cargo-edit: use buildRustPackage instead of Carnix

Saving 3000 lines of Nix code.

2 files changed, 19 insertions, 3170 deletions

diff --git a/pkgs/tools/package-management/cargo-edit/Cargo.nix b/pkgs/tools/package-management/cargo-edit/Cargo.nix
deleted file mode 100644
index fa6cfaab387..00000000000
--- a/pkgs/tools/package-management/cargo-edit/Cargo.nix
+++ /dev/null
@@ -1,3148 +0,0 @@
-# Generated by carnix 0.7.2: carnix nix
-{ lib, buildPlatform, buildRustCrate, fetchgit }:
-let kernel = buildPlatform.parsed.kernel.name;
-    abi = buildPlatform.parsed.abi.name;
-    include = includedFiles: src: builtins.filterSource (path: type:
-      lib.lists.any (f:
-        let p = toString (src + ("/" + f)); in
-        (path == p) || (type == "directory" && lib.strings.hasPrefix path p)
-      ) includedFiles
-    ) src;
-    updateFeatures = f: up: functions: builtins.deepSeq f (lib.lists.foldl' (features: fun: fun features) (lib.attrsets.recursiveUpdate f up) functions);
-    mapFeatures = features: map (fun: fun { features = features; });
-    mkFeatures = feat: lib.lists.foldl (features: featureName:
-      if feat.${featureName} or false then
-        [ featureName ] ++ features
-      else
-        features
-    ) [] (builtins.attrNames feat);
-in
-rec {
-  cargo_edit = f: cargo_edit_0_3_0 { features = cargo_edit_0_3_0_features { cargo_edit_0_3_0 = f; }; };
-  __all = [ (cargo_edit {}) ];
-  adler32_1_0_3_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "adler32";
-    version = "1.0.3";
-    authors = [ "Remi Rampin <remirampin@gmail.com>" ];
-    sha256 = "1z3mvjgw02mbqk98kizzibrca01d5wfkpazsrp3vkkv3i56pn6fb";
-    inherit dependencies buildDependencies features;
-  };
-  aho_corasick_0_6_6_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "aho-corasick";
-    version = "0.6.6";
-    authors = [ "Andrew Gallant <jamslam@gmail.com>" ];
-    sha256 = "0ap5lv1q6ylmzq70bjgg66dsa6p9926gwv2q4z0chfjnii8hczq8";
-    libName = "aho_corasick";
-    crateBin = [ {  name = "aho-corasick-dot";  path = "src/main.rs"; } ];
-    inherit dependencies buildDependencies features;
-  };
-  ansi_term_0_11_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "ansi_term";
-    version = "0.11.0";
-    authors = [ "ogham@bsago.me" "Ryan Scheel (Havvy) <ryan.havvy@gmail.com>" "Josh Triplett <josh@joshtriplett.org>" ];
-    sha256 = "08fk0p2xvkqpmz3zlrwnf6l8sj2vngw464rvzspzp31sbgxbwm4v";
-    inherit dependencies buildDependencies features;
-  };
-  arrayvec_0_4_7_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "arrayvec";
-    version = "0.4.7";
-    authors = [ "bluss" ];
-    sha256 = "0fzgv7z1x1qnyd7j32vdcadk4k9wfx897y06mr3bw1yi52iqf4z4";
-    inherit dependencies buildDependencies features;
-  };
-  ascii_0_7_1_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "ascii";
-    version = "0.7.1";
-    authors = [ "Thomas Bahn <thomas@thomas-bahn.net>" "Torbjørn Birch Moltu <t.b.moltu@lyse.net>" "Simon Sapin <simon.sapin@exyr.org>" ];
-    sha256 = "0fy9rh316vcc4v0k8d1p2gi3a3wpiwj5bm2mw0yqzs8xvz6yd1ax";
-    inherit dependencies buildDependencies features;
-  };
-  assert_cli_0_6_3_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "assert_cli";
-    version = "0.6.3";
-    authors = [ "Pascal Hertleif <killercup@gmail.com>" "Ed Page <eopage@gmail.com>" ];
-    sha256 = "1yx4phpiqvs83gin33hnqcl30dsp3imzvfbahmp4qqpmpp5hzgcv";
-    crateBin = [ {  name = "assert_fixture"; } ];
-    inherit dependencies buildDependencies features;
-  };
-  atty_0_2_11_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "atty";
-    version = "0.2.11";
-    authors = [ "softprops <d.tangren@gmail.com>" ];
-    sha256 = "0by1bj2km9jxi4i4g76zzi76fc2rcm9934jpnyrqd95zw344pb20";
-    inherit dependencies buildDependencies features;
-  };
-  backtrace_0_3_9_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "backtrace";
-    version = "0.3.9";
-    authors = [ "Alex Crichton <alex@alexcrichton.com>" "The Rust Project Developers" ];
-    sha256 = "137pjkcn89b7fqk78w65ggj92pynmf1hkr1sjz53aga4b50lkmwm";
-    inherit dependencies buildDependencies features;
-  };
-  backtrace_sys_0_1_23_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "backtrace-sys";
-    version = "0.1.23";
-    authors = [ "Alex Crichton <alex@alexcrichton.com>" ];
-    sha256 = "0sx7h7bl5j5dj4hlk7bcf8fwbhrxrvq2hfpy70vw2140gnlrl9dw";
-    build = "build.rs";
-    inherit dependencies buildDependencies features;
-  };
-  base64_0_9_2_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "base64";
-    version = "0.9.2";
-    authors = [ "Alice Maz <alice@alicemaz.com>" "Marshall Pierce <marshall@mpierce.org>" ];
-    sha256 = "0g4xxl8jhwjhvr69qlxdmbzd521xcn5j67lhkr20nh7ajvl6k0l1";
-    inherit dependencies buildDependencies features;
-  };
-  bitflags_0_9_1_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "bitflags";
-    version = "0.9.1";
-    authors = [ "The Rust Project Developers" ];
-    sha256 = "18h073l5jd88rx4qdr95fjddr9rk79pb1aqnshzdnw16cfmb9rws";
-    inherit dependencies buildDependencies features;
-  };
-  bitflags_1_0_3_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "bitflags";
-    version = "1.0.3";
-    authors = [ "The Rust Project Developers" ];
-    sha256 = "162p4w4h1ad76awq6b5yivmls3d50m9cl27d8g588lsps6g8s5rw";
-    inherit dependencies buildDependencies features;
-  };
-  build_const_0_2_1_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "build_const";
-    version = "0.2.1";
-    authors = [ "Garrett Berg <vitiral@gmail.com>" ];
-    sha256 = "15249xzi3qlm72p4glxgavwyq70fx2sp4df6ii0sdlrixrrp77pl";
-    inherit dependencies buildDependencies features;
-  };
-  byteorder_1_2_4_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "byteorder";
-    version = "1.2.4";
-    authors = [ "Andrew Gallant <jamslam@gmail.com>" ];
-    sha256 = "095xbm5bi23fkbfb97kg81x02dymfmd2kp5nl93rvw6dar2kpwyw";
-    inherit dependencies buildDependencies features;
-  };
-  bytes_0_4_9_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "bytes";
-    version = "0.4.9";
-    authors = [ "Carl Lerche <me@carllerche.com>" ];
-    sha256 = "1jiqc94j85la9vs165vqpf6s1sah8n3ivnhsfapcjrvbhjawi6i6";
-    inherit dependencies buildDependencies features;
-  };
-  cargo_edit_0_3_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "cargo-edit";
-    version = "0.3.0";
-    authors = [ "Without Boats <lee@libertad.ucsd.edu>" "Pascal Hertleif <killercup@gmail.com>" "Sebastian Garrido <sebasgarcep@gmail.com>" "Jonas Platte <mail@jonasplatte.de>" "Benjamin Gill <git@bgill.eu>" "Andronik Ordian <write@reusable.software>" ];
-    sha256 = "1zyf52x82slh27s6bzc6pmmbgp7cfr1xpmsp7i3zy0nd1p4gd13f";
-    crateBin = [ {  name = "cargo-add";  path = "src/bin/add/main.rs"; } {  name = "cargo-rm";  path = "src/bin/rm/main.rs"; } {  name = "cargo-upgrade";  path = "src/bin/upgrade/main.rs"; } ];
-    inherit dependencies buildDependencies features;
-  };
-  cargo_metadata_0_5_8_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "cargo_metadata";
-    version = "0.5.8";
-    authors = [ "Oliver Schneider <git-spam-no-reply9815368754983@oli-obk.de>" ];
-    sha256 = "0vkkvpxmspkx80iq6vlrh8972g1b9f8qb92qy75daz43x16qnbd2";
-    inherit dependencies buildDependencies features;
-  };
-  cc_1_0_18_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "cc";
-    version = "1.0.18";
-    authors = [ "Alex Crichton <alex@alexcrichton.com>" ];
-    sha256 = "0wcnpa54qvm5921wwrrkn8cwxd5y0p5f4gb1qgyh5imii7rdhpjx";
-    inherit dependencies buildDependencies features;
-  };
-  cfg_if_0_1_4_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "cfg-if";
-    version = "0.1.4";
-    authors = [ "Alex Crichton <alex@alexcrichton.com>" ];
-    sha256 = "0n5baxk53dvqjymzwynq55wb805b24390qx1n16zi8fjzq90j7k4";
-    inherit dependencies buildDependencies features;
-  };
-  chrono_0_4_5_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "chrono";
-    version = "0.4.5";
-    authors = [ "Kang Seonghoon <public+rust@mearie.org>" "Brandon W Maister <quodlibetor@gmail.com>" ];
-    sha256 = "0v3gpbkaxjsskil0si321bak9p0k1sfz43cx9p50kvx0s5p3x0yr";
-    inherit dependencies buildDependencies features;
-  };
-  colored_1_6_1_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "colored";
-    version = "1.6.1";
-    authors = [ "Thomas Wickham <mackwic@gmail.com>" ];
-    sha256 = "0n3ja64sdiafp751nyq97c8rvrn8xqw036461i7q4n47yiqxn8rw";
-    inherit dependencies buildDependencies features;
-  };
-  combine_3_3_6_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "combine";
-    version = "3.3.6";
-    authors = [ "Markus Westerlind <marwes91@gmail.com>" ];
-    sha256 = "1wzxpn0ipz1n7d9ygcc8rh9a59lk4mh2jq5asxa7cgqgdzbhicys";
-    libPath = "src/lib.rs";
-    inherit dependencies buildDependencies features;
-  };
-  core_foundation_0_2_3_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "core-foundation";
-    version = "0.2.3";
-    authors = [ "The Servo Project Developers" ];
-    sha256 = "1g0vpya5h2wa0nlz4a74jar6y8z09f0p76zbzfqrm3dbfsrld1pm";
-    inherit dependencies buildDependencies features;
-  };
-  core_foundation_sys_0_2_3_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "core-foundation-sys";
-    version = "0.2.3";
-    authors = [ "The Servo Project Developers" ];
-    sha256 = "19s0d03294m9s5j8cvy345db3gkhs2y02j5268ap0c6ky5apl53s";
-    build = "build.rs";
-    inherit dependencies buildDependencies features;
-  };
-  crc_1_8_1_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "crc";
-    version = "1.8.1";
-    authors = [ "Rui Hu <code@mrhooray.com>" ];
-    sha256 = "00m9jjqrddp3bqyanvyxv0hf6s56bx1wy51vcdcxg4n2jdhg109s";
-    inherit dependencies buildDependencies features;
-  };
-  crossbeam_deque_0_3_1_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "crossbeam-deque";
-    version = "0.3.1";
-    authors = [ "The Crossbeam Project Developers" ];
-    sha256 = "1km0mavyp9ddwb7k7kcdmyryi3bwxf0nmr6jqcpyjzvzmxjlkqap";
-    inherit dependencies buildDependencies features;
-  };
-  crossbeam_epoch_0_4_3_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "crossbeam-epoch";
-    version = "0.4.3";
-    authors = [ "The Crossbeam Project Developers" ];
-    sha256 = "18xfgi7h9aq4lqqrqzy366xg885z1hlkbhvycl2i3zhkhkvadhv3";
-    inherit dependencies buildDependencies features;
-  };
-  crossbeam_utils_0_3_2_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "crossbeam-utils";
-    version = "0.3.2";
-    authors = [ "The Crossbeam Project Developers" ];
-    sha256 = "1byx31nkxl48la58571h40ssk94faky26jwz15w40v2gba3v4fql";
-    inherit dependencies buildDependencies features;
-  };
-  difference_2_0_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "difference";
-    version = "2.0.0";
-    authors = [ "Johann Hofmann <mail@johann-hofmann.com>" ];
-    sha256 = "1rk24wxxkhhw8drhda229dfy2nb64vvcz0ras6lq7va6wswlrc49";
-    crateBin = [ {  name = "difference"; } ];
-    inherit dependencies buildDependencies features;
-  };
-  docopt_1_0_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "docopt";
-    version = "1.0.0";
-    authors = [ "Andrew Gallant <jamslam@gmail.com>" ];
-    sha256 = "009xdzqzyrx0yq390vbjbr6m9s8pyazq5r6gf7bchygy9r4p40hr";
-    crateBin = [ {  name = "docopt-wordlist";  path = "src/wordlist.rs"; } ];
-    inherit dependencies buildDependencies features;
-  };
-  dtoa_0_4_3_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "dtoa";
-    version = "0.4.3";
-    authors = [ "David Tolnay <dtolnay@gmail.com>" ];
-    sha256 = "1xysdxdm24sk5ysim7lps4r2qaxfnj0sbakhmps4d42yssx30cw8";
-    inherit dependencies buildDependencies features;
-  };
-  either_1_5_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "either";
-    version = "1.5.0";
-    authors = [ "bluss" ];
-    sha256 = "1f7kl2ln01y02m8fpd2zrdjiwqmgfvl9nxxrfry3k19d1gd2bsvz";
-    inherit dependencies buildDependencies features;
-  };
-  encoding_rs_0_7_2_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "encoding_rs";
-    version = "0.7.2";
-    authors = [ "Henri Sivonen <hsivonen@hsivonen.fi>" ];
-    sha256 = "1c23bi3q4qmi2ci8g7p5j4b4i5abyggvyg6hkl7w4p4r527c9g3q";
-    inherit dependencies buildDependencies features;
-  };
-  env_proxy_0_2_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "env_proxy";
-    version = "0.2.0";
-    authors = [ "Ivan Nejgebauer <inejge@gmail.com>" ];
-    sha256 = "178vn5agzxbq6a7pgpkvaf74ilsqk8d010r4qbbf88l9cs2g8qz2";
-    inherit dependencies buildDependencies features;
-  };
-  environment_0_1_1_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "environment";
-    version = "0.1.1";
-    authors = [ "Freyskeyd <simon.paitrault@gmail.com>" ];
-    sha256 = "1dx1xi9851lvigfic05j9r2d5rf71v9b4bg2mh7jj6z6qccfq8nb";
-    inherit dependencies buildDependencies features;
-  };
-  error_chain_0_11_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "error-chain";
-    version = "0.11.0";
-    authors = [ "Brian Anderson <banderson@mozilla.com>" "Paul Colomiets <paul@colomiets.name>" "Colin Kiegel <kiegel@gmx.de>" "Yamakaky <yamakaky@yamaworld.fr>" ];
-    sha256 = "19nz17q6dzp0mx2jhh9qbj45gkvvgcl7zq9z2ai5a8ihbisfj6d7";
-    inherit dependencies buildDependencies features;
-  };
-  failure_0_1_1_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "failure";
-    version = "0.1.1";
-    authors = [ "Without Boats <boats@mozilla.com>" ];
-    sha256 = "0gf9cmkm9kc163sszgjksqp5pcgj689lnf2104nn4h4is18nhigk";
-    inherit dependencies buildDependencies features;
-  };
-  failure_derive_0_1_1_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "failure_derive";
-    version = "0.1.1";
-    authors = [ "Without Boats <woboats@gmail.com>" ];
-    sha256 = "1w895q4pbyx3rwnhgjwfcayk9ghbi166wc1c3553qh8zkbz52k8i";
-    procMacro = true;
-    inherit dependencies buildDependencies features;
-  };
-  foreign_types_0_3_2_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "foreign-types";
-    version = "0.3.2";
-    authors = [ "Steven Fackler <sfackler@gmail.com>" ];
-    sha256 = "105n8sp2djb1s5lzrw04p7ss3dchr5qa3canmynx396nh3vwm2p8";
-    inherit dependencies buildDependencies features;
-  };
-  foreign_types_shared_0_1_1_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "foreign-types-shared";
-    version = "0.1.1";
-    authors = [ "Steven Fackler <sfackler@gmail.com>" ];
-    sha256 = "0b6cnvqbflws8dxywk4589vgbz80049lz4x1g9dfy4s1ppd3g4z5";
-    inherit dependencies buildDependencies features;
-  };
-  fuchsia_zircon_0_3_3_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "fuchsia-zircon";
-    version = "0.3.3";
-    authors = [ "Raph Levien <raph@google.com>" ];
-    sha256 = "0jrf4shb1699r4la8z358vri8318w4mdi6qzfqy30p2ymjlca4gk";
-    inherit dependencies buildDependencies features;
-  };
-  fuchsia_zircon_sys_0_3_3_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "fuchsia-zircon-sys";
-    version = "0.3.3";
-    authors = [ "Raph Levien <raph@google.com>" ];
-    sha256 = "08jp1zxrm9jbrr6l26bjal4dbm8bxfy57ickdgibsqxr1n9j3hf5";
-    inherit dependencies buildDependencies features;
-  };
-  futures_0_1_23_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "futures";
-    version = "0.1.23";
-    authors = [ "Alex Crichton <alex@alexcrichton.com>" ];
-    sha256 = "075s7sv1iqzf2r3lvb4hk81k5c9xzfcyb8q92h2s35fnypxyqd21";
-    inherit dependencies buildDependencies features;
-  };
-  futures_cpupool_0_1_8_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "futures-cpupool";
-    version = "0.1.8";
-    authors = [ "Alex Crichton <alex@alexcrichton.com>" ];
-    sha256 = "0ficd31n5ljiixy6x0vjglhq4fp0v1p4qzxm3v6ymsrb3z080l5c";
-    inherit dependencies buildDependencies features;
-  };
-  httparse_1_3_2_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "httparse";
-    version = "1.3.2";
-    authors = [ "Sean McArthur <sean@seanmonstar.com>" ];
-    sha256 = "1mm10m2hv1inxzzvm85s6fdmwl9a3q9vik0nzh5qrx2hx5x8fcwl";
-    build = "build.rs";
-    inherit dependencies buildDependencies features;
-  };
-  hyper_0_11_27_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "hyper";
-    version = "0.11.27";
-    authors = [ "Sean McArthur <sean@seanmonstar.com>" ];
-    sha256 = "0q5as4lhvh31bzk4qm7j84snrmxyxyaqk040rfk72b42dn98mryi";
-    inherit dependencies buildDependencies features;
-  };
-  hyper_tls_0_1_4_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "hyper-tls";
-    version = "0.1.4";
-    authors = [ "Sean McArthur <sean.monstar@gmail.com>" ];
-    sha256 = "1242mxvkgkm936fcsfcmmwwb5blclf0xld4d6gqzbvhlfc9yhnl8";
-    inherit dependencies buildDependencies features;
-  };
-  idna_0_1_5_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "idna";
-    version = "0.1.5";
-    authors = [ "The rust-url developers" ];
-    sha256 = "1gwgl19rz5vzi67rrhamczhxy050f5ynx4ybabfapyalv7z1qmjy";
-    inherit dependencies buildDependencies features;
-  };
-  iovec_0_1_2_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "iovec";
-    version = "0.1.2";
-    authors = [ "Carl Lerche <me@carllerche.com>" ];
-    sha256 = "0vjymmb7wj4v4kza5jjn48fcdb85j3k37y7msjl3ifz0p9yiyp2r";
-    inherit dependencies buildDependencies features;
-  };
-  itoa_0_4_2_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "itoa";
-    version = "0.4.2";
-    authors = [ "David Tolnay <dtolnay@gmail.com>" ];
-    sha256 = "193a744yd74rmk13hl8xvd9p2hqhdkyf8xkvi1mxm5s10bby0h8v";
-    inherit dependencies buildDependencies features;
-  };
-  kernel32_sys_0_2_2_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "kernel32-sys";
-    version = "0.2.2";
-    authors = [ "Peter Atashian <retep998@gmail.com>" ];
-    sha256 = "1lrw1hbinyvr6cp28g60z97w32w8vsk6pahk64pmrv2fmby8srfj";
-    libName = "kernel32";
-    build = "build.rs";
-    inherit dependencies buildDependencies features;
-  };
-  language_tags_0_2_2_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "language-tags";
-    version = "0.2.2";
-    authors = [ "Pyfisch <pyfisch@gmail.com>" ];
-    sha256 = "1zkrdzsqzzc7509kd7nngdwrp461glm2g09kqpzaqksp82frjdvy";
-    inherit dependencies buildDependencies features;
-  };
-  lazy_static_0_2_11_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "lazy_static";
-    version = "0.2.11";
-    authors = [ "Marvin Löbel <loebel.marvin@gmail.com>" ];
-    sha256 = "1x6871cvpy5b96yv4c7jvpq316fp5d4609s9py7qk6cd6x9k34vm";
-    inherit dependencies buildDependencies features;
-  };
-  lazy_static_1_0_2_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "lazy_static";
-    version = "1.0.2";
-    authors = [ "Marvin Löbel <loebel.marvin@gmail.com>" ];
-    sha256 = "0ix4dmy6zb4v3m75l4alg84fk06y145z52z9pyysc9labw2x5r3r";
-    inherit dependencies buildDependencies features;
-  };
-  lazycell_0_6_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "lazycell";
-    version = "0.6.0";
-    authors = [ "Alex Crichton <alex@alexcrichton.com>" "Nikita Pekin <contact@nikitapek.in>" ];
-    sha256 = "1ax148clinbvp6alxcih8s5i2bg3mc5mi69n3hvzvzbwlm6k532r";
-    inherit dependencies buildDependencies features;
-  };
-  libc_0_2_42_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "libc";
-    version = "0.2.42";
-    authors = [ "The Rust Project Developers" ];
-    sha256 = "064v49hz1zpl081w8c4vwikrkhaxp06y4i9l7x7wx6bjpwp19pjx";
-    inherit dependencies buildDependencies features;
-  };
-  libflate_0_1_16_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "libflate";
-    version = "0.1.16";
-    authors = [ "Takeru Ohta <phjgt308@gmail.com>" ];
-    sha256 = "0l15g61h10bznxsjirwq9c43w17mjpqx6wz0357agskardkdh14n";
-    inherit dependencies buildDependencies features;
-  };
-  linked_hash_map_0_5_1_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "linked-hash-map";
-    version = "0.5.1";
-    authors = [ "Stepan Koltsov <stepan.koltsov@gmail.com>" "Andrew Paseltiner <apaseltiner@gmail.com>" ];
-    sha256 = "1f29c7j53z7w5v0g115yii9dmmbsahr93ak375g48vi75v3p4030";
-    inherit dependencies buildDependencies features;
-  };
-  log_0_3_9_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "log";
-    version = "0.3.9";
-    authors = [ "The Rust Project Developers" ];
-    sha256 = "19i9pwp7lhaqgzangcpw00kc3zsgcqcx84crv07xgz3v7d3kvfa2";
-    inherit dependencies buildDependencies features;
-  };
-  log_0_4_3_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "log";
-    version = "0.4.3";
-    authors = [ "The Rust Project Developers" ];
-    sha256 = "1gdmwrbm7s18zcdz4lcdhz975m4gwhi854c7j1rvj1gsr8aca250";
-    inherit dependencies buildDependencies features;
-  };
-  matches_0_1_7_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "matches";
-    version = "0.1.7";
-    authors = [ "Simon Sapin <simon.sapin@exyr.org>" ];
-    sha256 = "0zx9gi5flyzkh9nx52fyc3k2zz08b9ww1c4yndlfrw72kr8m7yfy";
-    libPath = "lib.rs";
-    inherit dependencies buildDependencies features;
-  };
-  memchr_2_0_1_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "memchr";
-    version = "2.0.1";
-    authors = [ "Andrew Gallant <jamslam@gmail.com>" "bluss" ];
-    sha256 = "0ls2y47rjwapjdax6bp974gdp06ggm1v8d1h69wyydmh1nhgm5gr";
-    inherit dependencies buildDependencies features;
-  };
-  memoffset_0_2_1_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "memoffset";
-    version = "0.2.1";
-    authors = [ "Gilad Naaman <gilad.naaman@gmail.com>" ];
-    sha256 = "00vym01jk9slibq2nsiilgffp7n6k52a4q3n4dqp0xf5kzxvffcf";
-    inherit dependencies buildDependencies features;
-  };
-  mime_0_3_8_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "mime";
-    version = "0.3.8";
-    authors = [ "Sean McArthur <sean@seanmonstar.com>" ];
-    sha256 = "1577adg9zvkd1qdb2nqqg1ryap33p5r4qsw01n9pw162xpisqjm3";
-    inherit dependencies buildDependencies features;
-  };
-  mime_guess_2_0_0_alpha_6_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "mime_guess";
-    version = "2.0.0-alpha.6";
-    authors = [ "Austin Bonander <austin.bonander@gmail.com>" ];
-    sha256 = "1k2mdq43gi2qr63b7m5zs624rfi40ysk33cay49jlhq97jwnk9db";
-    inherit dependencies buildDependencies features;
-  };
-  mio_0_6_15_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "mio";
-    version = "0.6.15";
-    authors = [ "Carl Lerche <me@carllerche.com>" ];
-    sha256 = "0a93wxsmkh8x38wxivhn6qdj08pj9f0j3y46p4wv3xclbq8i4aaa";
-    inherit dependencies buildDependencies features;
-  };
-  miow_0_2_1_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "miow";
-    version = "0.2.1";
-    authors = [ "Alex Crichton <alex@alexcrichton.com>" ];
-    sha256 = "14f8zkc6ix7mkyis1vsqnim8m29b6l55abkba3p2yz7j1ibcvrl0";
-    inherit dependencies buildDependencies features;
-  };
-  native_tls_0_1_5_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "native-tls";
-    version = "0.1.5";
-    authors = [ "Steven Fackler <sfackler@gmail.com>" ];
-    sha256 = "11f75qmbny5pnn6zp0vlvadrvc9ph9qsxiyn4n6q02xyd93pxxlf";
-    inherit dependencies buildDependencies features;
-  };
-  net2_0_2_33_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "net2";
-    version = "0.2.33";
-    authors = [ "Alex Crichton <alex@alexcrichton.com>" ];
-    sha256 = "1qnmajafgybj5wyxz9iffa8x5wgbwd2znfklmhqj7vl6lw1m65mq";
-    inherit dependencies buildDependencies features;
-  };
-  nodrop_0_1_12_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "nodrop";
-    version = "0.1.12";
-    authors = [ "bluss" ];
-    sha256 = "1b9rxvdg8061gxjc239l9slndf0ds3m6fy2sf3gs8f9kknqgl49d";
-    inherit dependencies buildDependencies features;
-  };
-  num_integer_0_1_39_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "num-integer";
-    version = "0.1.39";
-    authors = [ "The Rust Project Developers" ];
-    sha256 = "1f42ls46cghs13qfzgbd7syib2zc6m7hlmv1qlar6c9mdxapvvbg";
-    build = "build.rs";
-    inherit dependencies buildDependencies features;
-  };
-  num_traits_0_2_5_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "num-traits";
-    version = "0.2.5";
-    authors = [ "The Rust Project Developers" ];
-    sha256 = "0ql203ca6lzppksy4fsfnpz3kq96vwlwvyn3ahvnd9g6k9f5ncj0";
-    build = "build.rs";
-    inherit dependencies buildDependencies features;
-  };
-  num_cpus_1_8_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "num_cpus";
-    version = "1.8.0";
-    authors = [ "Sean McArthur <sean@seanmonstar.com>" ];
-    sha256 = "1y6qnd9r8ga6y8mvlabdrr73nc8cshjjlzbvnanzyj9b8zzkfwk2";
-    inherit dependencies buildDependencies features;
-  };
-  openssl_0_9_24_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "openssl";
-    version = "0.9.24";
-    authors = [ "Steven Fackler <sfackler@gmail.com>" ];
-    sha256 = "0wzm3c11g3ndaqyzq36mcdcm1q4a8pmsyi33ibybhjz28g2z0f79";
-    build = "build.rs";
-    inherit dependencies buildDependencies features;
-  };
-  openssl_sys_0_9_33_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "openssl-sys";
-    version = "0.9.33";
-    authors = [ "Alex Crichton <alex@alexcrichton.com>" "Steven Fackler <sfackler@gmail.com>" ];
-    sha256 = "1q5f7ykkxgniwjrqifx1ssrqjzcf8fi4fzh770xrbyp8n6v14qr6";
-    build = "build/main.rs";
-    inherit dependencies buildDependencies features;
-  };
-  pad_0_1_5_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "pad";
-    version = "0.1.5";
-    authors = [ "Ben S <ogham@bsago.me>" ];
-    sha256 = "081qzwl58r1rn5b7m5pvy2xyfk4amm59f3i1gf95417s71gd4j53";
-    inherit dependencies buildDependencies features;
-  };
-  percent_encoding_1_0_1_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "percent-encoding";
-    version = "1.0.1";
-    authors = [ "The rust-url developers" ];
-    sha256 = "04ahrp7aw4ip7fmadb0bknybmkfav0kk0gw4ps3ydq5w6hr0ib5i";
-    libPath = "lib.rs";
-    inherit dependencies buildDependencies features;
-  };
-  phf_0_7_22_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "phf";
-    version = "0.7.22";
-    authors = [ "Steven Fackler <sfackler@gmail.com>" ];
-    sha256 = "0b58l863rhmqyqsfj2d89nmdzc21g9yvvvq1m4c3a615zpcykb3i";
-    libPath = "src/lib.rs";
-    inherit dependencies buildDependencies features;
-  };
-  phf_codegen_0_7_22_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "phf_codegen";
-    version = "0.7.22";
-    authors = [ "Steven Fackler <sfackler@gmail.com>" ];
-    sha256 = "0k8yx4gr9m6cfrvh21s6bhnh1azz13j4xih88bvm06r6blfl89fs";
-    inherit dependencies buildDependencies features;
-  };
-  phf_generator_0_7_22_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "phf_generator";
-    version = "0.7.22";
-    authors = [ "Steven Fackler <sfackler@gmail.com>" ];
-    sha256 = "093gla320qb6rbk8z7wqqxl79zrh874sa7sxir31q2p7mrw4b70k";
-    inherit dependencies buildDependencies features;
-  };
-  phf_shared_0_7_22_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "phf_shared";
-    version = "0.7.22";
-    authors = [ "Steven Fackler <sfackler@gmail.com>" ];
-    sha256 = "0ij9flicfi0ab5vpzdwbizpdyxhk891qxa8nxsqlv4sg4abqang6";
-    libPath = "src/lib.rs";
-    inherit dependencies buildDependencies features;
-  };
-  pkg_config_0_3_12_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "pkg-config";
-    version = "0.3.12";
-    authors = [ "Alex Crichton <alex@alexcrichton.com>" ];
-    sha256 = "0k343rlyv9qmplxwxn8clzkyx1zbplhnvm0psjl6s111fjqmgsgh";
-    inherit dependencies buildDependencies features;
-  };
-  pretty_assertions_0_5_1_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "pretty_assertions";
-    version = "0.5.1";
-    authors = [ "Colin Kiegel <kiegel@gmx.de>" "Florent Fayolle <florent.fayolle69@gmail.com>" ];
-    sha256 = "0vlfprmgch79bvnp02mr8ham8wld0yrx29nbx6sv1srf5djzplj1";
-    inherit dependencies buildDependencies features;
-  };
-  proc_macro2_0_4_9_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "proc-macro2";
-    version = "0.4.9";
-    authors = [ "Alex Crichton <alex@alexcrichton.com>" ];
-    sha256 = "1qmfx3z2xvsgwsqqkhri339i4spk5wkxf5y4j8sg47ggig2y00rh";
-    inherit dependencies buildDependencies features;
-  };
-  quote_0_3_15_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "quote";
-    version = "0.3.15";
-    authors = [ "David Tolnay <dtolnay@gmail.com>" ];
-    sha256 = "09il61jv4kd1360spaj46qwyl21fv1qz18fsv2jra8wdnlgl5jsg";
-    inherit dependencies buildDependencies features;
-  };
-  quote_0_6_4_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "quote";
-    version = "0.6.4";
-    authors = [ "David Tolnay <dtolnay@gmail.com>" ];
-    sha256 = "1x3sxi9vpn4sayj4lbi0wh483b4iphwfsfkkk2gj3z89sqw3wkwg";
-    inherit dependencies buildDependencies features;
-  };
-  rand_0_4_2_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "rand";
-    version = "0.4.2";
-    authors = [ "The Rust Project Developers" ];
-    sha256 = "0h8pkg23wb67i8904sm76iyr1jlmhklb85vbpz9c9191a24xzkfm";
-    inherit dependencies buildDependencies features;
-  };
-  redox_syscall_0_1_40_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "redox_syscall";
-    version = "0.1.40";
-    authors = [ "Jeremy Soller <jackpot51@gmail.com>" ];
-    sha256 = "132rnhrq49l3z7gjrwj2zfadgw6q0355s6a7id7x7c0d7sk72611";
-    libName = "syscall";
-    inherit dependencies buildDependencies features;
-  };
-  redox_termios_0_1_1_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "redox_termios";
-    version = "0.1.1";
-    authors = [ "Jeremy Soller <jackpot51@gmail.com>" ];
-    sha256 = "04s6yyzjca552hdaqlvqhp3vw0zqbc304md5czyd3axh56iry8wh";
-    libPath = "src/lib.rs";
-    inherit dependencies buildDependencies features;
-  };
-  regex_1_0_3_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "regex";
-    version = "1.0.3";
-    authors = [ "The Rust Project Developers" ];
-    sha256 = "0ksq2bc2g0xhrkpzzfr8l2vidw6c04mwgynwjbwcx7shfrwgw0lx";
-    inherit dependencies buildDependencies features;
-  };
-  regex_syntax_0_6_2_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "regex-syntax";
-    version = "0.6.2";
-    authors = [ "The Rust Project Developers" ];
-    sha256 = "109426mj7nhwr6szdzbcvn1a8g5zy52f9maqxjd9agm8wg87ylyw";
-    inherit dependencies buildDependencies features;
-  };
-  relay_0_1_1_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "relay";
-    version = "0.1.1";
-    authors = [ "Sean McArthur <sean@seanmonstar.com>" ];
-    sha256 = "16csfaslbmj25iaxs88p8wcfh2zfpkh9isg9adid0nxjxvknh07r";
-    inherit dependencies buildDependencies features;
-  };
-  remove_dir_all_0_5_1_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "remove_dir_all";
-    version = "0.5.1";
-    authors = [ "Aaronepower <theaaronepower@gmail.com>" ];
-    sha256 = "1chx3yvfbj46xjz4bzsvps208l46hfbcy0sm98gpiya454n4rrl7";
-    inherit dependencies buildDependencies features;
-  };
-  reqwest_0_8_7_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "reqwest";
-    version = "0.8.7";
-    authors = [ "Sean McArthur <sean@seanmonstar.com>" ];
-    sha256 = "1wfc77jir16xcjcdjn988f8bpaldd0la1gf1piphfxydp8i7gr56";
-    inherit dependencies buildDependencies features;
-  };
-  rustc_demangle_0_1_9_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "rustc-demangle";
-    version = "0.1.9";
-    authors = [ "Alex Crichton <alex@alexcrichton.com>" ];
-    sha256 = "00ma4r9haq0zv5krps617mym6y74056pfcivyld0kpci156vfaax";
-    inherit dependencies buildDependencies features;
-  };
-  safemem_0_2_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "safemem";
-    version = "0.2.0";
-    authors = [ "Austin Bonander <austin.bonander@gmail.com>" ];
-    sha256 = "058m251q202n479ip1h6s91yw3plg66vsk5mpaflssn6rs5hijdm";
-    inherit dependencies buildDependencies features;
-  };
-  schannel_0_1_13_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "schannel";
-    version = "0.1.13";
-    authors = [ "Steven Fackler <sfackler@gmail.com>" "Steffen Butzer <steffen.butzer@outlook.com>" ];
-    sha256 = "033zavvq2k6z5akk38vzaglzbxzljaixgmhj9am27nr21dgaj6b3";
-    inherit dependencies buildDependencies features;
-  };
-  scoped_tls_0_1_2_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "scoped-tls";
-    version = "0.1.2";
-    authors = [ "Alex Crichton <alex@alexcrichton.com>" ];
-    sha256 = "0nblksgki698cqsclsnd6f1pq4yy34350dn2slaah9dlmx9z5xla";
-    inherit dependencies buildDependencies features;
-  };
-  scopeguard_0_3_3_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "scopeguard";
-    version = "0.3.3";
-    authors = [ "bluss" ];
-    sha256 = "0i1l013csrqzfz6c68pr5pi01hg5v5yahq8fsdmaxy6p8ygsjf3r";
-    inherit dependencies buildDependencies features;
-  };
-  security_framework_0_1_16_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "security-framework";
-    version = "0.1.16";
-    authors = [ "Steven Fackler <sfackler@gmail.com>" ];
-    sha256 = "1kxczsaj8gz4922jl5af2gkxh71rasb6khaf3dp7ldlnw9qf2sbm";
-    inherit dependencies buildDependencies features;
-  };
-  security_framework_sys_0_1_16_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "security-framework-sys";
-    version = "0.1.16";
-    authors = [ "Steven Fackler <sfackler@gmail.com>" ];
-    sha256 = "0ai2pivdr5fyc7czbkpcrwap0imyy0r8ndarrl3n5kiv0jha1js3";
-    build = "build.rs";
-    inherit dependencies buildDependencies features;
-  };
-  semver_0_9_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "semver";
-    version = "0.9.0";
-    authors = [ "Steve Klabnik <steve@steveklabnik.com>" "The Rust Project Developers" ];
-    sha256 = "0azak2lb2wc36s3x15az886kck7rpnksrw14lalm157rg9sc9z63";
-    inherit dependencies buildDependencies features;
-  };
-  semver_parser_0_7_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "semver-parser";
-    version = "0.7.0";
-    authors = [ "Steve Klabnik <steve@steveklabnik.com>" ];
-    sha256 = "1da66c8413yakx0y15k8c055yna5lyb6fr0fw9318kdwkrk5k12h";
-    inherit dependencies buildDependencies features;
-  };
-  serde_1_0_70_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "serde";
-    version = "1.0.70";
-    authors = [ "Erick Tryzelaar <erick.tryzelaar@gmail.com>" "David Tolnay <dtolnay@gmail.com>" ];
-    sha256 = "1z1gyjf5rrs1k3j1civfzqjqs790651bwf8m31bw2pagclhnazs4";
-    build = "build.rs";
-    inherit dependencies buildDependencies features;
-  };
-  serde_derive_1_0_75_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "serde_derive";
-    version = "1.0.75";
-    authors = [ "Erick Tryzelaar <erick.tryzelaar@gmail.com>" "David Tolnay <dtolnay@gmail.com>" ];
-    sha256 = "15v35aj079qg4dqhs8wjyinqifxgbkw8zf4sk44h43q3xha6znqy";
-    procMacro = true;
-    inherit dependencies buildDependencies features;
-  };
-  serde_json_1_0_24_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "serde_json";
-    version = "1.0.24";
-    authors = [ "Erick Tryzelaar <erick.tryzelaar@gmail.com>" "David Tolnay <dtolnay@gmail.com>" ];
-    sha256 = "1wvvc3y0202my2p00ah8ygl1794nspar9pf39fz1525jd6m6k8a1";
-    inherit dependencies buildDependencies features;
-  };
-  serde_urlencoded_0_5_2_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "serde_urlencoded";
-    version = "0.5.2";
-    authors = [ "Anthony Ramine <n.oxyde@gmail.com>" ];
-    sha256 = "0m5pigng0665qrk4ii1z84pb4lchbsswhgb863yglljskmm056m0";
-    inherit dependencies buildDependencies features;
-  };
-  siphasher_0_2_3_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "siphasher";
-    version = "0.2.3";
-    authors = [ "Frank Denis <github@pureftpd.org>" ];
-    sha256 = "1ganj1grxqnkvv4ds3vby039bm999jrr58nfq2x3kjhzkw2bnqkw";
-    inherit dependencies buildDependencies features;
-  };
-  slab_0_4_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "slab";
-    version = "0.4.0";
-    authors = [ "Carl Lerche <me@carllerche.com>" ];
-    sha256 = "1qy2vkgwqgj5z4ygdkh040n9yh1vz80v5flxb1xrvw3i4wxs7yx0";
-    inherit dependencies buildDependencies features;
-  };
-  strsim_0_7_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "strsim";
-    version = "0.7.0";
-    authors = [ "Danny Guo <dannyguo91@gmail.com>" ];
-    sha256 = "0fy0k5f2705z73mb3x9459bpcvrx4ky8jpr4zikcbiwan4bnm0iv";
-    inherit dependencies buildDependencies features;
-  };
-  syn_0_11_11_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "syn";
-    version = "0.11.11";
-    authors = [ "David Tolnay <dtolnay@gmail.com>" ];
-    sha256 = "0yw8ng7x1dn5a6ykg0ib49y7r9nhzgpiq2989rqdp7rdz3n85502";
-    inherit dependencies buildDependencies features;
-  };
-  syn_0_14_5_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "syn";
-    version = "0.14.5";
-    authors = [ "David Tolnay <dtolnay@gmail.com>" ];
-    sha256 = "0b3xx5aa1shaz2i8mrvc7pmrj5lq2n6gmxyv2h1d7637gdky9smg";
-    inherit dependencies buildDependencies features;
-  };
-  synom_0_11_3_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "synom";
-    version = "0.11.3";
-    authors = [ "David Tolnay <dtolnay@gmail.com>" ];
-    sha256 = "1l6d1s9qjfp6ng2s2z8219igvlv7gyk8gby97sdykqc1r93d8rhc";
-    inherit dependencies buildDependencies features;
-  };
-  synstructure_0_6_1_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "synstructure";
-    version = "0.6.1";
-    authors = [ "Michael Layzell <michael@thelayzells.com>" ];
-    sha256 = "1xnyw58va9zcqi4vvpnmpllacdj2a0mvy0cbd698izmr4qs92xlk";
-    inherit dependencies buildDependencies features;
-  };
-  tempdir_0_3_7_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "tempdir";
-    version = "0.3.7";
-    authors = [ "The Rust Project Developers" ];
-    sha256 = "0y53sxybyljrr7lh0x0ysrsa7p7cljmwv9v80acy3rc6n97g67vy";
-    inherit dependencies buildDependencies features;
-  };
-  termcolor_0_3_6_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "termcolor";
-    version = "0.3.6";
-    authors = [ "Andrew Gallant <jamslam@gmail.com>" ];
-    sha256 = "0w609sa1apl1kii67ln2g82r4rrycw45zgjq7mxxjrx1fa21v05z";
-    inherit dependencies buildDependencies features;
-  };
-  termion_1_5_1_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "termion";
-    version = "1.5.1";
-    authors = [ "ticki <Ticki@users.noreply.github.com>" "gycos <alexandre.bury@gmail.com>" "IGI-111 <igi-111@protonmail.com>" ];
-    sha256 = "02gq4vd8iws1f3gjrgrgpajsk2bk43nds5acbbb4s8dvrdvr8nf1";
-    inherit dependencies buildDependencies features;
-  };
-  thread_local_0_3_6_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "thread_local";
-    version = "0.3.6";
-    authors = [ "Amanieu d'Antras <amanieu@gmail.com>" ];
-    sha256 = "02rksdwjmz2pw9bmgbb4c0bgkbq5z6nvg510sq1s6y2j1gam0c7i";
-    inherit dependencies buildDependencies features;
-  };
-  time_0_1_40_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "time";
-    version = "0.1.40";
-    authors = [ "The Rust Project Developers" ];
-    sha256 = "0wgnbjamljz6bqxsd5axc4p2mmhkqfrryj4gf2yswjaxiw5dd01m";
-    inherit dependencies buildDependencies features;
-  };
-  tokio_0_1_7_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "tokio";
-    version = "0.1.7";
-    authors = [ "Carl Lerche <me@carllerche.com>" ];
-    sha256 = "0d5fj90wk05m5vbd924irg1pl1d4fn86jjw5napzanh6vbwsnr66";
-    inherit dependencies buildDependencies features;
-  };
-  tokio_codec_0_1_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "tokio-codec";
-    version = "0.1.0";
-    authors = [ "Carl Lerche <me@carllerche.com>" "Bryan Burgers <bryan@burgers.io>" ];
-    sha256 = "0347ygccbj05yn9krjk4ifcy5xbv41xk7yyi9cl2cnxrc285xnm7";
-    inherit dependencies buildDependencies features;
-  };
-  tokio_core_0_1_17_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "tokio-core";
-    version = "0.1.17";
-    authors = [ "Carl Lerche <me@carllerche.com>" ];
-    sha256 = "1j6c5q3aakvb1hjx4r95xwl5ms8rp19k4qsr6v6ngwbvr6f9z6rs";
-    inherit dependencies buildDependencies features;
-  };
-  tokio_executor_0_1_2_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "tokio-executor";
-    version = "0.1.2";
-    authors = [ "Carl Lerche <me@carllerche.com>" ];
-    sha256 = "1y4mwqjw438x6jskigz1knvfbpbinxfv6h43s60w6wdb80xmyg48";
-    inherit dependencies buildDependencies features;
-  };
-  tokio_fs_0_1_2_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "tokio-fs";
-    version = "0.1.2";
-    authors = [ "Carl Lerche <me@carllerche.com>" ];
-    sha256 = "18rxwslv2hdmij6alpqfcm8aywcd28vw12s826ajgvkskh8jsdh2";
-    inherit dependencies buildDependencies features;
-  };
-  tokio_io_0_1_7_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "tokio-io";
-    version = "0.1.7";
-    authors = [ "Carl Lerche <me@carllerche.com>" ];
-    sha256 = "08r46b5lp7929agwal1iaabdhfv309wyvd6cld1g39x5ml8x7hp2";
-    inherit dependencies buildDependencies features;
-  };
-  tokio_reactor_0_1_2_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "tokio-reactor";
-    version = "0.1.2";
-    authors = [ "Carl Lerche <me@carllerche.com>" ];
-    sha256 = "11yx7fvyv1c5h097lspfrim1r67axl8y8m22y5mgny8nhly56s4m";
-    inherit dependencies buildDependencies features;
-  };
-  tokio_service_0_1_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "tokio-service";
-    version = "0.1.0";
-    authors = [ "Carl Lerche <me@carllerche.com>" ];
-    sha256 = "0c85wm5qz9fabg0k6k763j89m43n6max72d3a8sxcs940id6qmih";
-    inherit dependencies buildDependencies features;
-  };
-  tokio_tcp_0_1_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "tokio-tcp";
-    version = "0.1.0";
-    authors = [ "Carl Lerche <me@carllerche.com>" ];
-    sha256 = "19cyajkqvvbn3qqnak0qzivdq6amfjymbc30k7bbqhx4y1pcgqvh";
-    inherit dependencies buildDependencies features;
-  };
-  tokio_threadpool_0_1_5_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "tokio-threadpool";
-    version = "0.1.5";
-    authors = [ "Carl Lerche <me@carllerche.com>" ];
-    sha256 = "04nzjdjlir33s0z5nh3vh2h4v3vb1rwzv45jdjridrk92rqpb2vc";
-    inherit dependencies buildDependencies features;
-  };
-  tokio_timer_0_2_4_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "tokio-timer";
-    version = "0.2.4";
-    authors = [ "Carl Lerche <me@carllerche.com>" ];
-    sha256 = "0imv1k4g583hh61qkh6mpx06ik9accyl4582vq0z61rr484050gi";
-    inherit dependencies buildDependencies features;
-  };
-  tokio_tls_0_1_4_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "tokio-tls";
-    version = "0.1.4";
-    authors = [ "Carl Lerche <me@carllerche.com>" "Alex Crichton <alex@alexcrichton.com>" ];
-    sha256 = "07rwv3q6jbg65ln1ahzb4g648l8lcn4hvc0ax3r12bnsi1py7agp";
-    inherit dependencies buildDependencies features;
-  };
-  tokio_udp_0_1_1_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "tokio-udp";
-    version = "0.1.1";
-    authors = [ "Carl Lerche <me@carllerche.com>" ];
-    sha256 = "1zsq3bny959dq7cnhdjrlaglrdcm63zn82jpkjs6nrrcfhb9l6z9";
-    inherit dependencies buildDependencies features;
-  };
-  toml_edit_0_1_3_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "toml_edit";
-    version = "0.1.3";
-    authors = [ "Andronik Ordian <write@reusable.software>" ];
-    sha256 = "0g5v5d141phzjk2crrgb0xcm65ysw76a01y75y597cmrg9ic6bjm";
-    inherit dependencies buildDependencies features;
-  };
-  try_lock_0_1_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "try-lock";
-    version = "0.1.0";
-    authors = [ "Sean McArthur <sean@seanmonstar.com>" ];
-    sha256 = "0kfrqrb2xkjig54s3qfy80dpldknr19p3rmp0n82yk5929j879k3";
-    inherit dependencies buildDependencies features;
-  };
-  ucd_util_0_1_1_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "ucd-util";
-    version = "0.1.1";
-    authors = [ "Andrew Gallant <jamslam@gmail.com>" ];
-    sha256 = "02a8h3siipx52b832xc8m8rwasj6nx9jpiwfldw8hp6k205hgkn0";
-    inherit dependencies buildDependencies features;
-  };
-  unicase_1_4_2_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "unicase";
-    version = "1.4.2";
-    authors = [ "Sean McArthur <sean.monstar@gmail.com>" ];
-    sha256 = "0rbnhw2mnhcwrij3vczp0sl8zdfmvf2dlh8hly81kj7132kfj0mf";
-    build = "build.rs";
-    inherit dependencies buildDependencies features;
-  };
-  unicase_2_1_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "unicase";
-    version = "2.1.0";
-    authors = [ "Sean McArthur <sean@seanmonstar.com>" ];
-    sha256 = "1zzn16hh8fdx5pnbbnl32q8m2mh4vpd1jm9pdcv969ik83dw4byp";
-    build = "build.rs";
-    inherit dependencies buildDependencies features;
-  };
-  unicode_bidi_0_3_4_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "unicode-bidi";
-    version = "0.3.4";
-    authors = [ "The Servo Project Developers" ];
-    sha256 = "0lcd6jasrf8p9p0q20qyf10c6xhvw40m2c4rr105hbk6zy26nj1q";
-    libName = "unicode_bidi";
-    inherit dependencies buildDependencies features;
-  };
-  unicode_normalization_0_1_7_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "unicode-normalization";
-    version = "0.1.7";
-    authors = [ "kwantam <kwantam@gmail.com>" ];
-    sha256 = "1da2hv800pd0wilmn4idwpgv5p510hjxizjcfv6xzb40xcsjd8gs";
-    inherit dependencies buildDependencies features;
-  };
-  unicode_width_0_1_5_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "unicode-width";
-    version = "0.1.5";
-    authors = [ "kwantam <kwantam@gmail.com>" ];
-    sha256 = "0886lc2aymwgy0lhavwn6s48ik3c61ykzzd3za6prgnw51j7bi4w";
-    inherit dependencies buildDependencies features;
-  };
-  unicode_xid_0_0_4_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "unicode-xid";
-    version = "0.0.4";
-    authors = [ "erick.tryzelaar <erick.tryzelaar@gmail.com>" "kwantam <kwantam@gmail.com>" ];
-    sha256 = "1dc8wkkcd3s6534s5aw4lbjn8m67flkkbnajp5bl8408wdg8rh9v";
-    inherit dependencies buildDependencies features;
-  };
-  unicode_xid_0_1_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "unicode-xid";
-    version = "0.1.0";
-    authors = [ "erick.tryzelaar <erick.tryzelaar@gmail.com>" "kwantam <kwantam@gmail.com>" ];
-    sha256 = "05wdmwlfzxhq3nhsxn6wx4q8dhxzzfb9szsz6wiw092m1rjj01zj";
-    inherit dependencies buildDependencies features;
-  };
-  unreachable_1_0_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "unreachable";
-    version = "1.0.0";
-    authors = [ "Jonathan Reem <jonathan.reem@gmail.com>" ];
-    sha256 = "1am8czbk5wwr25gbp2zr007744fxjshhdqjz9liz7wl4pnv3whcf";
-    inherit dependencies buildDependencies features;
-  };
-  url_1_7_1_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "url";
-    version = "1.7.1";
-    authors = [ "The rust-url developers" ];
-    sha256 = "1l36pbvlwdnh3zqz4wp5n6jg332wkis9pi2g3vy12xr8k4nfyk8i";
-    inherit dependencies buildDependencies features;
-  };
-  utf8_ranges_1_0_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "utf8-ranges";
-    version = "1.0.0";
-    authors = [ "Andrew Gallant <jamslam@gmail.com>" ];
-    sha256 = "0rzmqprwjv9yp1n0qqgahgm24872x6c0xddfym5pfndy7a36vkn0";
-    inherit dependencies buildDependencies features;
-  };
-  uuid_0_6_5_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "uuid";
-    version = "0.6.5";
-    authors = [ "Ashley Mannix<ashleymannix@live.com.au>" "Christopher Armstrong" "Dylan DPC<dylan.dpc@gmail.com>" "Hunar Roop Kahlon<hunar.roop@gmail.com>" ];
-    sha256 = "1jy15m4yxxwma0jsy070garhbgfprky23i77rawjkk75vqhnnhlf";
-    inherit dependencies buildDependencies features;
-  };
-  vcpkg_0_2_4_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "vcpkg";
-    version = "0.2.4";
-    authors = [ "Jim McGrath <jimmc2@gmail.com>" ];
-    sha256 = "0xgk5axv1qhj4rfn2rca7768wnvzihccnajkgc6im8ndsx371nml";
-    inherit dependencies buildDependencies features;
-  };
-  version_check_0_1_4_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "version_check";
-    version = "0.1.4";
-    authors = [ "Sergio Benitez <sb@sergio.bz>" ];
-    sha256 = "1ghi6bw2qsj53x2vyprs883dbrq8cjzmshlamjsxvmwd2zp13bck";
-    inherit dependencies buildDependencies features;
-  };
-  void_1_0_2_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "void";
-    version = "1.0.2";
-    authors = [ "Jonathan Reem <jonathan.reem@gmail.com>" ];
-    sha256 = "0h1dm0dx8dhf56a83k68mijyxigqhizpskwxfdrs1drwv2cdclv3";
-    inherit dependencies buildDependencies features;
-  };
-  want_0_0_4_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "want";
-    version = "0.0.4";
-    authors = [ "Sean McArthur <sean@seanmonstar.com>" ];
-    sha256 = "1l1qy4pvg5q71nrzfjldw9xzqhhgicj4slly1bal89hr2aaibpy0";
-    inherit dependencies buildDependencies features;
-  };
-  winapi_0_2_8_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "winapi";
-    version = "0.2.8";
-    authors = [ "Peter Atashian <retep998@gmail.com>" ];
-    sha256 = "0a45b58ywf12vb7gvj6h3j264nydynmzyqz8d8rqxsj6icqv82as";
-    inherit dependencies buildDependencies features;
-  };
-  winapi_0_3_5_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "winapi";
-    version = "0.3.5";
-    authors = [ "Peter Atashian <retep998@gmail.com>" ];
-    sha256 = "0cfdsxa5yf832r5i2z7dhdvnryyvhfp3nb32gpcaq502zgjdm3w6";
-    build = "build.rs";
-    inherit dependencies buildDependencies features;
-  };
-  winapi_build_0_1_1_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "winapi-build";
-    version = "0.1.1";
-    authors = [ "Peter Atashian <retep998@gmail.com>" ];
-    sha256 = "1lxlpi87rkhxcwp2ykf1ldw3p108hwm24nywf3jfrvmff4rjhqga";
-    libName = "build";
-    inherit dependencies buildDependencies features;
-  };
-  winapi_i686_pc_windows_gnu_0_4_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "winapi-i686-pc-windows-gnu";
-    version = "0.4.0";
-    authors = [ "Peter Atashian <retep998@gmail.com>" ];
-    sha256 = "05ihkij18r4gamjpxj4gra24514can762imjzlmak5wlzidplzrp";
-    build = "build.rs";
-    inherit dependencies buildDependencies features;
-  };
-  winapi_x86_64_pc_windows_gnu_0_4_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "winapi-x86_64-pc-windows-gnu";
-    version = "0.4.0";
-    authors = [ "Peter Atashian <retep998@gmail.com>" ];
-    sha256 = "0n1ylmlsb8yg1v583i4xy0qmqg42275flvbc51hdqjjfjcl9vlbj";
-    build = "build.rs";
-    inherit dependencies buildDependencies features;
-  };
-  wincolor_0_1_6_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "wincolor";
-    version = "0.1.6";
-    authors = [ "Andrew Gallant <jamslam@gmail.com>" ];
-    sha256 = "0f8m3l86pw6qi31jidqj78pgd15xj914850lyvsxkbln4f1drv47";
-    inherit dependencies buildDependencies features;
-  };
-  ws2_32_sys_0_2_1_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-    crateName = "ws2_32-sys";
-    version = "0.2.1";
-    authors = [ "Peter Atashian <retep998@gmail.com>" ];
-    sha256 = "1zpy9d9wk11sj17fczfngcj28w4xxjs3b4n036yzpy38dxp4f7kc";
-    libName = "ws2_32";
-    build = "build.rs";
-    inherit dependencies buildDependencies features;
-  };
-  adler32_1_0_3 = { features?(adler32_1_0_3_features {}) }: adler32_1_0_3_ {};
-  adler32_1_0_3_features = f: updateFeatures f (rec {
-    adler32_1_0_3.default = (f.adler32_1_0_3.default or true);
-  }) [];
-  aho_corasick_0_6_6 = { features?(aho_corasick_0_6_6_features {}) }: aho_corasick_0_6_6_ {
-    dependencies = mapFeatures features ([ memchr_2_0_1 ]);
-  };
-  aho_corasick_0_6_6_features = f: updateFeatures f (rec {
-    aho_corasick_0_6_6.default = (f.aho_corasick_0_6_6.default or true);
-    memchr_2_0_1.default = true;
-  }) [ memchr_2_0_1_features ];
-  ansi_term_0_11_0 = { features?(ansi_term_0_11_0_features {}) }: ansi_term_0_11_0_ {
-    dependencies = (if kernel == "windows" then mapFeatures features ([ winapi_0_3_5 ]) else []);
-  };
-  ansi_term_0_11_0_features = f: updateFeatures f (rec {
-    ansi_term_0_11_0.default = (f.ansi_term_0_11_0.default or true);
-    winapi_0_3_5.consoleapi = true;
-    winapi_0_3_5.default = true;
-    winapi_0_3_5.errhandlingapi = true;
-    winapi_0_3_5.processenv = true;
-  }) [ winapi_0_3_5_features ];
-  arrayvec_0_4_7 = { features?(arrayvec_0_4_7_features {}) }: arrayvec_0_4_7_ {
-    dependencies = mapFeatures features ([ nodrop_0_1_12 ]);
-    features = mkFeatures (features.arrayvec_0_4_7 or {});
-  };
-  arrayvec_0_4_7_features = f: updateFeatures f (rec {
-    arrayvec_0_4_7.default = (f.arrayvec_0_4_7.default or true);
-    arrayvec_0_4_7.serde =
-      (f.arrayvec_0_4_7.serde or false) ||
-      (f.arrayvec_0_4_7.serde-1 or false) ||
-      (arrayvec_0_4_7.serde-1 or false);
-    arrayvec_0_4_7.std =
-      (f.arrayvec_0_4_7.std or false) ||
-      (f.arrayvec_0_4_7.default or false) ||
-      (arrayvec_0_4_7.default or false);
-    nodrop_0_1_12.default = (f.nodrop_0_1_12.default or false);
-  }) [ nodrop_0_1_12_features ];
-  ascii_0_7_1 = { features?(ascii_0_7_1_features {}) }: ascii_0_7_1_ {
-    features = mkFeatures (features.ascii_0_7_1 or {});
-  };
-  ascii_0_7_1_features = f: updateFeatures f (rec {
-    ascii_0_7_1.default = (f.ascii_0_7_1.default or true);
-  }) [];
-  assert_cli_0_6_3 = { features?(assert_cli_0_6_3_features {}) }: assert_cli_0_6_3_ {
-    dependencies = mapFeatures features ([ colored_1_6_1 difference_2_0_0 environment_0_1_1 failure_0_1_1 failure_derive_0_1_1 serde_json_1_0_24 ]);
-  };
-  assert_cli_0_6_3_features = f: updateFeatures f (rec {
-    assert_cli_0_6_3.default = (f.assert_cli_0_6_3.default or true);
-    colored_1_6_1.default = true;
-    difference_2_0_0.default = true;
-    environment_0_1_1.default = true;
-    failure_0_1_1.default = true;
-    failure_derive_0_1_1.default = true;
-    serde_json_1_0_24.default = true;
-  }) [ colored_1_6_1_features difference_2_0_0_features environment_0_1_1_features failure_0_1_1_features failure_derive_0_1_1_features serde_json_1_0_24_features ];
-  atty_0_2_11 = { features?(atty_0_2_11_features {}) }: atty_0_2_11_ {
-    dependencies = (if kernel == "redox" then mapFeatures features ([ termion_1_5_1 ]) else [])
-      ++ (if (kernel == "linux" || kernel == "darwin") then mapFeatures features ([ libc_0_2_42 ]) else [])
-      ++ (if kernel == "windows" then mapFeatures features ([ winapi_0_3_5 ]) else []);
-  };
-  atty_0_2_11_features = f: updateFeatures f (rec {
-    atty_0_2_11.default = (f.atty_0_2_11.default or true);
-    libc_0_2_42.default = (f.libc_0_2_42.default or false);
-    termion_1_5_1.default = true;
-    winapi_0_3_5.consoleapi = true;
-    winapi_0_3_5.default = true;
-    winapi_0_3_5.minwinbase = true;
-    winapi_0_3_5.minwindef = true;
-    winapi_0_3_5.processenv = true;
-    winapi_0_3_5.winbase = true;
-  }) [ termion_1_5_1_features libc_0_2_42_features winapi_0_3_5_features ];
-  backtrace_0_3_9 = { features?(backtrace_0_3_9_features {}) }: backtrace_0_3_9_ {
-    dependencies = mapFeatures features ([ cfg_if_0_1_4 rustc_demangle_0_1_9 ])
-      ++ (if (kernel == "linux" || kernel == "darwin") && !(kernel == "fuchsia") && !(kernel == "emscripten") && !(kernel == "darwin") && !(kernel == "ios") then mapFeatures features ([ ]
-      ++ (if features.backtrace_0_3_9.backtrace-sys or false then [ backtrace_sys_0_1_23 ] else [])) else [])
-      ++ (if (kernel == "linux" || kernel == "darwin") then mapFeatures features ([ libc_0_2_42 ]) else [])
-      ++ (if kernel == "windows" then mapFeatures features ([ ]
-      ++ (if features.backtrace_0_3_9.winapi or false then [ winapi_0_3_5 ] else [])) else []);
-    features = mkFeatures (features.backtrace_0_3_9 or {});
-  };
-  backtrace_0_3_9_features = f: updateFeatures f (rec {
-    backtrace_0_3_9.addr2line =
-      (f.backtrace_0_3_9.addr2line or false) ||
-      (f.backtrace_0_3_9.gimli-symbolize or false) ||
-      (backtrace_0_3_9.gimli-symbolize or false);
-    backtrace_0_3_9.backtrace-sys =
-      (f.backtrace_0_3_9.backtrace-sys or false) ||
-      (f.backtrace_0_3_9.libbacktrace or false) ||
-      (backtrace_0_3_9.libbacktrace or false);
-    backtrace_0_3_9.coresymbolication =
-      (f.backtrace_0_3_9.coresymbolication or false) ||
-      (f.backtrace_0_3_9.default or false) ||
-      (backtrace_0_3_9.default or false);
-    backtrace_0_3_9.dbghelp =
-      (f.backtrace_0_3_9.dbghelp or false) ||
-      (f.backtrace_0_3_9.default or false) ||
-      (backtrace_0_3_9.default or false);
-    backtrace_0_3_9.default = (f.backtrace_0_3_9.default or true);
-    backtrace_0_3_9.dladdr =
-      (f.backtrace_0_3_9.dladdr or false) ||
-      (f.backtrace_0_3_9.default or false) ||
-      (backtrace_0_3_9.default or false);
-    backtrace_0_3_9.findshlibs =
-      (f.backtrace_0_3_9.findshlibs or false) ||
-      (f.backtrace_0_3_9.gimli-symbolize or false) ||
-      (backtrace_0_3_9.gimli-symbolize or false);
-    backtrace_0_3_9.gimli =
-      (f.backtrace_0_3_9.gimli or false) ||
-      (f.backtrace_0_3_9.gimli-symbolize or false) ||
-      (backtrace_0_3_9.gimli-symbolize or false);
-    backtrace_0_3_9.libbacktrace =
-      (f.backtrace_0_3_9.libbacktrace or false) ||
-      (f.backtrace_0_3_9.default or false) ||
-      (backtrace_0_3_9.default or false);
-    backtrace_0_3_9.libunwind =
-      (f.backtrace_0_3_9.libunwind or false) ||
-      (f.backtrace_0_3_9.default or false) ||
-      (backtrace_0_3_9.default or false);
-    backtrace_0_3_9.memmap =
-      (f.backtrace_0_3_9.memmap or false) ||
-      (f.backtrace_0_3_9.gimli-symbolize or false) ||
-      (backtrace_0_3_9.gimli-symbolize or false);
-    backtrace_0_3_9.object =
-      (f.backtrace_0_3_9.object or false) ||
-      (f.backtrace_0_3_9.gimli-symbolize or false) ||
-      (backtrace_0_3_9.gimli-symbolize or false);
-    backtrace_0_3_9.rustc-serialize =
-      (f.backtrace_0_3_9.rustc-serialize or false) ||
-      (f.backtrace_0_3_9.serialize-rustc or false) ||
-      (backtrace_0_3_9.serialize-rustc or false);
-    backtrace_0_3_9.serde =
-      (f.backtrace_0_3_9.serde or false) ||
-      (f.backtrace_0_3_9.serialize-serde or false) ||
-      (backtrace_0_3_9.serialize-serde or false);
-    backtrace_0_3_9.serde_derive =
-      (f.backtrace_0_3_9.serde_derive or false) ||
-      (f.backtrace_0_3_9.serialize-serde or false) ||
-      (backtrace_0_3_9.serialize-serde or false);
-    backtrace_0_3_9.winapi =
-      (f.backtrace_0_3_9.winapi or false) ||
-      (f.backtrace_0_3_9.dbghelp or false) ||
-      (backtrace_0_3_9.dbghelp or false);
-    backtrace_sys_0_1_23.default = true;
-    cfg_if_0_1_4.default = true;
-    libc_0_2_42.default = true;
-    rustc_demangle_0_1_9.default = true;
-    winapi_0_3_5.dbghelp = true;
-    winapi_0_3_5.default = true;
-    winapi_0_3_5.minwindef = true;
-    winapi_0_3_5.processthreadsapi = true;
-    winapi_0_3_5.std = true;
-    winapi_0_3_5.winnt = true;
-  }) [ cfg_if_0_1_4_features rustc_demangle_0_1_9_features backtrace_sys_0_1_23_features libc_0_2_42_features winapi_0_3_5_features ];
-  backtrace_sys_0_1_23 = { features?(backtrace_sys_0_1_23_features {}) }: backtrace_sys_0_1_23_ {
-    dependencies = mapFeatures features ([ libc_0_2_42 ]);
-    buildDependencies = mapFeatures features ([ cc_1_0_18 ]);
-  };
-  backtrace_sys_0_1_23_features = f: updateFeatures f (rec {
-    backtrace_sys_0_1_23.default = (f.backtrace_sys_0_1_23.default or true);
-    cc_1_0_18.default = true;
-    libc_0_2_42.default = true;
-  }) [ libc_0_2_42_features cc_1_0_18_features ];
-  base64_0_9_2 = { features?(base64_0_9_2_features {}) }: base64_0_9_2_ {
-    dependencies = mapFeatures features ([ byteorder_1_2_4 safemem_0_2_0 ]);
-  };
-  base64_0_9_2_features = f: updateFeatures f (rec {
-    base64_0_9_2.default = (f.base64_0_9_2.default or true);
-    byteorder_1_2_4.default = true;
-    safemem_0_2_0.default = true;
-  }) [ byteorder_1_2_4_features safemem_0_2_0_features ];
-  bitflags_0_9_1 = { features?(bitflags_0_9_1_features {}) }: bitflags_0_9_1_ {
-    features = mkFeatures (features.bitflags_0_9_1 or {});
-  };
-  bitflags_0_9_1_features = f: updateFeatures f (rec {
-    bitflags_0_9_1.default = (f.bitflags_0_9_1.default or true);
-    bitflags_0_9_1.example_generated =
-      (f.bitflags_0_9_1.example_generated or false) ||
-      (f.bitflags_0_9_1.default or false) ||
-      (bitflags_0_9_1.default or false);
-  }) [];
-  bitflags_1_0_3 = { features?(bitflags_1_0_3_features {}) }: bitflags_1_0_3_ {
-    features = mkFeatures (features.bitflags_1_0_3 or {});
-  };
-  bitflags_1_0_3_features = f: updateFeatures f (rec {
-    bitflags_1_0_3.default = (f.bitflags_1_0_3.default or true);
-  }) [];
-  build_const_0_2_1 = { features?(build_const_0_2_1_features {}) }: build_const_0_2_1_ {
-    features = mkFeatures (features.build_const_0_2_1 or {});
-  };
-  build_const_0_2_1_features = f: updateFeatures f (rec {
-    build_const_0_2_1.default = (f.build_const_0_2_1.default or true);
-    build_const_0_2_1.std =
-      (f.build_const_0_2_1.std or false) ||
-      (f.build_const_0_2_1.default or false) ||
-      (build_const_0_2_1.default or false);
-  }) [];
-  byteorder_1_2_4 = { features?(byteorder_1_2_4_features {}) }: byteorder_1_2_4_ {
-    features = mkFeatures (features.byteorder_1_2_4 or {});
-  };
-  byteorder_1_2_4_features = f: updateFeatures f (rec {
-    byteorder_1_2_4.default = (f.byteorder_1_2_4.default or true);
-    byteorder_1_2_4.std =
-      (f.byteorder_1_2_4.std or false) ||
-      (f.byteorder_1_2_4.default or false) ||
-      (byteorder_1_2_4.default or false);
-  }) [];
-  bytes_0_4_9 = { features?(bytes_0_4_9_features {}) }: bytes_0_4_9_ {
-    dependencies = mapFeatures features ([ byteorder_1_2_4 iovec_0_1_2 ]);
-    features = mkFeatures (features.bytes_0_4_9 or {});
-  };
-  bytes_0_4_9_features = f: updateFeatures f (rec {
-    byteorder_1_2_4.default = true;
-    byteorder_1_2_4.i128 =
-      (f.byteorder_1_2_4.i128 or false) ||
-      (bytes_0_4_9.i128 or false) ||
-      (f.bytes_0_4_9.i128 or false);
-    bytes_0_4_9.default = (f.bytes_0_4_9.default or true);
-    iovec_0_1_2.default = true;
-  }) [ byteorder_1_2_4_features iovec_0_1_2_features ];
-  cargo_edit_0_3_0 = { features?(cargo_edit_0_3_0_features {}) }: cargo_edit_0_3_0_ {
-    dependencies = mapFeatures features ([ atty_0_2_11 cargo_metadata_0_5_8 docopt_1_0_0 env_proxy_0_2_0 error_chain_0_11_0 pad_0_1_5 regex_1_0_3 reqwest_0_8_7 semver_0_9_0 serde_1_0_70 serde_derive_1_0_75 serde_json_1_0_24 termcolor_0_3_6 toml_edit_0_1_3 ]);
-    features = mkFeatures (features.cargo_edit_0_3_0 or {});
-  };
-  cargo_edit_0_3_0_features = f: updateFeatures f (rec {
-    atty_0_2_11.default = true;
-    cargo_edit_0_3_0.add =
-      (f.cargo_edit_0_3_0.add or false) ||
-      (f.cargo_edit_0_3_0.default or false) ||
-      (cargo_edit_0_3_0.default or false);
-    cargo_edit_0_3_0.default = (f.cargo_edit_0_3_0.default or true);
-    cargo_edit_0_3_0.rm =
-      (f.cargo_edit_0_3_0.rm or false) ||
-      (f.cargo_edit_0_3_0.default or false) ||
-      (cargo_edit_0_3_0.default or false);
-    cargo_edit_0_3_0.upgrade =
-      (f.cargo_edit_0_3_0.upgrade or false) ||
-      (f.cargo_edit_0_3_0.default or false) ||
-      (cargo_edit_0_3_0.default or false);
-    cargo_metadata_0_5_8.default = true;
-    docopt_1_0_0.default = true;
-    env_proxy_0_2_0.default = true;
-    error_chain_0_11_0.default = true;
-    pad_0_1_5.default = true;
-    regex_1_0_3.default = true;
-    reqwest_0_8_7.default = true;
-    semver_0_9_0.default = true;
-    semver_0_9_0.serde = true;
-    serde_1_0_70.default = true;
-    serde_derive_1_0_75.default = true;
-    serde_json_1_0_24.default = true;
-    termcolor_0_3_6.default = true;
-    toml_edit_0_1_3.default = true;
-  }) [ atty_0_2_11_features cargo_metadata_0_5_8_features docopt_1_0_0_features env_proxy_0_2_0_features error_chain_0_11_0_features pad_0_1_5_features regex_1_0_3_features reqwest_0_8_7_features semver_0_9_0_features serde_1_0_70_features serde_derive_1_0_75_features serde_json_1_0_24_features termcolor_0_3_6_features toml_edit_0_1_3_features ];
-  cargo_metadata_0_5_8 = { features?(cargo_metadata_0_5_8_features {}) }: cargo_metadata_0_5_8_ {
-    dependencies = mapFeatures features ([ error_chain_0_11_0 semver_0_9_0 serde_1_0_70 serde_derive_1_0_75 serde_json_1_0_24 ]);
-    features = mkFeatures (features.cargo_metadata_0_5_8 or {});
-  };
-  cargo_metadata_0_5_8_features = f: updateFeatures f (rec {
-    cargo_metadata_0_5_8.backtrace =
-      (f.cargo_metadata_0_5_8.backtrace or false) ||
-      (f.cargo_metadata_0_5_8.default or false) ||
-      (cargo_metadata_0_5_8.default or false);
-    cargo_metadata_0_5_8.default = (f.cargo_metadata_0_5_8.default or true);
-    error_chain_0_11_0.backtrace =
-      (f.error_chain_0_11_0.backtrace or false) ||
-      (cargo_metadata_0_5_8.backtrace or false) ||
-      (f.cargo_metadata_0_5_8.backtrace or false);
-    error_chain_0_11_0.default = (f.error_chain_0_11_0.default or false);
-    semver_0_9_0.default = true;
-    semver_0_9_0.serde = true;
-    serde_1_0_70.default = true;
-    serde_derive_1_0_75.default = true;
-    serde_json_1_0_24.default = true;
-  }) [ error_chain_0_11_0_features semver_0_9_0_features serde_1_0_70_features serde_derive_1_0_75_features serde_json_1_0_24_features ];
-  cc_1_0_18 = { features?(cc_1_0_18_features {}) }: cc_1_0_18_ {
-    dependencies = mapFeatures features ([]);
-    features = mkFeatures (features.cc_1_0_18 or {});
-  };
-  cc_1_0_18_features = f: updateFeatures f (rec {
-    cc_1_0_18.default = (f.cc_1_0_18.default or true);
-    cc_1_0_18.rayon =
-      (f.cc_1_0_18.rayon or false) ||
-      (f.cc_1_0_18.parallel or false) ||
-      (cc_1_0_18.parallel or false);
-  }) [];
-  cfg_if_0_1_4 = { features?(cfg_if_0_1_4_features {}) }: cfg_if_0_1_4_ {};
-  cfg_if_0_1_4_features = f: updateFeatures f (rec {
-    cfg_if_0_1_4.default = (f.cfg_if_0_1_4.default or true);
-  }) [];
-  chrono_0_4_5 = { features?(chrono_0_4_5_features {}) }: chrono_0_4_5_ {
-    dependencies = mapFeatures features ([ num_integer_0_1_39 num_traits_0_2_5 ]
-      ++ (if features.chrono_0_4_5.time or false then [ time_0_1_40 ] else []));
-    features = mkFeatures (features.chrono_0_4_5 or {});
-  };
-  chrono_0_4_5_features = f: updateFeatures f (rec {
-    chrono_0_4_5.clock =
-      (f.chrono_0_4_5.clock or false) ||
-      (f.chrono_0_4_5.default or false) ||
-      (chrono_0_4_5.default or false);
-    chrono_0_4_5.default = (f.chrono_0_4_5.default or true);
-    chrono_0_4_5.time =
-      (f.chrono_0_4_5.time or false) ||
-      (f.chrono_0_4_5.clock or false) ||
-      (chrono_0_4_5.clock or false);
-    num_integer_0_1_39.default = (f.num_integer_0_1_39.default or false);
-    num_traits_0_2_5.default = (f.num_traits_0_2_5.default or false);
-    time_0_1_40.default = true;
-  }) [ num_integer_0_1_39_features num_traits_0_2_5_features time_0_1_40_features ];
-  colored_1_6_1 = { features?(colored_1_6_1_features {}) }: colored_1_6_1_ {
-    dependencies = mapFeatures features ([ lazy_static_1_0_2 ]);
-    features = mkFeatures (features.colored_1_6_1 or {});
-  };
-  colored_1_6_1_features = f: updateFeatures f (rec {
-    colored_1_6_1.default = (f.colored_1_6_1.default or true);
-    lazy_static_1_0_2.default = true;
-  }) [ lazy_static_1_0_2_features ];
-  combine_3_3_6 = { features?(combine_3_3_6_features {}) }: combine_3_3_6_ {
-    dependencies = mapFeatures features ([ ascii_0_7_1 byteorder_1_2_4 either_1_5_0 memchr_2_0_1 unreachable_1_0_0 ]);
-    features = mkFeatures (features.combine_3_3_6 or {});
-  };
-  combine_3_3_6_features = f: updateFeatures f (rec {
-    ascii_0_7_1.default = true;
-    byteorder_1_2_4.default = true;
-    combine_3_3_6.default = (f.combine_3_3_6.default or true);
-    combine_3_3_6.regex =
-      (f.combine_3_3_6.regex or false) ||
-      (f.combine_3_3_6.doc or false) ||
-      (combine_3_3_6.doc or false);
-    combine_3_3_6.std =
-      (f.combine_3_3_6.std or false) ||
-      (f.combine_3_3_6.default or false) ||
-      (combine_3_3_6.default or false);
-    either_1_5_0.default = true;
-    memchr_2_0_1.default = (f.memchr_2_0_1.default or false);
-    memchr_2_0_1.use_std =
-      (f.memchr_2_0_1.use_std or false) ||
-      (combine_3_3_6.std or false) ||
-      (f.combine_3_3_6.std or false);
-    unreachable_1_0_0.default = true;
-  }) [ ascii_0_7_1_features byteorder_1_2_4_features either_1_5_0_features memchr_2_0_1_features unreachable_1_0_0_features ];
-  core_foundation_0_2_3 = { features?(core_foundation_0_2_3_features {}) }: core_foundation_0_2_3_ {
-    dependencies = mapFeatures features ([ core_foundation_sys_0_2_3 libc_0_2_42 ]);
-  };
-  core_foundation_0_2_3_features = f: updateFeatures f (rec {
-    core_foundation_0_2_3.default = (f.core_foundation_0_2_3.default or true);
-    core_foundation_sys_0_2_3.default = true;
-    libc_0_2_42.default = true;
-  }) [ core_foundation_sys_0_2_3_features libc_0_2_42_features ];
-  core_foundation_sys_0_2_3 = { features?(core_foundation_sys_0_2_3_features {}) }: core_foundation_sys_0_2_3_ {
-    dependencies = mapFeatures features ([ libc_0_2_42 ]);
-  };
-  core_foundation_sys_0_2_3_features = f: updateFeatures f (rec {
-    core_foundation_sys_0_2_3.default = (f.core_foundation_sys_0_2_3.default or true);
-    libc_0_2_42.default = true;
-  }) [ libc_0_2_42_features ];
-  crc_1_8_1 = { features?(crc_1_8_1_features {}) }: crc_1_8_1_ {
-    buildDependencies = mapFeatures features ([ build_const_0_2_1 ]);
-    features = mkFeatures (features.crc_1_8_1 or {});
-  };
-  crc_1_8_1_features = f: updateFeatures f (rec {
-    build_const_0_2_1.default = true;
-    crc_1_8_1.default = (f.crc_1_8_1.default or true);
-    crc_1_8_1.std =
-      (f.crc_1_8_1.std or false) ||
-      (f.crc_1_8_1.default or false) ||
-      (crc_1_8_1.default or false);
-  }) [ build_const_0_2_1_features ];
-  crossbeam_deque_0_3_1 = { features?(crossbeam_deque_0_3_1_features {}) }: crossbeam_deque_0_3_1_ {
-    dependencies = mapFeatures features ([ crossbeam_epoch_0_4_3 crossbeam_utils_0_3_2 ]);
-  };
-  crossbeam_deque_0_3_1_features = f: updateFeatures f (rec {
-    crossbeam_deque_0_3_1.default = (f.crossbeam_deque_0_3_1.default or true);
-    crossbeam_epoch_0_4_3.default = true;
-    crossbeam_utils_0_3_2.default = true;
-  }) [ crossbeam_epoch_0_4_3_features crossbeam_utils_0_3_2_features ];
-  crossbeam_epoch_0_4_3 = { features?(crossbeam_epoch_0_4_3_features {}) }: crossbeam_epoch_0_4_3_ {
-    dependencies = mapFeatures features ([ arrayvec_0_4_7 cfg_if_0_1_4 crossbeam_utils_0_3_2 memoffset_0_2_1 scopeguard_0_3_3 ]
-      ++ (if features.crossbeam_epoch_0_4_3.lazy_static or false then [ lazy_static_1_0_2 ] else []));
-    features = mkFeatures (features.crossbeam_epoch_0_4_3 or {});
-  };
-  crossbeam_epoch_0_4_3_features = f: updateFeatures f (rec {
-    arrayvec_0_4_7.default = (f.arrayvec_0_4_7.default or false);
-    arrayvec_0_4_7.use_union =
-      (f.arrayvec_0_4_7.use_union or false) ||
-      (crossbeam_epoch_0_4_3.nightly or false) ||
-      (f.crossbeam_epoch_0_4_3.nightly or false);
-    cfg_if_0_1_4.default = true;
-    crossbeam_epoch_0_4_3.default = (f.crossbeam_epoch_0_4_3.default or true);
-    crossbeam_epoch_0_4_3.lazy_static =
-      (f.crossbeam_epoch_0_4_3.lazy_static or false) ||
-      (f.crossbeam_epoch_0_4_3.use_std or false) ||
-      (crossbeam_epoch_0_4_3.use_std or false);
-    crossbeam_epoch_0_4_3.use_std =
-      (f.crossbeam_epoch_0_4_3.use_std or false) ||
-      (f.crossbeam_epoch_0_4_3.default or false) ||
-      (crossbeam_epoch_0_4_3.default or false);
-    crossbeam_utils_0_3_2.default = (f.crossbeam_utils_0_3_2.default or false);
-    crossbeam_utils_0_3_2.use_std =
-      (f.crossbeam_utils_0_3_2.use_std or false) ||
-      (crossbeam_epoch_0_4_3.use_std or false) ||
-      (f.crossbeam_epoch_0_4_3.use_std or false);
-    lazy_static_1_0_2.default = true;
-    memoffset_0_2_1.default = true;
-    scopeguard_0_3_3.default = (f.scopeguard_0_3_3.default or false);
-  }) [ arrayvec_0_4_7_features cfg_if_0_1_4_features crossbeam_utils_0_3_2_features lazy_static_1_0_2_features memoffset_0_2_1_features scopeguard_0_3_3_features ];
-  crossbeam_utils_0_3_2 = { features?(crossbeam_utils_0_3_2_features {}) }: crossbeam_utils_0_3_2_ {
-    dependencies = mapFeatures features ([ cfg_if_0_1_4 ]);
-    features = mkFeatures (features.crossbeam_utils_0_3_2 or {});
-  };
-  crossbeam_utils_0_3_2_features = f: updateFeatures f (rec {
-    cfg_if_0_1_4.default = true;
-    crossbeam_utils_0_3_2.default = (f.crossbeam_utils_0_3_2.default or true);
-    crossbeam_utils_0_3_2.use_std =
-      (f.crossbeam_utils_0_3_2.use_std or false) ||
-      (f.crossbeam_utils_0_3_2.default or false) ||
-      (crossbeam_utils_0_3_2.default or false);
-  }) [ cfg_if_0_1_4_features ];
-  difference_2_0_0 = { features?(difference_2_0_0_features {}) }: difference_2_0_0_ {
-    dependencies = mapFeatures features ([]);
-    features = mkFeatures (features.difference_2_0_0 or {});
-  };
-  difference_2_0_0_features = f: updateFeatures f (rec {
-    difference_2_0_0.default = (f.difference_2_0_0.default or true);
-    difference_2_0_0.getopts =
-      (f.difference_2_0_0.getopts or false) ||
-      (f.difference_2_0_0.bin or false) ||
-      (difference_2_0_0.bin or false);
-  }) [];
-  docopt_1_0_0 = { features?(docopt_1_0_0_features {}) }: docopt_1_0_0_ {
-    dependencies = mapFeatures features ([ lazy_static_1_0_2 regex_1_0_3 serde_1_0_70 serde_derive_1_0_75 strsim_0_7_0 ]);
-  };
-  docopt_1_0_0_features = f: updateFeatures f (rec {
-    docopt_1_0_0.default = (f.docopt_1_0_0.default or true);
-    lazy_static_1_0_2.default = true;
-    regex_1_0_3.default = true;
-    serde_1_0_70.default = true;
-    serde_derive_1_0_75.default = true;
-    strsim_0_7_0.default = true;
-  }) [ lazy_static_1_0_2_features regex_1_0_3_features serde_1_0_70_features serde_derive_1_0_75_features strsim_0_7_0_features ];
-  dtoa_0_4_3 = { features?(dtoa_0_4_3_features {}) }: dtoa_0_4_3_ {};
-  dtoa_0_4_3_features = f: updateFeatures f (rec {
-    dtoa_0_4_3.default = (f.dtoa_0_4_3.default or true);
-  }) [];
-  either_1_5_0 = { features?(either_1_5_0_features {}) }: either_1_5_0_ {
-    dependencies = mapFeatures features ([]);
-    features = mkFeatures (features.either_1_5_0 or {});
-  };
-  either_1_5_0_features = f: updateFeatures f (rec {
-    either_1_5_0.default = (f.either_1_5_0.default or true);
-    either_1_5_0.use_std =
-      (f.either_1_5_0.use_std or false) ||
-      (f.either_1_5_0.default or false) ||
-      (either_1_5_0.default or false);
-  }) [];
-  encoding_rs_0_7_2 = { features?(encoding_rs_0_7_2_features {}) }: encoding_rs_0_7_2_ {
-    dependencies = mapFeatures features ([ cfg_if_0_1_4 ]);
-    features = mkFeatures (features.encoding_rs_0_7_2 or {});
-  };
-  encoding_rs_0_7_2_features = f: updateFeatures f (rec {
-    cfg_if_0_1_4.default = true;
-    encoding_rs_0_7_2.default = (f.encoding_rs_0_7_2.default or true);
-    encoding_rs_0_7_2.simd =
-      (f.encoding_rs_0_7_2.simd or false) ||
-      (f.encoding_rs_0_7_2.simd-accel or false) ||
-      (encoding_rs_0_7_2.simd-accel or false);
-  }) [ cfg_if_0_1_4_features ];
-  env_proxy_0_2_0 = { features?(env_proxy_0_2_0_features {}) }: env_proxy_0_2_0_ {
-    dependencies = mapFeatures features ([ log_0_3_9 url_1_7_1 ]);
-  };
-  env_proxy_0_2_0_features = f: updateFeatures f (rec {
-    env_proxy_0_2_0.default = (f.env_proxy_0_2_0.default or true);
-    log_0_3_9.default = true;
-    url_1_7_1.default = true;
-  }) [ log_0_3_9_features url_1_7_1_features ];
-  environment_0_1_1 = { features?(environment_0_1_1_features {}) }: environment_0_1_1_ {};
-  environment_0_1_1_features = f: updateFeatures f (rec {
-    environment_0_1_1.default = (f.environment_0_1_1.default or true);
-  }) [];
-  error_chain_0_11_0 = { features?(error_chain_0_11_0_features {}) }: error_chain_0_11_0_ {
-    dependencies = mapFeatures features ([ ]
-      ++ (if features.error_chain_0_11_0.backtrace or false then [ backtrace_0_3_9 ] else []));
-    features = mkFeatures (features.error_chain_0_11_0 or {});
-  };
-  error_chain_0_11_0_features = f: updateFeatures f (rec {
-    backtrace_0_3_9.default = true;
-    error_chain_0_11_0.backtrace =
-      (f.error_chain_0_11_0.backtrace or false) ||
-      (f.error_chain_0_11_0.default or false) ||
-      (error_chain_0_11_0.default or false);
-    error_chain_0_11_0.default = (f.error_chain_0_11_0.default or true);
-    error_chain_0_11_0.example_generated =
-      (f.error_chain_0_11_0.example_generated or false) ||
-      (f.error_chain_0_11_0.default or false) ||
-      (error_chain_0_11_0.default or false);
-  }) [ backtrace_0_3_9_features ];
-  failure_0_1_1 = { features?(failure_0_1_1_features {}) }: failure_0_1_1_ {
-    dependencies = mapFeatures features ([ ]
-      ++ (if features.failure_0_1_1.backtrace or false then [ backtrace_0_3_9 ] else [])
-      ++ (if features.failure_0_1_1.failure_derive or false then [ failure_derive_0_1_1 ] else []));
-    features = mkFeatures (features.failure_0_1_1 or {});
-  };
-  failure_0_1_1_features = f: updateFeatures f (rec {
-    backtrace_0_3_9.default = true;
-    failure_0_1_1.backtrace =
-      (f.failure_0_1_1.backtrace or false) ||
-      (f.failure_0_1_1.std or false) ||
-      (failure_0_1_1.std or false);
-    failure_0_1_1.default = (f.failure_0_1_1.default or true);
-    failure_0_1_1.derive =
-      (f.failure_0_1_1.derive or false) ||
-      (f.failure_0_1_1.default or false) ||
-      (failure_0_1_1.default or false);
-    failure_0_1_1.failure_derive =
-      (f.failure_0_1_1.failure_derive or false) ||
-      (f.failure_0_1_1.derive or false) ||
-      (failure_0_1_1.derive or false);
-    failure_0_1_1.std =
-      (f.failure_0_1_1.std or false) ||
-      (f.failure_0_1_1.default or false) ||
-      (failure_0_1_1.default or false);
-    failure_derive_0_1_1.default = true;
-  }) [ backtrace_0_3_9_features failure_derive_0_1_1_features ];
-  failure_derive_0_1_1 = { features?(failure_derive_0_1_1_features {}) }: failure_derive_0_1_1_ {
-    dependencies = mapFeatures features ([ quote_0_3_15 syn_0_11_11 synstructure_0_6_1 ]);
-    features = mkFeatures (features.failure_derive_0_1_1 or {});
-  };
-  failure_derive_0_1_1_features = f: updateFeatures f (rec {
-    failure_derive_0_1_1.default = (f.failure_derive_0_1_1.default or true);
-    failure_derive_0_1_1.std =
-      (f.failure_derive_0_1_1.std or false) ||
-      (f.failure_derive_0_1_1.default or false) ||
-      (failure_derive_0_1_1.default or false);
-    quote_0_3_15.default = true;
-    syn_0_11_11.default = true;
-    synstructure_0_6_1.default = true;
-  }) [ quote_0_3_15_features syn_0_11_11_features synstructure_0_6_1_features ];
-  foreign_types_0_3_2 = { features?(foreign_types_0_3_2_features {}) }: foreign_types_0_3_2_ {
-    dependencies = mapFeatures features ([ foreign_types_shared_0_1_1 ]);
-  };
-  foreign_types_0_3_2_features = f: updateFeatures f (rec {
-    foreign_types_0_3_2.default = (f.foreign_types_0_3_2.default or true);
-    foreign_types_shared_0_1_1.default = true;
-  }) [ foreign_types_shared_0_1_1_features ];
-  foreign_types_shared_0_1_1 = { features?(foreign_types_shared_0_1_1_features {}) }: foreign_types_shared_0_1_1_ {};
-  foreign_types_shared_0_1_1_features = f: updateFeatures f (rec {
-    foreign_types_shared_0_1_1.default = (f.foreign_types_shared_0_1_1.default or true);
-  }) [];
-  fuchsia_zircon_0_3_3 = { features?(fuchsia_zircon_0_3_3_features {}) }: fuchsia_zircon_0_3_3_ {
-    dependencies = mapFeatures features ([ bitflags_1_0_3 fuchsia_zircon_sys_0_3_3 ]);
-  };
-  fuchsia_zircon_0_3_3_features = f: updateFeatures f (rec {
-    bitflags_1_0_3.default = true;
-    fuchsia_zircon_0_3_3.default = (f.fuchsia_zircon_0_3_3.default or true);
-    fuchsia_zircon_sys_0_3_3.default = true;
-  }) [ bitflags_1_0_3_features fuchsia_zircon_sys_0_3_3_features ];
-  fuchsia_zircon_sys_0_3_3 = { features?(fuchsia_zircon_sys_0_3_3_features {}) }: fuchsia_zircon_sys_0_3_3_ {};
-  fuchsia_zircon_sys_0_3_3_features = f: updateFeatures f (rec {
-    fuchsia_zircon_sys_0_3_3.default = (f.fuchsia_zircon_sys_0_3_3.default or true);
-  }) [];
-  futures_0_1_23 = { features?(futures_0_1_23_features {}) }: futures_0_1_23_ {
-    features = mkFeatures (features.futures_0_1_23 or {});
-  };
-  futures_0_1_23_features = f: updateFeatures f (rec {
-    futures_0_1_23.default = (f.futures_0_1_23.default or true);
-    futures_0_1_23.use_std =
-      (f.futures_0_1_23.use_std or false) ||
-      (f.futures_0_1_23.default or false) ||
-      (futures_0_1_23.default or false);
-    futures_0_1_23.with-deprecated =
-      (f.futures_0_1_23.with-deprecated or false) ||
-      (f.futures_0_1_23.default or false) ||
-      (futures_0_1_23.default or false);
-  }) [];
-  futures_cpupool_0_1_8 = { features?(futures_cpupool_0_1_8_features {}) }: futures_cpupool_0_1_8_ {
-    dependencies = mapFeatures features ([ futures_0_1_23 num_cpus_1_8_0 ]);
-    features = mkFeatures (features.futures_cpupool_0_1_8 or {});
-  };
-  futures_cpupool_0_1_8_features = f: updateFeatures f (rec {
-    futures_0_1_23.default = (f.futures_0_1_23.default or false);
-    futures_0_1_23.use_std = true;
-    futures_0_1_23.with-deprecated =
-      (f.futures_0_1_23.with-deprecated or false) ||
-      (futures_cpupool_0_1_8.with-deprecated or false) ||
-      (f.futures_cpupool_0_1_8.with-deprecated or false);
-    futures_cpupool_0_1_8.default = (f.futures_cpupool_0_1_8.default or true);
-    futures_cpupool_0_1_8.with-deprecated =
-      (f.futures_cpupool_0_1_8.with-deprecated or false) ||
-      (f.futures_cpupool_0_1_8.default or false) ||
-      (futures_cpupool_0_1_8.default or false);
-    num_cpus_1_8_0.default = true;
-  }) [ futures_0_1_23_features num_cpus_1_8_0_features ];
-  httparse_1_3_2 = { features?(httparse_1_3_2_features {}) }: httparse_1_3_2_ {
-    features = mkFeatures (features.httparse_1_3_2 or {});
-  };
-  httparse_1_3_2_features = f: updateFeatures f (rec {
-    httparse_1_3_2.default = (f.httparse_1_3_2.default or true);
-    httparse_1_3_2.std =
-      (f.httparse_1_3_2.std or false) ||
-      (f.httparse_1_3_2.default or false) ||
-      (httparse_1_3_2.default or false);
-  }) [];
-  hyper_0_11_27 = { features?(hyper_0_11_27_features {}) }: hyper_0_11_27_ {
-    dependencies = mapFeatures features ([ base64_0_9_2 bytes_0_4_9 futures_0_1_23 futures_cpupool_0_1_8 httparse_1_3_2 iovec_0_1_2 language_tags_0_2_2 log_0_4_3 mime_0_3_8 net2_0_2_33 percent_encoding_1_0_1 relay_0_1_1 time_0_1_40 tokio_core_0_1_17 tokio_io_0_1_7 tokio_service_0_1_0 unicase_2_1_0 want_0_0_4 ]);
-    features = mkFeatures (features.hyper_0_11_27 or {});
-  };
-  hyper_0_11_27_features = f: updateFeatures f (rec {
-    base64_0_9_2.default = true;
-    bytes_0_4_9.default = true;
-    futures_0_1_23.default = true;
-    futures_cpupool_0_1_8.default = true;
-    httparse_1_3_2.default = true;
-    hyper_0_11_27.default = (f.hyper_0_11_27.default or true);
-    hyper_0_11_27.http =
-      (f.hyper_0_11_27.http or false) ||
-      (f.hyper_0_11_27.compat or false) ||
-      (hyper_0_11_27.compat or false);
-    hyper_0_11_27.server-proto =
-      (f.hyper_0_11_27.server-proto or false) ||
-      (f.hyper_0_11_27.default or false) ||
-      (hyper_0_11_27.default or false);
-    hyper_0_11_27.tokio-proto =
-      (f.hyper_0_11_27.tokio-proto or false) ||
-      (f.hyper_0_11_27.server-proto or false) ||
-      (hyper_0_11_27.server-proto or false);
-    iovec_0_1_2.default = true;
-    language_tags_0_2_2.default = true;
-    log_0_4_3.default = true;
-    mime_0_3_8.default = true;
-    net2_0_2_33.default = true;
-    percent_encoding_1_0_1.default = true;
-    relay_0_1_1.default = true;
-    time_0_1_40.default = true;
-    tokio_core_0_1_17.default = true;
-    tokio_io_0_1_7.default = true;
-    tokio_service_0_1_0.default = true;
-    unicase_2_1_0.default = true;
-    want_0_0_4.default = true;
-  }) [ base64_0_9_2_features bytes_0_4_9_features futures_0_1_23_features futures_cpupool_0_1_8_features httparse_1_3_2_features iovec_0_1_2_features language_tags_0_2_2_features log_0_4_3_features mime_0_3_8_features net2_0_2_33_features percent_encoding_1_0_1_features relay_0_1_1_features time_0_1_40_features tokio_core_0_1_17_features tokio_io_0_1_7_features tokio_service_0_1_0_features unicase_2_1_0_features want_0_0_4_features ];
-  hyper_tls_0_1_4 = { features?(hyper_tls_0_1_4_features {}) }: hyper_tls_0_1_4_ {
-    dependencies = mapFeatures features ([ futures_0_1_23 hyper_0_11_27 native_tls_0_1_5 tokio_core_0_1_17 tokio_io_0_1_7 tokio_service_0_1_0 tokio_tls_0_1_4 ]);
-  };
-  hyper_tls_0_1_4_features = f: updateFeatures f (rec {
-    futures_0_1_23.default = true;
-    hyper_0_11_27.default = (f.hyper_0_11_27.default or false);
-    hyper_tls_0_1_4.default = (f.hyper_tls_0_1_4.default or true);
-    native_tls_0_1_5.default = true;
-    tokio_core_0_1_17.default = true;
-    tokio_io_0_1_7.default = true;
-    tokio_service_0_1_0.default = true;
-    tokio_tls_0_1_4.default = (f.tokio_tls_0_1_4.default or false);
-  }) [ futures_0_1_23_features hyper_0_11_27_features native_tls_0_1_5_features tokio_core_0_1_17_features tokio_io_0_1_7_features tokio_service_0_1_0_features tokio_tls_0_1_4_features ];
-  idna_0_1_5 = { features?(idna_0_1_5_features {}) }: idna_0_1_5_ {
-    dependencies = mapFeatures features ([ matches_0_1_7 unicode_bidi_0_3_4 unicode_normalization_0_1_7 ]);
-  };
-  idna_0_1_5_features = f: updateFeatures f (rec {
-    idna_0_1_5.default = (f.idna_0_1_5.default or true);
-    matches_0_1_7.default = true;
-    unicode_bidi_0_3_4.default = true;
-    unicode_normalization_0_1_7.default = true;
-  }) [ matches_0_1_7_features unicode_bidi_0_3_4_features unicode_normalization_0_1_7_features ];
-  iovec_0_1_2 = { features?(iovec_0_1_2_features {}) }: iovec_0_1_2_ {
-    dependencies = (if (kernel == "linux" || kernel == "darwin") then mapFeatures features ([ libc_0_2_42 ]) else [])
-      ++ (if kernel == "windows" then mapFeatures features ([ winapi_0_2_8 ]) else []);
-  };
-  iovec_0_1_2_features = f: updateFeatures f (rec {
-    iovec_0_1_2.default = (f.iovec_0_1_2.default or true);
-    libc_0_2_42.default = true;
-    winapi_0_2_8.default = true;
-  }) [ libc_0_2_42_features winapi_0_2_8_features ];
-  itoa_0_4_2 = { features?(itoa_0_4_2_features {}) }: itoa_0_4_2_ {
-    features = mkFeatures (features.itoa_0_4_2 or {});
-  };
-  itoa_0_4_2_features = f: updateFeatures f (rec {
-    itoa_0_4_2.default = (f.itoa_0_4_2.default or true);
-    itoa_0_4_2.std =
-      (f.itoa_0_4_2.std or false) ||
-      (f.itoa_0_4_2.default or false) ||
-      (itoa_0_4_2.default or false);
-  }) [];
-  kernel32_sys_0_2_2 = { features?(kernel32_sys_0_2_2_features {}) }: kernel32_sys_0_2_2_ {
-    dependencies = mapFeatures features ([ winapi_0_2_8 ]);
-    buildDependencies = mapFeatures features ([ winapi_build_0_1_1 ]);
-  };
-  kernel32_sys_0_2_2_features = f: updateFeatures f (rec {
-    kernel32_sys_0_2_2.default = (f.kernel32_sys_0_2_2.default or true);
-    winapi_0_2_8.default = true;
-    winapi_build_0_1_1.default = true;
-  }) [ winapi_0_2_8_features winapi_build_0_1_1_features ];
-  language_tags_0_2_2 = { features?(language_tags_0_2_2_features {}) }: language_tags_0_2_2_ {
-    dependencies = mapFeatures features ([]);
-    features = mkFeatures (features.language_tags_0_2_2 or {});
-  };
-  language_tags_0_2_2_features = f: updateFeatures f (rec {
-    language_tags_0_2_2.default = (f.language_tags_0_2_2.default or true);
-    language_tags_0_2_2.heapsize =
-      (f.language_tags_0_2_2.heapsize or false) ||
-      (f.language_tags_0_2_2.heap_size or false) ||
-      (language_tags_0_2_2.heap_size or false);
-    language_tags_0_2_2.heapsize_plugin =
-      (f.language_tags_0_2_2.heapsize_plugin or false) ||
-      (f.language_tags_0_2_2.heap_size or false) ||
-      (language_tags_0_2_2.heap_size or false);
-  }) [];
-  lazy_static_0_2_11 = { features?(lazy_static_0_2_11_features {}) }: lazy_static_0_2_11_ {
-    dependencies = mapFeatures features ([]);
-    features = mkFeatures (features.lazy_static_0_2_11 or {});
-  };
-  lazy_static_0_2_11_features = f: updateFeatures f (rec {
-    lazy_static_0_2_11.compiletest_rs =
-      (f.lazy_static_0_2_11.compiletest_rs or false) ||
-      (f.lazy_static_0_2_11.compiletest or false) ||
-      (lazy_static_0_2_11.compiletest or false);
-    lazy_static_0_2_11.default = (f.lazy_static_0_2_11.default or true);
-    lazy_static_0_2_11.nightly =
-      (f.lazy_static_0_2_11.nightly or false) ||
-      (f.lazy_static_0_2_11.spin_no_std or false) ||
-      (lazy_static_0_2_11.spin_no_std or false);
-    lazy_static_0_2_11.spin =
-      (f.lazy_static_0_2_11.spin or false) ||
-      (f.lazy_static_0_2_11.spin_no_std or false) ||
-      (lazy_static_0_2_11.spin_no_std or false);
-  }) [];
-  lazy_static_1_0_2 = { features?(lazy_static_1_0_2_features {}) }: lazy_static_1_0_2_ {
-    dependencies = mapFeatures features ([]);
-    features = mkFeatures (features.lazy_static_1_0_2 or {});
-  };
-  lazy_static_1_0_2_features = f: updateFeatures f (rec {
-    lazy_static_1_0_2.default = (f.lazy_static_1_0_2.default or true);
-    lazy_static_1_0_2.nightly =
-      (f.lazy_static_1_0_2.nightly or false) ||
-      (f.lazy_static_1_0_2.spin_no_std or false) ||
-      (lazy_static_1_0_2.spin_no_std or false);
-    lazy_static_1_0_2.spin =
-      (f.lazy_static_1_0_2.spin or false) ||
-      (f.lazy_static_1_0_2.spin_no_std or false) ||
-      (lazy_static_1_0_2.spin_no_std or false);
-  }) [];
-  lazycell_0_6_0 = { features?(lazycell_0_6_0_features {}) }: lazycell_0_6_0_ {
-    dependencies = mapFeatures features ([]);
-    features = mkFeatures (features.lazycell_0_6_0 or {});
-  };
-  lazycell_0_6_0_features = f: updateFeatures f (rec {
-    lazycell_0_6_0.clippy =
-      (f.lazycell_0_6_0.clippy or false) ||
-      (f.lazycell_0_6_0.nightly-testing or false) ||
-      (lazycell_0_6_0.nightly-testing or false);
-    lazycell_0_6_0.default = (f.lazycell_0_6_0.default or true);
-    lazycell_0_6_0.nightly =
-      (f.lazycell_0_6_0.nightly or false) ||
-      (f.lazycell_0_6_0.nightly-testing or false) ||
-      (lazycell_0_6_0.nightly-testing or false);
-  }) [];
-  libc_0_2_42 = { features?(libc_0_2_42_features {}) }: libc_0_2_42_ {
-    features = mkFeatures (features.libc_0_2_42 or {});
-  };
-  libc_0_2_42_features = f: updateFeatures f (rec {
-    libc_0_2_42.default = (f.libc_0_2_42.default or true);
-    libc_0_2_42.use_std =
-      (f.libc_0_2_42.use_std or false) ||
-      (f.libc_0_2_42.default or false) ||
-      (libc_0_2_42.default or false);
-  }) [];
-  libflate_0_1_16 = { features?(libflate_0_1_16_features {}) }: libflate_0_1_16_ {
-    dependencies = mapFeatures features ([ adler32_1_0_3 byteorder_1_2_4 crc_1_8_1 ]);
-  };
-  libflate_0_1_16_features = f: updateFeatures f (rec {
-    adler32_1_0_3.default = true;
-    byteorder_1_2_4.default = true;
-    crc_1_8_1.default = true;
-    libflate_0_1_16.default = (f.libflate_0_1_16.default or true);
-  }) [ adler32_1_0_3_features byteorder_1_2_4_features crc_1_8_1_features ];
-  linked_hash_map_0_5_1 = { features?(linked_hash_map_0_5_1_features {}) }: linked_hash_map_0_5_1_ {
-    dependencies = mapFeatures features ([]);
-    features = mkFeatures (features.linked_hash_map_0_5_1 or {});
-  };
-  linked_hash_map_0_5_1_features = f: updateFeatures f (rec {
-    linked_hash_map_0_5_1.default = (f.linked_hash_map_0_5_1.default or true);
-    linked_hash_map_0_5_1.heapsize =
-      (f.linked_hash_map_0_5_1.heapsize or false) ||
-      (f.linked_hash_map_0_5_1.heapsize_impl or false) ||
-      (linked_hash_map_0_5_1.heapsize_impl or false);
-    linked_hash_map_0_5_1.serde =
-      (f.linked_hash_map_0_5_1.serde or false) ||
-      (f.linked_hash_map_0_5_1.serde_impl or false) ||
-      (linked_hash_map_0_5_1.serde_impl or false);
-    linked_hash_map_0_5_1.serde_test =
-      (f.linked_hash_map_0_5_1.serde_test or false) ||
-      (f.linked_hash_map_0_5_1.serde_impl or false) ||
-      (linked_hash_map_0_5_1.serde_impl or false);
-  }) [];
-  log_0_3_9 = { features?(log_0_3_9_features {}) }: log_0_3_9_ {
-    dependencies = mapFeatures features ([ log_0_4_3 ]);
-    features = mkFeatures (features.log_0_3_9 or {});
-  };
-  log_0_3_9_features = f: updateFeatures f (rec {
-    log_0_3_9.default = (f.log_0_3_9.default or true);
-    log_0_3_9.use_std =
-      (f.log_0_3_9.use_std or false) ||
-      (f.log_0_3_9.default or false) ||
-      (log_0_3_9.default or false);
-    log_0_4_3.default = true;
-    log_0_4_3.max_level_debug =
-      (f.log_0_4_3.max_level_debug or false) ||
-      (log_0_3_9.max_level_debug or false) ||
-      (f.log_0_3_9.max_level_debug or false);
-    log_0_4_3.max_level_error =
-      (f.log_0_4_3.max_level_error or false) ||
-      (log_0_3_9.max_level_error or false) ||
-      (f.log_0_3_9.max_level_error or false);
-    log_0_4_3.max_level_info =
-      (f.log_0_4_3.max_level_info or false) ||
-      (log_0_3_9.max_level_info or false) ||
-      (f.log_0_3_9.max_level_info or false);
-    log_0_4_3.max_level_off =
-      (f.log_0_4_3.max_level_off or false) ||
-      (log_0_3_9.max_level_off or false) ||
-      (f.log_0_3_9.max_level_off or false);
-    log_0_4_3.max_level_trace =
-      (f.log_0_4_3.max_level_trace or false) ||
-      (log_0_3_9.max_level_trace or false) ||
-      (f.log_0_3_9.max_level_trace or false);
-    log_0_4_3.max_level_warn =
-      (f.log_0_4_3.max_level_warn or false) ||
-      (log_0_3_9.max_level_warn or false) ||
-      (f.log_0_3_9.max_level_warn or false);
-    log_0_4_3.release_max_level_debug =
-      (f.log_0_4_3.release_max_level_debug or false) ||
-      (log_0_3_9.release_max_level_debug or false) ||
-      (f.log_0_3_9.release_max_level_debug or false);
-    log_0_4_3.release_max_level_error =
-      (f.log_0_4_3.release_max_level_error or false) ||
-      (log_0_3_9.release_max_level_error or false) ||
-      (f.log_0_3_9.release_max_level_error or false);
-    log_0_4_3.release_max_level_info =
-      (f.log_0_4_3.release_max_level_info or false) ||
-      (log_0_3_9.release_max_level_info or false) ||
-      (f.log_0_3_9.release_max_level_info or false);
-    log_0_4_3.release_max_level_off =
-      (f.log_0_4_3.release_max_level_off or false) ||
-      (log_0_3_9.release_max_level_off or false) ||
-      (f.log_0_3_9.release_max_level_off or false);
-    log_0_4_3.release_max_level_trace =
-      (f.log_0_4_3.release_max_level_trace or false) ||
-      (log_0_3_9.release_max_level_trace or false) ||
-      (f.log_0_3_9.release_max_level_trace or false);
-    log_0_4_3.release_max_level_warn =
-      (f.log_0_4_3.release_max_level_warn or false) ||
-      (log_0_3_9.release_max_level_warn or false) ||
-      (f.log_0_3_9.release_max_level_warn or false);
-    log_0_4_3.std =
-      (f.log_0_4_3.std or false) ||
-      (log_0_3_9.use_std or false) ||
-      (f.log_0_3_9.use_std or false);
-  }) [ log_0_4_3_features ];
-  log_0_4_3 = { features?(log_0_4_3_features {}) }: log_0_4_3_ {
-    dependencies = mapFeatures features ([ cfg_if_0_1_4 ]);
-    features = mkFeatures (features.log_0_4_3 or {});
-  };
-  log_0_4_3_features = f: updateFeatures f (rec {
-    cfg_if_0_1_4.default = true;
-    log_0_4_3.default = (f.log_0_4_3.default or true);
-  }) [ cfg_if_0_1_4_features ];
-  matches_0_1_7 = { features?(matches_0_1_7_features {}) }: matches_0_1_7_ {};
-  matches_0_1_7_features = f: updateFeatures f (rec {
-    matches_0_1_7.default = (f.matches_0_1_7.default or true);
-  }) [];
-  memchr_2_0_1 = { features?(memchr_2_0_1_features {}) }: memchr_2_0_1_ {
-    dependencies = mapFeatures features ([ ]
-      ++ (if features.memchr_2_0_1.libc or false then [ libc_0_2_42 ] else []));
-    features = mkFeatures (features.memchr_2_0_1 or {});
-  };
-  memchr_2_0_1_features = f: updateFeatures f (rec {
-    libc_0_2_42.default = (f.libc_0_2_42.default or false);
-    libc_0_2_42.use_std =
-      (f.libc_0_2_42.use_std or false) ||
-      (memchr_2_0_1.use_std or false) ||
-      (f.memchr_2_0_1.use_std or false);
-    memchr_2_0_1.default = (f.memchr_2_0_1.default or true);
-    memchr_2_0_1.libc =
-      (f.memchr_2_0_1.libc or false) ||
-      (f.memchr_2_0_1.default or false) ||
-      (memchr_2_0_1.default or false) ||
-      (f.memchr_2_0_1.use_std or false) ||
-      (memchr_2_0_1.use_std or false);
-    memchr_2_0_1.use_std =
-      (f.memchr_2_0_1.use_std or false) ||
-      (f.memchr_2_0_1.default or false) ||
-      (memchr_2_0_1.default or false);
-  }) [ libc_0_2_42_features ];
-  memoffset_0_2_1 = { features?(memoffset_0_2_1_features {}) }: memoffset_0_2_1_ {};
-  memoffset_0_2_1_features = f: updateFeatures f (rec {
-    memoffset_0_2_1.default = (f.memoffset_0_2_1.default or true);
-  }) [];
-  mime_0_3_8 = { features?(mime_0_3_8_features {}) }: mime_0_3_8_ {
-    dependencies = mapFeatures features ([ unicase_2_1_0 ]);
-  };
-  mime_0_3_8_features = f: updateFeatures f (rec {
-    mime_0_3_8.default = (f.mime_0_3_8.default or true);
-    unicase_2_1_0.default = true;
-  }) [ unicase_2_1_0_features ];
-  mime_guess_2_0_0_alpha_6 = { features?(mime_guess_2_0_0_alpha_6_features {}) }: mime_guess_2_0_0_alpha_6_ {
-    dependencies = mapFeatures features ([ mime_0_3_8 phf_0_7_22 unicase_1_4_2 ]);
-    buildDependencies = mapFeatures features ([ phf_codegen_0_7_22 unicase_1_4_2 ]);
-    features = mkFeatures (features.mime_guess_2_0_0_alpha_6 or {});
-  };
-  mime_guess_2_0_0_alpha_6_features = f: updateFeatures f (rec {
-    mime_0_3_8.default = true;
-    mime_guess_2_0_0_alpha_6.default = (f.mime_guess_2_0_0_alpha_6.default or true);
-    phf_0_7_22.default = true;
-    phf_0_7_22.unicase = true;
-    phf_codegen_0_7_22.default = true;
-    unicase_1_4_2.default = true;
-  }) [ mime_0_3_8_features phf_0_7_22_features unicase_1_4_2_features phf_codegen_0_7_22_features unicase_1_4_2_features ];
-  mio_0_6_15 = { features?(mio_0_6_15_features {}) }: mio_0_6_15_ {
-    dependencies = mapFeatures features ([ iovec_0_1_2 lazycell_0_6_0 log_0_4_3 net2_0_2_33 slab_0_4_0 ])
-      ++ (if kernel == "fuchsia" then mapFeatures features ([ fuchsia_zircon_0_3_3 fuchsia_zircon_sys_0_3_3 ]) else [])
-      ++ (if (kernel == "linux" || kernel == "darwin") then mapFeatures features ([ libc_0_2_42 ]) else [])
-      ++ (if kernel == "windows" then mapFeatures features ([ kernel32_sys_0_2_2 miow_0_2_1 winapi_0_2_8 ]) else []);
-    features = mkFeatures (features.mio_0_6_15 or {});
-  };
-  mio_0_6_15_features = f: updateFeatures f (rec {
-    fuchsia_zircon_0_3_3.default = true;
-    fuchsia_zircon_sys_0_3_3.default = true;
-    iovec_0_1_2.default = true;
-    kernel32_sys_0_2_2.default = true;
-    lazycell_0_6_0.default = true;
-    libc_0_2_42.default = true;
-    log_0_4_3.default = true;
-    mio_0_6_15.default = (f.mio_0_6_15.default or true);
-    mio_0_6_15.with-deprecated =
-      (f.mio_0_6_15.with-deprecated or false) ||
-      (f.mio_0_6_15.default or false) ||
-      (mio_0_6_15.default or false);
-    miow_0_2_1.default = true;
-    net2_0_2_33.default = true;
-    slab_0_4_0.default = true;
-    winapi_0_2_8.default = true;
-  }) [ iovec_0_1_2_features lazycell_0_6_0_features log_0_4_3_features net2_0_2_33_features slab_0_4_0_features fuchsia_zircon_0_3_3_features fuchsia_zircon_sys_0_3_3_features libc_0_2_42_features kernel32_sys_0_2_2_features miow_0_2_1_features winapi_0_2_8_features ];
-  miow_0_2_1 = { features?(miow_0_2_1_features {}) }: miow_0_2_1_ {
-    dependencies = mapFeatures features ([ kernel32_sys_0_2_2 net2_0_2_33 winapi_0_2_8 ws2_32_sys_0_2_1 ]);
-  };
-  miow_0_2_1_features = f: updateFeatures f (rec {
-    kernel32_sys_0_2_2.default = true;
-    miow_0_2_1.default = (f.miow_0_2_1.default or true);
-    net2_0_2_33.default = (f.net2_0_2_33.default or false);
-    winapi_0_2_8.default = true;
-    ws2_32_sys_0_2_1.default = true;
-  }) [ kernel32_sys_0_2_2_features net2_0_2_33_features winapi_0_2_8_features ws2_32_sys_0_2_1_features ];
-  native_tls_0_1_5 = { features?(native_tls_0_1_5_features {}) }: native_tls_0_1_5_ {
-    dependencies = mapFeatures features ([ lazy_static_0_2_11 ])
-      ++ (if kernel == "darwin" || kernel == "ios" then mapFeatures features ([ libc_0_2_42 security_framework_0_1_16 security_framework_sys_0_1_16 tempdir_0_3_7 ]) else [])
-      ++ (if !(kernel == "windows" || kernel == "darwin" || kernel == "ios") then mapFeatures features ([ openssl_0_9_24 ]) else [])
-      ++ (if kernel == "windows" then mapFeatures features ([ schannel_0_1_13 ]) else []);
-  };
-  native_tls_0_1_5_features = f: updateFeatures f (rec {
-    lazy_static_0_2_11.default = true;
-    libc_0_2_42.default = true;
-    native_tls_0_1_5.default = (f.native_tls_0_1_5.default or true);
-    openssl_0_9_24.default = true;
-    schannel_0_1_13.default = true;
-    security_framework_0_1_16.OSX_10_8 = true;
-    security_framework_0_1_16.default = true;
-    security_framework_sys_0_1_16.default = true;
-    tempdir_0_3_7.default = true;
-  }) [ lazy_static_0_2_11_features libc_0_2_42_features security_framework_0_1_16_features security_framework_sys_0_1_16_features tempdir_0_3_7_features openssl_0_9_24_features schannel_0_1_13_features ];
-  net2_0_2_33 = { features?(net2_0_2_33_features {}) }: net2_0_2_33_ {
-    dependencies = mapFeatures features ([ cfg_if_0_1_4 ])
-      ++ (if kernel == "redox" || (kernel == "linux" || kernel == "darwin") then mapFeatures features ([ libc_0_2_42 ]) else [])
-      ++ (if kernel == "windows" then mapFeatures features ([ winapi_0_3_5 ]) else []);
-    features = mkFeatures (features.net2_0_2_33 or {});
-  };
-  net2_0_2_33_features = f: updateFeatures f (rec {
-    cfg_if_0_1_4.default = true;
-    libc_0_2_42.default = true;
-    net2_0_2_33.default = (f.net2_0_2_33.default or true);
-    net2_0_2_33.duration =
-      (f.net2_0_2_33.duration or false) ||
-      (f.net2_0_2_33.default or false) ||
-      (net2_0_2_33.default or false);
-    winapi_0_3_5.default = true;
-    winapi_0_3_5.handleapi = true;
-    winapi_0_3_5.winsock2 = true;
-    winapi_0_3_5.ws2def = true;
-    winapi_0_3_5.ws2ipdef = true;
-    winapi_0_3_5.ws2tcpip = true;
-  }) [ cfg_if_0_1_4_features libc_0_2_42_features winapi_0_3_5_features ];
-  nodrop_0_1_12 = { features?(nodrop_0_1_12_features {}) }: nodrop_0_1_12_ {
-    dependencies = mapFeatures features ([]);
-    features = mkFeatures (features.nodrop_0_1_12 or {});
-  };
-  nodrop_0_1_12_features = f: updateFeatures f (rec {
-    nodrop_0_1_12.default = (f.nodrop_0_1_12.default or true);
-    nodrop_0_1_12.nodrop-union =
-      (f.nodrop_0_1_12.nodrop-union or false) ||
-      (f.nodrop_0_1_12.use_union or false) ||
-      (nodrop_0_1_12.use_union or false);
-    nodrop_0_1_12.std =
-      (f.nodrop_0_1_12.std or false) ||
-      (f.nodrop_0_1_12.default or false) ||
-      (nodrop_0_1_12.default or false);
-  }) [];
-  num_integer_0_1_39 = { features?(num_integer_0_1_39_features {}) }: num_integer_0_1_39_ {
-    dependencies = mapFeatures features ([ num_traits_0_2_5 ]);
-    features = mkFeatures (features.num_integer_0_1_39 or {});
-  };
-  num_integer_0_1_39_features = f: updateFeatures f (rec {
-    num_integer_0_1_39.default = (f.num_integer_0_1_39.default or true);
-    num_integer_0_1_39.std =
-      (f.num_integer_0_1_39.std or false) ||
-      (f.num_integer_0_1_39.default or false) ||
-      (num_integer_0_1_39.default or false);
-    num_traits_0_2_5.default = (f.num_traits_0_2_5.default or false);
-    num_traits_0_2_5.i128 =
-      (f.num_traits_0_2_5.i128 or false) ||
-      (num_integer_0_1_39.i128 or false) ||
-      (f.num_integer_0_1_39.i128 or false);
-    num_traits_0_2_5.std =
-      (f.num_traits_0_2_5.std or false) ||
-      (num_integer_0_1_39.std or false) ||
-      (f.num_integer_0_1_39.std or false);
-  }) [ num_traits_0_2_5_features ];
-  num_traits_0_2_5 = { features?(num_traits_0_2_5_features {}) }: num_traits_0_2_5_ {
-    features = mkFeatures (features.num_traits_0_2_5 or {});
-  };
-  num_traits_0_2_5_features = f: updateFeatures f (rec {
-    num_traits_0_2_5.default = (f.num_traits_0_2_5.default or true);
-    num_traits_0_2_5.std =
-      (f.num_traits_0_2_5.std or false) ||
-      (f.num_traits_0_2_5.default or false) ||
-      (num_traits_0_2_5.default or false);
-  }) [];
-  num_cpus_1_8_0 = { features?(num_cpus_1_8_0_features {}) }: num_cpus_1_8_0_ {
-    dependencies = mapFeatures features ([ libc_0_2_42 ]);
-  };
-  num_cpus_1_8_0_features = f: updateFeatures f (rec {
-    libc_0_2_42.default = true;
-    num_cpus_1_8_0.default = (f.num_cpus_1_8_0.default or true);
-  }) [ libc_0_2_42_features ];
-  openssl_0_9_24 = { features?(openssl_0_9_24_features {}) }: openssl_0_9_24_ {
-    dependencies = mapFeatures features ([ bitflags_0_9_1 foreign_types_0_3_2 lazy_static_1_0_2 libc_0_2_42 openssl_sys_0_9_33 ]);
-    features = mkFeatures (features.openssl_0_9_24 or {});
-  };
-  openssl_0_9_24_features = f: updateFeatures f (rec {
-    bitflags_0_9_1.default = true;
-    foreign_types_0_3_2.default = true;
-    lazy_static_1_0_2.default = true;
-    libc_0_2_42.default = true;
-    openssl_0_9_24.default = (f.openssl_0_9_24.default or true);
-    openssl_sys_0_9_33.default = true;
-  }) [ bitflags_0_9_1_features foreign_types_0_3_2_features lazy_static_1_0_2_features libc_0_2_42_features openssl_sys_0_9_33_features ];
-  openssl_sys_0_9_33 = { features?(openssl_sys_0_9_33_features {}) }: openssl_sys_0_9_33_ {
-    dependencies = mapFeatures features ([ libc_0_2_42 ])
-      ++ (if abi == "msvc" then mapFeatures features ([]) else []);
-    buildDependencies = mapFeatures features ([ cc_1_0_18 pkg_config_0_3_12 ]);
-  };
-  openssl_sys_0_9_33_features = f: updateFeatures f (rec {
-    cc_1_0_18.default = true;
-    libc_0_2_42.default = true;
-    openssl_sys_0_9_33.default = (f.openssl_sys_0_9_33.default or true);
-    pkg_config_0_3_12.default = true;
-  }) [ libc_0_2_42_features cc_1_0_18_features pkg_config_0_3_12_features ];
-  pad_0_1_5 = { features?(pad_0_1_5_features {}) }: pad_0_1_5_ {
-    dependencies = mapFeatures features ([ unicode_width_0_1_5 ]);
-  };
-  pad_0_1_5_features = f: updateFeatures f (rec {
-    pad_0_1_5.default = (f.pad_0_1_5.default or true);
-    unicode_width_0_1_5.default = true;
-  }) [ unicode_width_0_1_5_features ];
-  percent_encoding_1_0_1 = { features?(percent_encoding_1_0_1_features {}) }: percent_encoding_1_0_1_ {};
-  percent_encoding_1_0_1_features = f: updateFeatures f (rec {
-    percent_encoding_1_0_1.default = (f.percent_encoding_1_0_1.default or true);
-  }) [];
-  phf_0_7_22 = { features?(phf_0_7_22_features {}) }: phf_0_7_22_ {
-    dependencies = mapFeatures features ([ phf_shared_0_7_22 ]);
-    features = mkFeatures (features.phf_0_7_22 or {});
-  };
-  phf_0_7_22_features = f: updateFeatures f (rec {
-    phf_0_7_22.default = (f.phf_0_7_22.default or true);
-    phf_shared_0_7_22.core =
-      (f.phf_shared_0_7_22.core or false) ||
-      (phf_0_7_22.core or false) ||
-      (f.phf_0_7_22.core or false);
-    phf_shared_0_7_22.default = true;
-    phf_shared_0_7_22.unicase =
-      (f.phf_shared_0_7_22.unicase or false) ||
-      (phf_0_7_22.unicase or false) ||
-      (f.phf_0_7_22.unicase or false);
-  }) [ phf_shared_0_7_22_features ];
-  phf_codegen_0_7_22 = { features?(phf_codegen_0_7_22_features {}) }: phf_codegen_0_7_22_ {
-    dependencies = mapFeatures features ([ phf_generator_0_7_22 phf_shared_0_7_22 ]);
-  };
-  phf_codegen_0_7_22_features = f: updateFeatures f (rec {
-    phf_codegen_0_7_22.default = (f.phf_codegen_0_7_22.default or true);
-    phf_generator_0_7_22.default = true;
-    phf_shared_0_7_22.default = true;
-  }) [ phf_generator_0_7_22_features phf_shared_0_7_22_features ];
-  phf_generator_0_7_22 = { features?(phf_generator_0_7_22_features {}) }: phf_generator_0_7_22_ {
-    dependencies = mapFeatures features ([ phf_shared_0_7_22 rand_0_4_2 ]);
-  };
-  phf_generator_0_7_22_features = f: updateFeatures f (rec {
-    phf_generator_0_7_22.default = (f.phf_generator_0_7_22.default or true);
-    phf_shared_0_7_22.default = true;
-    rand_0_4_2.default = true;
-  }) [ phf_shared_0_7_22_features rand_0_4_2_features ];
-  phf_shared_0_7_22 = { features?(phf_shared_0_7_22_features {}) }: phf_shared_0_7_22_ {
-    dependencies = mapFeatures features ([ siphasher_0_2_3 ]
-      ++ (if features.phf_shared_0_7_22.unicase or false then [ unicase_1_4_2 ] else []));
-    features = mkFeatures (features.phf_shared_0_7_22 or {});
-  };
-  phf_shared_0_7_22_features = f: updateFeatures f (rec {
-    phf_shared_0_7_22.default = (f.phf_shared_0_7_22.default or true);
-    siphasher_0_2_3.default = true;
-    unicase_1_4_2.default = true;
-  }) [ siphasher_0_2_3_features unicase_1_4_2_features ];
-  pkg_config_0_3_12 = { features?(pkg_config_0_3_12_features {}) }: pkg_config_0_3_12_ {};
-  pkg_config_0_3_12_features = f: updateFeatures f (rec {
-    pkg_config_0_3_12.default = (f.pkg_config_0_3_12.default or true);
-  }) [];
-  pretty_assertions_0_5_1 = { features?(pretty_assertions_0_5_1_features {}) }: pretty_assertions_0_5_1_ {
-    dependencies = mapFeatures features ([ ansi_term_0_11_0 difference_2_0_0 ]);
-  };
-  pretty_assertions_0_5_1_features = f: updateFeatures f (rec {
-    ansi_term_0_11_0.default = true;
-    difference_2_0_0.default = true;
-    pretty_assertions_0_5_1.default = (f.pretty_assertions_0_5_1.default or true);
-  }) [ ansi_term_0_11_0_features difference_2_0_0_features ];
-  proc_macro2_0_4_9 = { features?(proc_macro2_0_4_9_features {}) }: proc_macro2_0_4_9_ {
-    dependencies = mapFeatures features ([ unicode_xid_0_1_0 ]);
-    features = mkFeatures (features.proc_macro2_0_4_9 or {});
-  };
-  proc_macro2_0_4_9_features = f: updateFeatures f (rec {
-    proc_macro2_0_4_9.default = (f.proc_macro2_0_4_9.default or true);
-    proc_macro2_0_4_9.proc-macro =
-      (f.proc_macro2_0_4_9.proc-macro or false) ||
-      (f.proc_macro2_0_4_9.default or false) ||
-      (proc_macro2_0_4_9.default or false) ||
-      (f.proc_macro2_0_4_9.nightly or false) ||
-      (proc_macro2_0_4_9.nightly or false);
-    unicode_xid_0_1_0.default = true;
-  }) [ unicode_xid_0_1_0_features ];
-  quote_0_3_15 = { features?(quote_0_3_15_features {}) }: quote_0_3_15_ {};
-  quote_0_3_15_features = f: updateFeatures f (rec {
-    quote_0_3_15.default = (f.quote_0_3_15.default or true);
-  }) [];
-  quote_0_6_4 = { features?(quote_0_6_4_features {}) }: quote_0_6_4_ {
-    dependencies = mapFeatures features ([ proc_macro2_0_4_9 ]);
-    features = mkFeatures (features.quote_0_6_4 or {});
-  };
-  quote_0_6_4_features = f: updateFeatures f (rec {
-    proc_macro2_0_4_9.default = (f.proc_macro2_0_4_9.default or false);
-    proc_macro2_0_4_9.proc-macro =
-      (f.proc_macro2_0_4_9.proc-macro or false) ||
-      (quote_0_6_4.proc-macro or false) ||
-      (f.quote_0_6_4.proc-macro or false);
-    quote_0_6_4.default = (f.quote_0_6_4.default or true);
-    quote_0_6_4.proc-macro =
-      (f.quote_0_6_4.proc-macro or false) ||
-      (f.quote_0_6_4.default or false) ||
-      (quote_0_6_4.default or false);
-  }) [ proc_macro2_0_4_9_features ];
-  rand_0_4_2 = { features?(rand_0_4_2_features {}) }: rand_0_4_2_ {
-    dependencies = (if kernel == "fuchsia" then mapFeatures features ([ fuchsia_zircon_0_3_3 ]) else [])
-      ++ (if (kernel == "linux" || kernel == "darwin") then mapFeatures features ([ ]
-      ++ (if features.rand_0_4_2.libc or false then [ libc_0_2_42 ] else [])) else [])
-      ++ (if kernel == "windows" then mapFeatures features ([ winapi_0_3_5 ]) else []);
-    features = mkFeatures (features.rand_0_4_2 or {});
-  };
-  rand_0_4_2_features = f: updateFeatures f (rec {
-    fuchsia_zircon_0_3_3.default = true;
-    libc_0_2_42.default = true;
-    rand_0_4_2.default = (f.rand_0_4_2.default or true);
-    rand_0_4_2.i128_support =
-      (f.rand_0_4_2.i128_support or false) ||
-      (f.rand_0_4_2.nightly or false) ||
-      (rand_0_4_2.nightly or false);
-    rand_0_4_2.libc =
-      (f.rand_0_4_2.libc or false) ||
-      (f.rand_0_4_2.std or false) ||
-      (rand_0_4_2.std or false);
-    rand_0_4_2.std =
-      (f.rand_0_4_2.std or false) ||
-      (f.rand_0_4_2.default or false) ||
-      (rand_0_4_2.default or false);
-    winapi_0_3_5.default = true;
-    winapi_0_3_5.minwindef = true;
-    winapi_0_3_5.ntsecapi = true;
-    winapi_0_3_5.profileapi = true;
-    winapi_0_3_5.winnt = true;
-  }) [ fuchsia_zircon_0_3_3_features libc_0_2_42_features winapi_0_3_5_features ];
-  redox_syscall_0_1_40 = { features?(redox_syscall_0_1_40_features {}) }: redox_syscall_0_1_40_ {};
-  redox_syscall_0_1_40_features = f: updateFeatures f (rec {
-    redox_syscall_0_1_40.default = (f.redox_syscall_0_1_40.default or true);
-  }) [];
-  redox_termios_0_1_1 = { features?(redox_termios_0_1_1_features {}) }: redox_termios_0_1_1_ {
-    dependencies = mapFeatures features ([ redox_syscall_0_1_40 ]);
-  };
-  redox_termios_0_1_1_features = f: updateFeatures f (rec {
-    redox_syscall_0_1_40.default = true;
-    redox_termios_0_1_1.default = (f.redox_termios_0_1_1.default or true);
-  }) [ redox_syscall_0_1_40_features ];
-  regex_1_0_3 = { features?(regex_1_0_3_features {}) }: regex_1_0_3_ {
-    dependencies = mapFeatures features ([ aho_corasick_0_6_6 memchr_2_0_1 regex_syntax_0_6_2 thread_local_0_3_6 utf8_ranges_1_0_0 ]);
-    features = mkFeatures (features.regex_1_0_3 or {});
-  };
-  regex_1_0_3_features = f: updateFeatures f (rec {
-    aho_corasick_0_6_6.default = true;
-    memchr_2_0_1.default = true;
-    regex_1_0_3.default = (f.regex_1_0_3.default or true);
-    regex_1_0_3.pattern =
-      (f.regex_1_0_3.pattern or false) ||
-      (f.regex_1_0_3.unstable or false) ||
-      (regex_1_0_3.unstable or false);
-    regex_1_0_3.use_std =
-      (f.regex_1_0_3.use_std or false) ||
-      (f.regex_1_0_3.default or false) ||
-      (regex_1_0_3.default or false);
-    regex_syntax_0_6_2.default = true;
-    thread_local_0_3_6.default = true;
-    utf8_ranges_1_0_0.default = true;
-  }) [ aho_corasick_0_6_6_features memchr_2_0_1_features regex_syntax_0_6_2_features thread_local_0_3_6_features utf8_ranges_1_0_0_features ];
-  regex_syntax_0_6_2 = { features?(regex_syntax_0_6_2_features {}) }: regex_syntax_0_6_2_ {
-    dependencies = mapFeatures features ([ ucd_util_0_1_1 ]);
-  };
-  regex_syntax_0_6_2_features = f: updateFeatures f (rec {
-    regex_syntax_0_6_2.default = (f.regex_syntax_0_6_2.default or true);
-    ucd_util_0_1_1.default = true;
-  }) [ ucd_util_0_1_1_features ];
-  relay_0_1_1 = { features?(relay_0_1_1_features {}) }: relay_0_1_1_ {
-    dependencies = mapFeatures features ([ futures_0_1_23 ]);
-  };
-  relay_0_1_1_features = f: updateFeatures f (rec {
-    futures_0_1_23.default = true;
-    relay_0_1_1.default = (f.relay_0_1_1.default or true);
-  }) [ futures_0_1_23_features ];
-  remove_dir_all_0_5_1 = { features?(remove_dir_all_0_5_1_features {}) }: remove_dir_all_0_5_1_ {
-    dependencies = (if kernel == "windows" then mapFeatures features ([ winapi_0_3_5 ]) else []);
-  };
-  remove_dir_all_0_5_1_features = f: updateFeatures f (rec {
-    remove_dir_all_0_5_1.default = (f.remove_dir_all_0_5_1.default or true);
-    winapi_0_3_5.default = true;
-    winapi_0_3_5.errhandlingapi = true;
-    winapi_0_3_5.fileapi = true;
-    winapi_0_3_5.std = true;
-    winapi_0_3_5.winbase = true;
-    winapi_0_3_5.winerror = true;
-  }) [ winapi_0_3_5_features ];
-  reqwest_0_8_7 = { features?(reqwest_0_8_7_features {}) }: reqwest_0_8_7_ {
-    dependencies = mapFeatures features ([ bytes_0_4_9 encoding_rs_0_7_2 futures_0_1_23 hyper_0_11_27 hyper_tls_0_1_4 libflate_0_1_16 log_0_4_3 mime_guess_2_0_0_alpha_6 native_tls_0_1_5 serde_1_0_70 serde_json_1_0_24 serde_urlencoded_0_5_2 tokio_core_0_1_17 tokio_io_0_1_7 tokio_tls_0_1_4 url_1_7_1 uuid_0_6_5 ]);
-    features = mkFeatures (features.reqwest_0_8_7 or {});
-  };
-  reqwest_0_8_7_features = f: updateFeatures f (rec {
-    bytes_0_4_9.default = true;
-    encoding_rs_0_7_2.default = true;
-    futures_0_1_23.default = true;
-    hyper_0_11_27.default = (f.hyper_0_11_27.default or false);
-    hyper_tls_0_1_4.default = true;
-    libflate_0_1_16.default = true;
-    log_0_4_3.default = true;
-    mime_guess_2_0_0_alpha_6.default = true;
-    native_tls_0_1_5.default = true;
-    reqwest_0_8_7.default = (f.reqwest_0_8_7.default or true);
-    serde_1_0_70.default = true;
-    serde_json_1_0_24.default = true;
-    serde_urlencoded_0_5_2.default = true;
-    tokio_core_0_1_17.default = true;
-    tokio_io_0_1_7.default = true;
-    tokio_tls_0_1_4.default = (f.tokio_tls_0_1_4.default or false);
-    url_1_7_1.default = true;
-    uuid_0_6_5.default = true;
-    uuid_0_6_5.v4 = true;
-  }) [ bytes_0_4_9_features encoding_rs_0_7_2_features futures_0_1_23_features hyper_0_11_27_features hyper_tls_0_1_4_features libflate_0_1_16_features log_0_4_3_features mime_guess_2_0_0_alpha_6_features native_tls_0_1_5_features serde_1_0_70_features serde_json_1_0_24_features serde_urlencoded_0_5_2_features tokio_core_0_1_17_features tokio_io_0_1_7_features tokio_tls_0_1_4_features url_1_7_1_features uuid_0_6_5_features ];
-  rustc_demangle_0_1_9 = { features?(rustc_demangle_0_1_9_features {}) }: rustc_demangle_0_1_9_ {};
-  rustc_demangle_0_1_9_features = f: updateFeatures f (rec {
-    rustc_demangle_0_1_9.default = (f.rustc_demangle_0_1_9.default or true);
-  }) [];
-  safemem_0_2_0 = { features?(safemem_0_2_0_features {}) }: safemem_0_2_0_ {};
-  safemem_0_2_0_features = f: updateFeatures f (rec {
-    safemem_0_2_0.default = (f.safemem_0_2_0.default or true);
-  }) [];
-  schannel_0_1_13 = { features?(schannel_0_1_13_features {}) }: schannel_0_1_13_ {
-    dependencies = mapFeatures features ([ lazy_static_1_0_2 winapi_0_3_5 ]);
-  };
-  schannel_0_1_13_features = f: updateFeatures f (rec {
-    lazy_static_1_0_2.default = true;
-    schannel_0_1_13.default = (f.schannel_0_1_13.default or true);
-    winapi_0_3_5.default = true;
-    winapi_0_3_5.lmcons = true;
-    winapi_0_3_5.minschannel = true;
-    winapi_0_3_5.schannel = true;
-    winapi_0_3_5.securitybaseapi = true;
-    winapi_0_3_5.sysinfoapi = true;
-    winapi_0_3_5.timezoneapi = true;
-    winapi_0_3_5.winbase = true;
-    winapi_0_3_5.wincrypt = true;
-    winapi_0_3_5.winerror = true;
-  }) [ lazy_static_1_0_2_features winapi_0_3_5_features ];
-  scoped_tls_0_1_2 = { features?(scoped_tls_0_1_2_features {}) }: scoped_tls_0_1_2_ {
-    features = mkFeatures (features.scoped_tls_0_1_2 or {});
-  };
-  scoped_tls_0_1_2_features = f: updateFeatures f (rec {
-    scoped_tls_0_1_2.default = (f.scoped_tls_0_1_2.default or true);
-  }) [];
-  scopeguard_0_3_3 = { features?(scopeguard_0_3_3_features {}) }: scopeguard_0_3_3_ {
-    features = mkFeatures (features.scopeguard_0_3_3 or {});
-  };
-  scopeguard_0_3_3_features = f: updateFeatures f (rec {
-    scopeguard_0_3_3.default = (f.scopeguard_0_3_3.default or true);
-    scopeguard_0_3_3.use_std =
-      (f.scopeguard_0_3_3.use_std or false) ||
-      (f.scopeguard_0_3_3.default or false) ||
-      (scopeguard_0_3_3.default or false);
-  }) [];
-  security_framework_0_1_16 = { features?(security_framework_0_1_16_features {}) }: security_framework_0_1_16_ {
-    dependencies = mapFeatures features ([ core_foundation_0_2_3 core_foundation_sys_0_2_3 libc_0_2_42 security_framework_sys_0_1_16 ]);
-    features = mkFeatures (features.security_framework_0_1_16 or {});
-  };
-  security_framework_0_1_16_features = f: updateFeatures f (rec {
-    core_foundation_0_2_3.default = true;
-    core_foundation_sys_0_2_3.default = true;
-    libc_0_2_42.default = true;
-    security_framework_0_1_16.OSX_10_10 =
-      (f.security_framework_0_1_16.OSX_10_10 or false) ||
-      (f.security_framework_0_1_16.OSX_10_11 or false) ||
-      (security_framework_0_1_16.OSX_10_11 or false);
-    security_framework_0_1_16.OSX_10_11 =
-      (f.security_framework_0_1_16.OSX_10_11 or false) ||
-      (f.security_framework_0_1_16.OSX_10_12 or false) ||
-      (security_framework_0_1_16.OSX_10_12 or false);
-    security_framework_0_1_16.OSX_10_8 =
-      (f.security_framework_0_1_16.OSX_10_8 or false) ||
-      (f.security_framework_0_1_16.OSX_10_9 or false) ||
-      (security_framework_0_1_16.OSX_10_9 or false);
-    security_framework_0_1_16.OSX_10_9 =
-      (f.security_framework_0_1_16.OSX_10_9 or false) ||
-      (f.security_framework_0_1_16.OSX_10_10 or false) ||
-      (security_framework_0_1_16.OSX_10_10 or false);
-    security_framework_0_1_16.default = (f.security_framework_0_1_16.default or true);
-    security_framework_sys_0_1_16.OSX_10_10 =
-      (f.security_framework_sys_0_1_16.OSX_10_10 or false) ||
-      (security_framework_0_1_16.OSX_10_10 or false) ||
-      (f.security_framework_0_1_16.OSX_10_10 or false);
-    security_framework_sys_0_1_16.OSX_10_11 =
-      (f.security_framework_sys_0_1_16.OSX_10_11 or false) ||
-      (security_framework_0_1_16.OSX_10_11 or false) ||
-      (f.security_framework_0_1_16.OSX_10_11 or false) ||
-      (security_framework_0_1_16.OSX_10_12 or false) ||
-      (f.security_framework_0_1_16.OSX_10_12 or false);
-    security_framework_sys_0_1_16.OSX_10_8 =
-      (f.security_framework_sys_0_1_16.OSX_10_8 or false) ||
-      (security_framework_0_1_16.OSX_10_8 or false) ||
-      (f.security_framework_0_1_16.OSX_10_8 or false);
-    security_framework_sys_0_1_16.OSX_10_9 =
-      (f.security_framework_sys_0_1_16.OSX_10_9 or false) ||
-      (security_framework_0_1_16.OSX_10_9 or false) ||
-      (f.security_framework_0_1_16.OSX_10_9 or false);
-    security_framework_sys_0_1_16.default = true;
-  }) [ core_foundation_0_2_3_features core_foundation_sys_0_2_3_features libc_0_2_42_features security_framework_sys_0_1_16_features ];
-  security_framework_sys_0_1_16 = { features?(security_framework_sys_0_1_16_features {}) }: security_framework_sys_0_1_16_ {
-    dependencies = mapFeatures features ([ core_foundation_sys_0_2_3 libc_0_2_42 ]);
-    features = mkFeatures (features.security_framework_sys_0_1_16 or {});
-  };
-  security_framework_sys_0_1_16_features = f: updateFeatures f (rec {
-    core_foundation_sys_0_2_3.default = true;
-    libc_0_2_42.default = true;
-    security_framework_sys_0_1_16.OSX_10_10 =
-      (f.security_framework_sys_0_1_16.OSX_10_10 or false) ||
-      (f.security_framework_sys_0_1_16.OSX_10_11 or false) ||
-      (security_framework_sys_0_1_16.OSX_10_11 or false);
-    security_framework_sys_0_1_16.OSX_10_11 =
-      (f.security_framework_sys_0_1_16.OSX_10_11 or false) ||
-      (f.security_framework_sys_0_1_16.OSX_10_12 or false) ||
-      (security_framework_sys_0_1_16.OSX_10_12 or false);
-    security_framework_sys_0_1_16.OSX_10_8 =
-      (f.security_framework_sys_0_1_16.OSX_10_8 or false) ||
-      (f.security_framework_sys_0_1_16.OSX_10_9 or false) ||
-      (security_framework_sys_0_1_16.OSX_10_9 or false);
-    security_framework_sys_0_1_16.OSX_10_9 =
-      (f.security_framework_sys_0_1_16.OSX_10_9 or false) ||
-      (f.security_framework_sys_0_1_16.OSX_10_10 or false) ||
-      (security_framework_sys_0_1_16.OSX_10_10 or false);
-    security_framework_sys_0_1_16.default = (f.security_framework_sys_0_1_16.default or true);
-  }) [ core_foundation_sys_0_2_3_features libc_0_2_42_features ];
-  semver_0_9_0 = { features?(semver_0_9_0_features {}) }: semver_0_9_0_ {
-    dependencies = mapFeatures features ([ semver_parser_0_7_0 ]
-      ++ (if features.semver_0_9_0.serde or false then [ serde_1_0_70 ] else []));
-    features = mkFeatures (features.semver_0_9_0 or {});
-  };
-  semver_0_9_0_features = f: updateFeatures f (rec {
-    semver_0_9_0.default = (f.semver_0_9_0.default or true);
-    semver_0_9_0.serde =
-      (f.semver_0_9_0.serde or false) ||
-      (f.semver_0_9_0.ci or false) ||
-      (semver_0_9_0.ci or false);
-    semver_parser_0_7_0.default = true;
-    serde_1_0_70.default = true;
-  }) [ semver_parser_0_7_0_features serde_1_0_70_features ];
-  semver_parser_0_7_0 = { features?(semver_parser_0_7_0_features {}) }: semver_parser_0_7_0_ {};
-  semver_parser_0_7_0_features = f: updateFeatures f (rec {
-    semver_parser_0_7_0.default = (f.semver_parser_0_7_0.default or true);
-  }) [];
-  serde_1_0_70 = { features?(serde_1_0_70_features {}) }: serde_1_0_70_ {
-    dependencies = mapFeatures features ([]);
-    features = mkFeatures (features.serde_1_0_70 or {});
-  };
-  serde_1_0_70_features = f: updateFeatures f (rec {
-    serde_1_0_70.default = (f.serde_1_0_70.default or true);
-    serde_1_0_70.serde_derive =
-      (f.serde_1_0_70.serde_derive or false) ||
-      (f.serde_1_0_70.derive or false) ||
-      (serde_1_0_70.derive or false);
-    serde_1_0_70.std =
-      (f.serde_1_0_70.std or false) ||
-      (f.serde_1_0_70.default or false) ||
-      (serde_1_0_70.default or false);
-    serde_1_0_70.unstable =
-      (f.serde_1_0_70.unstable or false) ||
-      (f.serde_1_0_70.alloc or false) ||
-      (serde_1_0_70.alloc or false);
-  }) [];
-  serde_derive_1_0_75 = { features?(serde_derive_1_0_75_features {}) }: serde_derive_1_0_75_ {
-    dependencies = mapFeatures features ([ proc_macro2_0_4_9 quote_0_6_4 syn_0_14_5 ]);
-    features = mkFeatures (features.serde_derive_1_0_75 or {});
-  };
-  serde_derive_1_0_75_features = f: updateFeatures f (rec {
-    proc_macro2_0_4_9.default = true;
-    quote_0_6_4.default = true;
-    serde_derive_1_0_75.default = (f.serde_derive_1_0_75.default or true);
-    syn_0_14_5.default = true;
-    syn_0_14_5.visit = true;
-  }) [ proc_macro2_0_4_9_features quote_0_6_4_features syn_0_14_5_features ];
-  serde_json_1_0_24 = { features?(serde_json_1_0_24_features {}) }: serde_json_1_0_24_ {
-    dependencies = mapFeatures features ([ dtoa_0_4_3 itoa_0_4_2 serde_1_0_70 ]);
-    features = mkFeatures (features.serde_json_1_0_24 or {});
-  };
-  serde_json_1_0_24_features = f: updateFeatures f (rec {
-    dtoa_0_4_3.default = true;
-    itoa_0_4_2.default = true;
-    serde_1_0_70.default = true;
-    serde_json_1_0_24.default = (f.serde_json_1_0_24.default or true);
-    serde_json_1_0_24.indexmap =
-      (f.serde_json_1_0_24.indexmap or false) ||
-      (f.serde_json_1_0_24.preserve_order or false) ||
-      (serde_json_1_0_24.preserve_order or false);
-  }) [ dtoa_0_4_3_features itoa_0_4_2_features serde_1_0_70_features ];
-  serde_urlencoded_0_5_2 = { features?(serde_urlencoded_0_5_2_features {}) }: serde_urlencoded_0_5_2_ {
-    dependencies = mapFeatures features ([ dtoa_0_4_3 itoa_0_4_2 serde_1_0_70 url_1_7_1 ]);
-  };
-  serde_urlencoded_0_5_2_features = f: updateFeatures f (rec {
-    dtoa_0_4_3.default = true;
-    itoa_0_4_2.default = true;
-    serde_1_0_70.default = true;
-    serde_urlencoded_0_5_2.default = (f.serde_urlencoded_0_5_2.default or true);
-    url_1_7_1.default = true;
-  }) [ dtoa_0_4_3_features itoa_0_4_2_features serde_1_0_70_features url_1_7_1_features ];
-  siphasher_0_2_3 = { features?(siphasher_0_2_3_features {}) }: siphasher_0_2_3_ {};
-  siphasher_0_2_3_features = f: updateFeatures f (rec {
-    siphasher_0_2_3.default = (f.siphasher_0_2_3.default or true);
-  }) [];
-  slab_0_4_0 = { features?(slab_0_4_0_features {}) }: slab_0_4_0_ {};
-  slab_0_4_0_features = f: updateFeatures f (rec {
-    slab_0_4_0.default = (f.slab_0_4_0.default or true);
-  }) [];
-  strsim_0_7_0 = { features?(strsim_0_7_0_features {}) }: strsim_0_7_0_ {};
-  strsim_0_7_0_features = f: updateFeatures f (rec {
-    strsim_0_7_0.default = (f.strsim_0_7_0.default or true);
-  }) [];
-  syn_0_11_11 = { features?(syn_0_11_11_features {}) }: syn_0_11_11_ {
-    dependencies = mapFeatures features ([ ]
-      ++ (if features.syn_0_11_11.quote or false then [ quote_0_3_15 ] else [])
-      ++ (if features.syn_0_11_11.synom or false then [ synom_0_11_3 ] else [])
-      ++ (if features.syn_0_11_11.unicode-xid or false then [ unicode_xid_0_0_4 ] else []));
-    features = mkFeatures (features.syn_0_11_11 or {});
-  };
-  syn_0_11_11_features = f: updateFeatures f (rec {
-    quote_0_3_15.default = true;
-    syn_0_11_11.default = (f.syn_0_11_11.default or true);
-    syn_0_11_11.parsing =
-      (f.syn_0_11_11.parsing or false) ||
-      (f.syn_0_11_11.default or false) ||
-      (syn_0_11_11.default or false);
-    syn_0_11_11.printing =
-      (f.syn_0_11_11.printing or false) ||
-      (f.syn_0_11_11.default or false) ||
-      (syn_0_11_11.default or false);
-    syn_0_11_11.quote =
-      (f.syn_0_11_11.quote or false) ||
-      (f.syn_0_11_11.printing or false) ||
-      (syn_0_11_11.printing or false);
-    syn_0_11_11.synom =
-      (f.syn_0_11_11.synom or false) ||
-      (f.syn_0_11_11.parsing or false) ||
-      (syn_0_11_11.parsing or false);
-    syn_0_11_11.unicode-xid =
-      (f.syn_0_11_11.unicode-xid or false) ||
-      (f.syn_0_11_11.parsing or false) ||
-      (syn_0_11_11.parsing or false);
-    synom_0_11_3.default = true;
-    unicode_xid_0_0_4.default = true;
-  }) [ quote_0_3_15_features synom_0_11_3_features unicode_xid_0_0_4_features ];
-  syn_0_14_5 = { features?(syn_0_14_5_features {}) }: syn_0_14_5_ {
-    dependencies = mapFeatures features ([ proc_macro2_0_4_9 unicode_xid_0_1_0 ]
-      ++ (if features.syn_0_14_5.quote or false then [ quote_0_6_4 ] else []));
-    features = mkFeatures (features.syn_0_14_5 or {});
-  };
-  syn_0_14_5_features = f: updateFeatures f (rec {
-    proc_macro2_0_4_9.default = (f.proc_macro2_0_4_9.default or false);
-    proc_macro2_0_4_9.proc-macro =
-      (f.proc_macro2_0_4_9.proc-macro or false) ||
-      (syn_0_14_5.proc-macro or false) ||
-      (f.syn_0_14_5.proc-macro or false);
-    quote_0_6_4.default = (f.quote_0_6_4.default or false);
-    quote_0_6_4.proc-macro =
-      (f.quote_0_6_4.proc-macro or false) ||
-      (syn_0_14_5.proc-macro or false) ||
-      (f.syn_0_14_5.proc-macro or false);
-    syn_0_14_5.clone-impls =
-      (f.syn_0_14_5.clone-impls or false) ||
-      (f.syn_0_14_5.default or false) ||
-      (syn_0_14_5.default or false);
-    syn_0_14_5.default = (f.syn_0_14_5.default or true);
-    syn_0_14_5.derive =
-      (f.syn_0_14_5.derive or false) ||
-      (f.syn_0_14_5.default or false) ||
-      (syn_0_14_5.default or false);
-    syn_0_14_5.parsing =
-      (f.syn_0_14_5.parsing or false) ||
-      (f.syn_0_14_5.default or false) ||
-      (syn_0_14_5.default or false);
-    syn_0_14_5.printing =
-      (f.syn_0_14_5.printing or false) ||
-      (f.syn_0_14_5.default or false) ||
-      (syn_0_14_5.default or false);
-    syn_0_14_5.proc-macro =
-      (f.syn_0_14_5.proc-macro or false) ||
-      (f.syn_0_14_5.default or false) ||
-      (syn_0_14_5.default or false);
-    syn_0_14_5.quote =
-      (f.syn_0_14_5.quote or false) ||
-      (f.syn_0_14_5.printing or false) ||
-      (syn_0_14_5.printing or false);
-    unicode_xid_0_1_0.default = true;
-  }) [ proc_macro2_0_4_9_features quote_0_6_4_features unicode_xid_0_1_0_features ];
-  synom_0_11_3 = { features?(synom_0_11_3_features {}) }: synom_0_11_3_ {
-    dependencies = mapFeatures features ([ unicode_xid_0_0_4 ]);
-  };
-  synom_0_11_3_features = f: updateFeatures f (rec {
-    synom_0_11_3.default = (f.synom_0_11_3.default or true);
-    unicode_xid_0_0_4.default = true;
-  }) [ unicode_xid_0_0_4_features ];
-  synstructure_0_6_1 = { features?(synstructure_0_6_1_features {}) }: synstructure_0_6_1_ {
-    dependencies = mapFeatures features ([ quote_0_3_15 syn_0_11_11 ]);
-    features = mkFeatures (features.synstructure_0_6_1 or {});
-  };
-  synstructure_0_6_1_features = f: updateFeatures f (rec {
-    quote_0_3_15.default = true;
-    syn_0_11_11.default = true;
-    syn_0_11_11.visit = true;
-    synstructure_0_6_1.default = (f.synstructure_0_6_1.default or true);
-  }) [ quote_0_3_15_features syn_0_11_11_features ];
-  tempdir_0_3_7 = { features?(tempdir_0_3_7_features {}) }: tempdir_0_3_7_ {
-    dependencies = mapFeatures features ([ rand_0_4_2 remove_dir_all_0_5_1 ]);
-  };
-  tempdir_0_3_7_features = f: updateFeatures f (rec {
-    rand_0_4_2.default = true;
-    remove_dir_all_0_5_1.default = true;
-    tempdir_0_3_7.default = (f.tempdir_0_3_7.default or true);
-  }) [ rand_0_4_2_features remove_dir_all_0_5_1_features ];
-  termcolor_0_3_6 = { features?(termcolor_0_3_6_features {}) }: termcolor_0_3_6_ {
-    dependencies = (if kernel == "windows" then mapFeatures features ([ wincolor_0_1_6 ]) else []);
-  };
-  termcolor_0_3_6_features = f: updateFeatures f (rec {
-    termcolor_0_3_6.default = (f.termcolor_0_3_6.default or true);
-    wincolor_0_1_6.default = true;
-  }) [ wincolor_0_1_6_features ];
-  termion_1_5_1 = { features?(termion_1_5_1_features {}) }: termion_1_5_1_ {
-    dependencies = (if !(kernel == "redox") then mapFeatures features ([ libc_0_2_42 ]) else [])
-      ++ (if kernel == "redox" then mapFeatures features ([ redox_syscall_0_1_40 redox_termios_0_1_1 ]) else []);
-  };
-  termion_1_5_1_features = f: updateFeatures f (rec {
-    libc_0_2_42.default = true;
-    redox_syscall_0_1_40.default = true;
-    redox_termios_0_1_1.default = true;
-    termion_1_5_1.default = (f.termion_1_5_1.default or true);
-  }) [ libc_0_2_42_features redox_syscall_0_1_40_features redox_termios_0_1_1_features ];
-  thread_local_0_3_6 = { features?(thread_local_0_3_6_features {}) }: thread_local_0_3_6_ {
-    dependencies = mapFeatures features ([ lazy_static_1_0_2 ]);
-  };
-  thread_local_0_3_6_features = f: updateFeatures f (rec {
-    lazy_static_1_0_2.default = true;
-    thread_local_0_3_6.default = (f.thread_local_0_3_6.default or true);
-  }) [ lazy_static_1_0_2_features ];
-  time_0_1_40 = { features?(time_0_1_40_features {}) }: time_0_1_40_ {
-    dependencies = mapFeatures features ([ libc_0_2_42 ])
-      ++ (if kernel == "redox" then mapFeatures features ([ redox_syscall_0_1_40 ]) else [])
-      ++ (if kernel == "windows" then mapFeatures features ([ winapi_0_3_5 ]) else []);
-  };
-  time_0_1_40_features = f: updateFeatures f (rec {
-    libc_0_2_42.default = true;
-    redox_syscall_0_1_40.default = true;
-    time_0_1_40.default = (f.time_0_1_40.default or true);
-    winapi_0_3_5.default = true;
-    winapi_0_3_5.minwinbase = true;
-    winapi_0_3_5.minwindef = true;
-    winapi_0_3_5.ntdef = true;
-    winapi_0_3_5.profileapi = true;
-    winapi_0_3_5.std = true;
-    winapi_0_3_5.sysinfoapi = true;
-    winapi_0_3_5.timezoneapi = true;
-  }) [ libc_0_2_42_features redox_syscall_0_1_40_features winapi_0_3_5_features ];
-  tokio_0_1_7 = { features?(tokio_0_1_7_features {}) }: tokio_0_1_7_ {
-    dependencies = mapFeatures features ([ futures_0_1_23 mio_0_6_15 tokio_executor_0_1_2 tokio_fs_0_1_2 tokio_io_0_1_7 tokio_reactor_0_1_2 tokio_tcp_0_1_0 tokio_threadpool_0_1_5 tokio_timer_0_2_4 tokio_udp_0_1_1 ]);
-  };
-  tokio_0_1_7_features = f: updateFeatures f (rec {
-    futures_0_1_23.default = true;
-    mio_0_6_15.default = true;
-    tokio_0_1_7.default = (f.tokio_0_1_7.default or true);
-    tokio_executor_0_1_2.default = true;
-    tokio_fs_0_1_2.default = true;
-    tokio_io_0_1_7.default = true;
-    tokio_reactor_0_1_2.default = true;
-    tokio_tcp_0_1_0.default = true;
-    tokio_threadpool_0_1_5.default = true;
-    tokio_timer_0_2_4.default = true;
-    tokio_udp_0_1_1.default = true;
-  }) [ futures_0_1_23_features mio_0_6_15_features tokio_executor_0_1_2_features tokio_fs_0_1_2_features tokio_io_0_1_7_features tokio_reactor_0_1_2_features tokio_tcp_0_1_0_features tokio_threadpool_0_1_5_features tokio_timer_0_2_4_features tokio_udp_0_1_1_features ];
-  tokio_codec_0_1_0 = { features?(tokio_codec_0_1_0_features {}) }: tokio_codec_0_1_0_ {
-    dependencies = mapFeatures features ([ bytes_0_4_9 futures_0_1_23 tokio_io_0_1_7 ]);
-  };
-  tokio_codec_0_1_0_features = f: updateFeatures f (rec {
-    bytes_0_4_9.default = true;
-    futures_0_1_23.default = true;
-    tokio_codec_0_1_0.default = (f.tokio_codec_0_1_0.default or true);
-    tokio_io_0_1_7.default = true;
-  }) [ bytes_0_4_9_features futures_0_1_23_features tokio_io_0_1_7_features ];
-  tokio_core_0_1_17 = { features?(tokio_core_0_1_17_features {}) }: tokio_core_0_1_17_ {
-    dependencies = mapFeatures features ([ bytes_0_4_9 futures_0_1_23 iovec_0_1_2 log_0_4_3 mio_0_6_15 scoped_tls_0_1_2 tokio_0_1_7 tokio_executor_0_1_2 tokio_io_0_1_7 tokio_reactor_0_1_2 tokio_timer_0_2_4 ]);
-  };
-  tokio_core_0_1_17_features = f: updateFeatures f (rec {
-    bytes_0_4_9.default = true;
-    futures_0_1_23.default = true;
-    iovec_0_1_2.default = true;
-    log_0_4_3.default = true;
-    mio_0_6_15.default = true;
-    scoped_tls_0_1_2.default = true;
-    tokio_0_1_7.default = true;
-    tokio_core_0_1_17.default = (f.tokio_core_0_1_17.default or true);
-    tokio_executor_0_1_2.default = true;
-    tokio_io_0_1_7.default = true;
-    tokio_reactor_0_1_2.default = true;
-    tokio_timer_0_2_4.default = true;
-  }) [ bytes_0_4_9_features futures_0_1_23_features iovec_0_1_2_features log_0_4_3_features mio_0_6_15_features scoped_tls_0_1_2_features tokio_0_1_7_features tokio_executor_0_1_2_features tokio_io_0_1_7_features tokio_reactor_0_1_2_features tokio_timer_0_2_4_features ];
-  tokio_executor_0_1_2 = { features?(tokio_executor_0_1_2_features {}) }: tokio_executor_0_1_2_ {
-    dependencies = mapFeatures features ([ futures_0_1_23 ]);
-    features = mkFeatures (features.tokio_executor_0_1_2 or {});
-  };
-  tokio_executor_0_1_2_features = f: updateFeatures f (rec {
-    futures_0_1_23.default = true;
-    tokio_executor_0_1_2.default = (f.tokio_executor_0_1_2.default or true);
-    tokio_executor_0_1_2.futures2 =
-      (f.tokio_executor_0_1_2.futures2 or false) ||
-      (f.tokio_executor_0_1_2.unstable-futures or false) ||
-      (tokio_executor_0_1_2.unstable-futures or false);
-  }) [ futures_0_1_23_features ];
-  tokio_fs_0_1_2 = { features?(tokio_fs_0_1_2_features {}) }: tokio_fs_0_1_2_ {
-    dependencies = mapFeatures features ([ futures_0_1_23 tokio_io_0_1_7 tokio_threadpool_0_1_5 ]);
-  };
-  tokio_fs_0_1_2_features = f: updateFeatures f (rec {
-    futures_0_1_23.default = true;
-    tokio_fs_0_1_2.default = (f.tokio_fs_0_1_2.default or true);
-    tokio_io_0_1_7.default = true;
-    tokio_threadpool_0_1_5.default = true;
-  }) [ futures_0_1_23_features tokio_io_0_1_7_features tokio_threadpool_0_1_5_features ];
-  tokio_io_0_1_7 = { features?(tokio_io_0_1_7_features {}) }: tokio_io_0_1_7_ {
-    dependencies = mapFeatures features ([ bytes_0_4_9 futures_0_1_23 log_0_4_3 ]);
-  };
-  tokio_io_0_1_7_features = f: updateFeatures f (rec {
-    bytes_0_4_9.default = true;
-    futures_0_1_23.default = true;
-    log_0_4_3.default = true;
-    tokio_io_0_1_7.default = (f.tokio_io_0_1_7.default or true);
-  }) [ bytes_0_4_9_features futures_0_1_23_features log_0_4_3_features ];
-  tokio_reactor_0_1_2 = { features?(tokio_reactor_0_1_2_features {}) }: tokio_reactor_0_1_2_ {
-    dependencies = mapFeatures features ([ futures_0_1_23 log_0_4_3 mio_0_6_15 slab_0_4_0 tokio_executor_0_1_2 tokio_io_0_1_7 ]);
-  };
-  tokio_reactor_0_1_2_features = f: updateFeatures f (rec {
-    futures_0_1_23.default = true;
-    log_0_4_3.default = true;
-    mio_0_6_15.default = true;
-    slab_0_4_0.default = true;
-    tokio_executor_0_1_2.default = true;
-    tokio_io_0_1_7.default = true;
-    tokio_reactor_0_1_2.default = (f.tokio_reactor_0_1_2.default or true);
-  }) [ futures_0_1_23_features log_0_4_3_features mio_0_6_15_features slab_0_4_0_features tokio_executor_0_1_2_features tokio_io_0_1_7_features ];
-  tokio_service_0_1_0 = { features?(tokio_service_0_1_0_features {}) }: tokio_service_0_1_0_ {
-    dependencies = mapFeatures features ([ futures_0_1_23 ]);
-  };
-  tokio_service_0_1_0_features = f: updateFeatures f (rec {
-    futures_0_1_23.default = true;
-    tokio_service_0_1_0.default = (f.tokio_service_0_1_0.default or true);
-  }) [ futures_0_1_23_features ];
-  tokio_tcp_0_1_0 = { features?(tokio_tcp_0_1_0_features {}) }: tokio_tcp_0_1_0_ {
-    dependencies = mapFeatures features ([ bytes_0_4_9 futures_0_1_23 iovec_0_1_2 mio_0_6_15 tokio_io_0_1_7 tokio_reactor_0_1_2 ]);
-    features = mkFeatures (features.tokio_tcp_0_1_0 or {});
-  };
-  tokio_tcp_0_1_0_features = f: updateFeatures f (rec {
-    bytes_0_4_9.default = true;
-    futures_0_1_23.default = true;
-    iovec_0_1_2.default = true;
-    mio_0_6_15.default = true;
-    tokio_io_0_1_7.default = true;
-    tokio_reactor_0_1_2.default = true;
-    tokio_tcp_0_1_0.default = (f.tokio_tcp_0_1_0.default or true);
-    tokio_tcp_0_1_0.futures2 =
-      (f.tokio_tcp_0_1_0.futures2 or false) ||
-      (f.tokio_tcp_0_1_0.unstable-futures or false) ||
-      (tokio_tcp_0_1_0.unstable-futures or false);
-  }) [ bytes_0_4_9_features futures_0_1_23_features iovec_0_1_2_features mio_0_6_15_features tokio_io_0_1_7_features tokio_reactor_0_1_2_features ];
-  tokio_threadpool_0_1_5 = { features?(tokio_threadpool_0_1_5_features {}) }: tokio_threadpool_0_1_5_ {
-    dependencies = mapFeatures features ([ crossbeam_deque_0_3_1 futures_0_1_23 log_0_4_3 num_cpus_1_8_0 rand_0_4_2 tokio_executor_0_1_2 ]);
-  };
-  tokio_threadpool_0_1_5_features = f: updateFeatures f (rec {
-    crossbeam_deque_0_3_1.default = true;
-    futures_0_1_23.default = true;
-    log_0_4_3.default = true;
-    num_cpus_1_8_0.default = true;
-    rand_0_4_2.default = true;
-    tokio_executor_0_1_2.default = true;
-    tokio_threadpool_0_1_5.default = (f.tokio_threadpool_0_1_5.default or true);
-  }) [ crossbeam_deque_0_3_1_features futures_0_1_23_features log_0_4_3_features num_cpus_1_8_0_features rand_0_4_2_features tokio_executor_0_1_2_features ];
-  tokio_timer_0_2_4 = { features?(tokio_timer_0_2_4_features {}) }: tokio_timer_0_2_4_ {
-    dependencies = mapFeatures features ([ futures_0_1_23 tokio_executor_0_1_2 ]);
-  };
-  tokio_timer_0_2_4_features = f: updateFeatures f (rec {
-    futures_0_1_23.default = true;
-    tokio_executor_0_1_2.default = true;
-    tokio_timer_0_2_4.default = (f.tokio_timer_0_2_4.default or true);
-  }) [ futures_0_1_23_features tokio_executor_0_1_2_features ];
-  tokio_tls_0_1_4 = { features?(tokio_tls_0_1_4_features {}) }: tokio_tls_0_1_4_ {
-    dependencies = mapFeatures features ([ futures_0_1_23 native_tls_0_1_5 tokio_core_0_1_17 tokio_io_0_1_7 ])
-      ++ (if !(kernel == "darwin") && !(kernel == "windows") && !(kernel == "ios") then mapFeatures features ([]) else [])
-      ++ (if kernel == "darwin" || kernel == "ios" then mapFeatures features ([]) else [])
-      ++ (if kernel == "windows" then mapFeatures features ([]) else []);
-  };
-  tokio_tls_0_1_4_features = f: updateFeatures f (rec {
-    futures_0_1_23.default = true;
-    native_tls_0_1_5.default = true;
-    tokio_core_0_1_17.default = true;
-    tokio_io_0_1_7.default = true;
-    tokio_tls_0_1_4.default = (f.tokio_tls_0_1_4.default or true);
-  }) [ futures_0_1_23_features native_tls_0_1_5_features tokio_core_0_1_17_features tokio_io_0_1_7_features ];
-  tokio_udp_0_1_1 = { features?(tokio_udp_0_1_1_features {}) }: tokio_udp_0_1_1_ {
-    dependencies = mapFeatures features ([ bytes_0_4_9 futures_0_1_23 log_0_4_3 mio_0_6_15 tokio_codec_0_1_0 tokio_io_0_1_7 tokio_reactor_0_1_2 ]);
-  };
-  tokio_udp_0_1_1_features = f: updateFeatures f (rec {
-    bytes_0_4_9.default = true;
-    futures_0_1_23.default = true;
-    log_0_4_3.default = true;
-    mio_0_6_15.default = true;
-    tokio_codec_0_1_0.default = true;
-    tokio_io_0_1_7.default = true;
-    tokio_reactor_0_1_2.default = true;
-    tokio_udp_0_1_1.default = (f.tokio_udp_0_1_1.default or true);
-  }) [ bytes_0_4_9_features futures_0_1_23_features log_0_4_3_features mio_0_6_15_features tokio_codec_0_1_0_features tokio_io_0_1_7_features tokio_reactor_0_1_2_features ];
-  toml_edit_0_1_3 = { features?(toml_edit_0_1_3_features {}) }: toml_edit_0_1_3_ {
-    dependencies = mapFeatures features ([ chrono_0_4_5 combine_3_3_6 linked_hash_map_0_5_1 ]);
-    features = mkFeatures (features.toml_edit_0_1_3 or {});
-  };
-  toml_edit_0_1_3_features = f: updateFeatures f (rec {
-    chrono_0_4_5.default = true;
-    combine_3_3_6.default = true;
-    linked_hash_map_0_5_1.default = true;
-    toml_edit_0_1_3.default = (f.toml_edit_0_1_3.default or true);
-  }) [ chrono_0_4_5_features combine_3_3_6_features linked_hash_map_0_5_1_features ];
-  try_lock_0_1_0 = { features?(try_lock_0_1_0_features {}) }: try_lock_0_1_0_ {};
-  try_lock_0_1_0_features = f: updateFeatures f (rec {
-    try_lock_0_1_0.default = (f.try_lock_0_1_0.default or true);
-  }) [];
-  ucd_util_0_1_1 = { features?(ucd_util_0_1_1_features {}) }: ucd_util_0_1_1_ {};
-  ucd_util_0_1_1_features = f: updateFeatures f (rec {
-    ucd_util_0_1_1.default = (f.ucd_util_0_1_1.default or true);
-  }) [];
-  unicase_1_4_2 = { features?(unicase_1_4_2_features {}) }: unicase_1_4_2_ {
-    dependencies = mapFeatures features ([]);
-    buildDependencies = mapFeatures features ([ version_check_0_1_4 ]);
-    features = mkFeatures (features.unicase_1_4_2 or {});
-  };
-  unicase_1_4_2_features = f: updateFeatures f (rec {
-    unicase_1_4_2.default = (f.unicase_1_4_2.default or true);
-    unicase_1_4_2.heapsize =
-      (f.unicase_1_4_2.heapsize or false) ||
-      (f.unicase_1_4_2.heap_size or false) ||
-      (unicase_1_4_2.heap_size or false);
-    unicase_1_4_2.heapsize_plugin =
-      (f.unicase_1_4_2.heapsize_plugin or false) ||
-      (f.unicase_1_4_2.heap_size or false) ||
-      (unicase_1_4_2.heap_size or false);
-    version_check_0_1_4.default = true;
-  }) [ version_check_0_1_4_features ];
-  unicase_2_1_0 = { features?(unicase_2_1_0_features {}) }: unicase_2_1_0_ {
-    buildDependencies = mapFeatures features ([ version_check_0_1_4 ]);
-    features = mkFeatures (features.unicase_2_1_0 or {});
-  };
-  unicase_2_1_0_features = f: updateFeatures f (rec {
-    unicase_2_1_0.default = (f.unicase_2_1_0.default or true);
-    version_check_0_1_4.default = true;
-  }) [ version_check_0_1_4_features ];
-  unicode_bidi_0_3_4 = { features?(unicode_bidi_0_3_4_features {}) }: unicode_bidi_0_3_4_ {
-    dependencies = mapFeatures features ([ matches_0_1_7 ]);
-    features = mkFeatures (features.unicode_bidi_0_3_4 or {});
-  };
-  unicode_bidi_0_3_4_features = f: updateFeatures f (rec {
-    matches_0_1_7.default = true;
-    unicode_bidi_0_3_4.default = (f.unicode_bidi_0_3_4.default or true);
-    unicode_bidi_0_3_4.flame =
-      (f.unicode_bidi_0_3_4.flame or false) ||
-      (f.unicode_bidi_0_3_4.flame_it or false) ||
-      (unicode_bidi_0_3_4.flame_it or false);
-    unicode_bidi_0_3_4.flamer =
-      (f.unicode_bidi_0_3_4.flamer or false) ||
-      (f.unicode_bidi_0_3_4.flame_it or false) ||
-      (unicode_bidi_0_3_4.flame_it or false);
-    unicode_bidi_0_3_4.serde =
-      (f.unicode_bidi_0_3_4.serde or false) ||
-      (f.unicode_bidi_0_3_4.with_serde or false) ||
-      (unicode_bidi_0_3_4.with_serde or false);
-  }) [ matches_0_1_7_features ];
-  unicode_normalization_0_1_7 = { features?(unicode_normalization_0_1_7_features {}) }: unicode_normalization_0_1_7_ {};
-  unicode_normalization_0_1_7_features = f: updateFeatures f (rec {
-    unicode_normalization_0_1_7.default = (f.unicode_normalization_0_1_7.default or true);
-  }) [];
-  unicode_width_0_1_5 = { features?(unicode_width_0_1_5_features {}) }: unicode_width_0_1_5_ {
-    features = mkFeatures (features.unicode_width_0_1_5 or {});
-  };
-  unicode_width_0_1_5_features = f: updateFeatures f (rec {
-    unicode_width_0_1_5.default = (f.unicode_width_0_1_5.default or true);
-  }) [];
-  unicode_xid_0_0_4 = { features?(unicode_xid_0_0_4_features {}) }: unicode_xid_0_0_4_ {
-    features = mkFeatures (features.unicode_xid_0_0_4 or {});
-  };
-  unicode_xid_0_0_4_features = f: updateFeatures f (rec {
-    unicode_xid_0_0_4.default = (f.unicode_xid_0_0_4.default or true);
-  }) [];
-  unicode_xid_0_1_0 = { features?(unicode_xid_0_1_0_features {}) }: unicode_xid_0_1_0_ {
-    features = mkFeatures (features.unicode_xid_0_1_0 or {});
-  };
-  unicode_xid_0_1_0_features = f: updateFeatures f (rec {
-    unicode_xid_0_1_0.default = (f.unicode_xid_0_1_0.default or true);
-  }) [];
-  unreachable_1_0_0 = { features?(unreachable_1_0_0_features {}) }: unreachable_1_0_0_ {
-    dependencies = mapFeatures features ([ void_1_0_2 ]);
-  };
-  unreachable_1_0_0_features = f: updateFeatures f (rec {
-    unreachable_1_0_0.default = (f.unreachable_1_0_0.default or true);
-    void_1_0_2.default = (f.void_1_0_2.default or false);
-  }) [ void_1_0_2_features ];
-  url_1_7_1 = { features?(url_1_7_1_features {}) }: url_1_7_1_ {
-    dependencies = mapFeatures features ([ idna_0_1_5 matches_0_1_7 percent_encoding_1_0_1 ]);
-    features = mkFeatures (features.url_1_7_1 or {});
-  };
-  url_1_7_1_features = f: updateFeatures f (rec {
-    idna_0_1_5.default = true;
-    matches_0_1_7.default = true;
-    percent_encoding_1_0_1.default = true;
-    url_1_7_1.default = (f.url_1_7_1.default or true);
-    url_1_7_1.encoding =
-      (f.url_1_7_1.encoding or false) ||
-      (f.url_1_7_1.query_encoding or false) ||
-      (url_1_7_1.query_encoding or false);
-    url_1_7_1.heapsize =
-      (f.url_1_7_1.heapsize or false) ||
-      (f.url_1_7_1.heap_size or false) ||
-      (url_1_7_1.heap_size or false);
-  }) [ idna_0_1_5_features matches_0_1_7_features percent_encoding_1_0_1_features ];
-  utf8_ranges_1_0_0 = { features?(utf8_ranges_1_0_0_features {}) }: utf8_ranges_1_0_0_ {};
-  utf8_ranges_1_0_0_features = f: updateFeatures f (rec {
-    utf8_ranges_1_0_0.default = (f.utf8_ranges_1_0_0.default or true);
-  }) [];
-  uuid_0_6_5 = { features?(uuid_0_6_5_features {}) }: uuid_0_6_5_ {
-    dependencies = mapFeatures features ([ cfg_if_0_1_4 ]
-      ++ (if features.uuid_0_6_5.rand or false then [ rand_0_4_2 ] else []));
-    features = mkFeatures (features.uuid_0_6_5 or {});
-  };
-  uuid_0_6_5_features = f: updateFeatures f (rec {
-    cfg_if_0_1_4.default = true;
-    rand_0_4_2.default = true;
-    uuid_0_6_5.byteorder =
-      (f.uuid_0_6_5.byteorder or false) ||
-      (f.uuid_0_6_5.u128 or false) ||
-      (uuid_0_6_5.u128 or false);
-    uuid_0_6_5.default = (f.uuid_0_6_5.default or true);
-    uuid_0_6_5.md5 =
-      (f.uuid_0_6_5.md5 or false) ||
-      (f.uuid_0_6_5.v3 or false) ||
-      (uuid_0_6_5.v3 or false);
-    uuid_0_6_5.nightly =
-      (f.uuid_0_6_5.nightly or false) ||
-      (f.uuid_0_6_5.const_fn or false) ||
-      (uuid_0_6_5.const_fn or false);
-    uuid_0_6_5.rand =
-      (f.uuid_0_6_5.rand or false) ||
-      (f.uuid_0_6_5.v3 or false) ||
-      (uuid_0_6_5.v3 or false) ||
-      (f.uuid_0_6_5.v4 or false) ||
-      (uuid_0_6_5.v4 or false) ||
-      (f.uuid_0_6_5.v5 or false) ||
-      (uuid_0_6_5.v5 or false);
-    uuid_0_6_5.sha1 =
-      (f.uuid_0_6_5.sha1 or false) ||
-      (f.uuid_0_6_5.v5 or false) ||
-      (uuid_0_6_5.v5 or false);
-    uuid_0_6_5.std =
-      (f.uuid_0_6_5.std or false) ||
-      (f.uuid_0_6_5.default or false) ||
-      (uuid_0_6_5.default or false) ||
-      (f.uuid_0_6_5.use_std or false) ||
-      (uuid_0_6_5.use_std or false);
-  }) [ cfg_if_0_1_4_features rand_0_4_2_features ];
-  vcpkg_0_2_4 = { features?(vcpkg_0_2_4_features {}) }: vcpkg_0_2_4_ {};
-  vcpkg_0_2_4_features = f: updateFeatures f (rec {
-    vcpkg_0_2_4.default = (f.vcpkg_0_2_4.default or true);
-  }) [];
-  version_check_0_1_4 = { features?(version_check_0_1_4_features {}) }: version_check_0_1_4_ {};
-  version_check_0_1_4_features = f: updateFeatures f (rec {
-    version_check_0_1_4.default = (f.version_check_0_1_4.default or true);
-  }) [];
-  void_1_0_2 = { features?(void_1_0_2_features {}) }: void_1_0_2_ {
-    features = mkFeatures (features.void_1_0_2 or {});
-  };
-  void_1_0_2_features = f: updateFeatures f (rec {
-    void_1_0_2.default = (f.void_1_0_2.default or true);
-    void_1_0_2.std =
-      (f.void_1_0_2.std or false) ||
-      (f.void_1_0_2.default or false) ||
-      (void_1_0_2.default or false);
-  }) [];
-  want_0_0_4 = { features?(want_0_0_4_features {}) }: want_0_0_4_ {
-    dependencies = mapFeatures features ([ futures_0_1_23 log_0_4_3 try_lock_0_1_0 ]);
-  };
-  want_0_0_4_features = f: updateFeatures f (rec {
-    futures_0_1_23.default = true;
-    log_0_4_3.default = true;
-    try_lock_0_1_0.default = true;
-    want_0_0_4.default = (f.want_0_0_4.default or true);
-  }) [ futures_0_1_23_features log_0_4_3_features try_lock_0_1_0_features ];
-  winapi_0_2_8 = { features?(winapi_0_2_8_features {}) }: winapi_0_2_8_ {};
-  winapi_0_2_8_features = f: updateFeatures f (rec {
-    winapi_0_2_8.default = (f.winapi_0_2_8.default or true);
-  }) [];
-  winapi_0_3_5 = { features?(winapi_0_3_5_features {}) }: winapi_0_3_5_ {
-    dependencies = (if kernel == "i686-pc-windows-gnu" then mapFeatures features ([ winapi_i686_pc_windows_gnu_0_4_0 ]) else [])
-      ++ (if kernel == "x86_64-pc-windows-gnu" then mapFeatures features ([ winapi_x86_64_pc_windows_gnu_0_4_0 ]) else []);
-    features = mkFeatures (features.winapi_0_3_5 or {});
-  };
-  winapi_0_3_5_features = f: updateFeatures f (rec {
-    winapi_0_3_5.default = (f.winapi_0_3_5.default or true);
-    winapi_i686_pc_windows_gnu_0_4_0.default = true;
-    winapi_x86_64_pc_windows_gnu_0_4_0.default = true;
-  }) [ winapi_i686_pc_windows_gnu_0_4_0_features winapi_x86_64_pc_windows_gnu_0_4_0_features ];
-  winapi_build_0_1_1 = { features?(winapi_build_0_1_1_features {}) }: winapi_build_0_1_1_ {};
-  winapi_build_0_1_1_features = f: updateFeatures f (rec {
-    winapi_build_0_1_1.default = (f.winapi_build_0_1_1.default or true);
-  }) [];
-  winapi_i686_pc_windows_gnu_0_4_0 = { features?(winapi_i686_pc_windows_gnu_0_4_0_features {}) }: winapi_i686_pc_windows_gnu_0_4_0_ {};
-  winapi_i686_pc_windows_gnu_0_4_0_features = f: updateFeatures f (rec {
-    winapi_i686_pc_windows_gnu_0_4_0.default = (f.winapi_i686_pc_windows_gnu_0_4_0.default or true);
-  }) [];
-  winapi_x86_64_pc_windows_gnu_0_4_0 = { features?(winapi_x86_64_pc_windows_gnu_0_4_0_features {}) }: winapi_x86_64_pc_windows_gnu_0_4_0_ {};
-  winapi_x86_64_pc_windows_gnu_0_4_0_features = f: updateFeatures f (rec {
-    winapi_x86_64_pc_windows_gnu_0_4_0.default = (f.winapi_x86_64_pc_windows_gnu_0_4_0.default or true);
-  }) [];
-  wincolor_0_1_6 = { features?(wincolor_0_1_6_features {}) }: wincolor_0_1_6_ {
-    dependencies = mapFeatures features ([ winapi_0_3_5 ]);
-  };
-  wincolor_0_1_6_features = f: updateFeatures f (rec {
-    winapi_0_3_5.consoleapi = true;
-    winapi_0_3_5.default = true;
-    winapi_0_3_5.minwindef = true;
-    winapi_0_3_5.processenv = true;
-    winapi_0_3_5.winbase = true;
-    winapi_0_3_5.wincon = true;
-    wincolor_0_1_6.default = (f.wincolor_0_1_6.default or true);
-  }) [ winapi_0_3_5_features ];
-  ws2_32_sys_0_2_1 = { features?(ws2_32_sys_0_2_1_features {}) }: ws2_32_sys_0_2_1_ {
-    dependencies = mapFeatures features ([ winapi_0_2_8 ]);
-    buildDependencies = mapFeatures features ([ winapi_build_0_1_1 ]);
-  };
-  ws2_32_sys_0_2_1_features = f: updateFeatures f (rec {
-    winapi_0_2_8.default = true;
-    winapi_build_0_1_1.default = true;
-    ws2_32_sys_0_2_1.default = (f.ws2_32_sys_0_2_1.default or true);
-  }) [ winapi_0_2_8_features winapi_build_0_1_1_features ];
-}
diff --git a/pkgs/tools/package-management/cargo-edit/default.nix b/pkgs/tools/package-management/cargo-edit/default.nix
index 19c08541ea6..916dd26a6ab 100644
--- a/pkgs/tools/package-management/cargo-edit/default.nix
+++ b/pkgs/tools/package-management/cargo-edit/default.nix
@@ -1,28 +1,25 @@
-{ stdenv, lib, buildPlatform, fetchgit, fetchFromGitHub, darwin
-, buildRustCrate, defaultCrateOverrides }:
+{ stdenv, lib, darwin, rustPlatform, fetchFromGitHub }:
 
-((import ./Cargo.nix { inherit lib buildPlatform buildRustCrate fetchgit; }).cargo_edit {}).override {
-  crateOverrides = defaultCrateOverrides // {
-    cargo-edit = attrs: rec {
-      name = "cargo-edit-${version}";
-      version = "0.3.0";
+rustPlatform.buildRustPackage rec {
+  name = "cargo-edit-${version}";
+  version = "0.3.0";
 
-      src = fetchFromGitHub {
-        owner = "killercup";
-        repo = "cargo-edit";
-        rev = "v${version}";
-        sha256 = "0ngxyzqy5pfc0fqbvqw7kd40jhqzp67qvpzvh3yggk9yxa1jzsp0";
-      };
+  src = fetchFromGitHub {
+    owner = "killercup";
+    repo = "cargo-edit";
+    rev = "v${version}";
+    sha256 = "0ngxyzqy5pfc0fqbvqw7kd40jhqzp67qvpzvh3yggk9yxa1jzsp0";
+  };
+
+  cargoSha256 = "1j7fqswdx6f2i5wr0pdavdvcv18j1l27a8ighr75p7f54apa27l8";
 
-      propagatedBuildInputs = stdenv.lib.optionals stdenv.isDarwin [ darwin.apple_sdk.frameworks.Security ];
+  propagatedBuildInputs = lib.optional stdenv.isDarwin darwin.apple_sdk.frameworks.Security;
 
-      meta = with stdenv.lib; {
-        description = "A utility for managing cargo dependencies from the command line";
-        homepage = https://github.com/killercup/cargo-edit;
-        license = with licenses; [ mit ];
-        maintainers = with maintainers; [ gerschtli jb55 ];
-        platforms = platforms.all;
-      };
-    };
+  meta = with lib; {
+    description = "A utility for managing cargo dependencies from the command line";
+    homepage = https://github.com/killercup/cargo-edit;
+    license = with licenses; [ mit ];
+    maintainers = with maintainers; [ gerschtli jb55 ];
+    platforms = platforms.all;
   };
 }