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-rw-r--r--pkgs/build-support/rust/build-rust-crate/build-crate.nix3
-rw-r--r--pkgs/build-support/rust/build-rust-crate/configure-crate.nix10
-rw-r--r--pkgs/build-support/rust/build-rust-crate/default.nix11
3 files changed, 9 insertions, 15 deletions
diff --git a/pkgs/build-support/rust/build-rust-crate/build-crate.nix b/pkgs/build-support/rust/build-rust-crate/build-crate.nix
index 944434472b0..e842b6a3f50 100644
--- a/pkgs/build-support/rust/build-rust-crate/build-crate.nix
+++ b/pkgs/build-support/rust/build-rust-crate/build-crate.nix
@@ -1,6 +1,5 @@
 { lib, stdenv
 , mkRustcDepArgs, mkRustcFeatureArgs, needUnstableCLI
-, rust
 }:
 
 { crateName,
@@ -21,7 +20,7 @@
         (mkRustcDepArgs dependencies crateRenames)
         (mkRustcFeatureArgs crateFeatures)
       ] ++ lib.optionals (stdenv.hostPlatform != stdenv.buildPlatform) [
-        "--target" (rust.toRustTargetSpec stdenv.hostPlatform)
+        "--target" stdenv.hostPlatform.rust.rustcTargetSpec
       ] ++ lib.optionals (needUnstableCLI dependencies) [
         "-Z" "unstable-options"
       ] ++ extraRustcOpts
diff --git a/pkgs/build-support/rust/build-rust-crate/configure-crate.nix b/pkgs/build-support/rust/build-rust-crate/configure-crate.nix
index 60310f17874..a6f2528a82b 100644
--- a/pkgs/build-support/rust/build-rust-crate/configure-crate.nix
+++ b/pkgs/build-support/rust/build-rust-crate/configure-crate.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, rust, echo_colored, noisily, mkRustcDepArgs, mkRustcFeatureArgs }:
+{ lib, stdenv, echo_colored, noisily, mkRustcDepArgs, mkRustcFeatureArgs }:
 {
   build
 , buildDependencies
@@ -124,8 +124,8 @@ in ''
   export CARGO_PKG_AUTHORS="${authors}"
   export CARGO_PKG_DESCRIPTION="${crateDescription}"
 
-  export CARGO_CFG_TARGET_ARCH=${rust.toTargetArch stdenv.hostPlatform}
-  export CARGO_CFG_TARGET_OS=${rust.toTargetOs stdenv.hostPlatform}
+  export CARGO_CFG_TARGET_ARCH=${stdenv.hostPlatform.rust.platform.arch}
+  export CARGO_CFG_TARGET_OS=${stdenv.hostPlatform.rust.platform.os}
   export CARGO_CFG_TARGET_FAMILY="unix"
   export CARGO_CFG_UNIX=1
   export CARGO_CFG_TARGET_ENV="gnu"
@@ -136,8 +136,8 @@ in ''
   export CARGO_MANIFEST_DIR=$(pwd)
   export DEBUG="${toString (!release)}"
   export OPT_LEVEL="${toString optLevel}"
-  export TARGET="${rust.toRustTargetSpec stdenv.hostPlatform}"
-  export HOST="${rust.toRustTargetSpec stdenv.buildPlatform}"
+  export TARGET="${stdenv.hostPlatform.rust.rustcTargetSpec}"
+  export HOST="${stdenv.buildPlatform.rust.rustcTargetSpec}"
   export PROFILE=${if release then "release" else "debug"}
   export OUT_DIR=$(pwd)/target/build/${crateName}.out
   export CARGO_PKG_VERSION_MAJOR=${lib.elemAt version 0}
diff --git a/pkgs/build-support/rust/build-rust-crate/default.nix b/pkgs/build-support/rust/build-rust-crate/default.nix
index d977fb9f7c2..d569142af66 100644
--- a/pkgs/build-support/rust/build-rust-crate/default.nix
+++ b/pkgs/build-support/rust/build-rust-crate/default.nix
@@ -10,7 +10,6 @@
 , fetchCrate
 , pkgsBuildBuild
 , rustc
-, rust
 , cargo
 , jq
 , libiconv
@@ -71,18 +70,14 @@ let
   inherit (import ./log.nix { inherit lib; }) noisily echo_colored;
 
   configureCrate = import ./configure-crate.nix {
-    inherit lib stdenv rust echo_colored noisily mkRustcDepArgs mkRustcFeatureArgs;
+    inherit lib stdenv echo_colored noisily mkRustcDepArgs mkRustcFeatureArgs;
   };
 
   buildCrate = import ./build-crate.nix {
-    inherit lib stdenv mkRustcDepArgs mkRustcFeatureArgs needUnstableCLI rust;
+    inherit lib stdenv mkRustcDepArgs mkRustcFeatureArgs needUnstableCLI;
   };
 
   installCrate = import ./install-crate.nix { inherit stdenv; };
-
-  # Allow access to the rust attribute set from inside buildRustCrate, which
-  # has a parameter that shadows the name.
-  rustAttrs = rust;
 in
 
   /* The overridable pkgs.buildRustCrate function.
@@ -310,7 +305,7 @@ crate_: lib.makeOverridable
           depsMetadata = lib.foldl' (str: dep: str + dep.metadata) "" (dependencies ++ buildDependencies);
           hashedMetadata = builtins.hashString "sha256"
             (crateName + "-" + crateVersion + "___" + toString (mkRustcFeatureArgs crateFeatures) +
-              "___" + depsMetadata + "___" + rustAttrs.toRustTarget stdenv.hostPlatform);
+              "___" + depsMetadata + "___" + stdenv.hostPlatform.rust.rustcTarget);
         in
         lib.substring 0 10 hashedMetadata;