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-rw-r--r--pkgs/build-support/rust/build-rust-crate/default.nix5
1 files changed, 4 insertions, 1 deletions
diff --git a/pkgs/build-support/rust/build-rust-crate/default.nix b/pkgs/build-support/rust/build-rust-crate/default.nix
index fc43d78650a..c7a5122da98 100644
--- a/pkgs/build-support/rust/build-rust-crate/default.nix
+++ b/pkgs/build-support/rust/build-rust-crate/default.nix
@@ -126,7 +126,10 @@ stdenv.mkDerivation (rec {
     colors = lib.attrByPath [ "colors" ] "always" crate;
     extraLinkFlags = lib.concatStringsSep " " (crate.extraLinkFlags or []);
     edition = crate.edition or null;
-    extraRustcOpts = lib.optionals (crate ? extraRustcOpts) crate.extraRustcOpts ++ extraRustcOpts_ ++ (lib.optional (edition != null) "--edition ${edition}");
+    extraRustcOpts =
+      lib.optionals (crate ? extraRustcOpts) crate.extraRustcOpts
+      ++ extraRustcOpts_
+      ++ (lib.optional (edition != null) "--edition ${edition}");
 
     configurePhase = configureCrate {
       inherit crateName buildDependencies completeDeps completeBuildDeps crateDescription