1 files changed, 1 insertions, 1 deletions
diff --git a/nixpkgs/pkgs/development/compilers/rust/default.nix b/nixpkgs/pkgs/development/compilers/rust/default.nix
index d56b6fb9e08e..c08ffa848ef5 100644
--- a/nixpkgs/pkgs/development/compilers/rust/default.nix
+++ b/nixpkgs/pkgs/development/compilers/rust/default.nix
@@ -62,7 +62,7 @@ in
       bootRustPlatform = makeRustPlatform bootstrapRustPackages;
     in {
       # Packages suitable for build-time, e.g. `build.rs`-type stuff.
-      buildRustPackages = (selectRustPackage buildPackages).packages.stable;
+      buildRustPackages = (selectRustPackage buildPackages).packages.stable // { __attrsFailEvaluation = true; };
       # Analogous to stdenv
       rustPlatform = makeRustPlatform self.buildRustPackages;
       rustc-unwrapped = self.callPackage ./rustc.nix ({