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-rw-r--r--pkgs/development/ruby-modules/gem-config/default.nix6
1 files changed, 6 insertions, 0 deletions
diff --git a/pkgs/development/ruby-modules/gem-config/default.nix b/pkgs/development/ruby-modules/gem-config/default.nix
index 97715659be0d..12b795238891 100644
--- a/pkgs/development/ruby-modules/gem-config/default.nix
+++ b/pkgs/development/ruby-modules/gem-config/default.nix
@@ -320,10 +320,16 @@ in
       rustPlatform.cargoSetupHook
       rustPlatform.bindgenHook
     ];
+    disallowedReferences = [
+      rustc.unwrapped
+    ];
     preBuild = ''
       cat ../.cargo/config > ext/fast_mmaped_file_rs/.cargo/config.toml
       sed -i "s|cargo-vendor-dir|$PWD/../cargo-vendor-dir|" ext/fast_mmaped_file_rs/.cargo/config.toml
     '';
+    postInstall = ''
+      find $out -type f -name .rustc_info.json -delete
+    '';
   };
 
   glib2 = attrs: {