{ buildPackages, callPackage }: { rustc, cargo, ... }: rec { rust = { inherit rustc cargo; }; fetchCargoTarball = buildPackages.callPackage ../../../build-support/rust/fetchCargoTarball.nix { inherit cargo; }; buildRustPackage = callPackage ../../../build-support/rust { inherit rustc cargo fetchCargoTarball; }; rustcSrc = callPackage ./rust-src.nix { inherit rustc; }; }