these 4 derivations will be built:
  /nix/store/j7wl134j3di79bmc6r6k2avpsj5iygmj-crate-cc-1.4.4.tar.gz.drv
  /nix/store/hj7y3d4273b5cd97z0igc9plfalzyyc9-cc-1.4.4.drv
  /nix/store/1qg73y46k3r7k2vjryhc7v2sfkc8k4fd-cargo-vendor-dir.drv
  /nix/store/s4sbyjxvjys6xpmvmvfag6pqsjngiz8h-nix-ld.drv