these 4 derivations will be built:
  /nix/store/rfyiapmqmkiz5hn63vlkdiy1c0ka4dzj-crate-cc-1.3.0.tar.gz.drv
  /nix/store/sdp48kiimvynlk6np0xlbf515dkibaxb-cc-1.3.0.drv
  /nix/store/vqavyrqah79nn0i3ggn7jrbw13ai2202-cargo-vendor-dir.drv
  /nix/store/nm7cwg5sm7zbvy49yvb57c314rx07xb7-nix-ld.drv