these 5 derivations will be built:
  /nix/store/cdri74bxnxh9ymmj02vpq70ax01li5v8-vendor-registry.drv
  /nix/store/dqyvra6bvxpyyc2079yx34z5w2j619xy-source.drv
  /nix/store/l282h6p6cvl5v48rzyccqmgjnh6w2p6d-vendor-cargo-deps.drv
  /nix/store/cpasbpj6dvr2jisgdz744pjv7d47a4qq-herdr-eternal-deps-0.1.0.drv
  /nix/store/db5krzr4002aaiyb6vi2z0hi2kaxmcln-herdr-eternal-clippy-0.1.0.drv