these 5 derivations will be built:
  /nix/store/21qdc065j7v9r6nhrc55h08w86lic6b5-vendor-registry.drv
  /nix/store/j3q6v0xj709c92dxnbfn324bm8bf8n7l-vendor-cargo-deps.drv
  /nix/store/yhwmgz8vv6s6nq6qva156ki75102gi4d-source.drv
  /nix/store/78h4gd0dzcv7qca6634iqbxrd1m7wqv3-herdr-eternal-deps-0.1.0.drv
  /nix/store/8n1qaky1g3p54pdn85hl3asjrgx5gdyv-herdr-eternal-clippy-0.1.0.drv