these 5 derivations will be built:
  /nix/store/nm97dfidrh61fvfvyj90jpqkl3cz30mx-vendor-registry.drv
  /nix/store/5qn1bprh3q8k1g3n41wc0lbi5d7c4y28-vendor-cargo-deps.drv
  /nix/store/f4jm12b9y796pp4gr91m9bdsmfm7gv1h-source.drv
  /nix/store/291gcxkivhfh6zcli67q6nsqx2kfrw11-herdr-eternal-deps-0.1.0.drv
  /nix/store/aam05vcyv42f64dx3n83s7msh8fi55ka-herdr-eternal-clippy-0.1.0.drv