these 2 derivations will be built:
  /nix/store/j4b13q8hsinz5n63j3zy2ffbp6h2d7r4-cargo-vendor-dir.drv
  /nix/store/1ww8l6c1vc15y8v6j7b50cq2nqbyw808-horae-clippy-0.1.0.drv