these 3 derivations will be built:
  /nix/store/y8biy5s08wpgmmsv7xqjg17plm7k45dz-similar-3.2.0.drv
  /nix/store/x4lxwbyxaavpcxbr1nb0w4lg6rg0yz8r-cargo-vendor-dir.drv
  /nix/store/qjq9i4pr88mlgnziix3irkcjwsbdpidn-nix-diff-0.1.0.drv