these 2 derivations will be built:
  /nix/store/00g2qz9i6j3x4lhkcdcnh6j95zv7r16n-omnigraph-deps-0.8.1.drv
  /nix/store/dc81iq6k15xmzp4gdg8v8nxyj4iaxzgw-omnigraph-cli-0.8.1.drv