these 3 derivations will be built:
  /nix/store/rp3687kmlh2npn9avqn9mgis58kwn030-droid.drv
  /nix/store/bq0h0v4nzqpm9nv3iqg034mpmyaipbki-droid-1.7.0.drv
  /nix/store/cf46b1y2d1nfis9b9v6pgpkialnp329f-check-droid.drv