these 3 derivations will be built:
  /nix/store/in5lwvnf8641bxb54hfx73y8r9mwadzg-droid.drv
  /nix/store/29wy78wqwz5c6c40c9ddjb81clp0xah5-droid-0.224.0.drv
  /nix/store/mfjsn0hg56qykrvgg1swc1vvp6ys0jpb-check-droid.drv