these 3 derivations will be built:
  /nix/store/963n1h3bw5418kikh5gwfbw7r6hi6sc3-droid.drv
  /nix/store/f0cak41rq8w1vv43hz6ic7ph5082m1cw-droid-0.228.0.drv
  /nix/store/kr737g0gf40v5fnd4ckkhgyb5bjplcba-check-droid.drv