these 3 derivations will be built:
  /nix/store/6ly2ax6mb9ak420g3vqz815cgxnp84qj-source.drv
  /nix/store/014h85ixfzr714fw9qx48d1jvhphhgwq-mcptoon-0.8.32.drv
  /nix/store/4admzjdg02gmkrv6kxy5sx8wm8k630l6-check-mcptoon.drv