these 3 derivations will be built:
  /nix/store/4w7dx9cxlz7q95ivl06kgqskd8qgq6d6-source.drv
  /nix/store/bcd4nb39vgx6s56z00rsyj6jw66r0jm0-gno-2.9.1.drv
  /nix/store/mzqpkzx64cszb706vi76jzkvbagszpis-check-gno.drv