these 3 derivations will be built:
  /nix/store/j89hqzgm9zpcqszr37zv8wkm8hs353pj-source.drv
  /nix/store/73400wlscsnjgdzlavbmvfvh5vjhm5xi-gno-2.9.0.drv
  /nix/store/rjswcvzbcgkbjrxhwaz64yxbvmx6ffb1-check-gno.drv