these 3 derivations will be built:
  /nix/store/4wbqd2sw1vc0800mdgxy8m18z6635w0m-source.drv
  /nix/store/i8pc3ajiyl0q9lp0jzysv9m49djzjnvh-gno-2.8.3.drv
  /nix/store/xffrk2fnq0yqw6hfqnh338nplq5a9mhi-check-gno.drv