these 3 derivations will be built:
  /nix/store/19p1s7zaiv72ifcgahav8wxnkx6vcvz7-iets-fuzz-diff-0.0.0.drv
  /nix/store/dlns5c3mjsbd5sjs6sy2ay5hzrr9w837-iets-fuzzers-0.0.0.drv
  /nix/store/awdj4abinv16c2jsffg2aq6qqw1l2vaj-iets-fuzz-drv-eval-check.drv