these 3 derivations will be built:
  /nix/store/d7jr3dipz12ri2b1cr0gymmgp6vc2vi6-iets-fuzz-diff-0.0.0.drv
  /nix/store/w8684lj41q8xilvy0mxfl0wbv8br2j77-iets-fuzzers-0.0.0.drv
  /nix/store/c2k2bzj5m72lkrfvlrqzixhnlqjrpq9w-iets-fuzz-drv-check.drv