these 3 derivations will be built:
  /nix/store/nsgd4nb428dkc73p6sd7irvbq8j84k6g-iets-fuzz-diff-0.0.0.drv
  /nix/store/ywq0gpbskfsq9ya87sl6ppwxzph6znsi-iets-fuzzers-0.0.0.drv
  /nix/store/brrpiqikbqgp5436ma7n5l1iqxz9xg7n-iets-fuzz-nar-check.drv