these 3 derivations will be built:
  /nix/store/61qqv6qyk9zlv1wabciv3hdkqh7srz5j-iets-fuzzers-0.0.0.drv
  /nix/store/hiwfmqwdiisazsy6b3rj5xd0c797mm26-iets-fuzz-diff-0.0.0.drv
  /nix/store/z9jfb2610l3d9331xci9as92f9a1mp2a-iets-fuzz-drv-check.drv