these 3 derivations will be built:
  /nix/store/0jcvbwfcamdwk01h9i30kgr97lpz8pj7-iets-fuzz-diff-0.0.0.drv
  /nix/store/a0wrdkadr5xlaafq96wfdagbvf6if1n9-iets-fuzzers-0.0.0.drv
  /nix/store/q30b2cqhd4gd9vzpgidchqnvs40mgnq8-iets-fuzz-eval-check.drv