these 3 derivations will be built:
  /nix/store/5lk109jpf3nnr6w3zgqwircx0hlldfks-iets-fuzzers-0.0.0.drv
  /nix/store/wsi4jkxniwqy6xnmpxina5cmz2b3rgax-iets-fuzz-diff-0.0.0.drv
  /nix/store/s6v94ma4yq0wjhpx2015bd6sk1v2a1h1-iets-fuzz-parse-check.drv