these 3 derivations will be built:
  /nix/store/lb8cqwif2fdgzp3aqqcx38g69ic6sbjf-iets-fuzzers-0.0.0.drv
  /nix/store/xxgvpl9isww09iq6ag4p6kah51ncdr8q-iets-fuzz-diff-0.0.0.drv
  /nix/store/gq0dz27z7x253rva09nsw7hr5jmb5v5m-iets-fuzz-drv-check.drv