these 3 derivations will be built:
  /nix/store/cymrpnbr6yf8b1jzqw0f0wakb7qkv5p2-iets-fuzz-diff-0.0.0.drv
  /nix/store/hi316lv62d43b5vvvh4g662k2invg2s1-iets-fuzzers-0.0.0.drv
  /nix/store/qwz6kkmxdgqphzlvz6hhsakrbibk580r-iets-fuzz-parse-check.drv