these 2 derivations will be built:
  /nix/store/ihyg3xzln9b0a7gxbpb3br0h9dm2v98w-iets-fuzzers-0.0.0.drv
  /nix/store/fnlpd2jn2kil0vrwn91g7hpyy9khfnn3-iets-fuzz-parse-check.drv