these 3 derivations will be built:
  /nix/store/89j6il9bcidqz1wk87y95kxvanyrjmxs-iets-fuzzers-0.0.0.drv
  /nix/store/pck9icfv69p8lpiqk7n5hgxi3l50119w-iets-fuzz-diff-0.0.0.drv
  /nix/store/qn6z7rp8phpv611xqqi3jcbkdp34vzjq-iets-fuzz-nar-check.drv