these 3 derivations will be built:
  /nix/store/pkrvqpvpzg26qakdslrn5l94h0zyqc7k-iets-fuzzers-0.0.0.drv
  /nix/store/vxdqm27lackva62wbpavm9bwnsgrca19-iets-fuzz-diff-0.0.0.drv
  /nix/store/4m2hx9m8yqxwa48lkik3lnzgl7rlmvqb-iets-fuzz-parse-check.drv