these 3 derivations will be built:
  /nix/store/2lhgzbcwvjan2ls57c26ilvyy5yciqvq-iets-fuzzers-0.0.0.drv
  /nix/store/dpbn6kj30b2y9fn0230wb6cvvkslnlqa-iets-fuzz-diff-0.0.0.drv
  /nix/store/4qq7zma4jqhkl3s3z1q1w4ff07kd9km8-iets-fuzz-drv-check.drv