these 3 derivations will be built:
  /nix/store/4yp7v3swiqnfpdmmkvf9vqkyz3vc1dhs-iets-fuzzers-0.0.0.drv
  /nix/store/chdqjfpjlhmwhayb6whmpc7lnwdqlhha-iets-fuzz-diff-0.0.0.drv
  /nix/store/i7s1h8gsf72pkyvyygwghn1agmszv107-iets-fuzz-parse-check.drv