these 3 derivations will be built:
  /nix/store/dm1fdv5ywfsld90r93sgjkn0diazl8s9-iets-fuzz-diff-0.0.0.drv
  /nix/store/mabm8yf637c9zzf64av46ck058j7z7lh-iets-fuzzers-0.0.0.drv
  /nix/store/cmf4smq2hfkpsd3idbcifsly8zbp0v2i-iets-fuzz-drv-check.drv