these 4 derivations will be built:
  /nix/store/b6s4f5x1xk2zk79rmf8dfyfvx255z2a4-iets-fuzz-diff-0.0.0.drv
  /nix/store/bgshl3f7xw4jxbrw8qsdr6sjp38bnb3w-iets-0.1.0.drv
  /nix/store/ywwvzzvzvqxjk2jfc6mmzbhznsjlzbqk-iets-conformance-adapter.drv
  /nix/store/gsm6qcwwp83ni1an4fg183mp711c9jsj-nix-conformance-iets.drv