these 4 derivations will be built:
  /nix/store/8ksdaj0haa07j8ldkks05kjb6cvsmbc7-iets-fuzz-diff-0.0.0.drv
  /nix/store/b88dfw6pl3hzx9ikm2vc63gi9wqq8xif-iets-0.1.0.drv
  /nix/store/crcj1rvv77zi4ba4amzaniik7ipilm2b-iets-conformance-adapter.drv
  /nix/store/sagq1rw9vbv3s99r11pk6rvvw0a5f68a-nix-conformance-iets.drv