these 4 derivations will be built:
  /nix/store/581fnaxz8d6s75nhm2c21hfcr8vwmxqh-iets-fuzz-diff-0.0.0.drv
  /nix/store/i6almmkynqlxkz8jri1ikvpgci19dapa-iets-0.1.0.drv
  /nix/store/sydikribma9cyw6qap5ai52q77gyagc3-iets-conformance-adapter.drv
  /nix/store/9fsfqprab636vli7lsjghq3k20gq58a8-nix-conformance-iets.drv