these 4 derivations will be built:
  /nix/store/b1w8h4r3zjbx6h68rc34d9w3k9c08qlh-iets-fuzz-diff-0.0.0.drv
  /nix/store/rv29whqwaxwcmxsps9s2zw21sr3khjj8-iets-0.1.0.drv
  /nix/store/g39vyyfalckn54i63g4jypig7gx2j3ba-iets-conformance-adapter.drv
  /nix/store/42rdsa3fkj8vam1y6yvjc6spnhf47c5s-nix-conformance-iets.drv