these 4 derivations will be built:
  /nix/store/fslzhqxsh7if9l02m3sy5pcgfvgzf5hs-iets-fuzz-diff-0.0.0.drv
  /nix/store/x80pxgfdh9s9ychl63w6zkn72bjcszrf-iets-0.1.0.drv
  /nix/store/1mg44kjh1x5d941656ph6rpfj60qf45g-iets-conformance-adapter.drv
  /nix/store/6cdpq54ycv1dvvzmbikbrbh60nbyg8jg-nix-conformance-iets.drv