these 4 derivations will be built:
  /nix/store/2950m4mqgy7m60gv7ncaffff7n6zwb2l-iets-fuzz-diff-0.0.0.drv
  /nix/store/6bq9wipnzz5pria0jaqrcfzvk6ga8j6p-iets-0.1.0.drv
  /nix/store/c289v1b7zpx9i8fcwsn9f1dz31naibgg-iets-conformance-adapter.drv
  /nix/store/f4b974vacfxhsk5z56afvf3c314ck251-nix-conformance-iets.drv