these 4 derivations will be built:
  /nix/store/2bi2cac0ccy0iikajpkn4lqfsh6s58xw-iets-0.1.0.drv
  /nix/store/62hflkqickqli30qkk6v65pyp39y8mjd-iets-fuzz-diff-0.0.0.drv
  /nix/store/0h8n2grgzli0970xj3j4gjha14dcb781-iets-conformance-adapter.drv
  /nix/store/71h997h3xy8hj8j2s65nslj98kfq3d52-nix-conformance-iets.drv