these 2 derivations will be built:
  /nix/store/zz2kkwwqbcxvqapqvp8ajah4mf04ykm2-iets-0.1.0.drv
  /nix/store/mvx00rss656hw5g3kkdm1kfzfbshiapf-iets-linttest.drv