these 2 derivations will be built:
  /nix/store/s48b2k0bjz4p6zw0hnhs71jhgpigb9x0-iets-0.1.0.drv
  /nix/store/9h48izpnn3hzjjmr3l4vkn7zr1zlc427-iets-linttest.drv