these 2 derivations will be built:
  /nix/store/da1k016c6qscy67ca955xiclsc48gpds-iets-release-0.1.0.drv
  /nix/store/vlkvbkvl7swf9fmbf6csl3xqw4yfvgx4-inputDerivation-effect-release.drv
building '/nix/store/da1k016c6qscy67ca955xiclsc48gpds-iets-release-0.1.0.drv'...
building '/nix/store/vlkvbkvl7swf9fmbf6csl3xqw4yfvgx4-inputDerivation-effect-release.drv'...