these 2 derivations will be built:
  /nix/store/7dyq4qypyqhxamxbm4zbw2a9qcf5fs6k-iets-release-0.1.0.drv
  /nix/store/mixrwivq0bmpv5qki1kj4qrd72yn1340-inputDerivation-effect-release.drv
building '/nix/store/7dyq4qypyqhxamxbm4zbw2a9qcf5fs6k-iets-release-0.1.0.drv'...
building '/nix/store/mixrwivq0bmpv5qki1kj4qrd72yn1340-inputDerivation-effect-release.drv'...