these 2 derivations will be built:
  /nix/store/vnvd9qvx5yqx3qncviky7f4djaxsyfhg-iets-release-0.2.0.drv
  /nix/store/x3wxzplqi35sksnqxb031812nxkqz05k-inputDerivation-effect-release.drv
building '/nix/store/vnvd9qvx5yqx3qncviky7f4djaxsyfhg-iets-release-0.2.0.drv'...
building '/nix/store/x3wxzplqi35sksnqxb031812nxkqz05k-inputDerivation-effect-release.drv'...