these 2 derivations will be built:
  /nix/store/9wjvgc6yqfnahkwnq356nb313kv5z8h9-iets-release-0.1.0.drv
  /nix/store/pan4hbmnxx8cv64xb1dq6fw0s962xdw5-inputDerivation-effect-release.drv
building '/nix/store/9wjvgc6yqfnahkwnq356nb313kv5z8h9-iets-release-0.1.0.drv'...
building '/nix/store/pan4hbmnxx8cv64xb1dq6fw0s962xdw5-inputDerivation-effect-release.drv'...