these 2 derivations will be built:
  /nix/store/bj4kvw8gvh6js68f91q2k0133145b6lk-iets-release-0.1.0.drv
  /nix/store/gz5j8l7rbglkglw6ylrwqwiikkymbpw8-inputDerivation-effect-release.drv
building '/nix/store/bj4kvw8gvh6js68f91q2k0133145b6lk-iets-release-0.1.0.drv'...
building '/nix/store/gz5j8l7rbglkglw6ylrwqwiikkymbpw8-inputDerivation-effect-release.drv'...