these 2 derivations will be built:
  /nix/store/zsvj00gcy9aaf2hr4mzxbbk61qxl5p80-iets-release-0.2.0.drv
  /nix/store/5286lz2g3l0rdhlgl7zd8gkyxpzrc77b-inputDerivation-effect-release.drv
building '/nix/store/zsvj00gcy9aaf2hr4mzxbbk61qxl5p80-iets-release-0.2.0.drv'...
building '/nix/store/5286lz2g3l0rdhlgl7zd8gkyxpzrc77b-inputDerivation-effect-release.drv'...