these 2 derivations will be built:
  /nix/store/jkppf17cmrfcxmrcp01vp18sp245b5b7-iets-release-0.1.0.drv
  /nix/store/c91ckix7k7k8rqszbmqwpi8jjh8b4jcf-inputDerivation-effect-release.drv
building '/nix/store/jkppf17cmrfcxmrcp01vp18sp245b5b7-iets-release-0.1.0.drv'...
building '/nix/store/c91ckix7k7k8rqszbmqwpi8jjh8b4jcf-inputDerivation-effect-release.drv'...