these 2 derivations will be built:
  /nix/store/cs5nbs1m2w9vvh8iqy3sm3mq9zwgqx02-iets-release-0.1.0.drv
  /nix/store/f10hkl9653hhv0kc2ka84jvbwja9jncq-inputDerivation-effect-release.drv
building '/nix/store/cs5nbs1m2w9vvh8iqy3sm3mq9zwgqx02-iets-release-0.1.0.drv'...
building '/nix/store/f10hkl9653hhv0kc2ka84jvbwja9jncq-inputDerivation-effect-release.drv'...