these 2 derivations will be built:
  /nix/store/s4c4hx27kxd5yfadwv9kwkppk6j53r1q-iets-release-0.1.0.drv
  /nix/store/gnvbvyiis1gi774g95665fs3hbshdx87-inputDerivation-effect-release.drv
building '/nix/store/s4c4hx27kxd5yfadwv9kwkppk6j53r1q-iets-release-0.1.0.drv'...
building '/nix/store/gnvbvyiis1gi774g95665fs3hbshdx87-inputDerivation-effect-release.drv'...