these 6 derivations will be built:
  /nix/store/3zdskwxpin04227b762l9w4zfk4m8j51-iets-0.1.0.drv
  /nix/store/f54dk21g3gw0vfmy8ii5szqbqq6nmysh-closure-info.drv
  /nix/store/yzg9b0mpha17y5n5yvvzfa7aszr82bhc-test-script.drv
  /nix/store/gzc8hlmvib770c5gbpxafk6n26spdh3n-driverConfiguration.json.drv
  /nix/store/6m8y53y89bg9w2lifnlmil62j0cyjhxh-nixos-test-driver-iets-cachetest.drv
  /nix/store/qhrr672y0ihci5mic8j73i8vlp2zny2j-container-test-run-iets-cachetest.drv