these 6 derivations will be built:
  /nix/store/gh89mfggkjlwvibzybis63x6f7cmhf1h-iets-0.1.0.drv
  /nix/store/mxm0kd5kmdj02r56kxd75h6lp6ns0b83-closure-info.drv
  /nix/store/62l8c822n88y2azmr63i5y8yvsbp4q85-test-script.drv
  /nix/store/ai47fzrhccfaa7by5khymi3aib8irf2j-driverConfiguration.json.drv
  /nix/store/q5c3vki5q1c8wd3mlbx0217hjk029kgi-nixos-test-driver-iets-plumbing-e2e.drv
  /nix/store/z8dzlmj31glanjj8haac7yz0ypw3pd31-container-test-run-iets-plumbing-e2e.drv