these 6 derivations will be built:
  /nix/store/gsncmbn9aw9fsrgn7ni2bxy281y1jwmr-iets-0.1.0.drv
  /nix/store/yidrl5v2ki9zsp3kdl4i66sph6gl0kh0-closure-info.drv
  /nix/store/krpq60y8rd16kyzr8w69px0zv3icn5b7-test-script.drv
  /nix/store/3kb2npb7cvvsk8w0j7s5801bhddl72p6-driverConfiguration.json.drv
  /nix/store/1zf4chkmxrdl88lb0syp8wc9ma7fnbc7-nixos-test-driver-iets-cachetest.drv
  /nix/store/zf1zrk6c8kiw5scgm669cl60svg7wq3z-container-test-run-iets-cachetest.drv