these 6 derivations will be built:
  /nix/store/gkamkqj89gwwzci434irlb2jx01sv39m-iets-0.1.0.drv
  /nix/store/mc4ma079hqxxbzppqc07fb62dvb4yhd3-closure-info.drv
  /nix/store/9jqqpyy7w1g4ci6hcqwah96f6dyqn2fb-test-script.drv
  /nix/store/2s3fqqpv0w7zf3ms8nq78bzqj04mwzfa-driverConfiguration.json.drv
  /nix/store/l2dlh6shz7qdmv61gn8g49751xlc1a5n-nixos-test-driver-iets-flaketest.drv
  /nix/store/39rpv8dznl809674hfxa8fsx7n0pqyln-container-test-run-iets-flaketest.drv