these 6 derivations will be built:
  /nix/store/mqfbns7fhvwgp2vqnafx66s9gy3gjwgc-iets-0.1.0.drv
  /nix/store/px6dq6zb0v3pmf6k5mm77c912djx4nx1-closure-info.drv
  /nix/store/s2zw1va1ws58ri7jn57nwzfr7fydl61i-test-script.drv
  /nix/store/b1kfyngmq00mpzfd70ndz9ws81zjcvv7-driverConfiguration.json.drv
  /nix/store/igilji3yrq6nrs9iqwjgmxrb5qh3sw6z-nixos-test-driver-iets-flaketest.drv
  /nix/store/gc9yvnxww8dv0lhqwc05vnm2hixnkmf0-container-test-run-iets-flaketest.drv