these 6 derivations will be built:
  /nix/store/y93b2viy5zklxaxn6vwckvch240k2lb9-iets-0.1.0.drv
  /nix/store/39g00wjj6k4blmpnfbx6shqp88b6ialc-closure-info.drv
  /nix/store/pddj5pzw3nh7dg8hm6i5rrhp2bx161ld-test-script.drv
  /nix/store/aazzgv6mnsvw99rhvzwp2ghgh10ppfvi-driverConfiguration.json.drv
  /nix/store/cfajc0h8r68bb955pdfp19ip12vbd8zg-nixos-test-driver-iets-grpc-e2e.drv
  /nix/store/jsshqr7pxgnf21bc00mw5l4wsfykknwr-container-test-run-iets-grpc-e2e.drv