these 6 derivations will be built:
  /nix/store/byjzrnh28kds46d7hiqx42nxy90x9px3-iets-0.1.0.drv
  /nix/store/m7bxkgz5pcns2y1sn2z940hjxz6amjis-closure-info.drv
  /nix/store/7082m8i1ydb1n3irfprc8kwhpcnirajz-test-script.drv
  /nix/store/b7hgdpaaiwmzp4yfslkhahimwgrdbadm-driverConfiguration.json.drv
  /nix/store/5n43bg6xvqh2kd10mz6xs5kz4hjcs3gy-nixos-test-driver-iets-grpc-e2e.drv
  /nix/store/vvwgclscknmcks5jmbpad109sm64634i-container-test-run-iets-grpc-e2e.drv