these 6 derivations will be built:
  /nix/store/adyn7ai8pbgm9xbbg57gwc2g7mcprggv-iets-0.1.0.drv
  /nix/store/vrxhxichcfgxb9d7fvqh75ma1jsn2j4k-closure-info.drv
  /nix/store/rmwjkm5sg5ncplya3v1ykpxpjlbzyjqv-test-script.drv
  /nix/store/ljqa3sll0g5z02rlj0dxnlx8rvhzplx0-driverConfiguration.json.drv
  /nix/store/2k8ryksx2ga23bhn5xgpkmp6fighvbbn-nixos-test-driver-iets-grpc-e2e.drv
  /nix/store/w1l2d8b0qzjgw1h5akyasx3d2b0029cv-container-test-run-iets-grpc-e2e.drv