these 6 derivations will be built:
  /nix/store/p64shmm4ccw3gbgr8j747md6cb8ddmln-iets-0.1.0.drv
  /nix/store/9j17qbnjipg285iy83anfa45qdv0qsjn-closure-info.drv
  /nix/store/vkxrj9zl5v6lq5svdzafip15xjn84dzd-test-script.drv
  /nix/store/hqqk1vxf0lhg6y1wcjf5zzi5lgcygf3m-driverConfiguration.json.drv
  /nix/store/kdjfbgnnm8xwpi0lsp72pyiq3d4hj4qn-nixos-test-driver-iets-grpc-e2e.drv
  /nix/store/mb3z19mari3lni57131cc9dy84di4208-container-test-run-iets-grpc-e2e.drv