these 2 derivations will be built:
  /nix/store/kqkg3xqvx97nrahh2hk47brwsh6ksgfl-driver-configuration.json.drv
  /nix/store/12d4zb0y7h2alw0lhi9n7732n8rj7jqp-test-driver.drv
building '/nix/store/kqkg3xqvx97nrahh2hk47brwsh6ksgfl-driver-configuration.json.drv'
driver-configuration.json> structuredAttrs is enabled
building '/nix/store/12d4zb0y7h2alw0lhi9n7732n8rj7jqp-test-driver.drv'

upload niks3: ok