these 2 derivations will be built:
  /nix/store/1v6j278027hdjwyp62x33wm0542hg8wq-driver-configuration.json.drv
  /nix/store/yxsfcqqw0da8rrmr5hr42iz7ifqvfhhv-test-driver.drv
building '/nix/store/1v6j278027hdjwyp62x33wm0542hg8wq-driver-configuration.json.drv'
driver-configuration.json> structuredAttrs is enabled
building '/nix/store/yxsfcqqw0da8rrmr5hr42iz7ifqvfhhv-test-driver.drv'
test-driver> structuredAttrs is enabled

upload niks3: ok