these 2 derivations will be built:
  /nix/store/31nm8a8k2zd8kwsx4psa7jjbr83f219x-driver-configuration.json.drv
  /nix/store/s1rcsldvlf1f5x5w7n26jmhdxrqh8b89-test-driver.drv
building '/nix/store/31nm8a8k2zd8kwsx4psa7jjbr83f219x-driver-configuration.json.drv'
driver-configuration.json> structuredAttrs is enabled
building '/nix/store/s1rcsldvlf1f5x5w7n26jmhdxrqh8b89-test-driver.drv'
test-driver> structuredAttrs is enabled

upload niks3: ok