these 2 derivations will be built:
  /nix/store/ss89wxwc76h42g304fghqm22h7s19xs3-driver-configuration.json.drv
  /nix/store/j768bj3siyy01cvibgp6kvh8cgai9qvj-test-driver.drv
building '/nix/store/ss89wxwc76h42g304fghqm22h7s19xs3-driver-configuration.json.drv'
driver-configuration.json> structuredAttrs is enabled
building '/nix/store/j768bj3siyy01cvibgp6kvh8cgai9qvj-test-driver.drv'

upload niks3: ok