these 2 derivations will be built:
  /nix/store/31rcq96hc8dz2nz5jn2p1kwwiz8p8752-driver-configuration.json.drv
  /nix/store/csah11yw4abav54rmfqmvmmsl8q7ja52-test-driver.drv
building '/nix/store/31rcq96hc8dz2nz5jn2p1kwwiz8p8752-driver-configuration.json.drv'
driver-configuration.json> structuredAttrs is enabled
building '/nix/store/csah11yw4abav54rmfqmvmmsl8q7ja52-test-driver.drv'
test-driver> structuredAttrs is enabled

upload niks3: ok