these 2 derivations will be built:
  /nix/store/b8ivx80sqac5hpc2bxr8s68f1phnn45z-driver-configuration.json.drv
  /nix/store/zlkiz9gi1krb727clw2pp12al7i0kcj1-test-driver.drv
building '/nix/store/b8ivx80sqac5hpc2bxr8s68f1phnn45z-driver-configuration.json.drv'
driver-configuration.json> structuredAttrs is enabled
building '/nix/store/zlkiz9gi1krb727clw2pp12al7i0kcj1-test-driver.drv'
test-driver> structuredAttrs is enabled

upload niks3: ok