these 2 derivations will be built:
  /nix/store/0fcp41mw1mxlhdb7yjs7b3x56zwq1xk7-driver-configuration.json.drv
  /nix/store/wvw9djci37fgyx774x0hgj81lpflkr5v-test-driver.drv
building '/nix/store/0fcp41mw1mxlhdb7yjs7b3x56zwq1xk7-driver-configuration.json.drv'
driver-configuration.json> structuredAttrs is enabled
building '/nix/store/wvw9djci37fgyx774x0hgj81lpflkr5v-test-driver.drv'
test-driver> structuredAttrs is enabled

upload niks3: ok