these 2 derivations will be built:
  /nix/store/wzidlcqcxjn2w2w0glc454cmclc43l0d-driver-configuration.json.drv
  /nix/store/5p5a45dhbwrd1fslyqcj8w8kmx29h7qa-test-driver.drv
building '/nix/store/wzidlcqcxjn2w2w0glc454cmclc43l0d-driver-configuration.json.drv'
driver-configuration.json> structuredAttrs is enabled
building '/nix/store/5p5a45dhbwrd1fslyqcj8w8kmx29h7qa-test-driver.drv'
test-driver> structuredAttrs is enabled

upload niks3: ok