these 3 derivations will be built:
  /nix/store/rclj1ssksb2np980xiwwp18s4amijjmp-test-script.drv
  /nix/store/cf35sfyshqicffpnd89lqd2xp55i48fi-driver-configuration.json.drv
  /nix/store/svhj04bzkya1zzrh2lpk9pdy0bisiaqn-test-driver.drv
building '/nix/store/rclj1ssksb2np980xiwwp18s4amijjmp-test-script.drv'
test-script> structuredAttrs is enabled
building '/nix/store/cf35sfyshqicffpnd89lqd2xp55i48fi-driver-configuration.json.drv'
driver-configuration.json> structuredAttrs is enabled
building '/nix/store/svhj04bzkya1zzrh2lpk9pdy0bisiaqn-test-driver.drv'
test-driver> structuredAttrs is enabled

upload niks3: ok