this derivation will be built:
  /nix/store/zc38qwp5i2bzz06hv2pnb49ihlnq8xc8-check-bb-app.drv
building '/nix/store/zc38qwp5i2bzz06hv2pnb49ihlnq8xc8-check-bb-app.drv'

upload niks3: ok