these 2 derivations will be built:
  /nix/store/6gryyshmizak3wh6p6yd0qf1gb31gbiv-flake-inputs.drv
  /nix/store/acbk0wnryjgmxr7lzsqjadkii3c7r323-check-flake-inputs.drv
building '/nix/store/6gryyshmizak3wh6p6yd0qf1gb31gbiv-flake-inputs.drv'
building '/nix/store/acbk0wnryjgmxr7lzsqjadkii3c7r323-check-flake-inputs.drv'

upload niks3: ok