these 2 derivations will be built:
  /nix/store/klk6d84660xyqjm0xbfcp24m3nha5sxq-flake-inputs.drv
  /nix/store/vklk62wj4yfiawdfrvniixsy0pkx2ibx-check-flake-inputs.drv
building '/nix/store/klk6d84660xyqjm0xbfcp24m3nha5sxq-flake-inputs.drv'
building '/nix/store/vklk62wj4yfiawdfrvniixsy0pkx2ibx-check-flake-inputs.drv'

upload niks3: ok