these 2 derivations will be built:
  /nix/store/ig0spb7wzbghj13wn3n77b6jlwlagj4g-flake-inputs.drv
  /nix/store/3ka3c4xiaykmyrpawym1ihzfqgiw4bdj-check-flake-inputs.drv
building '/nix/store/ig0spb7wzbghj13wn3n77b6jlwlagj4g-flake-inputs.drv'
building '/nix/store/3ka3c4xiaykmyrpawym1ihzfqgiw4bdj-check-flake-inputs.drv'

upload niks3: ok