these 2 derivations will be built:
  /nix/store/b2736m25lr0zbkv9f5zj7kjbhdc10azh-flake-inputs.drv
  /nix/store/58q3hgl3l3acfbg6ymhbngp8pnz4fj1i-check-flake-inputs.drv
building '/nix/store/b2736m25lr0zbkv9f5zj7kjbhdc10azh-flake-inputs.drv'
building '/nix/store/58q3hgl3l3acfbg6ymhbngp8pnz4fj1i-check-flake-inputs.drv'

upload niks3: ok