these 2 derivations will be built:
  /nix/store/qiwchcnnnxzbsiffj1scnx0g0fc0cqvg-flake-inputs.drv
  /nix/store/15sh4pv5yj44j4g18lngm2s0wpfpdnl8-check-flake-inputs.drv
building '/nix/store/qiwchcnnnxzbsiffj1scnx0g0fc0cqvg-flake-inputs.drv'
building '/nix/store/15sh4pv5yj44j4g18lngm2s0wpfpdnl8-check-flake-inputs.drv'

upload niks3: ok