these 2 derivations will be built:
  /nix/store/j4wg0aa8f10dmawhgjczchri3vjnnn0p-flake-inputs.drv
  /nix/store/2qfxp3adzw1zjjg015kkdhka2piqda0d-check-flake-inputs.drv
building '/nix/store/j4wg0aa8f10dmawhgjczchri3vjnnn0p-flake-inputs.drv'
building '/nix/store/2qfxp3adzw1zjjg015kkdhka2piqda0d-check-flake-inputs.drv'

upload niks3: ok