these 2 derivations will be built:
  /nix/store/bjaglsh6gq71yg9iy70if0fflz82vwjr-flake-inputs.drv
  /nix/store/ksif6l823175z01z6xkcgjcsvxd2hivl-check-flake-inputs.drv
building '/nix/store/bjaglsh6gq71yg9iy70if0fflz82vwjr-flake-inputs.drv'
building '/nix/store/ksif6l823175z01z6xkcgjcsvxd2hivl-check-flake-inputs.drv'

upload niks3: ok