these 2 derivations will be built:
  /nix/store/n3i68rxp5i9jf6hlrbcc0l5spl4chqkc-flake-inputs.drv
  /nix/store/cj8zz7wjnzd44l798z9d1q3xcf306kqh-check-flake-inputs.drv
building '/nix/store/n3i68rxp5i9jf6hlrbcc0l5spl4chqkc-flake-inputs.drv'
building '/nix/store/cj8zz7wjnzd44l798z9d1q3xcf306kqh-check-flake-inputs.drv'

upload niks3: ok