this derivation will be built:
  /nix/store/b9sslxk8ymbf3b9qxk0k4n78hxv6r5z6-flake-inputs.drv
building '/nix/store/b9sslxk8ymbf3b9qxk0k4n78hxv6r5z6-flake-inputs.drv'

upload niks3: ok