these 2 derivations will be built:
  /nix/store/gvp4ing377czyprg4jxvvdifggqr2p81-flake-inputs.drv
  /nix/store/3909hxg3ms75hasqls02scbbx8fvqipl-check-flake-inputs.drv
building '/nix/store/gvp4ing377czyprg4jxvvdifggqr2p81-flake-inputs.drv'
building '/nix/store/3909hxg3ms75hasqls02scbbx8fvqipl-check-flake-inputs.drv'

upload niks3: ok