these 2 derivations will be built:
  /nix/store/87kvbq26z32qq1546nd6qq40rg31zb0j-flake-inputs.drv
  /nix/store/kds96hiffbib4l7nwg9kcdbfah9kh2p1-check-flake-inputs.drv
building '/nix/store/87kvbq26z32qq1546nd6qq40rg31zb0j-flake-inputs.drv'
building '/nix/store/kds96hiffbib4l7nwg9kcdbfah9kh2p1-check-flake-inputs.drv'

upload niks3: ok