these 2 derivations will be built:
  /nix/store/vain8sn6n1jvcjygvvjd5n0v9nhr4hmc-flake-inputs.drv
  /nix/store/mx5xnx9zb1x3ycmgy6yh9n6hc21hd5hb-check-flake-inputs.drv
building '/nix/store/vain8sn6n1jvcjygvvjd5n0v9nhr4hmc-flake-inputs.drv'
building '/nix/store/mx5xnx9zb1x3ycmgy6yh9n6hc21hd5hb-check-flake-inputs.drv'

upload niks3: ok