these 2 derivations will be built:
  /nix/store/gl84vacfvf4c406slpb2hc4l557p4m85-flake-inputs.drv
  /nix/store/j4pslbqd5aacw0zbc5a9fzk588dzpc3q-check-flake-inputs.drv
building '/nix/store/gl84vacfvf4c406slpb2hc4l557p4m85-flake-inputs.drv'
building '/nix/store/j4pslbqd5aacw0zbc5a9fzk588dzpc3q-check-flake-inputs.drv'

upload niks3: ok