these 2 derivations will be built:
  /nix/store/c4mcinlxjf3njawvg1zf7q291nc026lj-flake-inputs.drv
  /nix/store/dcvf76pg498vyx7dix0z0ycbj3mcn376-check-flake-inputs.drv
building '/nix/store/c4mcinlxjf3njawvg1zf7q291nc026lj-flake-inputs.drv'
building '/nix/store/dcvf76pg498vyx7dix0z0ycbj3mcn376-check-flake-inputs.drv'

upload niks3: ok