these 2 derivations will be built:
  /nix/store/4hlvy4kfpdk8xmq5qxgydzfpw7b6c7i5-flake-inputs.drv
  /nix/store/jas9ffwvj21spd0glysffx4sqabgjdsc-check-flake-inputs.drv
building '/nix/store/4hlvy4kfpdk8xmq5qxgydzfpw7b6c7i5-flake-inputs.drv'
building '/nix/store/jas9ffwvj21spd0glysffx4sqabgjdsc-check-flake-inputs.drv'

upload niks3: ok