this derivation will be built:
  /nix/store/n1xq6hcdcknkjnp7wq3n69044jjbb4na-check-t3code.drv
building '/nix/store/n1xq6hcdcknkjnp7wq3n69044jjbb4na-check-t3code.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/n1xq6hcdcknkjnp7wq3n69044jjbb4na-check-t3code.drv'

upload niks3: ok