this derivation will be built:
  /nix/store/yccx3gb2xffykpny0lyajys6dmz7rvgs-check-happy-coder.drv
building '/nix/store/yccx3gb2xffykpny0lyajys6dmz7rvgs-check-happy-coder.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/yccx3gb2xffykpny0lyajys6dmz7rvgs-check-happy-coder.drv'

upload niks3: ok