this derivation will be built:
  /nix/store/raq5pzqqz5s8qvacaspgs8rbvnmnq5xs-check-eca.drv
building '/nix/store/raq5pzqqz5s8qvacaspgs8rbvnmnq5xs-check-eca.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/raq5pzqqz5s8qvacaspgs8rbvnmnq5xs-check-eca.drv'

upload niks3: ok