this derivation will be built:
  /nix/store/qhnsf7nl2kid95h1mql1ivzadwk9dn14-docker-sbx-0.43.0.drv
building '/nix/store/qhnsf7nl2kid95h1mql1ivzadwk9dn14-docker-sbx-0.43.0.drv' on 'ssh-ng://customer@mac02.m.ntd.one'

upload niks3: ok