this derivation will be built:
  /nix/store/j652jnnssa47f3h1n52lb4fjsrjrsv0a-check-spec-kit.drv
building '/nix/store/j652jnnssa47f3h1n52lb4fjsrjrsv0a-check-spec-kit.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/j652jnnssa47f3h1n52lb4fjsrjrsv0a-check-spec-kit.drv'

upload niks3: ok