message: Avoid leaking groups
diff: @@ -163,7 +163,7 @@ expected<group> local_group_module::get(const std::string& group_name) {
  auto ptr = make_counted<impl>(this, group_name);
  ptr->intermediary_ = system().spawn<intermediary_actor, hidden>(ptr);
  instances_.emplace(group_name, ptr);
  - return group{ptr.release()};
  + return group{std::move(ptr)};
  }
  }
  