Run gitlab-rake gitlab:backup:create Killed

The gitlab version is 12.10.6-ce.0
I ran gitlab-rake gitlab:backup:create in docker container, but Killed. No error message.


and unicorn fail to start unicorn master.
/opt/gitlab/embedded/bin/gitlab-unicorn-wrapper: line 101: 2343 Killed chpst -e /opt/gitlab/etc/${rails_app}/env -U ${user}:${group} /opt/gitlab/embedded/bin/bundle exec unicorn -D -E ${environment} -c ${unicorn_rb} /opt/gitlab/embedded/service/${rails_app}/config.ru

i am having the same issue , did you find out what the problem was?