Failed To Bootstrap Pups::ExecError 'bundle exec rake db:migrate' failed with return exec failed with the params 2.9.0.beta4 to 2.9.0.beta5

Product Support Self-hosting
5

For the record: that should not be a reason for the restore to fail. If the instance you’re restoring into is newer than your backup, you should be good.

This would have happened to you as well in case you were upgrading on the same host.