Incomplete repository import from Github

Summary

The following repository took hours importing from Github. By the end it failed to import the list of issues and some of the pull requests.

https://gitlab.com/Unbabel/core

Steps to reproduce

Import private repo from Github.

What is the current bug behavior?

After hours importing, some of the information did not get created on Gitlab.

What is the expected correct behavior?

After importing a repository from Github all the issues and pull requests should be present on Gitlab.

Relevant logs and/or screenshots

N/A

Output of checks

This bug happens on GitLab.com