具体错误:
$ git push --set-upstream origin quantum6 remote: HTTP Basic: Access denied. The provided password or token is incorrect or your account has 2FA enabled and you must use a personal access token instead of a password. See https://gitlab.freedesktop.org/help/topics/git/troubleshooting_git#error-on-git-fetch-http-basic-access-denied
fatal: Authentication failed for 'https://gitlab.freedesktop.org/freetype/freetype.git/'
解决办法
Personal access tokens · Profile · User · Help · GitLab