Resolved
This incident has been resolved.
Monitoring
GitHub reports they are fully operational. We are monitoring for potential second-order effects from increased load while our systems catch up.
Investigating
GitHub is experiencing a major incident. GitHub's status page reports: "A number of services are currently degraded, especially issues, pull requests, and the API. Investigation and mitigation is underway." Qlty relies on GitHub's API and webhooks to trigger analysis and code coverage. It appears that login, which occurs through GitHub, is also impacted.