We've confirmed that builds are now completing successfully. Considering this incident resolved. If you continue to experience build issues, please contact Support at support@netlify.com

The underlying cause of the issue seems to be resolved. We will continue monitoring the incident. Build can now be re-tried and they should no longer fail. Thank you for your patience.

There have been reports of builds failing with an error message of "Version '8' not found - try 'nvm ls-remote' to browse available versions." or similar. We believe this is related to an incident with nvm and its hosting provider.