The hosted runner lost communication with the server. Anything in your workflow that terminates the runner process, starves it for CPU/Memory, or blocks its network access can cause this error.

Failed to save: <h2>Our services aren't available right now</h2><p>We're working to restore all services as soon as possible. Please check back soon.</p>0BNZ+aAAAAACUcjApIGXlQLUjgz8wlFyRQkwyQUEyMDMwMTA3MDM5AEVkZ2U=

No cached files found at path "/home/runner/work/pandas/pandas/emsdk-cache" - downloading and caching emsdk.