The self-hosted runner: aws_cuda-8159759897-1_g5.2xlarge_on-demand lost communication with the server. Verify the machine is running and has a healthy network connection. Anything in your workflow that terminates the runner process, starves it for CPU/Memory, or blocks its network access can cause this error.

Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: ./devops/actions/aws-ec2. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.