Process terminated. Exception thrown from SocketAsyncEngine event loop: System.OutOfMemoryException: Exception of type 'System.OutOfMemoryException' was thrown. at System.Threading.Thread.StartCore() at System.Threading.PortableThreadPool.WorkerThread.MaybeAddWorkingWorker(PortableThreadPool threadPoolInstance) at System.Threading.PortableThreadPool.RequestWorker() at System.Threading.ThreadPool.UnsafeQueueUserWorkItem(IThreadPoolWorkItem callBack, Boolean preferLocal) at System.Net.Sockets.SocketAsyncEngine.EventLoop() at System.Environment.FailFast(System.String, System.Exception) at System.Net.Sockets.SocketAsyncEngine.EventLoop() System.OutOfMemoryException: Exception of type 'System.OutOfMemoryException' was thrown. at System.Threading.Thread.StartCore() at System.Threading.PortableThreadPool.WorkerThread.MaybeAddWorkingWorker(PortableThreadPool threadPoolInstance) at System.Threading.PortableThreadPool.RequestWorker() at System.Threading.ThreadPool.UnsafeQueueUserWorkItem(IThreadPoolWorkItem callBack, Boolean preferLocal) at System.Net.Sockets.SocketAsyncEngine.EventLoop()

The self-hosted runner: garm4-24-pkdmp0y8YhKv 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.