Stack overflow.
at Interop+Globalization.IndexOf(IntPtr, Char*, Int32, Char*, Int32, System.Globalization.CompareOptions, Int32*)
at System.Globalization.CompareInfo.IndexOfOrdinalHelper(System.ReadOnlySpan`1<Char>, System.ReadOnlySpan`1<Char>, System.Globalization.CompareOptions, Int32*, Boolean)
at System.Globalization.CompareInfo.IcuIndexOfCore(System.ReadOnlySpan`1<Char>, System.ReadOnlySpan`1<Char>, System.Globalization.CompareOptions, Int32*, Boolean)
at System.Globalization.CompareInfo.IndexOf(System.String, System.String, Int32, Int32, System.Globalization.CompareOptions)
at System.String.IndexOf(System.String, Int32, Int32, System.StringComparison)
at GitHub.Runner.Worker.Handlers.OutputManager.OnDataReceived(System.Object, GitHub.Runner.Sdk.ProcessDataReceivedEventArgs)
at GitHub.Runner.Sdk.ProcessInvoker.ProcessOutput()
at GitHub.Runner.Sdk.ProcessInvoker+<ExecuteAsync>d__29.MoveNext()
at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object)
at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1+AsyncStateMachineBox`1[[System.Int32, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[GitHub.Runner.Sdk.ProcessInvoker+<ExecuteAsync>d__29, Runner.Sdk, Version=2.309.0.0, Culture=neutral, PublicKeyToken=null]].MoveNext(System.Threading.Thread)
at System.Threading.Tasks.AwaitTaskContinuation.RunOrScheduleAction(System.Runtime.CompilerServices.IAsyncStateMachineBox, Boolean)
at System.Threading.Tasks.Task.RunContinuations(System.Object)
at System.Threading.Tasks.Task`1[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].TrySetResult(System.__Canon)
at System.Threading.Tasks.Task+TwoTaskWhenAnyPromise`1[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Invoke(System.Threading.Tasks.Task)
at System.Threading.Tasks.Task.RunContinuations(System.Object)
at GitHub.Runner.Sdk.ProcessInvoker+AsyncManualResetEvent+<>c.<Set>b__2_0(System.Object)
at System.Threading.Tasks.Task`1[[System.Boolean, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].InnerInvoke()
at System.Threading.ExecutionContext.RunFromThreadPoolDispatchLoop(System.Threading.Thread, System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object)
at System.Threading.Tasks.Task.ExecuteWithThreadLocal(System.Threading.Tasks.Task ByRef, System.Threading.Thread)
at System.Threading.ThreadPoolWorkQueue.Dispatch()
at System.Threading.PortableThreadPool+WorkerThread.WorkerThreadStart()