Unhandled Exception: System.OutOfMemoryException: Out of memory
  at <0x00000> <unknown method>
  at (wrapper managed-to-native) System.Object:__icall_wrapper_mono_delegate_begin_invoke (object,intptr)
  at (wrapper delegate-begin-invoke) System.MulticastDelegate:begin_invoke_IAsyncResult_object_AsyncCallback_object (object,System.AsyncCallback,object)
  at System.Threading.ThreadPool.QueueUserWorkItem (System.Threading.WaitCallback callback, System.Object state) [0x00000] 
  at Test.Main () [0x00000] 


top: Mem: 393M Active, 162M Inact, 132M Wired, 39M Cache, 110M Buf, 261M Free