try the last @spawn -> @async

Author: IanButterworth

src/remotecall.jl

@@ -274,7 +274,7 @@ end
 const any_gc_flag = Threads.Condition()
 function start_gc_msgs_task()
     errormonitor(
-        Threads.@spawn begin
+        @async begin
             while true
                 lock(any_gc_flag) do
                     # this might miss events