autobuild[sn-devel-144]: intermittent test failure detected

[autobuild]

The autobuild test system (on sn-devel-144) has detected an intermittent failing test in 
the current master tree.

The autobuild log of the failure is available here:

   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-11-18-0823/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-11-18-0823/samba.stderr
   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-11-18-0823/samba.stdout
  
The top commit at the time of the failure was:

commit 050ca45dc7fc5bbab6e1c60b919ac0b1e9661e27
Author: Volker Lendecke <vl at samba.org>
Date:   Fri Nov 17 11:47:37 2017 +0100

    winbind: Remove winbind_messaging_context
    
    BUG: https://bugzilla.samba.org/show_bug.cgi?id=13150
    
    Signed-off-by: Volker Lendecke <vl at samba.org>
    Reviewed-by: Jeremy Allison <jra at samba.org>
    
    Autobuild-User(master): Jeremy Allison <jra at samba.org>
    Autobuild-Date(master): Sat Nov 18 04:07:24 CET 2017 on sn-devel-144