autobuild[sn-devel-104]: intermittent test failure detected

[autobuild]

The autobuild test system (on sn-devel-104) 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-104/2016-09-08-1131/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey.sn-devel-104/2016-09-08-1131/samba.stderr
   http://git.samba.org/autobuild.flakey.sn-devel-104/2016-09-08-1131/samba.stdout
  
The top commit at the time of the failure was:

commit d1c30aba04dd25fd9abc04005c9aff300ca79c4a
Author: Volker Lendecke <vl at samba.org>
Date:   Tue Sep 6 11:46:39 2016 +0200

    lib: call_backtrace() is no more
    
    Signed-off-by: Volker Lendecke <vl at samba.org>
    Reviewed-by: Martin Schwenke <martin at meltin.net>
    
    Autobuild-User(master): Jeremy Allison <jra at samba.org>
    Autobuild-Date(master): Thu Sep  8 03:51:34 CEST 2016 on sn-devel-144