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-144/2017-12-28-2206/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-12-28-2206/samba.stderr
   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-12-28-2206/samba.stdout
  
The top commit at the time of the failure was:

commit dcfa6c021fa74a3e8e380ea99e768af3c5e37e0c
Author: Volker Lendecke <vl at samba.org>
Date:   Wed Dec 27 13:19:06 2017 +0100

    torture: Fix CID 1426987 Incorrect expression (UNUSED_VALUE)
    
    Signed-off-by: Volker Lendecke <vl at samba.org>
    Reviewed-by: Stefan Metzmacher <metze at samba.org>
    
    Autobuild-User(master): Volker Lendecke <vl at samba.org>
    Autobuild-Date(master): Thu Dec 28 02:22:04 CET 2017 on sn-devel-144