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-144/2017-10-02-0109/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-10-02-0109/samba.stderr
   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-10-02-0109/samba.stdout
  
The top commit at the time of the failure was:

commit 6539cc8a24204697b20506896c401e7b40eee928
Author: Ralph Boehme <slow at samba.org>
Date:   Fri Sep 29 13:07:53 2017 +0200

    lib/util/run_cmd: use a cleanup function instead of a destructor
    
    Bug: https://bugzilla.samba.org/show_bug.cgi?id=13062
    
    Pair-programmed-with: Stefan Metzmacher <metze at samba.org>
    
    Signed-off-by: Stefan Metzmacher <metze at samba.org>
    Signed-off-by: Ralph Boehme <slow at samba.org>
    
    Autobuild-User(master): Ralph Böhme <slow at samba.org>
    Autobuild-Date(master): Sat Sep 30 12:14:57 CEST 2017 on sn-devel-144