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-104/2016-12-20-2007/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey.sn-devel-104/2016-12-20-2007/samba.stderr
   http://git.samba.org/autobuild.flakey.sn-devel-104/2016-12-20-2007/samba.stdout
  
The top commit at the time of the failure was:

commit 8989725b67b4510b05a6819f86fc364293b5a814
Author: Andreas Schneider <asn at samba.org>
Date:   Mon Sep 19 14:40:42 2016 +0200

    s3-rpc_client: Pass NULL as no password
    
    GENSEC expects NULL as no password.
    
    Signed-off-by: Andreas Schneider <asn at samba.org>
    Reviewed-by: Stefan Metzmacher <metze at samba.org>
    
    Autobuild-User(master): Stefan Metzmacher <metze at samba.org>
    Autobuild-Date(master): Tue Dec 20 17:37:56 CET 2016 on sn-devel-144