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-144/2017-01-20-1101/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-01-20-1101/samba.stderr
   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-01-20-1101/samba.stdout
  
The top commit at the time of the failure was:

commit ca5d36d8425d7b173b977ff4fd02d057a7e23d44
Author: Aurelien Aptel <aaptel at suse.com>
Date:   Tue Jan 17 14:39:03 2017 +0100

    s3/winbindd: fix invalid free
    
    coverity fix.
    
    TALLOC_FREE() might be called on uninitialized 'rids' at the end of the
    function in case of an early error. Initialize it to NULL to turn the
    TALLOC_FREE() to a noop in this case.
    
    Signed-off-by: Aurelien Aptel <aaptel at suse.com>
    Reviewed-by: Volker Lendecke <vl at samba.org>
    Reviewed-by: David Disseldorp <ddiss at samba.org>
    
    Autobuild-User(master): Volker Lendecke <vl at samba.org>
    Autobuild-Date(master): Wed Jan 18 17:19:39 CET 2017 on sn-devel-144