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-144/2017-07-04-0041/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-07-04-0041/samba.stderr
   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-07-04-0041/samba.stdout
  
The top commit at the time of the failure was:

commit 1f5a297b516b56ab6afbfc4ba1513dc73764dcf7
Author: Stefan Metzmacher <metze at samba.org>
Date:   Fri Jun 30 13:26:17 2017 +0200

    s3:rpc_server: wrap make_auth4_context() into {become,unbecome}_root()
    
    This need to create a temporary messaging context in order to do
    the auth logging. This can only be done as root.
    
    BUG: https://bugzilla.samba.org/show_bug.cgi?id=12850
    
    Signed-off-by: Stefan Metzmacher <metze at samba.org>
    Reviewed-by: Garming Sam <garming at catalyst.net.nz>
    
    Autobuild-User(master): Garming Sam <garming at samba.org>
    Autobuild-Date(master): Mon Jul  3 08:15:29 CEST 2017 on sn-devel-144