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-104/2016-09-23-0733/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey.sn-devel-104/2016-09-23-0733/samba.stderr
   http://git.samba.org/autobuild.flakey.sn-devel-104/2016-09-23-0733/samba.stdout
  
The top commit at the time of the failure was:

commit bff3e5efba36395a68f134bf58566611b65f35d5
Author: David Disseldorp <ddiss at samba.org>
Date:   Thu Sep 22 00:00:07 2016 -0700

    torture/ioctl: switch sparse src/dest dup ext behaviour
    
    Contrary to 2.3.8 FSCTL_DUPLICATE_EXTENTS_TO_FILE
    STATUS_NOT_SUPPORTED: Target file is sparse, while source is a
    non-sparse file.
    
    ...Windows Server 2016 RTM appears to respond the other way around.
    
    Signed-off-by: David Disseldorp <ddiss at samba.org>
    Reviewed-by: Jeremy Allison <jra at samba.org>
    
    Autobuild-User(master): Jeremy Allison <jra at samba.org>
    Autobuild-Date(master): Fri Sep 23 00:23:09 CEST 2016 on sn-devel-144