autobuild: intermittent test failure detected

[autobuild]

The autobuild test system 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/2015-02-12-1053/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey/2015-02-12-1053/samba.stderr
   http://git.samba.org/autobuild.flakey/2015-02-12-1053/samba.stdout
  
The top commit at the time of the failure was:

commit 177692c0042558fc5b8812645a7c67769ebade6b
Author: David Disseldorp <ddiss at samba.org>
Date:   Mon Feb 9 12:09:35 2015 +0100

    torture/ioctl: add test_ioctl_sparse_copy_chunk test
    
    This test copies unallocated and allocated ranges from a sparse file
    into a sparse and non-sparse destination file using FSCTL_SRV_COPYCHUNK.
    
    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): Thu Feb 12 03:19:32 CET 2015 on sn-devel-104