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/2015-06-26-1500/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey/2015-06-26-1500/samba.stderr
   http://git.samba.org/autobuild.flakey/2015-06-26-1500/samba.stdout
  
The top commit at the time of the failure was:

commit bbb18875dcd92f1691a1ab0aa1400b73609cb111
Author: Douglas Bagnall <douglas.bagnall at catalyst.net.nz>
Date:   Wed Jun 24 11:47:31 2015 +1200

    Avoid segfault in durable_open tests
    
    There are "goto done"s hiding in CHECK_STATUS in parts of
    the code where tree1 is unequivocally NULL.
    
    Signed-off-by: Douglas Bagnall <douglas.bagnall at catalyst.net.nz>
    Reviewed-by: Michael Adam <obnox at samba.org>
    Reviewed-by: Andrew Bartlett <abartlet at samba.org>
    
    Autobuild-User(master): Andrew Bartlett <abartlet at samba.org>
    Autobuild-Date(master): Fri Jun 26 05:12:02 CEST 2015 on sn-devel-104