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-144/2016-04-12-0623/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey.sn-devel-144/2016-04-12-0623/samba.stderr
   http://git.samba.org/autobuild.flakey.sn-devel-144/2016-04-12-0623/samba.stdout
  
The top commit at the time of the failure was:

commit acf6deb6981f3e4043b51c1ed134362cc9112d2c
Author: Stefan Metzmacher <metze at samba.org>
Date:   Tue Mar 29 18:01:32 2016 +0200

    tdb: version 1.3.9
    
    * avoid a race condition when checking for robust mutexes
      (bug #11808)
    * Remove use of strcpy in tdb test.
    * eliminate deprecation warnings in python tests
    * Only set public headers field when installing as a public library.
    * Refuse to load a database with hash size 0
    * Fix various spelling errors
    
    Signed-off-by: Stefan Metzmacher <metze at samba.org>
    Reviewed-by: Ralph Boehme <slow at samba.org>
    
    Autobuild-User(master): Ralph Böhme <slow at samba.org>
    Autobuild-Date(master): Mon Apr 11 18:48:26 CEST 2016 on sn-devel-144