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:

   https://git.samba.org/autobuild.flakey.sn-devel-144/2018-06-21-1849/flakey.log

The failure seems to be in the "samba-nt4" suite, whose build logs are available here:

   https://git.samba.org/autobuild.flakey.sn-devel-144/2018-06-21-1849/samba-nt4.stderr
   https://git.samba.org/autobuild.flakey.sn-devel-144/2018-06-21-1849/samba-nt4.stdout
  
The top commit at the time of the failure was:

commit 5e89a23ffaceccdc83d70a4ab2798ae25c10d580
Author: Andreas Schneider <asn at samba.org>
Date:   Fri Jun 15 14:59:00 2018 +0200

    krb5_plugin: Add winbind localauth plugin for MIT Kerberos
    
    Applications (like OpenSSH) don't know about users and and
    their relationship to Kerberos principals. This plugin allows that
    Kerberos principals can be validated against local user accounts.
    
    Administrator at WURST.WORLD -> WURST\Administrator
    
    https://web.mit.edu/kerberos/krb5-latest/doc/plugindev/localauth.html
    
    BUG: https://bugzilla.samba.org/show_bug.cgi?id=13480
    
    Signed-off-by: Andreas Schneider <asn at samba.org>
    Reviewed-by: Alexander Bokovoy <ab at samba.org>
    
    Autobuild-User(master): Andreas Schneider <asn at cryptomilk.org>
    Autobuild-Date(master): Thu Jun 21 15:52:02 CEST 2018 on sn-devel-144

and the last 50 lines of the stdout log were:

[176(987)/502 at 9m0s] samba3.raw.search(nt4_dc)
[177(995)/502 at 9m12s] samba3.raw.search(nt4_dc)
[178(1003)/502 at 10m0s] samba3.raw.seek(nt4_dc)
[179(1004)/502 at 10m0s] samba3.raw.sfileinfo.bug(nt4_dc)
[180(1004)/502 at 10m0s] samba3.raw.streams(nt4_dc)
[181(1017)/502 at 10m4s] samba3.raw.unlink(nt4_dc)
[182(1020)/502 at 10m5s] samba3.raw.write(nt4_dc)
[183(1024)/502 at 10m5s] samba3.raw.samba3hide(nt4_dc)
[184(1025)/502 at 10m6s] samba3.raw.samba3badpath(nt4_dc)
[185(1026)/502 at 10m6s] samba3.raw.sfileinfo.rename(nt4_dc)
[186(1027)/502 at 10m6s] samba3.raw.session plain(nt4_dc)
[187(1029)/502 at 10m7s] samba3.raw.session enc(nt4_dc)
[188(1031)/502 at 10m7s] samba3.raw.samba3caseinsensitive(nt4_dc)
[189(1032)/502 at 10m7s] samba3.raw.samba3posixtimedlock(nt4_dc)
[190(1033)/502 at 10m12s] samba3.raw.samba3rootdirfid(nt4_dc)
[191(1034)/502 at 10m13s] samba3.raw.sfileinfo.end-of-file(nt4_dc)
[192(1035)/502 at 10m13s] samba3.raw.samba3checkfsp(nt4_dc)
[193(1036)/502 at 10m13s] samba3.raw.samba3closeerr(nt4_dc)
[194(1037)/502 at 10m13s] samba3.raw.samba3oplocklogoff(nt4_dc)
[195(1038)/502 at 10m14s] samba3.raw.samba3badnameblob(nt4_dc)
[196(1039)/502 at 10m14s] samba3.smb2.getinfo(nt4_dc)
[197(1045)/502 at 10m14s] samba3.smb2.lock aio(nt4_dc)
[198(1066)/502 at 10m17s] samba3.smb2.lock(nt4_dc)
[199(1087)/502 at 10m20s] samba3.smb2.read(nt4_dc)
[200(1091)/502 at 10m20s] samba3.smb2.create(nt4_dc)
[201(1104)/502 at 10m21s] samba3.smb2.acls(nt4_dc)
[202(1112)/502 at 10m23s] samba3.smb2.notify(nt4_dc)
TESTING CHANGE NOTIFY BASEDIR EVENTS
maximum runtime exceeded for smbtorture - terminating
UNEXPECTED(error): samba3.smb2.notify.basedir (samba.subunit.RemotedTestCase)(nt4_dc)
REASON: Exception: Exception: was started but never finished!
UNEXPECTED(error): samba3.smb2.notify.basedir(nt4_dc) (samba.subunit.RemotedTestCase)
REASON: was started but never finished!

FAILED (0 failures, 2 errors and 0 unexpected successes in 0 testsuites)

A summary with detailed information can be found in:
  ./bin/ab/summary
TOP 10 slowest tests
samba3.raw.notify(nt4_dc) -> 99
samba3.raw.search(nt4_dc) -> 49
samba3.raw.oplock(nt4_dc) -> 43
samba3.blackbox.net.rpc.conf(nt4_dc) -> 35
samba3.raw.lock(nt4_dc) -> 33
samba3.smbtorture_s3.crypt_client(nt4_dc).OPLOCK1(nt4_dc) -> 30
samba3.blackbox.net.local.conf(nt4_dc:local) -> 25
samba3.base.lock(nt4_dc) -> 16
samba3.base.defer_open(nt4_dc) -> 16
samba3.base.dir2(nt4_dc) -> 13
ERROR: test failed with exit code 1