[Ci-reports] fail on QtBase_stable_Integration #3873

[Qt Continuous Integration System]

Autotest `tst_qthreadpool' failed :(

  Testing tst_QThreadPool
  FAIL!  : tst_QThreadPool::expiryTimeoutRace() 'task.semaphore.tryAcquire(numTasks, 10000)' returned FALSE. ()
  tst_qthreadpool.cpp(384) : failure location
  QtQA::App::TestRunner: Timed out after 450 seconds
  QtQA::App::TestRunner: test failed, running again to see if it is flaky...
  ********* Start testing of tst_QThreadPool *********
  Config: Using QtTest library 5.3.1, Qt 5.3.1
  PASS   : tst_QThreadPool::initTestCase()
  PASS   : tst_QThreadPool::runFunction()
  PASS   : tst_QThreadPool::createThreadRunFunction()
  PASS   : tst_QThreadPool::runMultiple()
  PASS   : tst_QThreadPool::waitcomplete()
  PASS   : tst_QThreadPool::runTask()
  PASS   : tst_QThreadPool::singleton()
  PASS   : tst_QThreadPool::destruction()
  PASS   : tst_QThreadPool::threadRecycling()
  PASS   : tst_QThreadPool::expiryTimeout()
  FAIL!  : tst_QThreadPool::expiryTimeoutRace() 'task.semaphore.tryAcquire(numTasks, 10000)' returned FALSE. ()
  tst_qthreadpool.cpp(384) : failure location
  QtQA::App::TestRunner: Timed out after 450 seconds
  QtQA::App::TestRunner: test failure could be reproduced twice consecutively
  QtQA::App::TestRunner: end tst_qthreadpool: 902 seconds, exit code 293

  Build log: http://testresults.qt-project.org/ci/QtBase_stable_Integration/build_03873/win64-msvc2012_developer-build_qtnamespace_Windows_81/log.txt.gz

  Tested changes (refs/builds/stable_1400600701):
    http://codereview.qt-project.org/85842 [PS1] - Socks5 socket engine test: Disable UDP over Socks test
    http://codereview.qt-project.org/85089 [PS1] - fix too aggressive installation of helper libraries
    http://codereview.qt-project.org/85439 [PS2] - xcode generator: don't modify or copy QMAKE_INFO_PLIST
    http://codereview.qt-project.org/85827 [PS1] - iOS: don't report negative selection ranges for backspace
    http://codereview.qt-project.org/85819 [PS1] - Merge remote-tracking branch 'origin/release' into stable