tst_material keeps crashing in the CI (win 10)

Module "qt/qtquickcontrols2" (e253427f93248983d18055c5020094799a2c6b3b) Failed test(s): C:/Users/qt/work/qt/qtquickcontrols2/tests/auto/material:
 agent:2016/04/20 16:58:12 build.go:298: Executing instruction 33 of 54
 agent:2016/04/20 16:58:12 build.go:267: [c:\users\qt\MSVC2015.bat jom check] 900 1200
 
 C:\Users\qt\work\qt\qtquickcontrols2\tests\auto\material>call "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" amd64  
 
 jom 1.1.0 - empower your cores
 
 	C:\utils\jom\jom.exe -f Makefile.Release check
 	call C:\Users\qt\work\qt\qtquickcontrols2\tests\auto\material\target_wrapper.bat  release\tst_material.exe -o c:\Users\qt\work\testresults\tests\auto\material555682347,xml -o -,txt
 ********* Start testing of tst_material *********
 Config: Using QtTest library 5.7.0, Qt 5.7.0 (x86_64-little_endian-llp64 shared (dynamic) release build; by MSVC 2015)
 PASS   : tst_material::Material::initTestCase()
 PASS   : tst_material::Material::test_colors(primary)
 PASS   : tst_material::Material::test_colors(accent)
 PASS   : tst_material::Material::test_colors(background)
 PASS   : tst_material::Material::test_colors(foreground)
 PASS   : tst_material::Material::test_comboBox()
 jom: C:\Users\qt\work\qt\qtquickcontrols2\tests\auto\material\Makefile.Release [check] Error 2
 jom: C:\Users\qt\work\qt\qtquickcontrols2\tests\auto\material\Makefile [release-check] Error 2
 
 agent:2016/04/20 16:58:58 build.go:206: Process finished with error: exit status 2
 agent:2016/04/20 16:58:58 build.go:158: Error reading from stdout/err: exit status 2
 agent:2016/04/20 16:58:58 agent.go:170: Test failed
 agent:2016/04/20 16:58:58 agent.go:127: ERROR building: Error unmarshalling testlib xml output: EOF
 Build log: http://testresults.qt.io/logs/qt/qtquickcontrols2/e253427f93248983d18055c5020094799a2c6b3b/WindowsWindows_10x86_64WindowsWindows_10x86_64MSVC2015DebugAndRelease_Release_OpenGLDynamic/61493072292d56f34bb4c4c080a66358a28fef70/testrun_1461160277/testlog.txt.gz
 Details: http://testresults.qt.io/coin/integration/qt/qt5/tasks/1461160277.thrift_bin