Crash in qmltest::ListModel::cleanupTestCase()?

 PASS   : qmltest::ListModel::initTestCase()
 PASS   : qmltest::ListModel::test_altermodeled()
 PASS   : qmltest::ListModel::test_empty()
 PASS   : qmltest::ListModel::test_insert()
 PASS   : qmltest::ListModel::test_multipleitems(10items)
 PASS   : qmltest::ListModel::test_multipleitems(100items)
 PASS   : qmltest::ListModel::test_multipleitems(10000items)
 PASS   : qmltest::ListModel::cleanupTestCase()
 make: *** [check] Bus error: 10
 
 agent:2017/12/19 23:40:15 build.go:203: Process finished with error: exit status 2
 agent:2017/12/19 23:40:15 build.go:155: Error reading from stdout/err: exit status 2
 agent:2017/12/19 23:40:15 build.go:408: Executing scheduled instruction 1 of 2 - Upload all core dumps if there are some
 agent:2017/12/19 23:40:15 build.go:342: No core files has been found, that is good
 agent:2017/12/19 23:40:15 build.go:410: 
 agent:2017/12/19 23:40:15 build.go:408: Executing scheduled instruction 2 of 2 - Upload test results
 agent:2017/12/19 23:40:15 storageclient.go:633: Collecting test results, archiving and uploading them
 agent:2017/12/19 23:40:15 result.go:155: Collecting 45 test results ...
 agent:2017/12/19 23:40:15 build.go:410: 
 agent:2017/12/19 23:40:15 agent.go:181: Test failed
 agent:2017/12/19 23:40:15 agent.go:79: ERROR building: error unmarshalling testlib xml output: 'XML syntax error on line 569: unexpected EOF'.
 Most likely the test has crashed