Uncontrolled crash in tst_qwebenginepage

qt-testrunner.py    ERROR: The test executable CRASHed uncontrollably! Details about where we caught the problem:
agent:2022/03/25 03:35:14 build.go:394: 18: Traceback (most recent call last):
agent:2022/03/25 03:35:14 build.go:394: 18:   File "/Users/qt/work/install/libexec/qt-testrunner.py", line 348, in main
agent:2022/03/25 03:35:14 build.go:394: 18:     failed_functions = parse_log(results_file)
agent:2022/03/25 03:35:14 build.go:394: 18:   File "/Users/qt/work/install/libexec/qt-testrunner.py", line 206, in parse_log
agent:2022/03/25 03:35:14 build.go:394: 18:     tree = ET.parse(results_file)
agent:2022/03/25 03:35:14 build.go:394: 18:   File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/xml/etree/ElementTree.py", line 1229, in parse
agent:2022/03/25 03:35:14 build.go:394: 18:     tree.parse(source, parser)
agent:2022/03/25 03:35:14 build.go:394: 18:   File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/xml/etree/ElementTree.py", line 580, in parse
agent:2022/03/25 03:35:14 build.go:394: 18:     self._root = parser._parse_whole(source)
agent:2022/03/25 03:35:14 build.go:394: 18: xml.etree.ElementTree.ParseError: no element found: line 340, column 0
agent:2022/03/25 03:35:14 build.go:394: 18: qt-testrunner.py    ERROR: Full test run failed repeatedly, aborting!
agent:2022/03/25 03:35:14 build.go:394: 18: [2275:259:0325/033514.148595:ERROR:mach_port_rendezvous.cc(310)] bootstrap_look_up org.chromium.Chromium.MachPortRendezvousServer.1: Permission denied (1100)
agent:2022/03/25 03:35:14 build.go:394: 18: [2275:259:0325/033514.148644:ERROR:child_thread_impl.cc(224)] Mach rendezvous failed, terminating process (parent died?)
agent:2022/03/25 03:35:14 build.go:394: 18: CMake Error at tst_qwebenginepageWrapperRelWithDebInfo.cmake:17 (message):
agent:2022/03/25 03:35:14 build.go:394: 18:   /Users/qt/work/install/libexec/qt-testrunner.py --
agent:2022/03/25 03:35:14 build.go:394: 18:   /Users/qt/work/qt/qtwebengine_standalone_tests/tests/auto/widgets/qwebenginepage/tst_qwebenginepage
agent:2022/03/25 03:35:14 build.go:394: 18:   execution failed with exit code 3.
agent:2022/03/25 03:35:14 build.go:394: 18: 
agent:2022/03/25 03:35:14 build.go:394: 18: 
agent:2022/03/25 03:35:14 build.go:394: 18/37 Test #18: tst_qwebenginepage ........................***Failed   63.90 sec