tst_QCoapMessage::addOption() Received a fatal error.

agent:2020/11/25 11:49:42 build.go:379: ********* Start testing of tst_QCoapMessage *********
agent:2020/11/25 11:49:42 build.go:379: Config: Using QtTest library 6.0.0, Qt 6.0.0 (x86_64-little_endian-lp64 shared (dynamic) release build; by GCC 8.3.1 20191121 (Red Hat 8.3.1-5)), centos 8
agent:2020/11/25 11:49:42 build.go:379: PASS   : tst_QCoapMessage::initTestCase()
agent:2020/11/25 11:49:42 build.go:379: PASS   : tst_QCoapMessage::copyAndDetach()
agent:2020/11/25 11:49:42 build.go:379: PASS   : tst_QCoapMessage::setType(acknowledgment)
agent:2020/11/25 11:49:42 build.go:379: PASS   : tst_QCoapMessage::setType(confirmable)
agent:2020/11/25 11:49:42 build.go:379: PASS   : tst_QCoapMessage::setType(non-confirmable)
agent:2020/11/25 11:49:42 build.go:379: PASS   : tst_QCoapMessage::setType(reset)
agent:2020/11/25 11:49:42 build.go:379: === Received signal at function time: 0ms, total time: 1ms, dumping stack ===
agent:2020/11/25 11:49:42 build.go:379: === End of stack trace ===
agent:2020/11/25 11:49:42 build.go:379: QFATAL : tst_QCoapMessage::addOption() Received signal 11
agent:2020/11/25 11:49:42 build.go:379:          Function time: 0ms Total time: 1ms
agent:2020/11/25 11:49:42 build.go:379: FAIL!  : tst_QCoapMessage::addOption() Received a fatal error.
agent:2020/11/25 11:49:42 build.go:379:    Loc: [Unknown file(0)]
agent:2020/11/25 11:49:42 build.go:379: Totals: 6 passed, 1 failed, 0 skipped, 0 blacklisted, 5ms
agent:2020/11/25 11:49:42 build.go:379: ********* Finished testing of tst_QCoapMessage *********
agent:2020/11/25 11:49:43 build.go:379: make: *** [Makefile:260: check] Aborted (core dumped)
agent:2020/11/25 11:49:43 build.go:430: Process finished with error: exit status 2
agent:2020/11/25 11:50:03 runner.go:169: Re-running tests/auto/qcoapmessage with TESTARGS=addOption
agent:2020/11/25 11:50:03 build.go:508: [make check -j1] 900 900
agent:2020/11/25 11:50:03 build.go:402: [make check -j1] 900 900 false false
agent:2020/11/25 11:50:03 build.go:379: /home/qt/work/qt/qtcoap/tests/auto/qcoapmessage/target_wrapper.sh  ./qcoapmessage addOption -maxwarnings 0
agent:2020/11/25 11:50:03 build.go:379: ********* Start testing of tst_QCoapMessage *********
agent:2020/11/25 11:50:03 build.go:379: Config: Using QtTest library 6.0.0, Qt 6.0.0 (x86_64-little_endian-lp64 shared (dynamic) release build; by GCC 8.3.1 20191121 (Red Hat 8.3.1-5)), centos 8
agent:2020/11/25 11:50:03 build.go:379: PASS   : tst_QCoapMessage::initTestCase()
agent:2020/11/25 11:50:03 build.go:379: === Received signal at function time: 0ms, total time: 0ms, dumping stack ===
agent:2020/11/25 11:50:03 build.go:379: === End of stack trace ===
agent:2020/11/25 11:50:03 build.go:379: QFATAL : tst_QCoapMessage::addOption() [     0.000 F] default unknown - Received signal 11
agent:2020/11/25 11:50:03 build.go:379:          Function time: 0ms Total time: 0ms
agent:2020/11/25 11:50:03 build.go:379: FAIL!  : tst_QCoapMessage::addOption() Received a fatal error.
agent:2020/11/25 11:50:03 build.go:379:    Loc: [Unknown file(0)]
agent:2020/11/25 11:50:03 build.go:379: Totals: 1 passed, 1 failed, 0 skipped, 0 blacklisted, 4ms
agent:2020/11/25 11:50:03 build.go:379: ********* Finished testing of tst_QCoapMessage *********
agent:2020/11/25 11:50:03 build.go:379: make: *** [Makefile:260: check] Aborted (core dumped)
agent:2020/11/25 11:50:03 build.go:430: Process finished with error: exit status 2
agent:2020/11/25 11:50:03 build.go:654: Executing scheduled instruction 1 of 2 - Upload all core dumps if there are some
agent:2020/11/25 11:50:03 build.go:563: Skip uploading core files because CORE_FILES_PATH is not set in the environment
agent:2020/11/25 11:50:03 build.go:662: 
agent:2020/11/25 11:50:03 build.go:654: Executing scheduled instruction 2 of 2 - Upload test results
agent:2020/11/25 11:50:03 storageclient.go:517: Collecting test results, archiving and uploading them
agent:2020/11/25 11:50:03 result.go:177: Collecting 2 test results ...
agent:2020/11/25 11:50:04 build.go:662: 
agent:2020/11/25 11:50:04 agent.go:280: Test failed
agent:2020/11/25 11:50:04 agent.go:202: ERROR building: exit status 2