ProblemHighlighter: Use qobject_cast for MarkInterface as advised in its documentation

1 job for !17 with mark_interface_qobject_cast in 30 minutes and 54 seconds (queued for 2 seconds)
latest detached
Status Job ID Name Coverage
  Build
failed #3710
linux kf5-qt5 qt5.10

00:30:54

 
Name Stage Failure
failed
linux kf5-qt5 qt5.10 Build There has been a runner system failure, please try again
[ 91%] Building CXX object plugins/qmakemanager/tests/CMakeFiles/test_qmakefile.dir/test_qmakefile.cpp.o
[ 91%] Building CXX object plugins/custom-buildsystem/tests/CMakeFiles/kcm_uitest.dir/__/debug.cpp.o
[ 91%] Built target test_custombuildsystemplugin
[ 91%] Building CXX object plugins/qmakemanager/tests/CMakeFiles/test_qmakeproject.dir/test_qmakeproject_autogen/mocs_compilation.cpp.o
Scanning dependencies of target test_docker
Scanning dependencies of target test_projectload
[ 91%] Building CXX object plugins/docker/tests/CMakeFiles/test_docker.dir/test_docker.cpp.o
[ 91%] Building CXX object plugins/genericprojectmanager/tests/CMakeFiles/test_projectload.dir/test_projectload.cpp.o
ERROR: Job failed (system failure): aborted: terminated