Execute following:
cd qmsgpack
mkdir build
cd build
cmake -DCMAKE_EXPORT_COMPILE_COMMANDS=On -DBUILD_TESTS=True ..
pvs-studio-analyzer analyze -o ../qmsgpack.log
plog-converter -a GA:1,2 -t tasklist -o ../qmsgpack.tasks ../qmsgpack.log
See qmsgpack.tasks then