/usr/lib/ is in qtscript5-dev 5.2.1+dfsg-1ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/cmake/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/libQt5ScriptTools.prl
/usr/lib/x86_64-linux-gnu/cmake/Qt5ScriptTools/
/usr/lib/x86_64-linux-gnu/cmake/Qt5ScriptTools/Qt5ScriptToolsConfigVersion.cmake
/usr/lib/x86_64-linux-gnu/cmake/Qt5ScriptTools/Qt5ScriptToolsConfig.cmake
/usr/lib/x86_64-linux-gnu/cmake/Qt5Script/
/usr/lib/x86_64-linux-gnu/cmake/Qt5Script/Qt5ScriptConfig.cmake
/usr/lib/x86_64-linux-gnu/cmake/Qt5Script/Qt5ScriptConfigVersion.cmake
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/Qt5Script.pc
/usr/lib/x86_64-linux-gnu/pkgconfig/Qt5ScriptTools.pc
/usr/lib/x86_64-linux-gnu/libQt5Script.prl
/usr/lib/x86_64-linux-gnu/qt5/
/usr/lib/x86_64-linux-gnu/qt5/mkspecs/
/usr/lib/x86_64-linux-gnu/qt5/mkspecs/modules/
/usr/lib/x86_64-linux-gnu/qt5/mkspecs/modules/qt_lib_scripttools.pri
/usr/lib/x86_64-linux-gnu/qt5/mkspecs/modules/qt_lib_script.pri
/usr/lib/x86_64-linux-gnu/libQt5Script.so
/usr/lib/x86_64-linux-gnu/libQt5ScriptTools.so