/usr/lib/ is in qt3d5-dev 5.0~git20130731-0ubuntu5.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/qt5/mkspecs/
/usr/lib/x86_64-linux-gnu/qt5/bin/qglinfo
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/Qt53DQuick.pc
/usr/lib/x86_64-linux-gnu/pkgconfig/Qt53D.pc
/usr/lib/x86_64-linux-gnu/libQt53DQuick.prl
/usr/lib/x86_64-linux-gnu/qt5/
/usr/lib/x86_64-linux-gnu/qt5/bin/
/usr/lib/x86_64-linux-gnu/qt5/mkspecs/modules/
/usr/lib/x86_64-linux-gnu/qt5/mkspecs/modules/qt_lib_3d.pri
/usr/lib/x86_64-linux-gnu/qt5/mkspecs/modules/qt_lib_3dquick_private.pri
/usr/lib/x86_64-linux-gnu/qt5/mkspecs/modules/qt_lib_3dquick.pri
/usr/lib/x86_64-linux-gnu/qt5/mkspecs/modules/qt_lib_3d_private.pri
/usr/lib/x86_64-linux-gnu/cmake/
/usr/lib/x86_64-linux-gnu/cmake/Qt53DQuick/
/usr/lib/x86_64-linux-gnu/cmake/Qt53DQuick/Qt53DQuickConfigVersion.cmake
/usr/lib/x86_64-linux-gnu/cmake/Qt53DQuick/Qt53DQuickConfig.cmake
/usr/lib/x86_64-linux-gnu/cmake/Qt53D/
/usr/lib/x86_64-linux-gnu/cmake/Qt53D/Qt53DConfigVersion.cmake
/usr/lib/x86_64-linux-gnu/cmake/Qt53D/Qt53DConfig.cmake
/usr/lib/x86_64-linux-gnu/libQt53D.prl
/usr/lib/x86_64-linux-gnu/libQt53DQuick.so
/usr/lib/x86_64-linux-gnu/libQt53D.so