/usr/ is in liblua5.1-event-dev 0.3.1-3.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/doc/
/usr/share/doc/liblua5.1-event-dev/
/usr/share/doc/liblua5.1-event-dev/copyright
/usr/share/doc/liblua5.1-event-dev/index.mdwn
/usr/share/doc/liblua5.1-event-dev/api.mdwn
/usr/share/doc/liblua5.1-event-dev/modules/
/usr/share/doc/liblua5.1-event-dev/modules/luaevent.core.bufferevent.mdwn
/usr/share/doc/liblua5.1-event-dev/modules/luaevent.core.mdwn
/usr/share/doc/liblua5.1-event-dev/modules/luaevent.core.buffer.mdwn
/usr/include/
/usr/include/lua5.1/
/usr/include/lua5.1/lua-event.h
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/lua5.1-event.pc
/usr/lib/x86_64-linux-gnu/liblua5.1-event.a
/usr/share/doc/liblua5.1-event-dev/README
/usr/share/doc/liblua5.1-event-dev/changelog.Debian.gz
/usr/lib/x86_64-linux-gnu/liblua5.1-event.so