/usr/ is in lua-luxio 13-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/
/usr/share/doc/lua-luxio/
/usr/lib/x86_64-linux-gnu/lua/
/usr/lib/x86_64-linux-gnu/lua/5.1/
/usr/lib/x86_64-linux-gnu/lua/5.2/
/usr/lib/x86_64-linux-gnu/lua/5.3/
/usr/share/
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/liblua5.1-luxio.so.0.0.0
/usr/lib/x86_64-linux-gnu/liblua5.2-luxio.so.0.0.0
/usr/lib/x86_64-linux-gnu/liblua5.3-luxio.so.0.0.0
/usr/share/doc/lua-luxio/README
/usr/share/doc/lua-luxio/changelog.Debian.gz
/usr/share/doc/lua-luxio/copyright
/usr/share/lua/
/usr/share/lua/5.1/
/usr/share/lua/5.1/luxio/
/usr/share/lua/5.1/luxio/event.lua
/usr/share/lua/5.1/luxio/mq.lua
/usr/share/lua/5.1/luxio/serialise.lua
/usr/share/lua/5.1/luxio/simple.lua
/usr/share/lua/5.1/luxio/socket.lua
/usr/share/lua/5.1/luxio/subprocess.lua
/usr/share/lua/5.1/luxio/wrapper.lua
/usr/share/lua/5.2/
/usr/share/lua/5.2/luxio/
/usr/share/lua/5.3/
/usr/share/lua/5.3/luxio/
/usr/lib/x86_64-linux-gnu/liblua5.1-luxio.so.0
/usr/lib/x86_64-linux-gnu/liblua5.2-luxio.so.0
/usr/lib/x86_64-linux-gnu/liblua5.3-luxio.so.0
/usr/lib/x86_64-linux-gnu/lua/5.1/luxio.so
/usr/lib/x86_64-linux-gnu/lua/5.2/luxio.so
/usr/lib/x86_64-linux-gnu/lua/5.3/luxio.so
/usr/share/lua/5.2/luxio/event.lua
/usr/share/lua/5.2/luxio/mq.lua
/usr/share/lua/5.2/luxio/serialise.lua
/usr/share/lua/5.2/luxio/simple.lua
/usr/share/lua/5.2/luxio/socket.lua
/usr/share/lua/5.2/luxio/subprocess.lua
/usr/share/lua/5.2/luxio/wrapper.lua
/usr/share/lua/5.3/luxio/event.lua
/usr/share/lua/5.3/luxio/mq.lua
/usr/share/lua/5.3/luxio/serialise.lua
/usr/share/lua/5.3/luxio/simple.lua
/usr/share/lua/5.3/luxio/socket.lua
/usr/share/lua/5.3/luxio/subprocess.lua
/usr/share/lua/5.3/luxio/wrapper.lua