/usr/lib/ is in libdata-messagepack-perl 0.48-1+b1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/perl5/
/usr/lib/x86_64-linux-gnu/perl5/5.20/
/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/
/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/Data/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/Data/MessagePack/
/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/Data/MessagePack/MessagePack.so
/usr/lib/x86_64-linux-gnu/perl5/5.20/Data/
/usr/lib/x86_64-linux-gnu/perl5/5.20/Data/MessagePack.pm
/usr/lib/x86_64-linux-gnu/perl5/5.20/Data/MessagePack/
/usr/lib/x86_64-linux-gnu/perl5/5.20/Data/MessagePack/PP.pm
/usr/lib/x86_64-linux-gnu/perl5/5.20/Data/MessagePack/Unpacker.pod
/usr/lib/x86_64-linux-gnu/perl5/5.20/Data/MessagePack/Boolean.pm