/usr/share/perl5/ is in libmoosex-attribute-chained-perl 1.0.3-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/perl5/Moose/
/usr/share/perl5/Moose/Meta/
/usr/share/perl5/Moose/Meta/Attribute/
/usr/share/perl5/Moose/Meta/Attribute/Custom/
/usr/share/perl5/Moose/Meta/Attribute/Custom/Trait/
/usr/share/perl5/Moose/Meta/Attribute/Custom/Trait/Chained.pm
/usr/share/perl5/MooseX/
/usr/share/perl5/MooseX/Attribute/
/usr/share/perl5/MooseX/Attribute/Chained.pm
/usr/share/perl5/MooseX/Attribute/ChainedClone.pm
/usr/share/perl5/MooseX/ChainedAccessors/
/usr/share/perl5/MooseX/ChainedAccessors/Accessor.pm
/usr/share/perl5/MooseX/ChainedAccessors.pm
/usr/share/perl5/MooseX/Traits/
/usr/share/perl5/MooseX/Traits/Attribute/
/usr/share/perl5/MooseX/Traits/Attribute/Chained.pm