Errors

use_warnings

Time::Duration::Filter, Time::Duration::Locale, Time::Duration::LocaleObject, Time::Duration::en_PIGLATIN

valid_signature

Old SIGNATURE detected. Please inform the module author to regenerate SIGNATURE using Module::Signature version 0.82 or newer.
gpg: Signature made Sat 26 Jan 2013 06:56:53 AM JST
gpg:                using DSA key 2C5302215F6ADD3A
gpg: Can't check signature: No public key
==> BAD/TAMPERED signature detected! <==