Errors

use_warnings

IO::Plumbing::Bucket, IO::Plumbing::Hose, IO::Plumbing::PRNG, IO::Plumbing::Plug, IO::Plumbing::Util, IO::Plumbing::Vent

valid_signature

Old SIGNATURE detected. Please inform the module author to regenerate SIGNATURE using Module::Signature version 0.82 or newer.
gpg: Signature made Thu 21 Aug 2008 10:43:15 AM JST
gpg:                using DSA key FC06408866B25843
gpg: Can't check signature: No public key
==> BAD/TAMPERED signature detected! <==