Errors

use_strict

Tie::Array::Queue, Tie::Array::Stack

use_warnings

Attribute::QueueStack, Tie::Array::Queue, Tie::Array::Stack

valid_signature

Old SIGNATURE detected. Please inform the module author to regenerate SIGNATURE using Module::Signature version 0.82 or newer.
gpg: Signature made Mon 17 Jun 2013 08:56:23 AM JST
gpg:                using DSA key CEBF81286A2A7D39
gpg: Can't check signature: No public key