Errors

use_warnings

Graph::Maker::Beineke, Graph::Maker::BinaryBeanstalk, Graph::Maker::BinomialTree, Graph::Maker::FibonacciTree, Graph::Maker::Hanoi, Graph::Maker::Johnson, Graph::Maker::Keller, Graph::Maker::Kneser, Graph::Maker::KnightGrid, Graph::Maker::TwindragonAreaTree

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 05 Mar 2016 08:53:23 AM JST
gpg:                using DSA key 2C5302215F6ADD3A
gpg: Can't check signature: No public key