Errors

all_prereq_is_indexed
runtime_requires rt (4.4.0) is not indexed
valid_signature
Old SIGNATURE detected. Please inform the module author to regenerate SIGNATURE using Module::Signature version 0.82 or newer.
gpg: Signature made Fri 06 Jan 2017 12:55:50 AM JST
gpg:                using RSA key C496C11ADC695401
gpg: Can't check signature: No public key
==> BAD/TAMPERED signature detected! <==