Errors

all_prereq_is_indexed

runtime_requires rt (4.0.0) 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 Wed 12 Sep 2012 07:05:20 PM JST
gpg:                using DSA key 5859316517CBC172
gpg: Can't check signature: No public key
==> BAD/TAMPERED signature detected! <==