Errors

use_warnings

X11::AtomConstants, X11::Protocol::Ext::Composite, X11::Protocol::Ext::DAMAGE, X11::Protocol::Ext::MIT_SCREEN_SAVER, X11::Protocol::Ext::MIT_SHM, X11::Protocol::Ext::MIT_SUNDRY_NONSTANDARD, X11::Protocol::Ext::XFIXES, X11::Protocol::Ext::XINERAMA, X11::Protocol::Ext::X_Resource, X11::Protocol::GrabServer, X11::Protocol::Other, X11::Protocol::WM, X11::Protocol::XSetRoot

valid_signature

Old SIGNATURE detected. Please inform the module author to regenerate SIGNATURE using Module::Signature version 0.82 or newer.
gpg: Signature made Tue 10 May 2011 07:36:52 AM JST
gpg:                using DSA key 2C5302215F6ADD3A
gpg: Can't check signature: No public key
==> BAD/TAMPERED signature detected! <==