There is an ongoing outage on the primary CPAN mirror. It is possible to work around the issue by using MetaCPAN as a mirror.

CAVAC / Acme-December-Eternal-1.0 / Changes 
@  changeset:   0:3a6ad5d958b0
   tag:         tip
   user:        Rene Schickbauer <cavac@blackmesa>
   date:        Wed Nov 27 15:52:55 2019 +0100
   summary:     Initial checkin