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

Revision history for Sub::Disable.

1.02 Tue Mar 29 21:43:19 MSK 2016
    - fix tests

1.01 Mon Mar 28 21:51:09 MSK 2016
    - fix compilation on Win32

1.00 Tue May 12 12:56:13 MSK 2015
    - initial release