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

ZWON / Test-Syntax-Aggregate-0.03 / Changes 
Revision history for Test-Syntax-Aggregate

0.03 Mon Jul 25 2011 Pavel Shaydo <zwon@cpan.org>
    * add hide_warnings parameter
    * fix dependencies

0.02 Thu Jul 21 2011 Pavel Shaydo <zwon@cpan.org>
    * Change to script directory before compiling
    * Don't execute END blocks of checked scripts

0.01 Wed Jul 20 2011 Pavel Shaydo <zwon@cpan.org>
    * First version, released on an unsuspecting world.