dev-lang/perl-5.20.1 wants to download http://dev.gentoo.org/~civil/distfiles/dev-lang/perl/perl-5.20.1-patches-1.tar.bz2 which fails: Perhaps there is a typo in the the address?
>>> Downloading 'http://gentoo.osuosl.org/distfiles/perl-5.20.1-patches-1.tar.bz2' --2014-09-15 21:56:22-- http://gentoo.osuosl.org/distfiles/perl-5.20.1-patches-1.tar.bz2 Resolving gentoo.osuosl.org (gentoo.osuosl.org)... 64.50.236.52, 64.50.233.100 Connecting to gentoo.osuosl.org (gentoo.osuosl.org)|64.50.236.52|:80... connected. HTTP request sent, awaiting response... 404 Not Found 2014-09-15 21:56:22 ERROR 404: Not Found. >>> Downloading 'http://gentoo-distfiles.mirrors.tds.net/distfiles/perl-5.20.1-patches-1.tar.bz2' --2014-09-15 21:56:22-- http://gentoo-distfiles.mirrors.tds.net/distfiles/perl-5.20.1-patches-1.tar.bz2 Resolving gentoo-distfiles.mirrors.tds.net (gentoo-distfiles.mirrors.tds.net)... 216.165.129.135 Connecting to gentoo-distfiles.mirrors.tds.net (gentoo-distfiles.mirrors.tds.net)|216.165.129.135|:80... connected. HTTP request sent, awaiting response... 404 Not Found 2014-09-15 21:56:22 ERROR 404: Not Found. >>> Downloading 'http://ftp.halifax.rwth-aachen.de/gentoo/distfiles/perl-5.20.1-patches-1.tar.bz2' --2014-09-15 21:56:23-- http://ftp.halifax.rwth-aachen.de/gentoo/distfiles/perl-5.20.1-patches-1.tar.bz2 Resolving ftp.halifax.rwth-aachen.de (ftp.halifax.rwth-aachen.de)... 137.226.34.42 Connecting to ftp.halifax.rwth-aachen.de (ftp.halifax.rwth-aachen.de)|137.226.34.42|:80... connected. HTTP request sent, awaiting response... 404 Not Found 2014-09-15 21:56:23 ERROR 404: Not Found. >>> Downloading 'http://gentoo.ussg.indiana.edu/distfiles/perl-5.20.1-patches-1.tar.bz2' --2014-09-15 21:56:23-- http://gentoo.ussg.indiana.edu/distfiles/perl-5.20.1-patches-1.tar.bz2 Resolving gentoo.ussg.indiana.edu (gentoo.ussg.indiana.edu)... 156.56.247.195 Connecting to gentoo.ussg.indiana.edu (gentoo.ussg.indiana.edu)|156.56.247.195|:80... connected. HTTP request sent, awaiting response... 404 Not Found 2014-09-15 21:56:23 ERROR 404: Not Found. >>> Downloading 'http://dev.gentoo.org/~civil/distfiles/dev-lang/perl/perl-5.20.1-patches-1.tar.bz2' --2014-09-15 21:56:23-- http://dev.gentoo.org/~civil/distfiles/dev-lang/perl/perl-5.20.1-patches-1.tar.bz2 Resolving dev.gentoo.org (dev.gentoo.org)... 140.211.166.183, 2001:470:ea4a:1:214:c2ff:fe64:b2d3 Connecting to dev.gentoo.org (dev.gentoo.org)|140.211.166.183|:80... connected. HTTP request sent, awaiting response... 404 Not Found 2014-09-15 21:56:24 ERROR 404: Not Found. !!! Couldn't download 'perl-5.20.1-patches-1.tar.bz2'. Aborting.
Fixed (extension should have been .xz)