>>> Downloading 'http://gentoo.osuosl.org/distfiles/gentoo-headers-base-3.18.tar.xz' --2014-12-31 10:01:06-- http://gentoo.osuosl.org/distfiles/gentoo-headers-base-3.18.tar.xz Resolving gentoo.osuosl.org... 64.50.233.100, 64.50.236.52 Connecting to gentoo.osuosl.org|64.50.233.100|:80... connected. HTTP request sent, awaiting response... 404 Not Found 2014-12-31 10:01:07 ERROR 404: Not Found. !!! Couldn't download 'gentoo-headers-base-3.18.tar.xz'. Aborting. Reproducible: Always