install_package "rubinius-2.2.8" "https://github.com/rubinius/rubinius/releases/download/v2.2.8/rubinius-2.2.8.tar.bz2#dc29a67016eb6c7c2e3d0fd256594cf40d88f3b29989c0099fef2dcecf251fc8" warn_eol rbx