install_package "rubinius-2.5.4" "https://github.com/rubinius/rubinius/releases/download/v2.5.4/rubinius-2.5.4.tar.bz2#ed7104f6177dc2c5be346e5a7349118601d8b0b0a37eb76fa1a78da21b3fbcfc" warn_eol rbx