Looks like that install_linux command needs some different terminal than default sakura. Can you try installing xterm with pacman?
You can download package from
https://www.archlinux.org/packages/extra/i686/xterm/download/
and install it with: pacman -U xterm*
also this dependency: libutempter
https://www.archlinux.org/packages/extra/i686/libutempter/download/