The X11 fonts for boust-0.161p1 have been installed to

  /usr/local/lib/X11/fonts/boust

You must add them to your X11 font paths with the
following command:

  xset +fp /usr/local/lib/X11/fonts/boust

To enable this permanently when the X11 server is
started, add

  FontPath "/usr/local/lib/X11/fonts/boust"

in the "Files" section of your xorg.conf file.
