we need lot's of RAM for the RAM disks used for during building
typo
use svn - it's much quicker

and on this particular host all other protocols simply failed to download
build the image from pre-compiled binaries

using the config provided by 'asteriskRoss' https://forums.freebsd.org/threads/building-a-nanobsd-image-quickly-using-pre-compiled-binaries.43590/