$ git clone https://github.com/uberhacker/crew-docker.git
$ sudo cp crew-docker/crew-docker /usr/local/bin
$ rm -rf crew-docker
$ cd /path/to/projects
$ git clone https://github.com/chromebrew/chromebrew.git
$ mkdir pkg_cache

$ cd /path/to/projects (the parent directory where chromebrew was cloned)
$ crew-docker armv7l|i686|x86_64 [chipset milestone]

$ crew-docker armv7l (installs fievel m91)
$ crew-docker arm strongbad m120
$ crew-docker x86_64 (installs nocturne m90)
$ crew-docker x64 nocturne m120
$ crew-docker x86 (installs alex m58)