mix phoenix.new hangs on deps.get

gistfile1.txt

$ mix phoenix.new test_project
[...]
* creating test_project/web/static/assets/robots.txt
* creating test_project/web/static/assets/images/phoenix.png
* creating test_project/web/static/assets/favicon.ico

Fetch and install dependencies? [Yn] Y
* running npm install && node node_modules/brunch/bin/brunch build
* running mix deps.get

*********** waits a REALLY long time. every time. ***********
Examples:  2:15.46, 1:46.35 (min:sec)

We are all set! Run your Phoenix application:

    $ cd test_project
    $ mix ecto.create
    $ mix phoenix.server

You can also run your app inside IEx (Interactive Elixir) as:

    $ iex -S mix phoenix.server

$