brunch.ioのインストールに失敗した(ansi-colorのせい？)

Nodeよくわからん人です。

ansi-colorで失敗しているらしい。

$ npm install -g brunch
（略）
npm http 304 https://registry.npmjs.org/connect-slashes
npm http 304 https://registry.npmjs.org/ansi-color
npm http GET http://packages:5984/ansi-color/-/ansi-color-0.2.1.tgz
npm ERR! fetch failed http://packages:5984/ansi-color/-/ansi-color-0.2.1.tgz
（略）
npm http GET http://packages:5984/ansi-color/-/ansi-color-0.2.1.tgz
npm ERR! fetch failed http://packages:5984/ansi-color/-/ansi-color-0.2.1.tgz
npm http GET http://packages:5984/ansi-color/-/ansi-color-0.2.1.tgz
npm ERR! fetch failed http://packages:5984/ansi-color/-/ansi-color-0.2.1.tgz
npm ERR! network getaddrinfo ENOTFOUND
npm ERR! network This is most likely not a problem with npm itself
npm ERR! network and is related to network connectivity.
npm ERR! network In most cases you are behind a proxy or have bad network settings.
npm ERR! network 
npm ERR! network If you are behind a proxy, please make sure that the
npm ERR! network 'proxy' config is set properly.  See: 'npm help config'

npm ERR! System Darwin 13.0.0
npm ERR! command "/usr/local/Cellar/node/0.10.25/bin/node" "/usr/local/bin/npm" "install" "-g" "brunch"
npm ERR! cwd /Users/myname/Works/demo/frontend
npm ERR! node -v v0.10.25
npm ERR! npm -v 1.3.24
npm ERR! syscall getaddrinfo
npm ERR! code ENOTFOUND
npm ERR! errno ENOTFOUND
npm ERR! 
npm ERR! Additional logging details can be found in:
npm ERR!     /Users/myname/Works/demo/npm-debug.log
npm ERR! not ok code 0

別にansi-colorをインストールしたらいけたっぽい。

$ npm install -g ansi-color
$ npm install -g brunch

※やべー、再現しない