Bench init frappe-becnh error?

hi,
user@ubuntu:~/users$ bench init frappe-bench && cd frappe-bench
Already using interpreter /usr/bin/python
/home/user/users/frappe-bench/env/local/lib/python2.7/site-packages/pip/vendor/requests/packages/urllib3/util/ssl.py:90: InsecurePlatformWarning: A true SSLContext object is not available. This prevents urllib3 from configuring SSL appropriately and may cause certain SSL connections to fail. For more information, see https://urllib3.readthedocs.org/en/latest/security.html#insecureplatformwarning.
InsecurePlatformWarning
/home/user/users/frappe-bench/env/local/lib/python2.7/site-packages/pip/vendor/requests/packages/urllib3/util/ssl.py:90: InsecurePlatformWarning: A true SSLContext object is not available. This prevents urllib3 from configuring SSL appropriately and may cause certain SSL connections to fail. For more information, see https://urllib3.readthedocs.org/en/latest/security.html#insecureplatformwarning.
InsecurePlatformWarning
/home/user/users/frappe-bench/env/local/lib/python2.7/site-packages/pip/vendor/requests/packages/urllib3/util/ssl.py:90: InsecurePlatformWarning: A true SSLContext object is not available. This prevents urllib3 from configuring SSL appropriately and may cause certain SSL connections to fail. For more information, see https://urllib3.readthedocs.org/en/latest/security.html#insecureplatformwarning.
InsecurePlatformWarning
/home/user/users/frappe-bench/env/local/lib/python2.7/site-packages/pip/vendor/requests/packages/urllib3/util/ssl.py:90: InsecurePlatformWarning: A true SSLContext object is not available. This prevents urllib3 from configuring SSL appropriately and may cause certain SSL connections to fail. For more information, see https://urllib3.readthedocs.org/en/latest/security.html#insecureplatformwarning.
InsecurePlatformWarning
INFO:bench.app:getting app frappe
Cloning into ‘frappe’…
remote: Counting objects: 90073, done.
remote: Compressing objects: 100% (189/189), done.
remote: Total 90073 (delta 99), reused 0 (delta 0), pack-reused 89884
Receiving objects: 100% (90073/90073), 59.86 MiB | 842 KiB/s, done.
Resolving deltas: 100% (65860/65860), done.
installing frappe
INFO:bench.app:installing frappe
/home/user/users/frappe-bench/env/local/lib/python2.7/site-packages/pip/vendor/requests/packages/urllib3/util/ssl.py:90: InsecurePlatformWarning: A true SSLContext object is not available. This prevents urllib3 from configuring SSL appropriately and may cause certain SSL connections to fail. For more information, see https://urllib3.readthedocs.org/en/latest/security.html#insecureplatformwarning.
InsecurePlatformWarning
INFO:bench.utils:setting up backups
npm http GET https://registry.npmjs.org/socket.io
npm http GET https://registry.npmjs.org/redis
npm http GET https://registry.npmjs.org/express
npm http GET https://registry.npmjs.org/superagent
npm http GET https://registry.npmjs.org/cookie

npm ERR! Error: failed to fetch from registry: socket.io
npm ERR! at /usr/share/npm/lib/utils/npm-registry-client/get.js:139:12
npm ERR! at cb (/usr/share/npm/lib/utils/npm-registry-client/request.js:31:9)
npm ERR! at Request._callback (/usr/share/npm/lib/utils/npm-registry-client/request.js:136:18)
npm ERR! at Request.callback (/usr/lib/nodejs/request/main.js:119:22)
npm ERR! at Request. (/usr/lib/nodejs/request/main.js:212:58)
npm ERR! at Request.emit (events.js:88:20)
npm ERR! at ClientRequest. (/usr/lib/nodejs/request/main.js:412:12)
npm ERR! at ClientRequest.emit (events.js:67:17)
npm ERR! at HTTPParser.onIncoming (http.js:1261:11)
npm ERR! at HTTPParser.onHeadersComplete (http.js:102:31)
npm ERR! You may report this log at:
npm ERR! http://bugs.debian.org/npm
npm ERR! or use
npm ERR! reportbug --attach /home/user/users/frappe-bench/npm-debug.log npm
npm ERR!
npm ERR! System Linux 3.13.0-45-generic
npm ERR! command “node” “/usr/bin/npm” “install” “socket.io” “redis” “express” “superagent” “cookie”
npm ERR! cwd /home/user/users/frappe-bench
npm ERR! node -v v0.6.12
npm ERR! npm -v 1.1.4
npm ERR! message failed to fetch from registry: socket.io
npm ERR!
npm ERR! Additional logging details can be found in:
npm ERR! /home/user/users/frappe-bench/npm-debug.log
npm not ok
Traceback (most recent call last):
File “/usr/local/bin/bench”, line 9, in
load_entry_point(‘bench==0.0.0’, ‘console_scripts’, ‘bench’)()
File “/home/user/users/bench/apps/bench/bench/cli.py”, line 60, in cli
bench()
File “/usr/local/lib/python2.7/dist-packages/click-6.2-py2.7.egg/click/core.py”, line 716, in call
return self.main(*args, **kwargs)
File “/usr/local/lib/python2.7/dist-packages/click-6.2-py2.7.egg/click/core.py”, line 696, in main
rv = self.invoke(ctx)
File “/usr/local/lib/python2.7/dist-packages/click-6.2-py2.7.egg/click/core.py”, line 1060, in invoke
return _process_result(sub_ctx.command.invoke(sub_ctx))
File “/usr/local/lib/python2.7/dist-packages/click-6.2-py2.7.egg/click/core.py”, line 889, in invoke
return ctx.invoke(self.callback, **ctx.params)
File “/usr/local/lib/python2.7/dist-packages/click-6.2-py2.7.egg/click/core.py”, line 534, in invoke
return callback(*args, **kwargs)
File “/home/user/users/bench/apps/bench/bench/cli.py”, line 166, in init
no_auto_update=no_auto_update, frappe_path=frappe_path, frappe_branch=frappe_branch, verbose=verbose)
File “/home/user/users/bench/apps/bench/bench/utils.py”, line 83, in init
setup_socketio(bench=path)
File “/home/user/users/bench/apps/bench/bench/utils.py”, line 115, in setup_socketio
exec_cmd(“npm install socket.io redis express superagent cookie”, cwd=bench)
File “/home/user/users/bench/apps/bench/bench/utils.py”, line 105, in exec_cmd
raise CommandFailedError(cmd)
bench.utils.CommandFailedError: npm install socket.io redis express superagent cookie