This is a Bug Report

Description

For bug reports:

• What went wrong?

when running “npm install -g serverless”, it fail.

root@backup:~# npm install -g serverless
npm WARN registry Unexpected warning for https://registry.npmjs.org/: Miscellaneous Warning EINTEGRITY: sha1-wZyd+aAocC1nhhI4SmVSQExjbRU= integrity checksum failed when using sha1: wanted sha1-wZyd+aAocC1nhhI4SmVSQExjbRU= but got sha512-MJTUg1kjuLeQCJ+ccE4Vpa6kKVXkPYJ2mOCQyUuKLcLQsdrMCpBPUi8qVE6+YuaJkozeA9NusTAw3hLr8Xe5EQ==. (15621 bytes)
npm WARN registry Using stale package data from https://registry.npmjs.org/ due to a request error during revalidation.
/root/.nvm/versions/node/v8.1.4/bin/serverless -> /root/.nvm/versions/node/v8.1.4/lib/node_modules/serverless/bin/serverless
/root/.nvm/versions/node/v8.1.4/bin/slss -> /root/.nvm/versions/node/v8.1.4/lib/node_modules/serverless/bin/serverless
/root/.nvm/versions/node/v8.1.4/bin/sls -> /root/.nvm/versions/node/v8.1.4/lib/node_modules/serverless/bin/serverless

> spawn-sync@1.0.15 postinstall /root/.nvm/versions/node/v8.1.4/lib/node_modules/serverless/node_modules/spawn-sync
> node postinstall

module.js:328
    throw err;
    ^

Error: Cannot find module '/root/.nvm/versions/node/v8.1.4/lib/node_modules/serverless/node_modules/spawn-sync/postinstall'
    at Function.Module._resolveFilename (module.js:326:15)
    at Function.Module._load (module.js:277:25)
    at Function.Module.runMain (module.js:442:10)
    at startup (node.js:136:18)
    at node.js:966:3
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! spawn-sync@1.0.15 postinstall: `node postinstall`
npm ERR! Exit status 1
npm ERR! 
npm ERR! Failed at the spawn-sync@1.0.15 postinstall script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR!     /root/.npm/_logs/2017-09-28T09_13_12_283Z-debug.log
root@backup:~# 

• What did you expect should have happened?

Install serverless with out error.

• What was the config you used?

root@backup:~# node --version
v8.1.4
root@backup:~# which node
/root/.nvm/versions/node/v8.1.4/bin/node
root@backup:~# 

• What stacktrace or error message from your provider did you see?

Additional Data

• Serverless Framework Version you’re using:

Install failed.

• Operating System:

Ubuntu 16.04

• Stack Trace:

Posted full error above, if any other info required, let me know.

• Provider Error messages: