npm ERR! Linux 3.13.0-40-generic
npm ERR! argv "/home/travis/.nvm/versions/node/v6.5.0/bin/node" "/home/travis/.nvm/versions/node/v6.5.0/bin/npm" "install"
npm ERR! node v6.5.0
npm ERR! npm  v3.10.3
npm ERR! file sh
npm ERR! code ELIFECYCLE
npm ERR! errno ENOENT
npm ERR! syscall spawn
npm ERR! [email protected] install: `node build.js || nodejs build.js`
npm ERR! spawn ENOENT
npm ERR! 
npm ERR! Failed at the [email protected] install script 'node build.js || nodejs build.js'.
npm ERR! Make sure you have the latest version of node.js and npm installed.
npm ERR! If you do, this is most likely a problem with the fibers package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR!     node build.js || nodejs build.js
npm ERR! You can get information on how to open an issue for this project with:
npm ERR!     npm bugs fibers
npm ERR! Or if that isn't available, you can get their info via:
npm ERR!     npm owner ls fibers

[email protected] 
└─┬ [email protected]
  └─┬ [email protected]
    └── [email protected]