yarn-error.log

Arguments: 
  /Users/erickmoreno/.nvm/versions/node/v6.16.0/bin/node /usr/local/Cellar/yarn/1.15.2/libexec/bin/yarn.js install

PATH: 
  /Users/erickmoreno/.nvm/versions/node/v6.16.0/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin

Yarn version: 
  1.15.2

Node version: 
  6.16.0

Platform: 
  darwin x64

Trace: 
  Error: https://registry.yarnpkg.com/@material-ui%2fcore: ESOCKETTIMEDOUT
      at ClientRequest.<anonymous> (/usr/local/Cellar/yarn/1.15.2/libexec/lib/cli.js:130168:19)
      at ClientRequest.g (events.js:292:16)
      at emitNone (events.js:86:13)
      at ClientRequest.emit (events.js:185:7)
      at TLSSocket.emitTimeout (_http_client.js:644:10)
      at TLSSocket.g (events.js:292:16)
      at emitNone (events.js:86:13)
      at TLSSocket.emit (events.js:185:7)
      at TLSSocket.Socket._onTimeout (net.js:348:8)
      at ontimeout (timers.js:386:11)

npm manifest: 
  {
    "name": "valentino-ui",
    "version": "0.1.0",
    "private": true,
    "dependencies": {
      "@material-ui/core": "^3.9.3",
      "@material-ui/icons": "^3.0.2",
      "apollo-boost": "^0.3.1",
      "axios": "^0.18.0",
      "graphql": "^14.2.1",
      "query-string": "^6.4.2",
      "react": "^16.8.6",
      "react-apollo": "^2.5.4",
      "react-dom": "^16.8.6",
      "react-helmet": "^5.2.0",
      "react-intl": "^2.8.0",
      "react-router-dom": "^5.0.0",
      "react-scripts": "2.1.8"
    },
    "scripts": {
      "start": "react-scripts start",
      "build": "react-scripts build",
      "test": "react-scripts test",
      "eject": "react-scripts eject"
    },
    "eslintConfig": {
      "extends": "react-app"
    },
    "browserslist": [
      ">0.2%",
      "not dead",
      "not ie <= 11",
      "not op_mini all"
    ]
  }

yarn manifest: 
  No manifest

Lockfile: 
  No lockfile