yarn-error.log

Arguments: 
  /home/vagrant/.nvm/versions/node/v10.14.2/bin/node /home/vagrant/.yarn/bin/yarn.js add http-auth@3.2.3

PATH: 
  /home/vagrant/.yarn/bin:/home/vagrant/.config/yarn/global/node_modules/.bin:/home/vagrant/.nvm/versions/node/v10.14.2/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin

Yarn version: 
  1.13.0

Node version: 
  10.14.2

Platform: 
  linux x64

Trace: 
  Error: EPROTO: protocol error, symlink '../../../acorn/bin/acorn' -> '/home/vagrant/workspace/node-js-http/node_modules/acorn-globals/node_modules/.bin/acorn'

npm manifest: 
  {
    "name": "node-js-http",
    "version": "1.0.0",
    "description": "",
    "main": "index.js",
    "scripts": {
      "test": "echo \"Error: no test specified\" && exit 1"
    },
    "author": "",
    "license": "ISC",
    "dependencies": {
      "pug": "^2.0.0-rc.4"
    },
    "engines": {
      "node": "~10"
    }
  }

yarn manifest: 
  No manifest

Lockfile: 
  No lockfile