yarn-error.log

Arguments: 
  /usr/local/bin/node /usr/local/Cellar/yarn/1.5.1_1/libexec/bin/yarn.js

PATH: 
  /Users/cameronjenkinson/google-cloud-sdk/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin

Yarn version: 
  1.5.1

Node version: 
  8.9.1

Platform: 
  darwin x64

npm manifest: 
  {
    "name": "orbit-server",
    "version": "1.0.0",
    "description": "Backend for Orbit project",
    "main": "app.js",
    "scripts": {
      "start": "nodemon app.js",
      "test": "echo \"Error: no test specified\" && exit 1"
    },
    "repository": {
      "type": "git",
      "url": "git+https://github.com/cjjenkinson/orbit-server.git"
    },
    "author": "Ben Eisenberg & Cameron Jenkinson & Giovanni Montanari & Tom Moore & George Perry",
    "license": "ISC",
    "bugs": {
      "url": "https://github.com/cjjenkinson/orbit-server/issues"
    },
    "homepage": "https://github.com/cjjenkinson/orbit-server#readme",
    "dependencies": {
      "atob": "^2.0.3",
      "bcrypt": "^1.0.3",
      "dotenv": "^5.0.1",
      "kcors": "^2.2.1",
      "koa": "^2.5.0",
      "koa-bodyparser": "^4.2.0",
      "koa-compress": "^2.0.0",
      "koa-logger": "^3.2.0",
      "koa-route": "^3.2.0",
      "koa-router": "^7.4.0",
      "lodash": "^4.17.5",
      "mongoose": "^5.0.10",
      "nodemon": "^1.17.2",
      "uuid": "^3.2.1"
    },
    "devDependencies": {
      "eslint": "^4.10.0",
      "eslint-plugin-json": "^1.2.0",
      "mocha": "^2.1.0",
      "supertest": "^2.0.0"
    },
    "engines": {
      "node": "6.4.0",
      "npm": "3.10.7"
    }
  }

yarn manifest: 
  No manifest

Lockfile: 
  No lockfile

Trace: 
  Error: Found incompatible module
      at new MessageError (/usr/local/Cellar/yarn/1.5.1_1/libexec/lib/cli.js:186:110)
      at Object.checkOne (/usr/local/Cellar/yarn/1.5.1_1/libexec/lib/cli.js:62444:11)
      at /usr/local/Cellar/yarn/1.5.1_1/libexec/lib/cli.js:22773:75
      at Generator.next (<anonymous>)
      at step (/usr/local/Cellar/yarn/1.5.1_1/libexec/lib/cli.js:98:30)
      at /usr/local/Cellar/yarn/1.5.1_1/libexec/lib/cli.js:116:14
      at new Promise (<anonymous>)
      at new F (/usr/local/Cellar/yarn/1.5.1_1/libexec/lib/cli.js:23451:28)
      at /usr/local/Cellar/yarn/1.5.1_1/libexec/lib/cli.js:95:12
      at /usr/local/Cellar/yarn/1.5.1_1/libexec/lib/cli.js:22777:27