sudo: false
language: node_js
node_js:
  - "8"
install:
  - npm install npm -g
  - npm config set audit false
  - npm ci
script:
  - npm run travis-ci
env:
  - CXX=g++-4.8
addons:
  apt:
    sources:
    - ubuntu-toolchain-r-test
    packages:
    - g++-4.8

sudo: false
language: node_js
node_js:
  - "8"
install:
  - npm install npm -g
  - npm config set audit false
  - npm install
script:
  - npm run travis-ci
env:
  - CXX=g++-4.8
addons:
  apt:
    sources:
    - ubuntu-toolchain-r-test
    packages:
    - g++-4.8

Revert to npm install from npm ci
Revert to npm install from npm ci

Due to TravisCI issues:

0.49s$ npm ci
npm ERR! Unexpected string in JSON at position 609390
npm ERR! A complete log of this run can be found in:
npm ERR!     /home/travis/.npm/_logs/2018-07-25T19_59_42_628Z-debug.log
The command "npm ci" failed and exited with 1 during .
