language: ruby
rvm:
  - 2.0
  - 2.1
  - 2.2
  - 2.3
  - 2.4
  - 2.5
cache:
  directories: vendor/bundle
before_install:
  - gem update --system
  - gem --version

language: ruby
rvm:
  - 2.0
  - 2.1
  - 2.2
  - 2.3
  - 2.4
  - 2.5
cache:
  directories: vendor/bundle

Fix failing installation of rubygems
Fix failing installation of rubygems