language: ruby
dist: trusty
sudo: false
before_install:
  - gem update bundler
before_script:
  - bundle update
cache: bundler
rvm:
  - 1.9.3-p551
  - 2.0.0-p648
  - 2.1.10
  - 2.2.8
  - 2.3.5
  - 2.4.2
  - ruby-head
  - jruby-1.7.27
  - jruby-9.1.13.0
  - jruby-head
  - rbx-3.86
matrix:
  allow_failures:
    - rvm: ruby-head
    - rvm: jruby-head

language: ruby
dist: trusty
sudo: false
before_install:
  - [[ $TRAVIS_RUBY_VERSION = rbx-3.86 ]] && gem update --system 2.6.14
  - gem update bundler
before_script:
  - bundle update
cache: bundler
rvm:
  - 1.9.3-p551
  - 2.0.0-p648
  - 2.1.10
  - 2.2.8
  - 2.3.5
  - 2.4.2
  - ruby-head
  - jruby-1.7.27
  - jruby-9.1.13.0
  - jruby-head
  - rbx-3.86
matrix:
  allow_failures:
    - rvm: ruby-head
    - rvm: jruby-head

Downgrade to RubyGems 2.6.14 for Rubinius.
Downgrade to RubyGems 2.6.14 for Rubinius.

RubyGems 2.7.1 causes a 'Missing or uninitialized constant:
Bundler::Deprecate' error with rbx 3.86.

https://travis-ci.org/tzinfo/tzinfo/jobs/297722755
