.travis.yml in in_threads-1.3.1 vs .travis.yml in in_threads-1.4.0

@@ -1,22 +1,25 @@
+sudo: false
 language: ruby
 rvm:
-  - 1.8.7
-  - 1.9.2
-  - 1.9.3
-  - '2.0'
-  - '2.1'
-  - '2.2'
-  - jruby-18mode
-  - jruby-19mode
-  - ree
-script:
-  if [ -z "$RUBOCOP" ]; then
-    bundle exec rspec
-  ; else
-    bundle exec rubocop
-  ; fi
+  - '1.8.7-p371'
+  - '1.9.3-p551'
+  - '2.0.0-p648'
+  - '2.1.10'
+  - '2.2.6'
+  - '2.3.3'
+  - '2.4.0'
+  - 'ruby-head'
+  - 'jruby-1.7.26'
+  - 'jruby-9.0.5.0'
+  - 'jruby-9.1.5.0'
+script: bundle exec rspec
 matrix:
-  fast_finish: true
   include:
-    - env: RUBOCOP=true
-      rvm: default
+    - env: RUBOCOP=✓
+      rvm: '2.4.0'
+      script: bundle exec rubocop
+    - env: CHECK_RUBIES=✓
+      rvm: '2.4.0'
+      script: bundle exec travis_check_rubies
+  allow_failures:
+    - rvm: 'ruby-head'