let os x fail again

jcupitt · jcupitt · commit d9017b0cf42b · 2017-10-09T12:19:32.000+01:00
since homebrew is now requiring ruby2.3
diff --git a/.travis.yml b/.travis.yml
@@ -10,6 +10,8 @@ script:
   - make -Ctest -j$JOBS -s V=0 VERBOSE=1 check
 
 matrix:
+  allow_failures:
+    os: osx
   fast_finish: true
   include:
     - os: linux
