Try running the OS X builds first and see if it's faster
diff --git a/.travis.yml b/.travis.yml
index 6a23514..b6fd6bd 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,7 @@
 language: c
 os:
-    - linux
     - osx
+    - linux
 compiler:
     - clang
     - gcc