diff --git a/.gitignore b/.gitignore
index 2de194b171..4cc5b672c2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,3 +11,6 @@ Cargo.lock
 
 # Other
 .DS_Store
+
+# Output from capture example
+red.png
diff --git a/.travis.yml b/.travis.yml
index 088a66ed04..e4294f6b0c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,5 @@
 language: rust
-sudo: false
+cache: cargo
 os:
   - linux
   - osx