diff --git a/.travis.yml b/.travis.yml
index d7e3570bb..3d1c012ce 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,3 +5,10 @@ script:
 - "./bin/fetch-configlet"
 - "./bin/configlet ."
 sudo: false
+rust:
+  - stable
+  - beta
+  - nightly
+matrix:
+  allow_failures:
+    - rust: nightly