It only works on nightly

phil-opp · phil-opp · commit ab8343b3ca57 · 2016-01-27T17:23:11.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,9 +1,3 @@
 language: rust
 rust:
-  - stable
-  - beta
   - nightly
-matrix:
-  allow_failures:
-    - rust: stable
-    - rust: beta
