diff --git a/.travis.yml b/.travis.yml
index 58a82a4d90b..78ed95bb6a5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,3 +10,5 @@ script:
   - ./prepare_libcore.sh
   - ./build.sh
 
+env:
+  - RUST_BACKTRACE=1