get me a backtrace

Alex Gaynor · Alex Gaynor · commit 3a35fab9e0c4 · 2018-06-13T17:20:33.000-07:00
diff --git a/.travis.yml b/.travis.yml
@@ -24,7 +24,7 @@ install:
     - rustup component add rust-src
 
 script:
-    - ./tests/run_tests.py
+    - RUST_BACKTRACE=1 ./tests/run_tests.py
 
 after_failure:
     - dmesg
