fix the build matrix

japaric · japaric · commit 53d15676ed84 · 2018-09-24T02:38:46.000+02:00
*sigh* we were only testing nightly before. Now we are testing beta and nightly
diff --git a/.travis.yml b/.travis.yml
@@ -3,9 +3,6 @@ language: rust
 matrix:
   include:
     - rust: beta
-
-matrix:
-  include:
     - rust: nightly
 
 install:
