Hide beta builds after last rust release

javierpedreira · kittsville · commit bcab3e33237a · 2019-04-16T15:59:40.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,5 +1,5 @@
 language: rust
-
+dist: xenial
 os:
   - linux
 

-Original file line number
+Diff line change
@@ @@ -1,5 +1,5 @@ @@
 language: rust
+-
 +dist: xenial
 os:
   - linux