Upgrade Travis to using Xenial environment

palfrey · palfrey · commit e73f064a9b91 · 2018-11-24T19:53:40.000Z
diff --git a/.travis.yml b/.travis.yml
@@ -1,7 +1,7 @@
 language: rust
 rust: stable
 sudo: required
-dist: trusty
+dist: xenial
 services: docker
 
 matrix:
