travis: switch to xenial

darwin · darwin · commit 6628ab963862 · 2018-12-20T20:43:41.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,5 +1,5 @@
 sudo: true
-dist: trusty
+dist: xenial
 language: clojure
 notifications:
   email:
diff --git a/test/docker/Dockerfile b/test/docker/Dockerfile
@@ -1,5 +1,5 @@
 # keep this in sync with travis: https://docs.travis-ci.com/user/ci-environment
-FROM ubuntu:trusty
+FROM ubuntu:xenial
 
 WORKDIR /root
 
