Make trusty default distro explicit.
diff --git a/pkgs/package_config/.travis.yml b/pkgs/package_config/.travis.yml index 7a20d25..d7febdd 100644 --- a/pkgs/package_config/.travis.yml +++ b/pkgs/package_config/.travis.yml
@@ -1,4 +1,5 @@ language: dart dart: dev script: ./tool/travis.sh +dist: trusty sudo: false