travis fix

Author: marc-mabe

.travis.yml

@@ -1,6 +1,9 @@
 sudo: false
 language: php
 
+# HHVM is no longer supported on Ubuntu Precise. Please consider using Trusty with `dist: trusty`.
+dist: trusty
+
 cache:
   directories:
     - $HOME/.composer/cache
@@ -27,7 +30,6 @@ matrix:
         - PHPDOC="1"
     - php: 7.0
     - php: 7.1
-    - php: 7.2
       env:
         - CODE_COVERAGE="1"
     - php: nightly