Don't test against nightly builds of HHVM

fredemmott · fredemmott · commit 649b8b345510 · 2018-12-12T11:11:19.000-08:00
diff --git a/.travis.yml b/.travis.yml
@@ -2,5 +2,8 @@ language: php
 php:
  - hhvm
  - hhvm-nightly
+matrix:
+  allow_failures:
+  - php: hhvm-nightly
 script:
  - ./.travis.sh
