Use sudo

.travis.yml

@@ -1,11 +1,19 @@
 language: php
+sudo: required
 php:
     - '7.2'
     - nightly
-services:
-    - mysql
+addons:
+  apt:
+    sources:
+      - mysql-5.7-trusty
+    packages:
+      - mysql-server
+      - mysql-client
 before_script:
     - sudo mysql -e "use mysql; update user set authentication_string=PASSWORD('123456') where User='root'; update user set plugin='mysql_native_password';FLUSH PRIVILEGES;"
+    - sudo mysql_upgrade
+    - sudo service mysql restart
     - pecl install ast
     - composer install
 script: