Specify USE_ZEND_ALLOC

Author: nikic

azure/community_job.yml

@@ -82,8 +82,10 @@ jobs:
       displayName: 'Test Amphp'
       condition: or(succeeded(), failed())
     - script: |
-        php7.3 /usr/bin/composer create-project symfony/symfony-demo symfony_demo
+        php7.3 /usr/bin/composer create-project symfony/symfony-demo symfony_demo --no-progress
         cd symfony_demo
+        export USE_ZEND_ALLOC=0
+        export USE_TRACKED_ALLOC=1
         sed -i 's/PHP_SAPI/"cli-server"/g' var/cache/dev/App_KernelDevDebugContainer.preload.php
         php -d opcache.preload=var/cache/dev/App_KernelDevDebugContainer.preload.php -r ''
       displayName: 'Symfony Preloading'