I have installed zend tools using composer
$ composer require zendframework/zftool:dev-master
zftool has been installed and when I run php /vender/bin/zf.php modules list it's throwing warning
PHP Deprecated: You are retrieving the service locator from within the class ZFTool\Controller\ModuleController. Please be aware that ServiceLocatorAwareInterface is deprecated and will be removed in version 3.0, along with the ServiceLocatorAwareInitializer. ...
I am using Ubuntu