{% if error %}
    <div>{{ error.message }}</div>
{% endif %}
<form name="loginForm" action="{{ path('check_path') }}" method="post">
    <label for="username">Username:</label>
    <input type="text" id="username" name="_username" />
    <label for="password">Password:</label>
    <input type="password" id="password" name="_password" />
    <button type="submit">login</button>
</form>