title: Auth::attempt() is not working in Laravel 5.5
body: <p>My registration form is working and it store users to db but when user login then Auth::attempt() return false. Here is my code for login. I store the password in db in sha1 encription.</p>
  
  <pre><code>Route::post('login',function(){
  $creds=array(
          'email' =&gt; Input::get('email'),
          'password' =&gt; sha1(Input::get('password'))
      );
  $auth = Auth::attempt($creds);
  
  dd($auth);
  </code></pre>