log da razão do request falhar

app/Http/Requests/StoreTrabalho.php

@@ -7,6 +7,7 @@ use Illuminate\Validation\Rule;
 use Illuminate\Support\Facades\Auth;
 use Illuminate\Foundation\Http\FormRequest;
 use Illuminate\Contracts\Validation\Validator;
+use Illuminate\Support\Facades\Log;
 
 class StoreTrabalho extends FormRequest
 {
@@ -20,6 +21,14 @@ class StoreTrabalho extends FormRequest
         return Auth::check();
     }
 
+    protected function failedValidation(Validator $validator)
+    {
+        Log::info(print_r($validator, true));
+        throw (new ValidationException($validator))
+                    ->errorBag($this->errorBag)
+                    ->redirectTo($this->getRedirectUrl());
+    }
+
     protected function prepareForValidation()
     {
         $func = function($value) {