[TASK] Output error message for file

Resolves: rectorphp/rector#6418

src/Application/FileProcessor/PhpFileProcessor.php

@@ -94,6 +94,7 @@ public function process(array $files): void
 
             // cannot print file with errors, as print would break everything to original nodes
             if ($file->hasErrors()) {
+                $this->printFileErrors($file);
                 $this->advance($file, 'printing skipped due error');
                 continue;
             }
@@ -228,4 +229,19 @@ private function advance(File $file, string $phase): void
             $this->symfonyStyle->progressAdvance();
         }
     }
+
+    private function printFileErrors(File $file): void
+    {
+        if(!$this->symfonyStyle->isVerbose()) {
+            return;
+        }
+
+        if(!$file->hasErrors()) {
+            return;
+        }
+
+        foreach ($file->getErrors() as $error) {
+            $this->symfonyStyle->error($error->getMessage());
+        }
+    }
 }