remove debug line

client/driver/qemu.go

@@ -104,9 +104,8 @@ func (d *QemuDriver) Start(ctx *ExecContext, task *structs.Task) (DriverHandle,
                 d.logger,
         )
         if err != nil {
-                d.logger.Printf("\n---\nDEBUG\n---\n error here: %s\n---\n", err)
                 return nil, err
-	}
+        }
 
         vmID := filepath.Base(vmPath)