[rust] Use DEBUG level for WARN traces in offline mode (#13810)

Author: bonigarcia

rust/src/lib.rs

@@ -938,10 +938,13 @@ pub trait SeleniumManager {
                 .unwrap_or_default()
                 .unwrap_or_default();
             if best_browser_from_cache.exists() {
-                self.get_logger().warn(format!(
-                    "There was an error managing {}; using browser found in the cache",
-                    self.get_browser_name()
-                ));
+                self.get_logger().debug_or_warn(
+                    format!(
+                        "There was an error managing {}; using browser found in the cache",
+                        self.get_browser_name()
+                    ),
+                    self.is_offline(),
+                );
                 browser_path = path_to_string(best_browser_from_cache);
             }
         }

rust/src/logger.rs

@@ -150,6 +150,11 @@ impl Logger {
         self.logger(message.to_string(), Level::Debug);
     }
 
+    pub fn debug_or_warn<T: Display>(&self, message: T, is_debug: bool) {
+        let level = if is_debug { Level::Debug } else { Level::Warn };
+        self.logger(message.to_string(), level);
+    }
+
     pub fn trace<T: Display>(&self, message: T) {
         self.logger(message.to_string(), Level::Trace);
     }

rust/src/main.rs

@@ -245,11 +245,14 @@ fn main() {
             if let Some(best_driver_from_cache) =
                 selenium_manager.find_best_driver_from_cache().unwrap()
             {
-                log.warn(format!(
-                    "There was an error managing {} ({}); using driver found in the cache",
-                    selenium_manager.get_driver_name(),
-                    err
-                ));
+                log.debug_or_warn(
+                    format!(
+                        "There was an error managing {} ({}); using driver found in the cache",
+                        selenium_manager.get_driver_name(),
+                        err
+                    ),
+                    selenium_manager.is_offline(),
+                );
                 log_driver_and_browser_path(
                     log,
                     &best_driver_from_cache,