...

examples/container_example.rs

@@ -44,7 +44,7 @@ fn main() -> Result<(), Box<dyn Error>> {
     match Container::new("existing-container") {
         Ok(container) => {
             if container.container_id.is_some() {
-                println!("Found container with ID: {}", container.container_id.unwrap());
+                println!("Found container with ID: {}", container.container_id.as_ref().unwrap());
                 
                 // Perform operations on the existing container
                 let status = container.status()?;