diff --git a/src/main.rs b/src/main.rs
index 9f2121b..51b54df 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -104,7 +104,7 @@ async fn main() -> io::Result<()> {
         let task = tokio::spawn(
             async move {
                 tracing::debug!("Prepare to acquire a permit to start");
-                let _ = permits.acquire().await.unwrap();
+                let _permit = permits.acquire().await.unwrap();
 
                 tracing::info!("Start to read file");
                 let buf = fs::read(&task.file).await?;
@@ -147,9 +147,11 @@ async fn main() -> io::Result<()> {
             })
             .progress_chars("#>-");
         process.set_style(style);
-        while analyzed_size.load(Ordering::Acquire) < total_size
-            && !finished_flag.load(Ordering::Acquire)
-        {
+        while analyzed_size.load(Ordering::Acquire) < total_size {
+            if finished_flag.load(Ordering::Acquire) {
+                tracing::warn!("Some tasks failed to complete");
+                break;
+            }
             process.set_position(analyzed_size.load(Ordering::Acquire) as u64);
             sleep(Duration::from_millis(100)).await;
         }