diff --git a/crates/libs/kill_tree/tests/test.rs b/crates/libs/kill_tree/tests/test.rs
index 8524c66..3e11607 100644
--- a/crates/libs/kill_tree/tests/test.rs
+++ b/crates/libs/kill_tree/tests/test.rs
@@ -43,7 +43,7 @@ fn kill_tree_default() {
     });
     let target_process_id = rx.recv().unwrap();
     let outputs = kill_tree::blocking::kill_tree(target_process_id).expect("Failed to kill");
-    println!("{:?}", outputs);
+    println!("{outputs:?}");
     assert_eq!(outputs.len(), 1);
     let output = &outputs[0];
     match output {
@@ -86,7 +86,7 @@ fn kill_tree_with_config_sigkill() {
     };
     let outputs = kill_tree::blocking::kill_tree_with_config(target_process_id, &config)
         .expect("Failed to kill");
-    println!("{:?}", outputs);
+    println!("{outputs:?}");
     assert_eq!(outputs.len(), 1);
     let output = &outputs[0];
     match output {
@@ -128,7 +128,7 @@ fn kill_tree_with_config_include_target_false() {
     };
     let outputs = kill_tree::blocking::kill_tree_with_config(target_process_id, &config)
         .expect("Failed to kill");
-    println!("{:?}", outputs);
+    println!("{outputs:?}");
     assert!(!outputs.is_empty());
     let output = &outputs[0];
     match output {
@@ -146,7 +146,7 @@ fn kill_tree_with_config_include_target_false() {
     }
     thread::sleep(Duration::from_secs(1));
     let outputs = kill_tree::blocking::kill_tree(target_process_id).expect("Failed to kill");
-    println!("{:?}", outputs);
+    println!("{outputs:?}");
     assert_eq!(outputs.len(), 1);
     let output = &outputs[0];
     match output {