diff --git a/test/wasi-modules-for-testing/src/hello_world.rs b/test/wasi-modules-for-testing/src/hello_world.rs
index 60b0c22f3..003415923 100644
--- a/test/wasi-modules-for-testing/src/hello_world.rs
+++ b/test/wasi-modules-for-testing/src/hello_world.rs
@@ -3,5 +3,8 @@ fn main() {
     // test seccomp with.
     let cwd = std::env::current_dir().unwrap();
 
-    println!("hello world, current working dir: {}", cwd.to_string_lossy());
+    println!(
+        "hello world, current working dir: {}",
+        cwd.to_string_lossy()
+    );
 }