diff --git a/backend/src/sandbox.rs b/backend/src/sandbox.rs
index 2cbb176..d6e6348 100644
--- a/backend/src/sandbox.rs
+++ b/backend/src/sandbox.rs
@@ -128,4 +128,11 @@ pub fn run_code(code: &str) {
 
     let cmd_args = command("/app/main.ha");
     bwrap_cmd.args(cmd_args);
+
+    let output = bwrap_cmd.output().expect("running bwrap failed");
+    let stdout = String::from_utf8_lossy(&output.stdout);
+    let stderr = String::from_utf8_lossy(&output.stderr);
+
+    println!("stdout:\n{stdout}");
+    println!("stderr:\n{stderr}");
 }