fix: rust timeout exception

execute.py

@@ -241,12 +241,15 @@ def unsafe_execute_rust(check_program, result, timeout, cargo_string):
 
     compilation_result = subprocess.run(["cargo", "check", "--bin", "test", "--message-format", "json"], timeout=timeout, capture_output=True)
     if compilation_result.returncode == 0:
-        exec_result = subprocess.run(["cargo", "test", "--bin", "test", "--message-format", "json"], timeout=timeout, capture_output=True)
-        if exec_result.returncode == 0:
-            result.append("passed")
-        else:
-            err = compilation_result.stderr.decode() if compilation_result.stderr else compilation_result.stdout.decode()
-            result.append("failed: execution error: " + err)
+        try:
+            exec_result = subprocess.run(["cargo", "test", "--bin", "test", "--message-format", "json"], timeout=timeout, capture_output=True)
+            if exec_result.returncode == 0:
+                result.append("passed")
+            else:
+                err = compilation_result.stderr.decode() if compilation_result.stderr else compilation_result.stdout.decode()
+                result.append("failed: execution error: " + err)
+        except subprocess.TimeoutExpired as e:
+            result.append("timed out")
     else:
         err = compilation_result.stderr.decode() if compilation_result.stderr else compilation_result.stdout.decode()
         result.append("failed: compilation error: " + err)