From c33802f5597cecdb0531f091f0803a5ff05ab5d3 Mon Sep 17 00:00:00 2001
From: CJ van den Berg <cj@vdbonline.com>
Date: Tue, 10 Mar 2026 15:09:51 +0100
Subject: [PATCH] fix: cpp tests hanging when traces are enabled

---
 test/tests.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/tests.cpp b/test/tests.cpp
index 3fecd27..cfa94af 100644
--- a/test/tests.cpp
+++ b/test/tests.cpp
@@ -117,7 +117,7 @@ extern "C" auto runtestcase(const char *name) -> int {
   env_t log_env{};
   auto trace = [&](const buffer &buf) {
     const lock_guard<mutex> lock(trace_m);
-    cout << buf.to_json() << '\n';
+    cerr << buf.to_json() << '\n';
   };
   log_env.on_trace(trace);
   env.on_trace(trace);