Return Result from server main

src/main.rs

@@ -23,7 +23,12 @@ fn main() {
 }
 
 #[cfg(feature = "server")]
-fn main() {
+fn main() -> std::process::ExitCode {
     tracing_setup();
-    server::main()
+
+    if let Err(e) = server::main() {
+        tracing::error!("Server main failed:\n{e}");
+    }
+
+    std::process::ExitCode::FAILURE
 }