output error if sending to trusted key server failed

Signed-off-by: strawberry <strawberry@puppygock.gay>

src/service/rooms/event_handler/mod.rs

@@ -1445,7 +1445,7 @@ impl Service {
 	) -> Result<()> {
 		for server in services().globals.trusted_servers() {
 			info!("Asking batch signing keys from trusted server {}", server);
-			if let Ok(keys) = services()
+			match services()
 				.sending
 				.send_federation_request(
 					server,
@@ -1455,6 +1455,7 @@ impl Service {
 				)
 				.await
 			{
+				Ok(keys) => {
 					debug!("Got signing keys: {:?}", keys);
 					let mut pkm = pub_key_map.write().await;
 					for k in keys.server_keys {
@@ -1479,11 +1480,14 @@ impl Service {
 
 						pkm.insert(k.server_name.to_string(), result);
 					}
-			} else {
+				},
+				Err(e) => {
 					warn!(
 						"Failed sending batched key request to trusted key server {server} for the remote servers \
-					 {servers:?}"
+						 {:?}: {e}",
+						servers
 					);
+				},
 			}
 		}