Derive or impl fmt::Debug on several structs.

Signed-off-by: Jason Volk <jason@zemos.net>

src/service/services.rs

@@ -1,4 +1,4 @@
-use std::sync::Arc;
+use std::{fmt, sync::Arc};
 
 use futures::{StreamExt, TryStreamExt};
 use tokio::sync::Mutex;
@@ -177,6 +177,12 @@ pub(crate) fn services(&self) -> impl Iterator<Item = Arc<dyn Service>> + Send {
 	.into_iter()
 }
 
+impl fmt::Debug for Services {
+	fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+		f.debug_struct("Services").finish()
+	}
+}
+
 #[implement(Services)]
 pub async fn start(self: &Arc<Self>) -> Result<Arc<Self>> {
 	debug_info!("Starting services...");