make debug log less noisy (#5063)

polkadot/node/core/bitfield-signing/src/lib.rs

@@ -171,15 +171,16 @@ async fn construct_availability_bitfield(
 	)
 	.await?;
 
+	let core_bits = FromIterator::from_iter(results.into_iter());
 	tracing::debug!(
 		target: LOG_TARGET,
 		?relay_parent,
-		"Signing Bitfield for {} cores: {:?}",
+		"Signing Bitfield for {core_count} cores: {core_bits}",
-		availability_cores.len(),
+		core_count = availability_cores.len(),
-		results,
+		core_bits = core_bits,
 	);
 
-	Ok(AvailabilityBitfield(FromIterator::from_iter(results)))
+	Ok(AvailabilityBitfield(core_bits))
 }
 
 #[derive(Clone)]