Don't call system time in std

Author: benthecarman

lightning-transaction-sync/src/esplora.rs

@@ -91,6 +91,7 @@ where
 		let mut sync_state = self.sync_state.lock().await;
 
 		log_trace!(self.logger, "Starting transaction sync.");
+		#[cfg(feature = "std")]
 		let start_time = Instant::now();
 		let mut num_confirmed = 0;
 		let mut num_unconfirmed = 0;
@@ -227,8 +228,12 @@ where
 				sync_state.pending_sync = false;
 			}
 		}
+		#[cfg(feature = "std")]
 		log_debug!(self.logger, "Finished transaction sync at tip {} in {}ms: {} confirmed, {} unconfirmed.",
 				tip_hash, start_time.elapsed().as_millis(), num_confirmed, num_unconfirmed);
+		#[cfg(not(feature = "std"))]
+		log_debug!(self.logger, "Finished transaction sync at tip {}: {} confirmed, {} unconfirmed.",
+				tip_hash, num_confirmed, num_unconfirmed);
 		Ok(())
 	}