ci: bump ci image to rust 1.73.0 (#1830)

Co-authored-by: command-bot <>

substrate/client/network/common/src/role.rs

@@ -16,6 +16,10 @@
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
 
+// file-level lint whitelist to avoid problem with bitflags macro below
+// TODO: can be dropped after an update to bitflags 2.4
+#![allow(clippy::bad_bit_mask)]
+
 use codec::{self, Encode, EncodeLike, Input, Output};
 
 /// Role that the peer sent to us during the handshake, with the addition of what our local node

substrate/client/network/src/protocol/notifications/behaviour.rs

@@ -1423,7 +1423,6 @@ impl NetworkBehaviour for Notifications {
 									let delay_id = self.next_delay_id;
 									self.next_delay_id.0 += 1;
 									let delay = futures_timer::Delay::new(ban_duration);
-									let peer_id = peer_id;
 									self.delays.push(
 										async move {
 											delay.await;