fixes for nightly clippy (#1618)

bridges/relays/bin-substrate/src/cli/estimate_fee.rs

@@ -79,7 +79,7 @@ impl std::str::FromStr for ConversionRateOverride {
 
 		f64::from_str(s)
 			.map(ConversionRateOverride::Explicit)
-			.map_err(|e| format!("Failed to parse '{:?}'. Expected 'metric' or explicit value", e))
+			.map_err(|e| format!("Failed to parse '{e:?}'. Expected 'metric' or explicit value"))
 	}
 }
 
@@ -105,7 +105,7 @@ where
 		.await?;
 
 		log::info!(target: "bridge", "Fee: {:?}", Balance(fee.into()));
-		println!("{}", fee);
+		println!("{fee}");
 		Ok(())
 	}
 }

bridges/relays/bin-substrate/src/cli/mod.rs

@@ -215,7 +215,7 @@ impl std::str::FromStr for HexBytes {
 
 impl std::fmt::Debug for HexBytes {
 	fn fmt(&self, fmt: &mut std::fmt::Formatter) -> std::fmt::Result {
-		write!(fmt, "0x{}", self)
+		write!(fmt, "0x{self}")
 	}
 }
 
@@ -275,7 +275,7 @@ where
 
 		V::from_str(s)
 			.map(ExplicitOrMaximal::Explicit)
-			.map_err(|e| format!("Failed to parse '{:?}'. Expected 'max' or explicit value", e))
+			.map_err(|e| format!("Failed to parse '{e:?}'. Expected 'max' or explicit value"))
 	}
 }
 
@@ -298,7 +298,7 @@ mod tests {
 	fn hex_bytes_display_matches_from_str_for_clap() {
 		// given
 		let hex = HexBytes(vec![1, 2, 3, 4]);
-		let display = format!("{}", hex);
+		let display = format!("{hex}");
 
 		// when
 		let hex2: HexBytes = display.parse().unwrap();

bridges/relays/bin-substrate/src/cli/resubmit_transactions.rs

@@ -398,10 +398,10 @@ async fn update_transaction_tip<C: Chain, S: TransactionSignScheme<Chain = C>>(
 	tip_limit: C::Balance,
 	target_priority: TransactionPriority,
 ) -> Result<(bool, S::SignedTransaction), SubstrateError> {
-	let stx = format!("{:?}", tx);
+	let stx = format!("{tx:?}");
 	let mut current_priority = client.validate_transaction(at_block.1, tx.clone()).await??.priority;
 	let mut unsigned_tx = S::parse_transaction(tx).ok_or_else(|| {
-		SubstrateError::Custom(format!("Failed to parse {} transaction {}", C::NAME, stx,))
+		SubstrateError::Custom(format!("Failed to parse {} transaction {stx}", C::NAME,))
 	})?;
 	let old_tip = unsigned_tx.tip;