Fix new clippy warnings after Rust 1.73 release

src/ff/prime_field.rs

@@ -208,6 +208,7 @@ macro_rules! field_impl {
             proptest! {
 
                 #[test]
+                #[allow(clippy::ignored_unit_patterns)]
                 fn serde(v in 0..$field::PRIME) {
                     let field_v = $field(v);
                     let mut buf = GenericArray::default();

src/helpers/buffers/ordering_mpsc.rs

@@ -297,6 +297,8 @@ mod fixture {
 
     #[async_trait]
     impl TestSender for OrderingMpscSender<Fp32BitPrime> {
+        // I don't understand what triggers this warning, maybe https://github.com/rust-lang/rust-clippy/issues/11403
+        #[allow(clippy::ignored_unit_patterns)]
         async fn send_test(&self, i: usize) {
             self.send(
                 i,
@@ -383,7 +385,7 @@ mod unit {
         let send = async move {
             tx_a.send(0, input).await.unwrap();
         };
-        let (_, output) = join(send, rx.take_next(1)).await;
+        let ((), output) = join(send, rx.take_next(1)).await;
         assert_eq!(
             input,
             Fp31::deserialize(GenericArray::from_slice(output.as_ref().unwrap()))
@@ -506,6 +508,7 @@ mod proptests {
 
     proptest::proptest! {
         #[test]
+        #[allow(clippy::ignored_unit_patterns)] // https://github.com/proptest-rs/proptest/issues/371
         fn arbitrary_size_seq(cap in 2..1000_usize) {
             let indices = (0..cap).collect::<Vec<_>>();
             tokio::runtime::Builder::new_multi_thread()
@@ -516,6 +519,7 @@ mod proptests {
         }
 
         #[test]
+        #[allow(clippy::ignored_unit_patterns)] // https://github.com/proptest-rs/proptest/issues/371
         fn arbitrary_size_shuffle(indices in shuffled(), excess in 0..10_usize) {
             tokio::runtime::Builder::new_multi_thread()
                 .enable_all()

src/helpers/buffers/ordering_sender.rs

@@ -533,7 +533,7 @@ mod test {
             values.resize_with(COUNT, || rng.gen::<Fp32BitPrime>());
 
             let sender = sender();
-            let (_, _, output) = join3(
+            let (_, (), output) = join3(
                 join_all(values.iter().enumerate().map(|(i, &v)| sender.send(i, v))),
                 sender.close(values.len()),
                 sender.as_stream().collect::<Vec<_>>(),
@@ -568,7 +568,7 @@ mod test {
             let indices = shuffle_indices(COUNT);
 
             let sender = sender();
-            let (_, _, output) = join3(
+            let (_, (), output) = join3(
                 join_all(indices.into_iter().map(|i| sender.send(i, values[i]))),
                 sender.close(values.len()),
                 sender.as_stream().collect::<Vec<_>>(),

src/helpers/gateway/mod.rs

@@ -180,7 +180,7 @@ mod tests {
 
         let world = TestWorld::new_with(config);
         world
-            .semi_honest((), |ctx, _| async move {
+            .semi_honest((), |ctx, ()| async move {
                 let fp2_ctx = ctx.narrow("fp2").set_total_records(100);
                 let fp32_ctx = ctx.narrow("fp32").set_total_records(100);
                 let role = ctx.role();

src/helpers/prss_protocol.rs

@@ -47,7 +47,7 @@ pub async fn negotiate<T: Transport, R: RngCore + CryptoRng>(
     let (send_left_pk, send_right_pk) = ep_setup.public_keys();
     let record_id = RecordId::FIRST;
 
-    let (_, _, recv_left_pk, recv_right_pk) = try_join4(
+    let ((), (), recv_left_pk, recv_right_pk) = try_join4(
         left_sender.send(record_id, send_left_pk),
         right_sender.send(record_id, send_right_pk),
         left_receiver.receive(record_id),

src/helpers/transport/stream/input.rs

@@ -712,6 +712,7 @@ mod test {
 
         proptest::proptest! {
             #[test]
+            #[allow(clippy::ignored_unit_patterns)] // https://github.com/proptest-rs/proptest/issues/371
             fn test_records_stream_works_with_any_chunks(
                 (expected_bytes, chunked_bytes, _seed) in arb_expected_and_chunked_body(30, 100)
             ) {
@@ -820,6 +821,7 @@ mod test {
 
         proptest::proptest! {
             #[test]
+            #[allow(clippy::ignored_unit_patterns)] // https://github.com/proptest-rs/proptest/issues/371
             fn test_delimited_stream_works_with_any_chunks(
                 (expected_items, chunked_bytes, _seed) in arb_expected_and_chunked_body(100)
             ) {

src/hpke/mod.rs

@@ -359,6 +359,7 @@ mod tests {
         proptest::proptest! {
             #![proptest_config(ProptestConfig::with_cases(50))]
             #[test]
+            #[allow(clippy::ignored_unit_patterns)] // https://github.com/proptest-rs/proptest/issues/371
             fn arbitrary_ct_corruption(bad_byte in 0..23_usize, bad_bit in 0..7_usize, seed: [u8; 32]) {
                 let rng = StdRng::from_seed(seed);
                 let mut suite = EncryptionSuite::new(1, rng);
@@ -372,6 +373,7 @@ mod tests {
         proptest::proptest! {
             #![proptest_config(ProptestConfig::with_cases(50))]
             #[test]
+            #[allow(clippy::ignored_unit_patterns)] // https://github.com/proptest-rs/proptest/issues/371
              fn arbitrary_enc_corruption(bad_byte in 0..32_usize, bad_bit in 0..7_usize, seed: [u8; 32]) {
                 let rng = StdRng::from_seed(seed);
                 let mut suite = EncryptionSuite::new(1, rng);
@@ -416,6 +418,7 @@ mod tests {
         proptest::proptest! {
             #![proptest_config(ProptestConfig::with_cases(50))]
             #[test]
+            #[allow(clippy::ignored_unit_patterns)] // https://github.com/proptest-rs/proptest/issues/371
             fn arbitrary_info_corruption(corrupted_info_field in 1..5,
                                          site_domain in "[a-z]{10}",
                                          helper_origin in "[a-z]{10}",

src/protocol/boolean/comparison.rs

@@ -558,6 +558,7 @@ mod tests {
 
     proptest! {
         #[test]
+        #[allow(clippy::ignored_unit_patterns)] // https://github.com/proptest-rs/proptest/issues/371
         fn gt_fp31_proptest(a in 0..Fp31::PRIME, c in 0..Fp31::PRIME) {
             type F = Fp31;
             let r = thread_rng().gen::<F>();
@@ -566,6 +567,7 @@ mod tests {
         }
 
         #[test]
+        #[allow(clippy::ignored_unit_patterns)] // https://github.com/proptest-rs/proptest/issues/371
         fn gt_fp_32bit_prime_proptest(a in 0..Fp32BitPrime::PRIME, c in 0..Fp32BitPrime::PRIME) {
             type F = Fp32BitPrime;
             let r = thread_rng().gen::<F>();

src/protocol/boolean/random_bits_generator.rs

@@ -147,7 +147,7 @@ mod tests {
 
         for _ in 0..OUTER {
             let v = world
-                .semi_honest((), |ctx, _| async move {
+                .semi_honest((), |ctx, ()| async move {
                     let validator = ctx.validator();
                     let ctx = validator
                         .context()

src/protocol/context/mod.rs

@@ -352,7 +352,7 @@ mod tests {
 
         let send_channel = ctx.send_channel(left_peer);
         let recv_channel = ctx.recv_channel::<F>(right_peer);
-        let (_, right_share) = try_join!(
+        let ((), right_share) = try_join!(
             send_channel.send(record_id, share.l() - l - seq_l),
             recv_channel.receive(record_id),
         )

src/protocol/dp/insecure.rs

@@ -197,6 +197,7 @@ mod test {
     proptest! {
         #![proptest_config(ProptestConfig::with_cases(50))]
         #[test]
+        #[allow(clippy::ignored_unit_patterns)] // https://github.com/proptest-rs/proptest/issues/371
         fn output_differentially_private(
             rng_seed: u64,
             epsilon in 1..255_u8,

src/protocol/ipa/mod.rs

@@ -961,6 +961,7 @@ pub mod tests {
 
         proptest! {
             #[test]
+            #[allow(clippy::ignored_unit_patterns)] // https://github.com/proptest-rs/proptest/issues/371
             fn serde(timestamp in 0..u128::MAX, match_key in 0..u64::MAX, trigger_bit in 0..u128::MAX, breakdown_key in 0..u128::MAX, trigger_value in 0..u128::MAX, seed in 0..u128::MAX) {
                 serde_internal::<Fp31>(timestamp, match_key, trigger_bit, breakdown_key, trigger_value, seed);
                 serde_internal::<Fp32BitPrime>(timestamp, match_key, trigger_bit, breakdown_key, trigger_value, seed);

src/telemetry/stats.rs

@@ -46,10 +46,7 @@ impl CounterDetails {
         };
         for label in key.key().labels() {
             let (label_key, label_val) = label.clone().into_parts();
-            let dimension_values = self
-                .dimensions
-                .entry(label_key)
-                .or_insert_with(HashMap::new);
+            let dimension_values = self.dimensions.entry(label_key).or_default();
 
             *dimension_values.entry(label_val).or_insert(0) += val;
         }
@@ -85,10 +82,7 @@ impl Metrics {
             if !filter_fn(labels.as_slice()) {
                 continue;
             }
-            let entry = this
-                .counters
-                .entry(key_name.clone())
-                .or_insert_with(CounterDetails::default);
+            let entry = this.counters.entry(key_name.clone()).or_default();
 
             if let Some(descr) = descr {
                 this.metric_description.insert(key_name, descr);

src/test_fixture/event_gen.rs

@@ -413,6 +413,7 @@ mod tests {
 
         proptest! {
             #[test]
+            #[allow(clippy::ignored_unit_patterns)] // https://github.com/proptest-rs/proptest/issues/371
             fn iter_test(rng_seed: u64, config in arb_config(), total_events in 1_usize..2000) {
                 does_not_exceed_config_maximums(rng_seed, &config, total_events);
             }