Update to Rust 1.35.0.

.travis.yml

@@ -1,6 +1,6 @@
 language: rust
 rust:
-    - 1.34.0
+    - 1.35.0
 cache:
   cargo: true
   timeout: 1200

hbbft_testing/src/util_tests.rs

@@ -133,7 +133,7 @@ fn network_to_u32_is_correct() {
 }
 
 #[test]
-#[allow(clippy::cyclomatic_complexity)]
+#[allow(clippy::cognitive_complexity)]
 fn network_from_u32_is_correct() {
     assert_eq!(NetworkDimension::new(1, 0), NetworkDimension::from(0u32));
     assert_eq!(NetworkDimension::new(2, 0), NetworkDimension::from(1u32));

tests/binary_agreement.rs

@@ -54,7 +54,7 @@ prop_compose! {
     }
 }
 
-/// Proptest wrapper for `binary_agreement` that runs the test function on generated configurations.
+// Proptest wrapper for `binary_agreement` that runs the test function on generated configurations.
 proptest! {
     #![proptest_config(ProptestConfig {
         cases: 1, .. ProptestConfig::default()

tests/dynamic_honey_badger.rs

@@ -72,7 +72,7 @@ prop_compose! {
     }
 }
 
-/// Proptest wrapper for `do_drop_and_re_add`.
+// Proptest wrapper for `do_drop_and_re_add`.
 proptest! {
     #![proptest_config(ProptestConfig::with_cases(1))]
     #[test]
@@ -85,7 +85,7 @@ proptest! {
 /// Dynamic honey badger: Drop a validator node, demoting it to observer, then re-add it, all while
 /// running a regular honey badger network.
 // TODO: Add an observer node to the test network.
-#[allow(clippy::needless_pass_by_value, clippy::cyclomatic_complexity)]
+#[allow(clippy::needless_pass_by_value, clippy::cognitive_complexity)]
 fn do_drop_and_re_add(cfg: TestConfig) {
     // This returns an error in all but the first test.
     let _ = env_logger::try_init();