more clippy tweaks

Cargo.toml

@@ -46,7 +46,6 @@ mod_module_files = "warn"
 std_instead_of_core = "warn"
 exhaustive_structs = "warn"
 missing_trait_methods = "warn"
-missing_inline_in_public_item = "warn"
 absolute_paths = "warn"
 as_conversions = "warn"
 shadow_reuse = "warn"

src/symmetricstate.rs

@@ -166,6 +166,7 @@ impl SymmetricState {
 /// Calculate HMAC, as specified in the Noise spec.
 ///
 /// NOTE: This method clobbers the existing internal state
+#[allow(clippy::similar_names)]
 pub(crate) fn hmac(hasher: &mut Box<dyn Hash>, key: &[u8], data: &[u8], out: &mut [u8]) {
     let key_len = key.len();
     let block_len = hasher.block_len();