Fix clippy

Author: atuchin-m

src/engine.rs

@@ -254,10 +254,7 @@ impl Engine {
 
     /// Serializes the `Engine` into a binary format so that it can be quickly reloaded later.
     pub fn serialize(&self) -> Result<Vec<u8>, crate::data_format::SerializationError> {
-        crate::data_format::serialize_engine(
-            &self.filter_data_context.as_ref(),
-            &self.cosmetic_cache,
-        )
+        crate::data_format::serialize_engine(&self.filter_data_context, &self.cosmetic_cache)
     }
 
     /// Deserialize the `Engine` from the binary format generated by `Engine::serialize`.

src/filters/flat_filter_map.rs

@@ -1,6 +1,6 @@
 //! Holds the implementation of [FlatMapView].
 
-use crate::filters::unsafe_tools::fb_vector_to_slice;
+//use crate::filters::unsafe_tools::fb_vector_to_slice;
 use flatbuffers::{Follow, ForwardsUOffset, Vector, WIPOffset};
 use std::collections::{HashMap, HashSet};
 
@@ -200,6 +200,7 @@ impl<'a, I: Ord + std::hash::Hash + FlatSerialize<'a>, V: FlatSerialize<'a>>
         self.map.entry(key).or_default().push(value);
     }
 
+    #[allow(clippy::type_complexity)]
     pub fn finish(
         self,
         builder: &mut flatbuffers::FlatBufferBuilder<'a>,