message: fix clippy
diff: @@ -407,10 +407,11 @@ fn intermediate_buckets_to_final_buckets_fill_gaps(
  };
  let fill_gaps_buckets = generate_buckets_with_opt_minmax(histogram_req, min_max);
  - let empty_sub_aggregation = IntermediateAggregationResults::empty_from_req(&sub_aggregation);
  + let empty_sub_aggregation = IntermediateAggregationResults::empty_from_req(sub_aggregation);
  // Use merge_join_by to fill in gaps, since buckets are sorted
  - let buckets = buckets
  +
  + buckets
  .into_iter()
  .merge_join_by(
  fill_gaps_buckets.into_iter(),
  @@ -433,10 +434,9 @@ fn intermediate_buckets_to_final_buckets_fill_gaps(
  },
  })
  .map(|intermediate_bucket| {
  - BucketEntry::from_intermediate_and_req(intermediate_bucket, &sub_aggregation)
  + BucketEntry::from_intermediate_and_req(intermediate_bucket, sub_aggregation)
  })
  - .collect_vec();
  - return buckets;
  + .collect_vec()
  }
  // Convert to BucketEntry
  @@ -449,20 +449,15 @@ pub(crate) fn intermediate_buckets_to_final_buckets(
  // With min_doc_count != 0, we may need to add buckets, so that there are no
  // gaps, since intermediate result does not contain empty buckets (filtered to
  // reduce serialization size).
  - let buckets = intermediate_buckets_to_final_buckets_fill_gaps(
  - buckets,
  - histogram_req,
  - sub_aggregation,
  - );
  - return buckets;
  +
  + intermediate_buckets_to_final_buckets_fill_gaps(buckets, histogram_req, sub_aggregation)
  } else {
  - let buckets = buckets
  + buckets
  .into_iter()
  .filter(|bucket| bucket.doc_count >= histogram_req.min_doc_count())
  - .map(|bucket| BucketEntry::from_intermediate_and_req(bucket, &sub_aggregation))
  - .collect_vec();
  - return buckets;
  - };
  + .map(|bucket| BucketEntry::from_intermediate_and_req(bucket, sub_aggregation))
  + .collect_vec()
  + }
  }
  /// Applies req extended_bounds/hard_bounds on the min_max value
  