diff --git a/native/spark-expr/src/bloom_filter/spark_bit_array.rs b/native/spark-expr/src/bloom_filter/spark_bit_array.rs
index 6d43bdb942f..0af1c598b03 100644
--- a/native/spark-expr/src/bloom_filter/spark_bit_array.rs
+++ b/native/spark-expr/src/bloom_filter/spark_bit_array.rs
@@ -77,8 +77,8 @@ impl SparkBitArray {
     pub fn merge_be_words(&mut self, incoming: &[u8]) {
         debug_assert_eq!(self.data.len() * 8, incoming.len());
         let mut bit_count: usize = 0;
-        for (word, chunk) in self.data.iter_mut().zip(incoming.chunks_exact(8)) {
-            *word |= u64::from_be_bytes(chunk.try_into().unwrap());
+        for (word, chunk) in self.data.iter_mut().zip(incoming.as_chunks::<8>().0) {
+            *word |= u64::from_be_bytes(*chunk);
             bit_count += word.count_ones() as usize;
         }
         self.bit_count = bit_count;
diff --git a/native/spark-expr/src/nondetermenistic_funcs/internal/mersenne.rs b/native/spark-expr/src/nondetermenistic_funcs/internal/mersenne.rs
index 783fd9e3600..4027c32978a 100644
--- a/native/spark-expr/src/nondetermenistic_funcs/internal/mersenne.rs
+++ b/native/spark-expr/src/nondetermenistic_funcs/internal/mersenne.rs
@@ -148,6 +148,8 @@ impl SparkMersenneTwister {
 
     /// Port of `BitsStreamGenerator.nextInt(int n)`. The caller always passes a
     /// strictly positive `n`, matching Spark's `random.nextInt(i + 1)`.
+    // `isolate_lowest_one` requires Rust 1.97, newer than Comet's Rust 1.88 MSRV.
+    #[allow(unknown_lints, clippy::manual_isolate_lowest_one)]
     pub(crate) fn next_int(&mut self, n: i32) -> i32 {
         if (n & n.wrapping_neg()) == n {
             // n is a power of two.