diff --git a/crates/bench/src/mmap_reader.rs b/crates/bench/src/mmap_reader.rs
index 6b2af7e..bf1ef5e 100644
--- a/crates/bench/src/mmap_reader.rs
+++ b/crates/bench/src/mmap_reader.rs
@@ -35,7 +35,7 @@ const HANDLER_NONE: u8 = 0;
 const HANDLER_DEFAULT: u8 = 1;
 const HANDLER_IGNORE: u8 = 2;
 const HANDLER_PLAIN: u8 = 3; // extern "C" fn(c_int)
-#[expect(clippy::unseparated_literal_suffix, reason = "clarity: this is the SA_SIGACTION variant")]
+#[allow(clippy::unseparated_literal_suffix, reason = "clarity: this is the SA_SIGACTION variant")]
 const HANDLER_SIGACTION: u8 = 4; // extern "C" fn(c_int, *mut siginfo_t, *mut c_void)
 
 /// Old SIGBUS handler type — raw atomic, async-signal-safe to read.
diff --git a/crates/bench/src/report.rs b/crates/bench/src/report.rs
index 4b68642..6c83790 100644
--- a/crates/bench/src/report.rs
+++ b/crates/bench/src/report.rs
@@ -143,8 +143,7 @@ pub fn format_report(results: &[BenchmarkResult]) -> String {
             report.push_str("| Test | Variant | RSS | Peak RSS | Page Faults |\n");
             report.push_str("|------|---------|-----|----------|-------------|\n");
 
-            let mut mem_rows: Vec<&BenchmarkResult> =
-                category_results.iter().copied().collect();
+            let mut mem_rows: Vec<&BenchmarkResult> = category_results.to_vec();
             mem_rows.sort_by(|a, b| {
                 (&a.test_name, &a.backend, &a.variant)
                     .cmp(&(&b.test_name, &b.backend, &b.variant))
@@ -163,7 +162,10 @@ pub fn format_report(results: &[BenchmarkResult]) -> String {
             report.push('\n');
         }
 
-        let mut extras: Vec<(String, String, Vec<(String, f64)>)> = category_results
+        type ExtraEntry = (String, f64);
+        type ExtraGroup = (String, String, Vec<ExtraEntry>);
+
+        let mut extras: Vec<ExtraGroup> = category_results
             .iter()
             .filter(|r| !r.extra.is_empty())
             .map(|r| {