codex: fix CI failure on PR #31891

codex-rs/rollout/src/reverse_jsonl_scanner.rs

@@ -10,6 +10,7 @@ const READ_CHUNK_SIZE: usize = 8 * 1024;
 #[derive(Debug)]
 pub(crate) enum ScanOutcome<T> {
     Parsed(T),
+    #[allow(dead_code)]
     Rejected(serde_json::Error),
 }
 

codex-rs/rollout/src/session_index.rs

@@ -245,13 +245,11 @@ where
 {
     let mut scanner = ReverseJsonlScanner::new(File::open(path)?)?;
     while let Some(outcome) = scanner.scan_next::<SessionIndexEntry>()? {
-        match outcome {
-            ScanOutcome::Parsed(entry) => {
-                if let Some(entry) = visit_entry(&entry)? {
-                    return Ok(Some(entry));
-                }
-            }
-            ScanOutcome::Rejected(_) => continue,
+        let ScanOutcome::Parsed(entry) = outcome else {
+            continue;
+        };
+        if let Some(entry) = visit_entry(&entry)? {
+            return Ok(Some(entry));
         }
     }
     Ok(None)