fix(logging): bound ECStore debug output (#6809)

Also replace deprecated Atomic::fetch_update calls with try_update so the
current Rust toolchain keeps lint and CI jobs warning-clean.

Co-authored-by: heihutu <heihutu@gmail.com>

crates/targets/src/store.rs

@@ -641,7 +641,7 @@ impl<T: Serialize + DeserializeOwned + Send + Sync> QueueStore<T> {
         // The closure always returns Some, so the update never fails and the Result is discarded.
         let _ = self
             .failed_count
-            .fetch_update(Ordering::SeqCst, Ordering::SeqCst, |current| Some(current.saturating_sub(1)));
+            .try_update(Ordering::SeqCst, Ordering::SeqCst, |current| Some(current.saturating_sub(1)));
     }
 
     /// Maps a per-entry stat outcome inside the ordered failed scan. A NotFound error means the file

crates/targets/src/testkit.rs

@@ -53,7 +53,7 @@ impl Drop for HealthDropGuard {
 /// A budget of `usize::MAX` behaves as "always fail" for any realistic call count.
 fn consume_failure_budget(budget: &AtomicUsize) -> bool {
     budget
-        .fetch_update(Ordering::SeqCst, Ordering::SeqCst, |remaining| remaining.checked_sub(1))
+        .try_update(Ordering::SeqCst, Ordering::SeqCst, |remaining| remaining.checked_sub(1))
         .is_ok()
 }