fix: Segfault on dropping picker mid-rescan (#465)

Author: dmtrKovalenko

crates/fff-core/benches/memmem_bench.rs

@@ -83,14 +83,6 @@ fn bench_memmem(c: &mut Criterion) {
                     b.iter(|| black_box(case_insensitive_memmem::search(h, n)));
                 },
             );
-
-            group.bench_with_input(
-                BenchmarkId::new("scalar_baseline", &id),
-                &(haystack, &needle_lower),
-                |b, &(h, n)| {
-                    b.iter(|| black_box(case_insensitive_memmem::search_scalar(h, n)));
-                },
-            );
         }
     }
 

crates/fff-core/src/background_watcher.rs

@@ -587,12 +587,13 @@ fn handle_debounced_events(
         }
 
         overflow_count = picker.get_overflow_files().len();
-        info!(
-            files_updated = files_to_update_git_status.len(),
-            overflow_count, "File index changes applied",
-        );
     }
 
+    info!(
+        files_updated = files_to_update_git_status.len(),
+        overflow_count, "File index changes applied",
+    );
+
     if need_full_rescan || overflow_count > MAX_OVERFLOW_FILES {
         info!("Watcher faced limit of index overflow. Triggering rescan");
         if let Err(e) = shared_picker.trigger_full_rescan_async(shared_frecency) {