fix(scanner): correct observational usage arguments

crates/scanner/src/scanner_io/cache.rs

@@ -255,7 +255,7 @@ pub(super) fn observational_data_usage_info(
     let mut sources = expected_sources.iter().copied().collect::<Vec<_>>();
     sources.sort_by_key(|source| (source.pool_index, source.set_index));
     for source in sources {
-        let result = by_source.get(source).copied();
+        let result = by_source.get(&source).copied();
         let current = result.filter(|result| {
             result.info.snapshot_complete
                 && result.info.next_cycle == scanner_cycle

crates/scanner/src/scanner_io/io_cycle.rs

@@ -392,7 +392,7 @@ impl ScannerIOCycle for ECStore {
                 observational_data_usage_info(
                     &results,
                     &expected_sources,
-                    &all_buckets,
+                    &all_bucket_names,
                     scan_plan_digest,
                     want_cycle,
                     leader_epoch,