cargo: annotate test summary count parsing

cli/src/cargo_actor.rs

@@ -254,7 +254,7 @@ fn test_count(output: &str, field: &str) -> u64 {
         .filter_map(|part| {
             let words: Vec<_> = part.split_whitespace().collect();
             let index = words.iter().position(|word| *word == field)?;
-            words.get(index.checked_sub(1)?)?.parse().ok()
+            words.get(index.checked_sub(1)?)?.parse::<u64>().ok()
         })
         .sum()
 }