Function build_string_array

crates/ffi/src/kernel.rs:3387–3393

(errors: &[String])

        let must_persist = !self.quiet
          || !outcome.is_expected()
          || outcome.is_slow(self.slow_threshold);
        if must_persist {
          Some(format!(
            "{prefix} ... {}",
            outcome.checked_suffix(self.slow_threshold)
          ))
        } else {
          None
        }
      },