Inline the verdict header, and take the formatter's pass

clippy::print_literal on the results table header, and rustfmt's first
look at code whose author could not run cargo. The four constructs the
author flagged as risky -- scoped-thread lanes, a seventeen-argument
params!, is_some_and over a closure, a refutable let-else -- all compiled
untouched.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

tools/bench/src/memory.rs

@@ -173,7 +173,10 @@ pub fn in_a_fresh_process(catalog_path: &Path) -> Result<Rss> {
             .and_then(|v| v.parse::<u64>().ok())
     };
     let (Some(now_kb), Some(peak_kb)) = (field("rss_kb="), field("peak_kb=")) else {
-        anyhow::bail!("the memory probe printed something unreadable: {}", text.trim());
+        anyhow::bail!(
+            "the memory probe printed something unreadable: {}",
+            text.trim()
+        );
     };
     Ok(Rss { now_kb, peak_kb })
 }