Auto merge of #148245 - matthiaskrgr:rollup-rudy14y, r=matthiaskrgr

Rollup of 4 pull requests Successful merges: - #148159 (Move rustdoc tests to appropriate subdirectories) - #148218 (Update T-compiler/ops Zulip messages) - #148228 (Run regression test for #147964 on next solver too) - #148237 (citool: Always print a signed percentage in job duration changes) r? `@ghost` `@rustbot` modify labels: rollup

Author: bors

src/ci/citool/src/analysis.rs

@@ -237,7 +237,7 @@ pub fn output_largest_duration_changes(
  println!("# Job duration changes");
  for (index, entry) in changes.into_iter().take(10).enumerate() {
  println!(
- "{}. {}: {:.1}s -> {:.1}s ({:.1}%)",
+ "{}. {}: {:.1}s -> {:.1}s ({:+.1}%)",
  index + 1,
  format_job_link(job_info_resolver, job_metrics, entry.job),
  entry.before.as_secs_f64(),