Auto merge of #107451 - matthiaskrgr:rollup-m4ucfu8, r=matthiaskrgr
Rollup of 11 pull requests
Successful merges:
- #96763 (Fix maintainer validation message)
- #106540 (Insert whitespace to avoid ident concatenation in suggestion)
- #106763 (print why a test was ignored if its the only test specified)
- #106769 (libtest: Print why a test was ignored if it's the only test specified.)
- #106798 (Implement `signum` with `Ord`)
- #107006 (Output tree representation on thir-tree)
- #107078 (Update wording of invalid_doc_attributes docs.)
- #107169 (Pass `--locked` to the x test tidy call)
- #107431 (docs: remove colon from time header)
- #107432 (rustdoc: remove unused class `has-srclink`)
- #107448 (When stamp doesn't exist, should say Error, and print path to stamp file)