- Patched a race condition in std::fs::remove_dir_all (CVE‑2022‑21658).
- Fixed several Clippy lint issues (useless_format handling, non‑Send fields in Send types) and improved rustfmt's handling of stdin-generated files.
- Corrected the error message shown when imports are missing.
Rust 1.58.1
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Language: allow shortening lifetimes of &mut during unsize coercions and introduce new lints for invalid runtime symbols and c void return types.