Rollup of 7 pull requests#102626

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matthiaskrgr wants to merge 24 commits intorust-lang:masterfrom

matthiaskrgr:rollup-l0xkuwy

Commits on Jun 18, 2022

Document the conditional existence of `alloc::sync` and `alloc::task`.
kpreid
committed

Commits on Jul 13, 2022

docs: be less harsh in wording for Vec::from_raw_parts
duarten
committed

Commits on Jul 14, 2022

Commits on Jul 19, 2022

Commits on Jul 21, 2022

fixup! docs: Improve AsRef / AsMut docs on blanket impls
JanBeh
committed

Commits on Aug 9, 2022

Commits on Aug 13, 2022

Tweak `FpCategory` example order.
reitermarkus
authored

Commits on Sep 5, 2022

Commits on Sep 15, 2022

Future-proof against loose bounds if default variant is non-exhaustive.

danielhenrymantilla
and
Mark-Simulacrum
committed

Commits on Sep 27, 2022

introduce `{char, u8}::is_ascii_octdigit`
oppiliappan
committed

Commits on Oct 3, 2022