[stable] Prepare Rust 1.91.0 release#148179

Merged

bors merged 9 commits intorust-lang:stablefrom

cuviper:stable-next

Oct 27, 2025

Commits on Oct 27, 2025

[beta-1.91] Add more context to the temporary lifetime extension FCW
theemathas
committed
rustdoc-search: reduce async machinery in value lookups

notriddle
authored and
cuviper
committed
rustdoc-search: delay loading type name IDs until type search

notriddle
authored and
cuviper
committed
rustdoc-search: use the same ID for entry and path to same item

notriddle
authored and
cuviper
committed
rustdoc-search: add descriptive comment to space-saving hack

notriddle
authored and
cuviper
committed
rustdoc-search: stringdex update with more packing

notriddle
authored and
cuviper
committed
rustdoc-search: stringdex 0.0.2

notriddle
authored and
cuviper
committed
fix(len_zero): don't eagerly call `GenericArgs::type_at` (#15660)

y21
authored and
cuviper
committed
1.91.0 stable release
cuviper
committed