Rollup of 6 pull requests
Successful merges:
- #84072 (Allow setting `target_family` to multiple values, and implement `target_family="wasm"`)
- #84744 (Add ErrorKind::OutOfMemory)
- #84784 (Add help message to suggest const for unused type param)
- #84811 (RustDoc: Fix bounds linking trait.Foo instead of traitalias.Foo)
- #84818 (suggestion for unit enum variant when matched with a patern)
- #84832 (Do not print visibility in external traits)
Failed merges:
r? `@ghost`
`@rustbot` modify labels: rollup
59f551a2dc