this patch increases the compatibility to other operating systems

Fix rust-lang#70365, cc rust-lang#70572.

Local items defined in external macros shouldn't generate rendered source files and should link to the external crate's docs instead.

add basic support of OsStrExt for HermitCore

- this patch increases the compatibility to other operating systems
- in principle `ffi.rs` is derived from `src/libstd/sys/unix/ext/ffi.rs`

Add inline attributes for functions used in the query system

… r=eddyb

rustdoc: Don't try to load source files from external crates

Local items defined in external macros shouldn't generate rendered source files and should link to the external crate's docs instead.

Part of rust-lang#70757

r? @GuillaumeGomez
cc @eddyb

Fix abuses of tykind::err

r? @eddyb

cc rust-lang#70866

Suggest move for closures and async blocks in more cases.

Fixes rust-lang#66107, also improves rust-lang#67577
Related PR rust-lang#65166

…bosity, r=davidtwco

Do not suggest adding type param when `use` is already suggested

Fix rust-lang#70365, cc rust-lang#70572.

add tracking issue to `VecDeque::make_contiguous`

The tracking issue is rust-lang#70929