Also:
- apply some rustfmt love
- fix output of one example

Ideally I'd like to soon enable sccache for rustbuild itself and some of the
stage0 tools, but for that to work we'll need some better Rust support than the
pretty old version we were previously using!

Also fix a spelling mistake.

This Python script converts documentation comments from the
`#[doc = "..."]` attribute to the `///` syntax. It was added six
years ago, presumably to help with the transition when `///` was
implemented and hasn't really been touched since. I don't think there's
much value in keeping it around at this point.

Fix spelling s/casted/cast/

r? @GuillaumeGomez

Suggest type for overflowing bin/hex-literals

Fixes rust-lang#48073

For hexadecimal and binary literals, which overflow, it gives an additional note to the warning message, like in this [comment](rust-lang#48073 (comment)).

Additionally it will suggest a type (`X < Y`):
- `iX`: if literal fits in `uX` => `uX`, else => `iY`
- `-iX` => `iY`
- `uX` => `uY`

Exceptions: `isize`, `usize`. I don't think you can make a good suggestion here. The programmer has to figure it out on it's own in this case.

r? @oli-obk

…fix, r=QuietMisdreavus

Add resource-suffix option for rustdoc

Alternative version of rust-lang#48442.

cc @onur

r? @QuietMisdreavus

…e, r=estebank

Raw string error note

Fixes rust-lang#48395.

I think this note should be helpful enough to solve the issue.

doc: no need for the reference

Also, we are well within line length limit

Update sccache to its master branch

Ideally I'd like to soon enable sccache for rustbuild itself and some of the
stage0 tools, but for that to work we'll need some better Rust support than the
pretty old version we were previously using!

…h, r=rkruppe

Refactor contrived match.

…hton

Remove useless powerpc64 entry from ARCH_TABLE

Hope, I understood the scope of the fix correctly. closes rust-lang#47737

Remove a couple of `isize` references from hashmap docs

Also fix a spelling mistake.

…s, r=rkruppe

while let all the things

…crichton

Remove seemingly unused sugarise-doc-comments Python script.

This Python script converts documentation comments from the
`#[doc = "..."]` attribute to the `///` syntax. It was added six
years ago, presumably to help with the transition when `///` was
implemented and hasn't really been touched since. I don't think there's
much value in keeping it around at this point.