This removes the last dependency on rayon 0.9

Removes the walkdir 1.0 and same-file 0.1 dependencies

Now begins the saga of fixing compilation errors on other platforms...

This pulls in the rest of LLVM's `release_60` branch (the actual 6.0.0 release)
and also pulls in a cherry-pick to...

Closes rust-lang#48226

Closes rust-lang#43738.

This Python script was used to generate a `ziggurat_tables.rs` file in
librand, but librand was moved out of the repo.

* https://github.com/rust-lang/rust/commits/master/src/librand/distributions/ziggurat_tables.rs
* https://github.com/rust-lang-nursery/rand/blob/master/utils/ziggurat_tables.py

Part of rust-lang#47320

Part of rust-lang#47320

Part of rust-lang#47320

Part of rust-lang#47320

Part of rust-lang#47320

Part of rust-lang#47320

Part of rust-lang#47320

Part of rust-lang#47320

Part of rust-lang#47320

…fix, r=QuietMisdreavus

Add resource-suffix option for rustdoc

Alternative version of rust-lang#48442.

cc @onur

r? @QuietMisdreavus

Drop rustc-serialize, add winapi 0.3 and Serde!

…crichton

Better docs and associated SUCCESS/FAILURE for process::ExitCode

Follow-up to rust-lang#48497 (comment), since that PR was the minimal thing to unblock rust-lang#48453 (comment).

r? @nikomatsakis

Fixed rust-lang#48425 : Various functions taking a `TyCtxt` and a `Span` should be taking a `TyCtxtAt`

Hi @oli-obk
I have done some code refactoring to fix rust-lang#48425, Please let me know if anything else is required on this.

…tsakis

Remove ty::Predicate::Equate and ty::EquatePredicate (dead code)

r? @nikomatsakis

I also killed the EquatePredicate subsystem. Does it look fine?

Close rust-lang#48670

Fix save-analysis generation crash with invalid tuple access

Reproduction:

```rust
fn invalid_tuple_struct_accessing() {
    bar.0;
}
```
```
error[E0425]: cannot find value `bar` in this scope
 --> test.rs:2:5
  |
2 |     bar.0;
  |     ^^^ not found in this scope

error[E0601]: main function not found

error: internal compiler error: librustc_save_analysis/dump_visitor.rs:1678: Expected struct or tuple type, found TyError
 --> test.rs:2:5
  |
2 |     bar.0;
  |     ^^^^^

thread 'rustc' panicked at 'Box<Any>', librustc_errors/lib.rs:482:9
note: Run with `RUST_BACKTRACE=1` for a backtrace.
```

This should fix a crash in RLS when editing such code. cc @nrc

Stabilize option_ref_mut_cloned

Closes rust-lang#43738.

…=alexcrichton

Remove unused 'src/etc/ziggurat_tables.py' Python script.

This Python script was used to generate a `ziggurat_tables.rs` file in
librand, but librand was moved out of the repo.

* https://github.com/rust-lang/rust/commits/master/src/librand/distributions/ziggurat_tables.rs
* https://github.com/rust-lang-nursery/rand/blob/master/utils/ziggurat_tables.py

…o update-cargo

…into update-cargo

…rust into update-cargo

…o update-cargo

… into update-cargo

…to update-cargo

Take two more slow builders and split them in two to get them under 2 hrs

…into rollup