Update Rustfmt and RLS

[Xanewok]

Supersedes #56652, hopefully fixes toolstate.

r? @SimonSapin

[rust-highfive]

⚠️ Warning ⚠️

• These commits modify submodules.

[rust-highfive]

The job x86_64-gnu-tools of your PR failed on Travis (raw log). Through arcane magic we have determined that the following fragments from the build log may contain information about the problem.

Click to expand the log.

travis_time:end:0295a60a:start=1544429469773414786,finish=1544429470901596774,duration=1128181988
$ git checkout -qf FETCH_HEAD
travis_fold:end:git.checkout

Encrypted environment variables have been removed for security reasons.
See https://docs.travis-ci.com/user/pull-requests/#Pull-Requests-and-Security-Restrictions
$ export SCCACHE_BUCKET=rust-lang-ci-sccache2
$ export SCCACHE_REGION=us-west-1
Setting environment variables from .travis.yml
$ export IMAGE=x86_64-gnu-tools
---
[01:20:54]    Compiling rustc-ap-rustc_target v306.0.0
[01:20:54]    Compiling rustc-ap-syntax_pos v306.0.0
[01:21:07]    Compiling rustc-ap-rustc_errors v306.0.0
[01:21:26]    Compiling rustc-ap-syntax v306.0.0
[01:24:25] error[E0433]: failed to resolve: could not find `AsFail` in `failure`
[01:24:25]   --> src/tools/rustfmt/src/format-diff/main.rs:39:10
[01:24:25]    |
[01:24:25] 39 | #[derive(Fail, Debug)]
[01:24:25]    |          ^^^^ could not find `AsFail` in `failure`
[01:24:25] error: aborting due to previous error
[01:24:25] 
[01:24:25] For more information about this error, try `rustc --explain E0433`.
[01:24:25] error: Could not compile `rustfmt-nightly`.
---
[01:26:08] This PR updated 'src/tools/rustfmt', verifying if status is 'test-pass'...
[01:26:08] 
[01:26:08] ⚠️ We detected that this PR updated 'rustfmt', but its tests failed.
[01:26:08] 
[01:26:08] If you do intend to update 'rustfmt', please check the error messages above and
[01:26:08] commit another update.
[01:26:08] 
[01:26:08] If you do NOT intend to update 'rustfmt', please ensure you did not accidentally
[01:26:08] change t-linux-gnu/stage0-codegen/x86_64-unknown-linux-gnu/release
214760 ./obj/build/x86_64-unknown-linux-gnu/stage0-codegen/x86_64-unknown-linux-gnu/release/deps
210876 ./src/llvm-emscripten/test
204532 ./obj/build/x86_64-unknown-linux-gnu/stage1
204512 ./obj/build/x86_64-unknown-linux-gnu/stage1/lib
---
137492 ./obj/build/x86_64-unknown-linux-gnu/stage1-rustc/x86_64-unknown-linux-gnu/release/deps
134420 ./.git/modules
134416 ./.git/modules/src
133856 ./obj/build/bootstrap/debug/incremental/bootstrap-2sokbknxy3png
133852 ./obj/build/bootstrap/debug/incremental/bootstrap-2sokbknxy3png/s-f7gd5f0xvg-1qd9e0u-l8salou8bz1b
115356 ./src/llvm/test/CodeGen
111060 ./obj/build/x86_64-unknown-linux-gnu/stage2-tools/release/deps
107888 ./obj/build/x86_64-unknown-linux-gnu/stage0/lib/rustlib/x86_64-unknown-linux-gnu/codegen-backends
107416 ./src/tools/lldb

I'm a bot! I can only do what humans tell me to, so if this was not helpful or you have suggestions for improvements, please ping or otherwise contact @TimNN. (Feature Requests)

[SimonSapin]

r? @alexcrichton

[kennytm]

@bors r+ p=2

[bors]

📌 Commit 4ceed86 has been approved by kennytm

[bors]

⌛ Testing commit 4ceed86 with merge 1137d29...

[bors]

💥 Test timed out

[alexcrichton]

This passed on both so I'm going to merge manually, assuming a CI glitch:

• https://travis-ci.org/rust-lang/rust/builds/466020366
• https://ci.appveyor.com/project/rust-lang/rust

[rust-highfive]

📣 Toolstate changed by #56666!

Tested on commit 1137d29.
Direct link to PR: #56666

🎉 rls on windows: build-fail → test-pass (cc @nrc @Xanewok, @rust-lang/infra).
🎉 rls on linux: build-fail → test-pass (cc @nrc @Xanewok, @rust-lang/infra).
🎉 rustfmt on windows: build-fail → test-pass (cc @nrc, @rust-lang/infra).
🎉 rustfmt on linux: build-fail → test-pass (cc @nrc, @rust-lang/infra).