Rollup of 4 pull requests

[Centril]

Successful merges:

• Update RLS and Rustfmt #62805 (Update RLS and Rustfmt)
• Turn INCOMPLETE_FEATURES into lint #63095 (Turn INCOMPLETE_FEATURES into lint)
• const fn-ify std::any::type_name as laid out in #63084 #63123 (const fn-ify std::any::type_name as laid out in Tracking issue for const fn type_name #63084)
• Subslice patterns: Test passing static & dynamic semantics. #63129 (Subslice patterns: Test passing static & dynamic semantics.)

Failed merges:

r? @ghost

[Centril]

@bors r+ p=20 rollup=never

[bors]

📌 Commit 10488da has been approved by Centril

[bors]

⌛ Testing commit 10488da with merge 3f5904afcd200fb21cd09566f838cb6c3c7498fd...

[bors]

💔 Test failed - checks-azure

[rust-highfive]

The job dist-x86_64-apple-alt of your PR failed (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.

2019-07-30T13:49:39.8692330Z [RUSTC-TIMING] git_rustfmt test:false 12.685
2019-07-30T13:49:41.4642870Z [RUSTC-TIMING] rustfmt test:false 14.284
2019-07-30T13:49:41.7453490Z [RUSTC-TIMING] cargo_fmt test:false 14.566
2019-07-30T13:49:41.7637720Z     Finished release [optimized] target(s) in 3m 12s
2019-07-30T13:49:41.8022060Z duplicate artifacts found when compiling a tool, this typically means that something was recompiled because a transitive dependency has different features activated than in a previous build:
2019-07-30T13:49:41.8022610Z 
2019-07-30T13:49:41.8022740Z the following dependencies are duplicated although they have the same features enabled:
2019-07-30T13:49:41.8023220Z the following dependencies have different features:
2019-07-30T13:49:41.8024190Z   crossbeam-utils 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)
2019-07-30T13:49:41.8025120Z     `rustfmt` additionally enabled features {"nightly"} at "/Users/vsts/agent/2.154.3/work/1/s/build/x86_64-apple-darwin/stage1-tools/x86_64-apple-darwin/release/deps/libcrossbeam_utils-6c8cd67381bcfe02.rlib"
2019-07-30T13:49:41.8026150Z     `cargo` additionally enabled features {} at "/Users/vsts/agent/2.154.3/work/1/s/build/x86_64-apple-darwin/stage1-tools/x86_64-apple-darwin/release/deps/libcrossbeam_utils-683657da3f16e5d0.rlib"
2019-07-30T13:49:41.8026300Z 
2019-07-30T13:49:41.8027090Z to fix this you will probably want to edit the local src/tools/rustc-workspace-hack/Cargo.toml crate, as that will update the dependency graph to ensure that these crates all share the same feature set
2019-07-30T13:49:41.8027860Z thread 'main' panicked at 'tools should not compile multiple copies of the same crate', src/bootstrap/tool.rs:198:13
2019-07-30T13:49:41.8150070Z failed to run: /Users/vsts/agent/2.154.3/work/1/s/build/bootstrap/debug/bootstrap dist
2019-07-30T13:49:41.8150730Z Build completed unsuccessfully in 1:17:33
2019-07-30T13:49:41.8150730Z Build completed unsuccessfully in 1:17:33
2019-07-30T13:49:41.8467730Z ##[error]Bash exited with code '1'.
2019-07-30T13:49:41.8528950Z ##[section]Starting: Upload CPU usage statistics
2019-07-30T13:49:41.8562050Z ==============================================================================
2019-07-30T13:49:41.8562170Z Task         : Bash
2019-07-30T13:49:41.8562270Z Description  : Run a Bash script on macOS, Linux, or Windows

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)