Rollup of 8 pull requests

[Mark-Simulacrum]

Successful merges:

• Simplify a few functions in rustc_data_structures #52697 (Simplify a few functions in rustc_data_structures)
• Update clippy to latest master #52745 (Update clippy to latest master)
• Clarify thread::park semantics #52771 (Clarify thread::park semantics)
• Delete unstable deprecated APIs #52814 (Delete unstable deprecated APIs)
• Fix From<LocalWaker> #52822 (Fix From)
• Fix -Wpessimizing-move warnings in rustllvm/PassWrapper #52824 (Fix -Wpessimizing-move warnings in rustllvm/PassWrapper)
• Make sure #47772 does not regress #52825 (Make sure Use the slice length to hint the optimizer about iter.position result #47772 does not regress)
• [NLL] Fix some things for bootstrap #52830 ([NLL] Fix some things for bootstrap)

Failed merges:

r? @ghost

[Mark-Simulacrum]

@bors r+ p=1

[bors]

📌 Commit 71f606d48c3aa6a96557d84b12571076f79bffa6 has been approved by Mark-Simulacrum

[bors]

⌛ Testing commit 71f606d48c3aa6a96557d84b12571076f79bffa6 with merge d7040fb65486987baeeff7e0d5fed1d68f841747...

[bors]

💔 Test failed - status-travis

[rust-highfive]

The job x86_64-gnu-distcheck 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.

[00:07:41] [TIMING] ToolBuild { compiler: Compiler { stage: 0, host: "x86_64-unknown-linux-gnu" }, target: "x86_64-unknown-linux-gnu", tool: "fabricate", path: "src/tools/rust-installer", mode: ToolBootstrap, is_optional_tool: false, source_type: Submodule, extra_features: [] } -- 49.277
[00:11:11] [TIMING] PlainSourceTarball -- 341.526
[00:11:11] Dist src
[00:11:11] thread 'main' panicked at 'could not read dir "/checkout/src/libstd_unicode": Os { code: 2, kind: NotFound, message: "No such file or directory" }', bootstrap/lib.rs:1248:25
[00:11:11] failed to run: /checkout/obj/build/bootstrap/debug/bootstrap test distcheck
[00:11:11] Build completed unsuccessfully in 0:08:32
travis_time:end:01e647b4:start=1532920615442519425,finish=1532921287210773916,duration=671768254491

---
travis_time:end:010ce717:start=1532921287698134608,finish=1532921287703174524,duration=5039916
travis_fold:end:after_failure.3
travis_fold:start:after_failure.4
travis_time:start:012c6fd2
$ ln -s . checkout && for CORE in obj/cores/core.*; do EXE=$(echo $CORE | sed 's|obj/cores/core\.[0-9]*\.!checkout!\(.*\)|\1|;y|!|/|'); if [ -f "$EXE" ]; then printf travis_fold":start:crashlog\n\033[31;1m%s\033[0m\n" "$CORE"; gdb -q -c "$CORE" "$EXE" -iex 'set auto-load off' -iex 'dir src/' -iex 'set sysroot .' -ex bt -ex q; echo travis_fold":"end:crashlog; fi; done || true
travis_fold:end:after_failure.4
travis_fold:start:after_failure.5
travis_time:start:0fbae336
travis_time:start:0fbae336
$ cat ./obj/build/x86_64-unknown-linux-gnu/native/asan/build/lib/asan/clang_rt.asan-dynamic-i386.vers || true
cat: ./obj/build/x86_64-unknown-linux-gnu/native/asan/build/lib/asan/clang_rt.asan-dynamic-i386.vers: No such file or directory
travis_fold:end:after_failure.5
travis_fold:start:after_failure.6
travis_time:start:02460370
$ dmesg | grep -i kill

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)

[kennytm]

Caused by #52814 removing std_unicode incompletely.