Rollup of 7 pull requests

[JohnTitor]

Successful merges:

• Updating str.chars docs to mention crates.io. #68495 (Updating str.chars docs to mention crates.io.)
• Improve #Safety of various methods in core::ptr #68701 (Improve #Safety of various methods in core::ptr)
• macOS: avoid calling pthread_self() twice #68767 (macOS: avoid calling pthread_self() twice)
• Rename FunctionRetTy to FnRetTy #69179 (Rename FunctionRetTy to FnRetTy)
• [tiny] parser: macro_rules is a weak keyword #69186 ([tiny] parser: macro_rules is a weak keyword)
• Clean up E0309 explanation #69188 (Clean up E0309 explanation)
• debug_assert a few more raw pointer methods #69208 (debug_assert a few more raw pointer methods)

Failed merges:

r? @ghost

[JohnTitor]

@bors r+ p=7 rollup=never

[bors]

📌 Commit 1dafcce has been approved by JohnTitor

[bors]

⌛ Testing commit 1dafcce with merge 0370cef186fc1a2dd44305b16234ec551d4ad408...

[rust-highfive]

The job x86_64-gnu of your PR failed (pretty log, 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.

2020-02-16T22:24:06.2451111Z 
2020-02-16T22:24:06.2451588Z ------------------------------------------
2020-02-16T22:24:06.2451818Z stderr:
2020-02-16T22:24:06.2452156Z ------------------------------------------
2020-02-16T22:24:06.2452713Z thread 'main' panicked at 'used 976 bytes of stack, but `struct Big` is only 384 bytes', /checkout/src/test/ui/issues/issue-40883.rs:83:9
2020-02-16T22:24:06.2453368Z 
2020-02-16T22:24:06.2453718Z ------------------------------------------
2020-02-16T22:24:06.2453937Z 
2020-02-16T22:24:06.2454011Z 
---
2020-02-16T22:24:06.2467133Z thread 'main' panicked at 'Some tests failed', src/tools/compiletest/src/main.rs:348:22
2020-02-16T22:24:06.2467594Z note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
2020-02-16T22:24:06.2481147Z 
2020-02-16T22:24:06.2481407Z 
2020-02-16T22:24:06.2485478Z command did not execute successfully: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage0-tools-bin/compiletest" "--compile-lib-path" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib" "--run-lib-path" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/x86_64-unknown-linux-gnu/lib" "--rustc-path" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "--src-base" "/checkout/src/test/ui" "--build-base" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui" "--stage-id" "stage2-x86_64-unknown-linux-gnu" "--mode" "ui" "--target" "x86_64-unknown-linux-gnu" "--host" "x86_64-unknown-linux-gnu" "--llvm-filecheck" "/checkout/obj/build/x86_64-unknown-linux-gnu/llvm/build/bin/FileCheck" "--host-rustcflags" "-Crpath -O -Cdebuginfo=0 -Zunstable-options  -Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "--target-rustcflags" "-Crpath -O -Cdebuginfo=0 -Zunstable-options  -Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "--docck-python" "/usr/bin/python2.7" "--lldb-python" "/usr/bin/python2.7" "--gdb" "/usr/bin/gdb" "--llvm-version" "9.0.1-rust-1.43.0-nightly\n" "--cc" "" "--cxx" "" "--cflags" "" "--llvm-components" "" "--adb-path" "adb" "--adb-test-dir" "/data/tmp/work" "--android-cross-path" "" "--color" "always"
2020-02-16T22:24:06.2486609Z 
2020-02-16T22:24:06.2486778Z 
2020-02-16T22:24:06.2499656Z failed to run: /checkout/obj/build/bootstrap/debug/bootstrap test
2020-02-16T22:24:06.2500170Z Build completed unsuccessfully in 1:47:08
2020-02-16T22:24:06.2500170Z Build completed unsuccessfully in 1:47:08
2020-02-16T22:24:06.2555345Z == clock drift check ==
2020-02-16T22:24:06.2575769Z   local time: Sun Feb 16 22:24:06 UTC 2020
2020-02-16T22:24:06.4924850Z   network time: Sun, 16 Feb 2020 22:24:06 GMT
2020-02-16T22:24:06.4924988Z == end clock drift check ==
2020-02-16T22:24:07.0506196Z 
2020-02-16T22:24:07.0611018Z ##[error]Bash exited with code '1'.
2020-02-16T22:24:07.0673530Z ##[section]Starting: Checkout rust-lang/rust@auto to s
2020-02-16T22:24:07.0675676Z ==============================================================================
2020-02-16T22:24:07.0675946Z Task         : Get sources
2020-02-16T22:24:07.0676047Z Description  : Get sources from a repository. Supports Git, TfsVC, and SVN repositories.

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)

[bors]

💔 Test failed - checks-azure