Rollup of 4 pull requests

[Centril]

Successful merges:

• reserve impl<T> From<!> for T #62661 (reserve impl<T> From<!> for T)
• Rust 2015: No longer downgrade NLL errors #64221 ( Rust 2015: No longer downgrade NLL errors)
• Rename TyS.sty to TyS.kind #64513 (Rename TyS.sty to TyS.kind)
• Fix ExitStatus on Fuchsia #64787 (Fix ExitStatus on Fuchsia)

Failed merges:

r? @ghost

[Centril]

@bors r+ p=4 rollup=never

[bors]

📌 Commit 2c7796a has been approved by Centril

[bors]

⌛ Testing commit 2c7796a with merge fb78acac3713e20dbe9b57b86ee17684014e9ab5...

[bors]

💔 Test failed - checks-azure

[rust-highfive]

The job x86_64-msvc-cargo 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.

2019-09-26T02:45:21.0854883Z do so (now or later) by using -b with the checkout command again. Example:
2019-09-26T02:45:21.0854981Z 
2019-09-26T02:45:21.0855062Z   git checkout -b <new-branch-name>
2019-09-26T02:45:21.0855112Z 
2019-09-26T02:45:21.0855374Z HEAD is now at fb78acac3 Auto merge of #64800 - Centril:rollup-euzm6ix, r=Centril
2019-09-26T02:45:21.1256975Z ##[section]Starting: Collect CPU-usage statistics in the background
2019-09-26T02:45:21.1390081Z ==============================================================================
2019-09-26T02:45:21.1390199Z Task         : Bash
2019-09-26T02:45:21.1390273Z Description  : Run a Bash script on macOS, Linux, or Windows
---
2019-09-26T04:26:51.7555170Z == clock drift check ==
2019-09-26T04:26:51.8244705Z   local time: Thu Sep 26 04:26:51 CUT 2019
2019-09-26T04:26:52.0442961Z   network time: Thu, 26 Sep 2019 04:26:52 GMT
2019-09-26T04:26:52.0466694Z == end clock drift check ==
2019-09-26T04:26:52.5512263Z ##[error]Bash exited with code '1'.
2019-09-26T04:26:52.6168613Z ##[section]Starting: Upload CPU usage statistics
2019-09-26T04:26:52.7161851Z ==============================================================================
2019-09-26T04:26:52.7161984Z Task         : Bash
2019-09-26T04:26:52.7162069Z Description  : Run a Bash script on macOS, Linux, or Windows

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