Rollup merge of #143683 - jieyouxu:rms-cleanup, r=Kobzol

Assorted `run-make-support` maintenance

This PR should contain no functional changes.

- Commit 1: Removes the support library's CHANGELOG. In the very beginning, I thought maybe we would try to version this library. But this is a purely internal test support library, and it's just extra busywork trying to maintain changelog/versions. It's also hopelessly outdated.
- Commit 2: Resets version number to `0.0.0`. Ditto on busywork.
- Commit 3: Bump `run-make-support` to Edition 2024. The support library was already "compliant" with Edition 2024.
- Commit 4: Slightly organizes the support library dependencies.
- Commit 5: Previously, I tried hopelessly to maintain some manual formatting, but that was annoying because it required skipping rustfmt (so export ordering etc. could not be extra formatted). Give up, and do some rearrangements / module prefix tricks to get the `lib.rs` looking at least *reasonable*. IMO this is not a strict improvement, but I rather regain the ability to auto-format it with rustfmt.
- Commit {6,7}: Noticed in rust-lang/rust#143669 that we apparently had *both* {`is_msvc`, `is_windows_msvc`}. This PR removes `is_msvc` in favor of `is_windows_msvc` to make it unambiguous (and only retain one way of gating) as there are some UEFI targets which are MSVC but not Windows.

Best reviewed commit-by-commit.

r? `@Kobzol`
tree: c3ba1d178faa3285fc911b5a7c6f2222aba1a630
  1. .cargo/
  2. .github/
  3. .vscode/
  4. assets/
  5. bench_data/
  6. crates/
  7. docs/
  8. editors/
  9. lib/
  10. xtask/
  11. .editorconfig
  12. .git-blame-ignore-revs
  13. .gitattributes
  14. .gitignore
  15. .typos.toml
  16. Cargo.lock
  17. Cargo.toml
  18. clippy.toml
  19. CONTRIBUTING.md
  20. LICENSE-APACHE
  21. LICENSE-MIT
  22. PRIVACY.md
  23. README.md
  24. rust-version
  25. rustfmt.toml
  26. triagebot.toml
README.md

rust-analyzer is a modular compiler frontend for the Rust language. It is a part of a larger rls-2.0 effort to create excellent IDE support for Rust.

Quick Start

https://rust-analyzer.github.io/book/installation.html

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If you want to contribute to rust-analyzer check out the CONTRIBUTING.md or if you are just curious about how things work under the hood, see the Contributing section of the manual.

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For usage and troubleshooting requests, please use “IDEs and Editors” category of the Rust forum:

https://users.rust-lang.org/c/ide/14

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rust-analyzer is primarily distributed under the terms of both the MIT license and the Apache License (Version 2.0).

See LICENSE-APACHE and LICENSE-MIT for details.