Cleanup rustc_features some more

[nnethercote]

The sequel to #116437.

r? @Nilstrieb

[rustbot]

These commits modify compiler targets.
(See the Target Tier Policy.)

[bors]

☔ The latest upstream changes (presumably #116407) made this pull request unmergeable. Please resolve the merge conflicts.

[nnethercote]

I have updated to remove the commit with the comment change.

[Nilstrieb]

@bors r+

[bors]

📌 Commit d284c8a has been approved by Nilstrieb

It is now in the queue for this repository.

[bors]

⌛ Testing commit d284c8a with merge 7d060b8...

[rust-log-analyzer]

The job x86_64-msvc-ext failed! Check out the build log: (web) (plain)

Click to see the possible cause of the failure (guessed by this bot)

tests\ui-toml\undocumented_unsafe_blocks\undocumented_unsafe_blocks.rs (default) ... ok
tests\ui-toml\undocumented_unsafe_blocks\undocumented_unsafe_blocks.rs (disabled) ... ok

tests\ui-toml\doc_valid_idents_append\doc_markdown.rs FAILED:
command: "C:\\a\\rust\\rust\\build\\x86_64-pc-windows-msvc\\stage2-tools\\x86_64-pc-windows-msvc\\release\\clippy-driver.exe" "--error-format=json" "--emit=metadata" "-Aunused" "-Ainternal_features" "-Zui-testing" "-Dwarnings" "-Ldependency=C:\\a\\rust\\rust\\build\\x86_64-pc-windows-msvc\\stage2-tools\\x86_64-pc-windows-msvc\\release\\deps" "--extern=clippy_lints=\\\\?\\C:\\a\\rust\\rust\\build\\x86_64-pc-windows-msvc\\stage2-tools\\x86_64-pc-windows-msvc\\release\\deps\\libclippy_lints-5e8d785e054edb28.rlib" "--extern=clippy_utils=\\\\?\\C:\\a\\rust\\rust\\build\\x86_64-pc-windows-msvc\\stage2-tools\\x86_64-pc-windows-msvc\\release\\deps\\libclippy_utils-0cf228b0c1780fd5.rlib" "--extern=futures=\\\\?\\C:\\a\\rust\\rust\\build\\x86_64-pc-windows-msvc\\stage2-tools\\x86_64-pc-windows-msvc\\release\\deps\\libfutures-a074388a1bf2e009.rlib" "--extern=if_chain=\\\\?\\C:\\a\\rust\\rust\\build\\x86_64-pc-windows-msvc\\stage2-tools\\x86_64-pc-windows-msvc\\release\\deps\\libif_chain-ba0253edeba7a8f0.rlib" "--extern=itertools=\\\\?\\C:\\a\\rust\\rust\\build\\x86_64-pc-windows-msvc\\stage2-tools\\x86_64-pc-windows-msvc\\release\\deps\\libitertools-6894b4f3e8c5523f.rlib" "--extern=parking_lot=\\\\?\\C:\\a\\rust\\rust\\build\\x86_64-pc-windows-msvc\\stage2-tools\\x86_64-pc-windows-msvc\\release\\deps\\libparking_lot-f87e1900e520ff9b.rlib" "--extern=quote=\\\\?\\C:\\a\\rust\\rust\\build\\x86_64-pc-windows-msvc\\stage2-tools\\x86_64-pc-windows-msvc\\release\\deps\\libquote-3ebce4a1d5d43cf1.rlib" "--extern=regex=\\\\?\\C:\\a\\rust\\rust\\build\\x86_64-pc-windows-msvc\\stage2-tools\\x86_64-pc-windows-msvc\\release\\deps\\libregex-3e46ad2dfdd0c657.rlib" "--extern=serde=\\\\?\\C:\\a\\rust\\rust\\build\\x86_64-pc-windows-msvc\\stage2-tools\\x86_64-pc-windows-msvc\\release\\deps\\libserde-12500b7f802b2beb.rlib" "--extern=serde_derive=\\\\?\\C:\\a\\rust\\rust\\build\\x86_64-pc-windows-msvc\\stage2-tools\\release\\deps\\serde_derive-67ed154847593e2b.dll" "--extern=syn=\\\\?\\C:\\a\\rust\\rust\\build\\x86_64-pc-windows-msvc\\stage2-tools\\x86_64-pc-windows-msvc\\release\\deps\\libsyn-bc3ce53f417d339c.rlib" "--extern=tokio=\\\\?\\C:\\a\\rust\\rust\\build\\x86_64-pc-windows-msvc\\stage2-tools\\x86_64-pc-windows-msvc\\release\\deps\\libtokio-159ee9fbda356223.rlib" "-Ldependency=C:\\a\\rust\\rust\\build\\x86_64-pc-windows-msvc\\stage2-tools\\release\\deps" "--out-dir" "\\\\?\\C:\\a\\rust\\rust\\build\\x86_64-pc-windows-msvc\\stage2-tools\\ui_test" "tests\\ui-toml\\doc_valid_idents_append\\doc_markdown.fixed" "--edition" "2021" "--crate-name" "doc_markdown"
rustfix failed with exit code: 1
thread 'main' panicked at src\tools\clippy\tests\compile-test.rs:247:6:
called `Result::unwrap()` on an `Err` value: tests failed


Location:
    C:\Users\runneradmin\.cargo\registry\src\index.crates.io-6f17d22bba15001f\ui_test-0.20.0\src\lib.rs:362:13
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

full stderr:
error: failed to write \\?\C:\a\rust\rust\build\x86_64-pc-windows-msvc\stage2-tools\ui_test\libdoc_markdown.rmeta: Access is denied. (os error 5)
error: aborting due to previous error


full stdout:

[bors]

💔 Test failed - checks-actions

[Nilstrieb]

why do you need to make your access issues everyone's problem, rustfix
@bors retry

[bors]

⌛ Testing commit d284c8a with merge 98c1e3d...

[bors]

☀️ Test successful - checks-actions
Approved by: Nilstrieb
Pushing 98c1e3d to master...

[rust-timer]

Finished benchmarking commit (98c1e3d): comparison URL.

Overall result: no relevant changes - no action needed

@rustbot label: -perf-regression

Instruction count

This benchmark run did not return any relevant results for this metric.

Max RSS (memory usage)

Results

This is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	-	-	0
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-3.0%	[-3.0%, -3.0%]	1
All ❌✅ (primary)	-	-	0

Cycles

This benchmark run did not return any relevant results for this metric.

Binary size

This benchmark run did not return any relevant results for this metric.

Bootstrap: 625.899s -> 626.363s (0.07%)
Artifact size: 305.58 MiB -> 305.53 MiB (-0.02%)