Cleanup debuginfo_compression unstable flag

[wesleywiser]

It isn't necessary to declare the option as a top-level flag when it is accessible from unstable_opts.

cc #120953

[rustbot]

r? @mati865

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[mati865]

@bors r+ rollup

[bors]

📌 Commit f74896f has been approved by mati865

It is now in the queue for this repository.

[bors]

⌛ Testing commit f74896f with merge bf6b5b9...

[bors]

☀️ Test successful - checks-actions
Approved by: mati865
Pushing bf6b5b9 to main...

[github-actions]

What is this?

This is an experimental post-merge analysis report that shows differences in test outcomes between the merged PR and its parent PR.

Comparing 1b43252 (parent) -> bf6b5b9 (this PR)

Test differences

Show 2 test diffs

2 doctest diffs were found. These are ignored, as they are noisy.

Test dashboard

Run

cargo run --manifest-path src/ci/citool/Cargo.toml -- \
    test-dashboard bf6b5b9dedd3e95a2867555e3d780fc3ece11ff6 --output-dir test-dashboard

And then open test-dashboard/index.html in your browser to see an overview of all executed tests.

Job duration changes

1. dist-apple-various: 3575.4s -> 4637.2s (+29.7%)
2. x86_64-gnu-gcc: 2770.4s -> 3492.2s (+26.1%)
3. dist-aarch64-apple: 6358.0s -> 7415.9s (+16.6%)
4. i686-gnu-nopt-1: 7122.5s -> 8111.1s (+13.9%)
5. test-various: 6779.5s -> 7712.0s (+13.8%)
6. x86_64-gnu-stable: 8158.6s -> 9170.5s (+12.4%)
7. dist-x86_64-apple: 8694.5s -> 7628.1s (-12.3%)
8. aarch64-gnu-llvm-20-2: 2775.3s -> 3112.5s (+12.1%)
9. i686-gnu-2: 5302.3s -> 5899.4s (+11.3%)
10. i686-gnu-1: 7394.5s -> 8219.1s (+11.2%)

How to interpret the job duration changes?

Job durations can vary a lot, based on the actual runner instance
that executed the job, system noise, invalidated caches, etc. The table above is provided
mostly for t-infra members, for simpler debugging of potential CI slow-downs.

[rust-timer]

Finished benchmarking commit (bf6b5b9): comparison URL.

Overall result: ✅ improvements - no action needed

@rustbot label: -perf-regression

Instruction count

Our most reliable metric. Used to determine the overall result above. However, even this metric can be noisy.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	-	-	0
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-0.2%	[-0.2%, -0.2%]	1
All ❌✅ (primary)	-	-	0

Max RSS (memory usage)

Results (primary -0.6%)

A less reliable metric. May be of interest, but not used to determine the overall result above.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	-	-	0
Improvements ✅ (primary)	-0.6%	[-0.6%, -0.6%]	1
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	-0.6%	[-0.6%, -0.6%]	1

Cycles

Results (secondary 0.9%)

A less reliable metric. May be of interest, but not used to determine the overall result above.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	2.4%	[2.3%, 2.5%]	2
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-2.1%	[-2.1%, -2.1%]	1
All ❌✅ (primary)	-	-	0

Binary size

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

Bootstrap: 472.736s -> 473.964s (0.26%)
Artifact size: 390.80 MiB -> 390.78 MiB (-0.00%)