Crater run with -Zrandomize-layout #132292

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1. saethlin

   self-assigned this

   on Oct 28, 2024
2. rustbot

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   needs-triageThis issue may need triage. Remove when done. See docs forge.rust-lang.org/release/issue-triagingThis issue may need triage. Remove when done. See docs forge.rust-lang.org/release/issue-triaging

   on Oct 28, 2024
3. saethlin commented on Oct 28, 2024

   

   saethlin

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   @craterbot run mode=build-and-test start=stable end=stable+rustflags=-Zrandomize-layout
4. craterbot commented on Oct 28, 2024

   

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   👌 Experiment pr-132292 created and queued.
   🔍 You can check out the queue and this experiment's details.

   ℹ️ Crater is a tool to run experiments across parts of the Rust ecosystem. Learn more
5. craterbot

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   S-waiting-on-craterStatus: Waiting on a crater run to be completed.Status: Waiting on a crater run to be completed.

   on Oct 28, 2024
6. saethlin

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   needs-triageThis issue may need triage. Remove when done. See docs forge.rust-lang.org/release/issue-triagingThis issue may need triage. Remove when done. See docs forge.rust-lang.org/release/issue-triaging

   on Oct 28, 2024
7. fmease

   added

   -Zrandomize-layoutUnstable option: Randomize the layout of types.Unstable option: Randomize the layout of types.

   on Oct 28, 2024
8. Noratrieb commented on Oct 29, 2024

   

   Noratrieb

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   does crater make unstable flags on stable work?
9. saethlin commented on Oct 29, 2024

   

   saethlin

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   I bet no
   @craterbot abort

   😄React with 😄2Reacted by nora and Alisa Sireneva
10. craterbot commented on Oct 29, 2024

    

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    🗑️ Experiment pr-132292 deleted!

    ℹ️ Crater is a tool to run experiments across parts of the Rust ecosystem. Learn more
11. craterbot

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    S-waiting-on-craterStatus: Waiting on a crater run to be completed.Status: Waiting on a crater run to be completed.

    on Oct 29, 2024
12. saethlin commented on Oct 29, 2024

    

    saethlin

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    @craterbot run name=randomize-layout mode=build-and-test start=nightly-2024-10-28 end=nightly-2024-10-28+rustflags=-Zrandomize-layout
13. craterbot commented on Oct 29, 2024

    

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    👌 Experiment randomize-layout created and queued.
    🔍 You can check out the queue and this experiment's details.

    ℹ️ Crater is a tool to run experiments across parts of the Rust ecosystem. Learn more
14. craterbot

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    on Oct 29, 2024
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16. craterbot commented on Jan 20, 2025

    

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    🚧 Experiment randomize-layout-2 is now running

    ℹ️ Crater is a tool to run experiments across parts of the Rust ecosystem. Learn more
17. craterbot commented on Jan 21, 2025

    

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    🎉 Experiment randomize-layout-2 is completed!
    📊 505 regressed and 136 fixed (570539 total)
    📰 Open the full report.

    ⚠️ If you notice any spurious failure please add them to the denylist!
    ℹ️ Crater is a tool to run experiments across parts of the Rust ecosystem. Learn more
18. craterbot

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    on Jan 21, 2025
19. saethlin commented on Jan 21, 2025

    

    saethlin

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    @craterbot run name=randomize-layout-3 mode=build-and-test start=nightly-2025-01-18 end=nightly-2025-01-18+rustflags=-Zrandomize-layout crates=https://crater-reports.s3.amazonaws.com/randomize-layout-2/retry-regressed-list.txt
20. craterbot commented on Jan 21, 2025

    

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    👌 Experiment randomize-layout-3 created and queued.
    🔍 You can check out the queue and this experiment's details.

    ℹ️ Crater is a tool to run experiments across parts of the Rust ecosystem. Learn more
21. craterbot

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    on Jan 21, 2025
22. craterbot commented on Jan 21, 2025

    

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    🚧 Experiment randomize-layout-3 is now running

    ℹ️ Crater is a tool to run experiments across parts of the Rust ecosystem. Learn more
23. craterbot commented on Jan 21, 2025

    

    craterbot

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    🎉 Experiment randomize-layout-3 is completed!
    📊 335 regressed and 15 fixed (3628 total)
    📰 Open the full report.

    ⚠️ If you notice any spurious failure please add them to the denylist!
    ℹ️ Crater is a tool to run experiments across parts of the Rust ecosystem. Learn more
24. craterbot

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    and removed

    S-waiting-on-craterStatus: Waiting on a crater run to be completed.Status: Waiting on a crater run to be completed.

    on Jan 21, 2025
25. saethlin commented on Jan 21, 2025

    

    saethlin

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    At a glance, numbers look the same as #132292 (comment) within noise.
26. the8472 commented on Jan 21, 2025

    

    the8472

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    Didn't that only rerun the ones that already regressed? I'd expect more regressions, not fewer.
27. saethlin commented on Jan 21, 2025

    

    saethlin

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    No. randomize-layout-2 is a fresh run, and randomize-layout-3 is a re-run of the recent regressions list.

    Crater spuriously reports a lot of improvements and regressions, so unless you want to fish through all of its results by hand, re-running the regressions from a run is the only way to get a small report.