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Note: Please start a thread in #t-release on Zulip if you're interested in helping with Crater triage. We want to coordinate any assistance ahead of time. Thanks!
🎉 Experiment beta-1.98-1 is completed!
📊 535 regressed and 409 fixed (1013799 total)
📊 18054 spurious results on the retry-regressed-list.txt, consider a retry1 if this is a significant amount.
📰 Open the summary report.
206 crates in the rustdoc crater run (all crates under "build failed (unknown)" except for sharky-arrayvec) were seemingly affected by #158686. This bug was fixed in #158751 and backported in #159072. So, I'm queueing up a new rustdoc crater run, but with a newer beta version, to make sure that the regressions were actually fixed.
🎉 Experiment beta-rustdoc-1.98-4 is completed!
📊 114 regressed and 0 fixed (961 total)
📊 445 spurious results on the retry-regressed-list.txt, consider a retry1 if this is a significant amount.
📰 Open the summary report.
Triaging the crater run is now finished. Triaging the regressions from the crater run has also almost finished, with the only exception being finding an MCVE for #159476.
Activity
Mark-Simulacrum commentedon Jul 7, 2026
@craterbot run name=beta-1.98-1 start=1.97.0-beta.6 end=1.98.0-beta.1 mode=build-and-test cap-lints=warn p=10
Mark-Simulacrum commentedon Jul 7, 2026
@craterbot run name=beta-rustdoc-1.98-1 start=1.97.0-beta.6 end=1.98.0-beta.1 mode=rustdoc cap-lints=warn p=5
craterbot commentedon Jul 7, 2026
👌 Experiment
beta-1.98-1created 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
craterbot commentedon Jul 7, 2026
👌 Experiment
beta-rustdoc-1.98-1created 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
craterbot commentedon Jul 8, 2026
🚧 Experiment
beta-1.98-1is now runningℹ️ Crater is a tool to run experiments across parts of the Rust ecosystem. Learn more
craterbot commentedon Jul 11, 2026
🚧 Experiment
beta-rustdoc-1.98-1is now runningℹ️ Crater is a tool to run experiments across parts of the Rust ecosystem. Learn more
craterbot commentedon Jul 12, 2026
🎉 Experiment
beta-1.98-1is completed!📊 535 regressed and 409 fixed (1013799 total)
📊 18054 spurious results on the retry-regressed-list.txt, consider a retry1 if this is a significant amount.
📰 Open the summary report.
ℹ️ Crater is a tool to run experiments across parts of the Rust ecosystem. Learn more
Footnotes
re-run the experiment with
crates=https://crater-reports.s3.amazonaws.com/beta-1.98-1/retry-regressed-list.txt↩theemathas commentedon Jul 12, 2026
@craterbot run name=beta-1.98-2 start=1.97.0-beta.6 end=1.98.0-beta.1 mode=build-and-test cap-lints=warn p=10 crates=https://crater-reports.s3.amazonaws.com/beta-1.98-1/retry-regressed-list.txt
craterbot commentedon Jul 12, 2026
👌 Experiment
beta-1.98-2created 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
45 remaining items
theemathas commentedon Jul 18, 2026
206 crates in the rustdoc crater run (all crates under "build failed (unknown)" except for sharky-arrayvec) were seemingly affected by #158686. This bug was fixed in #158751 and backported in #159072. So, I'm queueing up a new rustdoc crater run, but with a newer beta version, to make sure that the regressions were actually fixed.
@craterbot run name=beta-rustdoc-1.98-4 start=1.97.0-beta.6 end=1.98.0-beta.4 mode=rustdoc cap-lints=warn p=5 crates=https://crater-reports.s3.amazonaws.com/beta-rustdoc-1.98-3/retry-regressed-list.txt
craterbot commentedon Jul 18, 2026
👌 Experiment
beta-rustdoc-1.98-4created 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
craterbot commentedon Jul 19, 2026
🚧 Experiment
beta-rustdoc-1.98-4is now runningℹ️ Crater is a tool to run experiments across parts of the Rust ecosystem. Learn more
craterbot commentedon Jul 19, 2026
🎉 Experiment
beta-rustdoc-1.98-4is completed!📊 114 regressed and 0 fixed (961 total)
📊 445 spurious results on the retry-regressed-list.txt, consider a retry1 if this is a significant amount.
📰 Open the summary report.
ℹ️ Crater is a tool to run experiments across parts of the Rust ecosystem. Learn more
Footnotes
re-run the experiment with
crates=https://crater-reports.s3.amazonaws.com/beta-rustdoc-1.98-4/retry-regressed-list.txt↩theemathas commentedon Jul 20, 2026
The above rustdoc run confirms that the #158686 regression was the cause of the many regressions in prior runs, and therefore has now been fixed.
theemathas commentedon Jul 20, 2026
Triaging the crater run is now finished. Triaging the regressions from the crater run has also almost finished, with the only exception being finding an MCVE for #159476.