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pietroalbini opened this issue Oct 31, 2018 · 48 comments
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Crater runs for beta 1.31 #55540

pietroalbini opened this issue Oct 31, 2018 · 48 comments
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S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-release Relevant to the release subteam, which will review and decide on the PR/issue.

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@pietroalbini
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cc @rust-lang/release
@pietroalbini
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@craterbot run name=beta-1.31-1 start=1.30.0 end=beta-2018-10-30 cap-lints=warn p=1

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👌 Experiment beta-1.31-1 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

@craterbot craterbot added the S-waiting-on-crater Status: Waiting on a crater run to be completed. label Oct 31, 2018
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🚧 Experiment beta-1.31-1 is now running on agent aws-2.

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

@pietroalbini pietroalbini added the T-release Relevant to the release subteam, which will review and decide on the PR/issue. label Oct 31, 2018
@Mark-Simulacrum
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Just as a note this beta is odd since it bootstraps from an older stable than it should I believe

@cuviper
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cuviper commented Oct 31, 2018

The current beta inherited nightly's bootstrap from 1.30-beta (2018-10-13), rather than using 1.30 stable, but that's not much difference. #55550 updates this.

@Mark-Simulacrum
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Yes, it shouldn't have any impact on the crater run but wanted to make that note.

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🎉 Experiment beta-1.31-1 is completed!
📰 Open the full report.

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

@craterbot craterbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. and removed S-waiting-on-crater Status: Waiting on a crater run to be completed. labels Nov 3, 2018
@Mark-Simulacrum
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@craterbot run name=beta-1.31-2 start=1.30.0 end=beta-2018-11-13 cap-lints=warn p=5

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👌 Experiment beta-1.31-2 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

@craterbot craterbot added S-waiting-on-crater Status: Waiting on a crater run to be completed. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Nov 14, 2018
@pietroalbini
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@craterbot start=1.30.1

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📝 Configuration of the beta-1.31-2 experiment changed.

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

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🚧 Experiment beta-1.31-2 is now running on agent aws-1.

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

@pietroalbini
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@craterbot run start=1.30.1 end=beta-2018-11-17 mode=rustdoc cap-lints=warn p=5

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👌 Experiment pr-55540 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

@pietroalbini
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@craterbot abort name=pr-55540

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🗑️ Experiment pr-55540 deleted!

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

@craterbot craterbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. and removed S-waiting-on-crater Status: Waiting on a crater run to be completed. labels Nov 17, 2018
@pietroalbini
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@craterbot run name=beta-1.31-3 start=1.30.1 end=beta-2018-11-17 mode=rustdoc cap-lints=warn p=5

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👌 Experiment beta-1.31-3 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

@craterbot craterbot added S-waiting-on-crater Status: Waiting on a crater run to be completed. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Nov 17, 2018
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🚧 Experiment beta-1.31-3 is now running on agent aws-1.

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

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🎉 Experiment beta-1.31-2 is completed!
📰 Open the full report.

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

@craterbot craterbot added the S-waiting-on-crater Status: Waiting on a crater run to be completed. label Nov 24, 2018
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🚧 Experiment beta-1.31-4 is now running on agent aws-1.

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

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🎉 Experiment beta-1.31-4 is completed!
📰 Open the full report.

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

@craterbot craterbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. and removed S-waiting-on-crater Status: Waiting on a crater run to be completed. labels Nov 27, 2018
@alexcrichton
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I've found two regression in that last report: #56316 and #56317

@pietroalbini
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Last beta run for this cycle!

@craterbot run start=1.30.1 end=master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 mode=build-and-test cap-lints=warn p=5

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👌 Experiment pr-55540 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

@craterbot craterbot added S-waiting-on-crater Status: Waiting on a crater run to be completed. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Nov 30, 2018
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🚧 Experiment pr-55540 is now running on agent aws-2.

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

@pietroalbini
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@craterbot abort

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🗑️ Experiment pr-55540 deleted!

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

@craterbot craterbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. and removed S-waiting-on-crater Status: Waiting on a crater run to be completed. labels Nov 30, 2018
@pietroalbini
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@craterbot run name=beta-1.31-5 start=1.30.1 end=master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 mode=build-and-test cap-lints=warn p=5

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👌 Experiment beta-1.31-5 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

@craterbot craterbot added S-waiting-on-crater Status: Waiting on a crater run to be completed. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Nov 30, 2018
@craterbot
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🚧 Experiment beta-1.31-5 is now running on agent aws-2.

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

@craterbot
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🎉 Experiment beta-1.31-5 is completed!
📰 Open the full report.

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

@craterbot craterbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. and removed S-waiting-on-crater Status: Waiting on a crater run to be completed. labels Dec 3, 2018
@pietroalbini
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No new regression found (thanks @Centril and @alexcrichton for helping triaging the results!).

@nikic
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nikic commented Dec 3, 2018 •
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Scary LLVM assertions:

crushtool:

Dec 03 14:51:48.263 INFO [stderr] rustc: /checkout/src/llvm/lib/IR/Type.cpp:241: static llvm::IntegerType *llvm::IntegerType::get(llvm::LLVMContext &, unsigned int): Assertion `NumBits >= MIN_INT_BITS && "bitwidth too small"' failed.

simdnoise:

Dec 02 16:48:59.627 INFO [stderr] rustc: /checkout/src/llvm/lib/Target/X86/MCTargetDesc/X86MCCodeEmitter.cpp:118: static uint8_t (anonymous namespace)::X86MCCodeEmitter::ModRMByte(unsigned int, unsigned int, unsigned int): Assertion `Mod < 4 && RegOpcode < 8 && RM < 8 && "ModRM Fields out of range!"' failed.

@alexcrichton
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@nikic agreed! Some investigation figured out those weren't regressions though and date back as far as 1.28.0. (we don't have cached builds further back than that for rustc builds linking against an LLVM with assertions enabled) Those two assertions were spawned off into #56482 and #56483

@pietroalbini
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A note for why this is happening: this Crater run did use a start toolchain assertions disabled (1.30.1) and an end toolchain with assertions enabled (the beta commit), so all the llvm assertions caught were marked as regressions.

@nikic
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nikic commented Dec 4, 2018

That's reassuring! I was afraid the LLVM changes in the last batch of beta backports broke something...

Could you please tell me where one can download the rustc alt build used here?

@alexcrichton
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@nikic the easiest way is likely using this crate with the --alt CLI flag

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@cuviper @alexcrichton @nikic @Aaron1011 @pietroalbini @Mark-Simulacrum @craterbot