Deny `wasm_c_abi` lint to nudge the last 25% #129534

workingjubilee · 2024-08-24T22:40:46Z

This shouldn't affect projects indirectly depending on wasm-bindgen because cargo passes --cap-lints=allow when building dependencies.

The motivation is that the ecosystem has mostly taken up the versions of wasm-bindgen that are compatible in general, but ~25% or so of recent downloads remain on lower versions. However, this change might still be unnecessarily disruptive. I mostly propose it as a discussion point.

rustbot · 2024-08-24T22:40:53Z

r? @davidtwco

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workingjubilee · 2024-08-24T22:41:55Z

cc @daxpedda Thoughts?

daxpedda

I was considering opening a stabilization PR soon, but I think doing this first is a good idea.

alexcrichton · 2024-08-26T21:37:53Z

@bors: r=daxpedda,me

bors · 2024-08-26T21:37:56Z

📌 Commit af05882 has been approved by daxpedda,me

It is now in the queue for this repository.

bjorn3 · 2024-08-26T21:44:37Z

Shouldn't it be r=daxpedda,alexcrichton?

alexcrichton · 2024-08-26T21:46:20Z

@bors: r-

alexcrichton · 2024-08-26T21:46:39Z

@bors: r=daxpedda,alexcrichton

I am clearly a bors pro

bors · 2024-08-26T21:46:41Z

📌 Commit af05882 has been approved by daxpedda,alexcrichton

It is now in the queue for this repository.

…fcw-to-deny, r=daxpedda,alexcrichton Deny `wasm_c_abi` lint to nudge the last 25% This shouldn't affect projects indirectly depending on wasm-bindgen because cargo passes `--cap-lints=allow` when building dependencies. The motivation is that the ecosystem has mostly taken up the versions of wasm-bindgen that are compatible in general, but ~25% or so of recent downloads remain on lower versions. However, this change might still be unnecessarily disruptive. I mostly propose it as a discussion point.

…kingjubilee Rollup of 9 pull requests Successful merges: - rust-lang#120221 (Don't make statement nonterminals match pattern nonterminals) - rust-lang#127912 (std: make `thread::current` available in all `thread_local!` destructors) - rust-lang#128166 (Improved `checked_isqrt` and `isqrt` methods) - rust-lang#129123 (rustdoc-json: Add test for `Self` type) - rust-lang#129366 (linker: Synchronize native library search in rustc and linker) - rust-lang#129527 (Don't use `TyKind` in a lint) - rust-lang#129534 (Deny `wasm_c_abi` lint to nudge the last 25%) - rust-lang#129640 (Re-enable android tests/benches in alloc/core) - rust-lang#129675 (allow BufReader::peek to be called on unsized types) r? `@ghost` `@rustbot` modify labels: rollup

…fcw-to-deny, r=daxpedda,alexcrichton Deny `wasm_c_abi` lint to nudge the last 25% This shouldn't affect projects indirectly depending on wasm-bindgen because cargo passes `--cap-lints=allow` when building dependencies. The motivation is that the ecosystem has mostly taken up the versions of wasm-bindgen that are compatible in general, but ~25% or so of recent downloads remain on lower versions. However, this change might still be unnecessarily disruptive. I mostly propose it as a discussion point.

…kingjubilee Rollup of 8 pull requests Successful merges: - rust-lang#120221 (Don't make statement nonterminals match pattern nonterminals) - rust-lang#129123 (rustdoc-json: Add test for `Self` type) - rust-lang#129366 (linker: Synchronize native library search in rustc and linker) - rust-lang#129527 (Don't use `TyKind` in a lint) - rust-lang#129534 (Deny `wasm_c_abi` lint to nudge the last 25%) - rust-lang#129640 (Re-enable android tests/benches in alloc/core) - rust-lang#129675 (allow BufReader::peek to be called on unsized types) - rust-lang#129731 (Allow running `./x.py test compiler`) r? `@ghost` `@rustbot` modify labels: rollup

…fcw-to-deny, r=daxpedda,alexcrichton Deny `wasm_c_abi` lint to nudge the last 25% This shouldn't affect projects indirectly depending on wasm-bindgen because cargo passes `--cap-lints=allow` when building dependencies. The motivation is that the ecosystem has mostly taken up the versions of wasm-bindgen that are compatible in general, but ~25% or so of recent downloads remain on lower versions. However, this change might still be unnecessarily disruptive. I mostly propose it as a discussion point.

…kingjubilee Rollup of 8 pull requests Successful merges: - rust-lang#126183 (Separate core search logic with search ui) - rust-lang#129366 (linker: Synchronize native library search in rustc and linker) - rust-lang#129403 (Ban non-array SIMD) - rust-lang#129527 (Don't use `TyKind` in a lint) - rust-lang#129534 (Deny `wasm_c_abi` lint to nudge the last 25%) - rust-lang#129640 (Re-enable android tests/benches in alloc/core) - rust-lang#129731 (Allow running `./x.py test compiler`) - rust-lang#129754 (wasi: Fix sleeping for `Duration::MAX`) r? `@ghost` `@rustbot` modify labels: rollup

…fcw-to-deny, r=daxpedda,alexcrichton Deny `wasm_c_abi` lint to nudge the last 25% This shouldn't affect projects indirectly depending on wasm-bindgen because cargo passes `--cap-lints=allow` when building dependencies. The motivation is that the ecosystem has mostly taken up the versions of wasm-bindgen that are compatible in general, but ~25% or so of recent downloads remain on lower versions. However, this change might still be unnecessarily disruptive. I mostly propose it as a discussion point.

…iaskrgr Rollup of 15 pull requests Successful merges: - rust-lang#120221 (Don't make statement nonterminals match pattern nonterminals) - rust-lang#126183 (Separate core search logic with search ui) - rust-lang#129123 (rustdoc-json: Add test for `Self` type) - rust-lang#129366 (linker: Synchronize native library search in rustc and linker) - rust-lang#129527 (Don't use `TyKind` in a lint) - rust-lang#129534 (Deny `wasm_c_abi` lint to nudge the last 25%) - rust-lang#129640 (Re-enable android tests/benches in alloc/core) - rust-lang#129642 (Bump backtrace to 0.3.74~ish) - rust-lang#129675 (allow BufReader::peek to be called on unsized types) - rust-lang#129723 (Simplify some extern providers) - rust-lang#129724 (Remove `Option<!>` return types.) - rust-lang#129725 (Stop using `ty::GenericPredicates` for non-predicates_of queries) - rust-lang#129731 (Allow running `./x.py test compiler`) - rust-lang#129751 (interpret/visitor: make memory order iteration slightly more efficient) - rust-lang#129754 (wasi: Fix sleeping for `Duration::MAX`) r? `@ghost` `@rustbot` modify labels: rollup

Rollup merge of rust-lang#129534 - workingjubilee:ratchet-wasm-c-abi-fcw-to-deny, r=daxpedda,alexcrichton Deny `wasm_c_abi` lint to nudge the last 25% This shouldn't affect projects indirectly depending on wasm-bindgen because cargo passes `--cap-lints=allow` when building dependencies. The motivation is that the ecosystem has mostly taken up the versions of wasm-bindgen that are compatible in general, but ~25% or so of recent downloads remain on lower versions. However, this change might still be unnecessarily disruptive. I mostly propose it as a discussion point.

lqd · 2024-10-02T10:42:07Z

This shouldn't affect projects indirectly depending on wasm-bindgen because cargo passes --cap-lints=allow when building dependencies.

IIRC this lint opts out of this by being a "report in deps" FCW, right?

workingjubilee · 2024-10-03T04:06:53Z

hm. perhaps I misunderstood something then about the interactions here?

daxpedda · 2024-10-03T09:04:32Z

I played around with this a bit, but I couldn't actually see any difference between deny and warning no matter if the dependency is direct or indirect, they all end up as FCW warnings. But compiling old versions of wasm-bindgen directly does trigger a deny lint.

So this change only affects compiling wasm-bindgen directly, but not as a dependency, ergo unfortunately this PR doesn't do anything practically useful :/

I assume this needs a change in Cargo as well to work as intended?
https://github.com/rust-lang/cargo/blob/8725e78484d62c4dd0ef22bb64fb22e4af2f4a1c/src/cargo/core/compiler/future_incompat.rs#L421

workingjubilee · 2024-10-03T19:09:21Z

...well, at least it doesn't break anyone! 🫠

bjorn3 · 2024-10-03T20:17:43Z

Isn't the code that has the ABI incompatibility produced by macro expansion of #[wasm_bindgen] inside the user crate? So it would warn for every user of an old version of wasm_bindgen, but be silenced when the user of wasm_bindgen is itself a non-local dependency.

… r=workingjubilee Make the wasm_c_abi future compat warning a hard error This is the next step in getting rid of the broken C abi for wasm32-unknown-unknown. The lint was made deny-by-default in rust-lang#129534 3 months ago. This still keeps the `-Zwasm-c-abi` flag set to `legacy` by default. It will be flipped in a future PR. cc rust-lang#122532

Rollup merge of rust-lang#133951 - bjorn3:wasm_c_abi_lint_hard_error, r=workingjubilee Make the wasm_c_abi future compat warning a hard error This is the next step in getting rid of the broken C abi for wasm32-unknown-unknown. The lint was made deny-by-default in rust-lang#129534 3 months ago. This still keeps the `-Zwasm-c-abi` flag set to `legacy` by default. It will be flipped in a future PR. cc rust-lang#122532

Deny wasm_c_abi lint to nudge the last 25%

af05882

This shouldn't affect projects indirectly depending on wasm-bindgen because cargo passes `--cap-lints=allow` when building dependencies.

rustbot assigned davidtwco Aug 24, 2024

rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels Aug 24, 2024

daxpedda approved these changes Aug 24, 2024

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workingjubilee mentioned this pull request Aug 24, 2024

Tracking Issue for perma-unstable wasm-c-abi flag #122532

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workingjubilee mentioned this pull request Aug 29, 2024

Rollup of 6 pull requests #129728

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Rollup of 9 pull requests #129729

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Rollup of 8 pull requests #129735

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Rollup of 8 pull requests #129773

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Rollup of 17 pull requests #129807

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Rollup of 15 pull requests #129809

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bors merged commit 8f35a4f into rust-lang:master Aug 31, 2024
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Mark-Simulacrum added the relnotes Marks issues that should be documented in the release notes of the next release. label Oct 2, 2024

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Tracking issue for release notes of #129534: Deny wasm_c_abi lint to nudge the last 25% #131132

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workingjubilee deleted the ratchet-wasm-c-abi-fcw-to-deny branch October 2, 2024 04:12

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Make the wasm_c_abi future compat warning a hard error #133951

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Deny `wasm_c_abi` lint to nudge the last 25% #129534

Deny `wasm_c_abi` lint to nudge the last 25% #129534

workingjubilee commented Aug 24, 2024

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daxpedda commented Oct 3, 2024 •

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bjorn3 commented Oct 3, 2024

Deny wasm_c_abi lint to nudge the last 25% #129534

Deny wasm_c_abi lint to nudge the last 25% #129534

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bjorn3 commented Oct 3, 2024

Deny `wasm_c_abi` lint to nudge the last 25% #129534

Deny `wasm_c_abi` lint to nudge the last 25% #129534

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