Tokio does not work on wasm32-unknown-unknown as of rustc 1.82
#6910
Comments
mox692
added
E-help-wanted
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cc @dicej any ideas? |
Darksonn
changed the title
wasm32-unknown-unknown is failingwasm32-unknown-unknown as of rustc 1.82
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Reopening. Just because we pinned CI to avoid the failure does not mean the problem is fixed. |
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I don't have much experience with
I'll ask around and see if anyone else has ideas. |
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Rust 1.82 includes new wasm features, which I suspect are not yet handled correctly by |
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Is there an issue in wasm-bindgen I can follow? |
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My best guess as to what's happening is this comment where Updating to Node 20.* makes the tests pass, so I think that what y'all are running into here is a Node 18-specific bug due to the Rust 1.82 change of upgrading to LLVM 19 which is enabling I believe possible mitigations of this are one of:
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There is an incompatibility with the version of Node available on our test runners and wasm32 in Rust 1.82 (#3123). To unblock the CI, this change pins Rust to 1.81 for the tests using the `wasm32-unknown-unknown` target. This is the same strategy used in Tokio to mitigate tokio-rs/tokio#6910 until a more permanent fix can be put in place. This change also bumps the MSRV on the `tracing-examples` crate from 1.63.0 to 1.64.0 to avoid triggering a lint about the MSRV after a change in Tokio 1.41.0 which bumps the required Rust version for the `try_join!` macro. The Tokio MSRV is 1.70 now, so needing this bump for the examples seems reasonable.
There is an incompatibility with the version of Node available on our test runners and wasm32 in Rust 1.82 (#3123). To unblock the CI, this change pins Rust to 1.81 for the tests using the `wasm32-unknown-unknown` target. This is the same strategy used in Tokio to mitigate tokio-rs/tokio#6910 until a more permanent fix can be put in place. This change also bumps the MSRV on the `tracing-examples` crate from 1.63.0 to 1.64.0 to avoid triggering a lint about the MSRV after a change in Tokio 1.41.0 which bumps the required Rust version for the `try_join!` macro. The Tokio MSRV is 1.70 now, so needing this bump for the examples seems reasonable.
There is an incompatibility with the version of Node available on our test runners and wasm32 in Rust 1.82 (#3123). To unblock the CI, this change pins Rust to 1.81 for the tests using the `wasm32-unknown-unknown` target. This is the same strategy used in Tokio to mitigate tokio-rs/tokio#6910 until a more permanent fix can be put in place. This change also bumps the MSRV on the `tracing-examples` crate from 1.63.0 to 1.64.0 to avoid triggering a lint about the MSRV after a change in Tokio 1.41.0 which bumps the required Rust version for the `try_join!` macro. The Tokio MSRV is 1.70 now, so needing this bump for the examples seems reasonable.
Now we are seeing the test
wasm32-unknown-unknownhas started to fail.For instance: https://github.com/tokio-rs/tokio/actions/runs/11397298361/job/31712563964#logs
Click to see the failure
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