Whenever I try to use Bencherfrom the test crate, my IDE reports an error for the not existing crate test. The Code snippet is (the allow clause proved to be useless, #[cfg(test)] is required for not getting a warning in regular builds) // required for `Bencher`, see https://doc.rust-lang.org/unst…

This is a known bug in rust-analyzer: https://github.com/rust-analyzer/rust-analyzer/issues/6714 To disable the diagnostic, you can check the manual chapter here: User Manual

VSCode with rust-analyzer reports error for usage of Bencher

help

fyl2xp1 January 21, 2021, 9:03pm 4

Workaround: go to workspace settings (Ctrl + ,) and add unresolved-extern-crate to analyzer.diagnostics.disabled

That fixed it for me for the time being.

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VSCode with rust-analyzer reports error for usage of Bencher

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