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E0599 message could be improved for crate version mismatches. #51458
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A-diagnosticsArea: Messages for errors, warnings, and lintsArea: Messages for errors, warnings, and lintsA-trait-systemArea: Trait systemArea: Trait systemC-enhancementCategory: An issue proposing an enhancement or a PR with one.Category: An issue proposing an enhancement or a PR with one.D-crate-version-mismatchDiagnostics: Errors or lints caused be the use of two different crate versions.Diagnostics: Errors or lints caused be the use of two different crate versions.T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.
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A-diagnosticsArea: Messages for errors, warnings, and lintsArea: Messages for errors, warnings, and lintsA-trait-systemArea: Trait systemArea: Trait systemC-enhancementCategory: An issue proposing an enhancement or a PR with one.Category: An issue proposing an enhancement or a PR with one.D-crate-version-mismatchDiagnostics: Errors or lints caused be the use of two different crate versions.Diagnostics: Errors or lints caused be the use of two different crate versions.T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.
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I was working on a project where a dependency used a older version of
embedded-haland my project used a newer version. Because of this when I imported the traitOutputPinand tried to use it I got E0599 with the following message:However, I had imported the trait the issue was down to the versions not matching up. I also heard some other people had encountered the same confusion with some futures code so it seems this could definitely stand to be made more helpful to users.
EDIT: Looks like after googling this is a known issue and there's been work to improve it i.e. #28300 so feel free to close this if there's already an issue for it I missed!