Don't tell users to use a nightly flag on the stable channel#84055
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bors merged 1 commit intorust-lang:masterfrom Apr 10, 2021
Merged
Don't tell users to use a nightly flag on the stable channel#84055bors merged 1 commit intorust-lang:masterfrom
bors merged 1 commit intorust-lang:masterfrom
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Hint upgrading to a newer Rust version instead
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@bors r+ |
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📌 Commit 40af086 has been approved by |
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When a crate requires a newer edition, currently rustc tells users to use
-Z unstable-options. This is not ideal, because:This flag doesn't work on the stable channel, so solution to one error only causes another error, which is frustrating.
Directs users towards the nightly channel, which is not necessarily the correct solution. Once the next edition is released, this message will be mostly seen by users of out-of-date stable Rust versions who merely need to update their Rust to the latest stable.