chore: bump nightly version used in CI #2178
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This requires fixing a few warnings.
carllerche
commented
Jan 27, 2020
| @@ -14,6 +14,9 @@ | |||
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| //! Macros for use with Tokio | |||
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| // This `extern` is required for older `rustc` versions but newer `rustc` | |||
| // versions warn about the unused `extern crate`. | |||
| #[allow(unused_extern_crates)] | |||
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I'm not 100% sure if this is the best strategy, but the extern crate proc_macro is required in Rust 1.40 but not on nightly.
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This looks like the most reasonable way around it. For reference, it was changed in cargo in rust-lang/cargo#7700.
jebrosen
approved these changes
Jan 27, 2020
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This requires fixing a few warnings.