aecab5e603
Incomplete features can also be unsound Some incomplete features do not just ICE, they are also currently unsound (e.g. https://github.com/rust-lang/rust/pull/72029, and also `specialization` -- which is not yet marked incomplete but [should be](https://github.com/rust-lang/rust/pull/71420)). This makes the message reflect that. While at it I also added a link to the tracking issue, which hopefully should explain what is incomplete/unsound about the feature.
23 lines
1.1 KiB
Text
23 lines
1.1 KiB
Text
warning: the feature `const_generics` is incomplete and may not be safe to use and/or cause compiler crashes
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--> $DIR/derive-debug-array-wrapper.rs:1:12
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LL | #![feature(const_generics)]
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| ^^^^^^^^^^^^^^
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= note: `#[warn(incomplete_features)]` on by default
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= note: see issue #44580 <https://github.com/rust-lang/rust/issues/44580> for more information
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error[E0277]: arrays only have std trait implementations for lengths 0..=32
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--> $DIR/derive-debug-array-wrapper.rs:6:5
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LL | a: [u32; N],
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| ^^^^^^^^^^^ the trait `std::array::LengthAtMost32` is not implemented for `[u32; N]`
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= note: required because of the requirements on the impl of `std::fmt::Debug` for `[u32; N]`
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= note: required because of the requirements on the impl of `std::fmt::Debug` for `&[u32; N]`
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= note: required for the cast to the object type `dyn std::fmt::Debug`
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= note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
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error: aborting due to previous error; 1 warning emitted
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For more information about this error, try `rustc --explain E0277`.
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