50e5f90c92
This only applies to builtin derives as I don't think there is a clean way to get the available derives in typeck. Closes #85851
32 lines
1.1 KiB
Plaintext
32 lines
1.1 KiB
Plaintext
error[E0599]: the method `clone` exists for struct `Box<R>`, but its trait bounds were not satisfied
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--> $DIR/unique-pinned-nocopy.rs:12:16
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LL | struct R {
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| -------- doesn't satisfy `R: Clone`
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...
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LL | let _j = i.clone();
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| ^^^^^ method cannot be called on `Box<R>` due to unsatisfied trait bounds
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::: $SRC_DIR/alloc/src/boxed.rs:LL:COL
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LL | / pub struct Box<
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LL | | T: ?Sized,
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LL | | #[unstable(feature = "allocator_api", issue = "32838")] A: Allocator = Global,
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LL | | >(Unique<T>, A);
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| |________________- doesn't satisfy `Box<R>: Clone`
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= note: the following trait bounds were not satisfied:
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`R: Clone`
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which is required by `Box<R>: Clone`
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= help: items from traits can only be used if the trait is implemented and in scope
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= note: the following trait defines an item `clone`, perhaps you need to implement it:
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candidate #1: `Clone`
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help: consider annotating `R` with `#[derive(Clone)]`
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LL | #[derive(Clone)]
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error: aborting due to previous error
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For more information about this error, try `rustc --explain E0599`.
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