29 lines
1.6 KiB
Plaintext
29 lines
1.6 KiB
Plaintext
error[E0277]: the trait bound `impl FnMut(&mut Self): Allocator` is not satisfied
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--> $DIR/could-not-resolve-issue-121503.rs:6:5
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LL | async fn box_ref_Struct(self: Box<Self, impl FnMut(&mut Self)>) -> &u32 {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Allocator` is not implemented for `impl FnMut(&mut Self)`
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note: required by a bound in `Box`
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--> $SRC_DIR/alloc/src/boxed.rs:LL:COL
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help: consider further restricting this bound
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LL | async fn box_ref_Struct(self: Box<Self, impl FnMut(&mut Self) + std::alloc::Allocator>) -> &u32 {
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| +++++++++++++++++++++++
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error[E0658]: `Box<Struct, impl FnMut(&mut Self)>` cannot be used as the type of `self` without the `arbitrary_self_types` feature
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--> $DIR/could-not-resolve-issue-121503.rs:6:35
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LL | async fn box_ref_Struct(self: Box<Self, impl FnMut(&mut Self)>) -> &u32 {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= note: see issue #44874 <https://github.com/rust-lang/rust/issues/44874> for more information
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= help: add `#![feature(arbitrary_self_types)]` to the crate attributes to enable
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= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
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= help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
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error: aborting due to 2 previous errors
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Some errors have detailed explanations: E0277, E0658.
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For more information about an error, try `rustc --explain E0277`.
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