54 lines
2.0 KiB
Plaintext
54 lines
2.0 KiB
Plaintext
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warning: trait objects without an explicit `dyn` are deprecated
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--> $DIR/import-after-macro-expand-4.rs:12:22
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LL | pub struct S(Vec<P>);
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| ^
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= warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
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= note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
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= note: `#[warn(bare_trait_objects)]` on by default
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help: use `dyn`
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LL | pub struct S(Vec<dyn P>);
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warning: trait objects without an explicit `dyn` are deprecated
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--> $DIR/import-after-macro-expand-4.rs:12:22
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LL | pub struct S(Vec<P>);
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| ^
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= warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
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= note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
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help: use `dyn`
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LL | pub struct S(Vec<dyn P>);
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| +++
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warning: trait objects without an explicit `dyn` are deprecated
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--> $DIR/import-after-macro-expand-4.rs:12:22
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LL | pub struct S(Vec<P>);
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| ^
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= warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
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= note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
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help: use `dyn`
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LL | pub struct S(Vec<dyn P>);
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error[E0277]: the size for values of type `(dyn a::P + 'static)` cannot be known at compilation time
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--> $DIR/import-after-macro-expand-4.rs:12:18
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LL | pub struct S(Vec<P>);
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| ^^^^^^ doesn't have a size known at compile-time
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= help: the trait `Sized` is not implemented for `(dyn a::P + 'static)`
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note: required by a bound in `Vec`
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--> $SRC_DIR/alloc/src/vec/mod.rs:LL:COL
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error: aborting due to previous error; 3 warnings emitted
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For more information about this error, try `rustc --explain E0277`.
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