mirror of https://github.com/rust-lang/rust
68 lines
2.9 KiB
Plaintext
68 lines
2.9 KiB
Plaintext
error[E0277]: the type `&mut Context<'_>` may not be safely transferred across an unwind boundary
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--> $DIR/async-is-unwindsafe.rs:12:5
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LL | is_unwindsafe(async {
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| _____^_____________-
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| |_____|
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| ||
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LL | ||
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LL | ||
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LL | || use std::ptr::null;
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... ||
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LL | || drop(cx_ref);
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LL | || });
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| ||_____-^ `&mut Context<'_>` may not be safely transferred across an unwind boundary
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| |_____|
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| within this `{async block@$DIR/async-is-unwindsafe.rs:12:19: 30:6}`
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= help: within `{async block@$DIR/async-is-unwindsafe.rs:12:19: 30:6}`, the trait `UnwindSafe` is not implemented for `&mut Context<'_>`, which is required by `{async block@$DIR/async-is-unwindsafe.rs:12:19: 30:6}: UnwindSafe`
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note: future does not implement `UnwindSafe` as this value is used across an await
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--> $DIR/async-is-unwindsafe.rs:26:18
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LL | let cx_ref = &mut cx;
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| ------ has type `&mut Context<'_>` which does not implement `UnwindSafe`
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LL |
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LL | async {}.await; // this needs an inner await point
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| ^^^^^ await occurs here, with `cx_ref` maybe used later
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note: required by a bound in `is_unwindsafe`
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--> $DIR/async-is-unwindsafe.rs:3:26
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LL | fn is_unwindsafe(_: impl std::panic::UnwindSafe) {}
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| ^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_unwindsafe`
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error[E0277]: the type `&mut (dyn Any + 'static)` may not be safely transferred across an unwind boundary
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--> $DIR/async-is-unwindsafe.rs:12:5
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LL | is_unwindsafe(async {
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| _____^_____________-
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| |_____|
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| ||
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LL | ||
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LL | ||
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LL | || use std::ptr::null;
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... ||
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LL | || drop(cx_ref);
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LL | || });
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| ||_____-^ `&mut (dyn Any + 'static)` may not be safely transferred across an unwind boundary
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| |_____|
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| within this `{async block@$DIR/async-is-unwindsafe.rs:12:19: 30:6}`
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= help: within `{async block@$DIR/async-is-unwindsafe.rs:12:19: 30:6}`, the trait `UnwindSafe` is not implemented for `&mut (dyn Any + 'static)`, which is required by `{async block@$DIR/async-is-unwindsafe.rs:12:19: 30:6}: UnwindSafe`
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note: future does not implement `UnwindSafe` as this value is used across an await
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--> $DIR/async-is-unwindsafe.rs:26:18
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LL | let mut cx = Context::from_waker(&waker);
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| ------ has type `Context<'_>` which does not implement `UnwindSafe`
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...
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LL | async {}.await; // this needs an inner await point
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| ^^^^^ await occurs here, with `mut cx` maybe used later
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note: required by a bound in `is_unwindsafe`
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--> $DIR/async-is-unwindsafe.rs:3:26
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LL | fn is_unwindsafe(_: impl std::panic::UnwindSafe) {}
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| ^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_unwindsafe`
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error: aborting due to 2 previous errors
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For more information about this error, try `rustc --explain E0277`.
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