mirror of https://github.com/rust-lang/rust
51 lines
1.9 KiB
Plaintext
51 lines
1.9 KiB
Plaintext
error: coroutine cannot be sent between threads safely
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--> $DIR/ref-upvar-not-send.rs:15:30
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LL | assert_send(#[coroutine] move || {
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| ______________________________^
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LL | |
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LL | |
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LL | | yield;
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LL | | let _x = x;
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LL | | });
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| |_____^ coroutine is not `Send`
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= help: the trait `Sync` is not implemented for `*mut ()`, which is required by `{coroutine@$DIR/ref-upvar-not-send.rs:15:30: 15:37}: Send`
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note: captured value is not `Send` because `&` references cannot be sent unless their referent is `Sync`
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--> $DIR/ref-upvar-not-send.rs:19:18
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LL | let _x = x;
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| ^ has type `&*mut ()` which is not `Send`, because `*mut ()` is not `Sync`
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note: required by a bound in `assert_send`
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--> $DIR/ref-upvar-not-send.rs:6:19
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LL | fn assert_send<T: Send>(_: T) {}
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| ^^^^ required by this bound in `assert_send`
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error: coroutine cannot be sent between threads safely
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--> $DIR/ref-upvar-not-send.rs:23:30
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LL | assert_send(#[coroutine] move || {
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| ______________________________^
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LL | |
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LL | |
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LL | | yield;
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LL | | let _y = y;
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LL | | });
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| |_____^ coroutine is not `Send`
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= help: within `{coroutine@$DIR/ref-upvar-not-send.rs:23:30: 23:37}`, the trait `Send` is not implemented for `*mut ()`, which is required by `{coroutine@$DIR/ref-upvar-not-send.rs:23:30: 23:37}: Send`
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note: captured value is not `Send` because `&mut` references cannot be sent unless their referent is `Send`
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--> $DIR/ref-upvar-not-send.rs:27:18
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LL | let _y = y;
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| ^ has type `&mut *mut ()` which is not `Send`, because `*mut ()` is not `Send`
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note: required by a bound in `assert_send`
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--> $DIR/ref-upvar-not-send.rs:6:19
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LL | fn assert_send<T: Send>(_: T) {}
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| ^^^^ required by this bound in `assert_send`
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error: aborting due to 2 previous errors
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