2019-10-06 17:14:34 -05:00
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error: future cannot be shared between threads safely
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--> $DIR/issue-64130-1-sync.rs:21:5
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LL | fn is_sync<T: Sync>(t: T) { }
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2020-04-06 00:15:06 -05:00
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| ---- required by this bound in `is_sync`
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2019-10-06 17:14:34 -05:00
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...
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LL | is_sync(bar());
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| ^^^^^^^ future returned by `bar` is not `Sync`
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= help: within `impl std::future::Future`, the trait `std::marker::Sync` is not implemented for `Foo`
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note: future is not `Sync` as this value is used across an await
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--> $DIR/issue-64130-1-sync.rs:15:5
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LL | let x = Foo;
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| - has type `Foo`
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LL | baz().await;
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| ^^^^^^^^^^^ await occurs here, with `x` maybe used later
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LL | }
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| - `x` is later dropped here
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error: aborting due to previous error
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