mirror of https://github.com/rust-lang/rust
69 lines
2.4 KiB
Plaintext
69 lines
2.4 KiB
Plaintext
error[E0277]: `T` cannot be shared between threads safely
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--> $DIR/phantom-auto-trait.rs:21:12
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LL | is_zen(x)
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| ------ ^ `T` cannot be shared between threads safely
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| |
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| required by a bound introduced by this call
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note: required for `&T` to implement `Zen`
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--> $DIR/phantom-auto-trait.rs:10:24
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LL | unsafe impl<'a, T: 'a> Zen for &'a T where T: Sync {}
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| ^^^ ^^^^^ ---- unsatisfied trait bound introduced here
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note: required because it appears within the type `PhantomData<&T>`
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--> $SRC_DIR/core/src/marker.rs:LL:COL
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note: required because it appears within the type `Guard<'_, T>`
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--> $DIR/phantom-auto-trait.rs:12:8
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LL | struct Guard<'a, T: 'a> {
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| ^^^^^
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note: required by a bound in `is_zen`
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--> $DIR/phantom-auto-trait.rs:18:14
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LL | fn is_zen<T: Zen>(_: T) {}
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| ^^^ required by this bound in `is_zen`
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help: consider restricting type parameter `T`
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LL | fn not_sync<T: std::marker::Sync>(x: Guard<T>) {
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| +++++++++++++++++++
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error[E0277]: `T` cannot be shared between threads safely
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--> $DIR/phantom-auto-trait.rs:26:12
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LL | is_zen(x)
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| ------ ^ `T` cannot be shared between threads safely
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| |
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| required by a bound introduced by this call
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note: required for `&T` to implement `Zen`
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--> $DIR/phantom-auto-trait.rs:10:24
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LL | unsafe impl<'a, T: 'a> Zen for &'a T where T: Sync {}
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| ^^^ ^^^^^ ---- unsatisfied trait bound introduced here
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note: required because it appears within the type `PhantomData<&T>`
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--> $SRC_DIR/core/src/marker.rs:LL:COL
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note: required because it appears within the type `Guard<'_, T>`
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--> $DIR/phantom-auto-trait.rs:12:8
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LL | struct Guard<'a, T: 'a> {
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| ^^^^^
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note: required because it appears within the type `Nested<Guard<'_, T>>`
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--> $DIR/phantom-auto-trait.rs:16:8
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LL | struct Nested<T>(T);
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| ^^^^^^
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note: required by a bound in `is_zen`
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--> $DIR/phantom-auto-trait.rs:18:14
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LL | fn is_zen<T: Zen>(_: T) {}
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| ^^^ required by this bound in `is_zen`
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help: consider restricting type parameter `T`
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LL | fn nested_not_sync<T: std::marker::Sync>(x: Nested<Guard<T>>) {
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| +++++++++++++++++++
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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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