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error[E0277]: `T` cannot be shared between threads safely
--> $DIR/phantom-oibit.rs:21:12
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LL | fn is_zen<T: Zen>(_: T) {}
| ------ --- required by this bound in `is_zen`
LL |
LL | fn not_sync<T>(x: Guard<T>) {
| - help: consider restricting this bound: `T: std::marker::Sync`
LL | is_zen(x)
| ^ `T` cannot be shared between threads safely
|
= help: the trait `std::marker::Sync` is not implemented for `T`
= note: required because of the requirements on the impl of `Zen` for `&T`
= note: required because it appears within the type `std::marker::PhantomData<&T>`
= note: required because it appears within the type `Guard<'_, T>`
error[E0277]: `T` cannot be shared between threads safely
--> $DIR/phantom-oibit.rs:26:12
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LL | fn is_zen<T: Zen>(_: T) {}
| ------ --- required by this bound in `is_zen`
...
LL | fn nested_not_sync<T>(x: Nested<Guard<T>>) {
| - help: consider restricting this bound: `T: std::marker::Sync`
LL | is_zen(x)
| ^ `T` cannot be shared between threads safely
|
= help: the trait `std::marker::Sync` is not implemented for `T`
= note: required because of the requirements on the impl of `Zen` for `&T`
= note: required because it appears within the type `std::marker::PhantomData<&T>`
= note: required because it appears within the type `Guard<'_, T>`
= note: required because it appears within the type `Nested<Guard<'_, T>>`
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0277`.
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