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error[E0277]: `T` cannot be shared between threads safely
--> $DIR/phantom-auto-trait.rs:21:12
|
LL | fn is_zen<T: Zen>(_: T) {}
| --- required by this bound in `is_zen`
...
LL | is_zen(x)
| ^ `T` cannot be shared between threads safely
|
note: required because of the requirements on the impl of `Zen` for `&T`
--> $DIR/phantom-auto-trait.rs:10:24
|
LL | unsafe impl<'a, T: 'a> Zen for &'a T where T: Sync {}
| ^^^ ^^^^^
= note: required because it appears within the type `PhantomData<&T>`
note: required because it appears within the type `Guard<'_, T>`
--> $DIR/phantom-auto-trait.rs:12:8
|
LL | struct Guard<'a, T: 'a> {
| ^^^^^
help: consider restricting type parameter `T`
|
LL | fn not_sync<T: std::marker::Sync>(x: Guard<T>) {
| ^^^^^^^^^^^^^^^^^^^
error[E0277]: `T` cannot be shared between threads safely
--> $DIR/phantom-auto-trait.rs:26:12
|
LL | fn is_zen<T: Zen>(_: T) {}
| --- required by this bound in `is_zen`
...
LL | is_zen(x)
| ^ `T` cannot be shared between threads safely
|
note: required because of the requirements on the impl of `Zen` for `&T`
--> $DIR/phantom-auto-trait.rs:10:24
|
LL | unsafe impl<'a, T: 'a> Zen for &'a T where T: Sync {}
| ^^^ ^^^^^
= note: required because it appears within the type `PhantomData<&T>`
note: required because it appears within the type `Guard<'_, T>`
--> $DIR/phantom-auto-trait.rs:12:8
|
LL | struct Guard<'a, T: 'a> {
| ^^^^^
note: required because it appears within the type `Nested<Guard<'_, T>>`
--> $DIR/phantom-auto-trait.rs:16:8
|
LL | struct Nested<T>(T);
| ^^^^^^
help: consider restricting type parameter `T`
|
LL | fn nested_not_sync<T: std::marker::Sync>(x: Nested<Guard<T>>) {
| ^^^^^^^^^^^^^^^^^^^
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0277`.
|
