| error[E0277]: `*mut (dyn std::ops::Fn() + 'static)` cannot be shared between threads safely |
| --> $DIR/send-sync.rs:8:5 |
| | |
| LL | send(format_args!("{:?}", c)); |
| | ^^^^ `*mut (dyn std::ops::Fn() + 'static)` cannot be shared between threads safely |
| | |
| = help: within `[std::fmt::ArgumentV1<'_>]`, the trait `std::marker::Sync` is not implemented for `*mut (dyn std::ops::Fn() + 'static)` |
| = note: required because it appears within the type `std::marker::PhantomData<*mut (dyn std::ops::Fn() + 'static)>` |
| = note: required because it appears within the type `core::fmt::Void` |
| = note: required because it appears within the type `&core::fmt::Void` |
| = note: required because it appears within the type `std::fmt::ArgumentV1<'_>` |
| = note: required because it appears within the type `[std::fmt::ArgumentV1<'_>]` |
| = note: required because of the requirements on the impl of `std::marker::Send` for `&[std::fmt::ArgumentV1<'_>]` |
| = note: required because it appears within the type `std::fmt::Arguments<'_>` |
| note: required by `send` |
| --> $DIR/send-sync.rs:1:1 |
| | |
| LL | fn send<T: Send>(_: T) {} |
| | ^^^^^^^^^^^^^^^^^^^^^^ |
| |
| error[E0277]: `*mut (dyn std::ops::Fn() + 'static)` cannot be shared between threads safely |
| --> $DIR/send-sync.rs:9:5 |
| | |
| LL | sync(format_args!("{:?}", c)); |
| | ^^^^ `*mut (dyn std::ops::Fn() + 'static)` cannot be shared between threads safely |
| | |
| = help: within `std::fmt::Arguments<'_>`, the trait `std::marker::Sync` is not implemented for `*mut (dyn std::ops::Fn() + 'static)` |
| = note: required because it appears within the type `std::marker::PhantomData<*mut (dyn std::ops::Fn() + 'static)>` |
| = note: required because it appears within the type `core::fmt::Void` |
| = note: required because it appears within the type `&core::fmt::Void` |
| = note: required because it appears within the type `std::fmt::ArgumentV1<'_>` |
| = note: required because it appears within the type `[std::fmt::ArgumentV1<'_>]` |
| = note: required because it appears within the type `&[std::fmt::ArgumentV1<'_>]` |
| = note: required because it appears within the type `std::fmt::Arguments<'_>` |
| note: required by `sync` |
| --> $DIR/send-sync.rs:2:1 |
| | |
| LL | fn sync<T: Sync>(_: T) {} |
| | ^^^^^^^^^^^^^^^^^^^^^^ |
| |
| error: aborting due to 2 previous errors |
| |
| For more information about this error, try `rustc --explain E0277`. |