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error[E0277]: the trait bound `*mut std::ops::Fn() + 'static: std::marker::Sync` is not satisfied in `[std::fmt::ArgumentV1<'_>]`
--> $DIR/send-sync.rs:18:5
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18 | send(format_args!("{:?}", c)); //~ ERROR Sync` is not satisfied
| ^^^^ `*mut std::ops::Fn() + 'static` cannot be shared between threads safely
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= help: within `[std::fmt::ArgumentV1<'_>]`, the trait `std::marker::Sync` is not implemented for `*mut std::ops::Fn() + 'static`
= note: required because it appears within the type `std::marker::PhantomData<*mut 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`
error[E0277]: the trait bound `*mut std::ops::Fn() + 'static: std::marker::Sync` is not satisfied in `std::fmt::Arguments<'_>`
--> $DIR/send-sync.rs:19:5
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19 | sync(format_args!("{:?}", c)); //~ ERROR Sync` is not satisfied
| ^^^^ `*mut std::ops::Fn() + 'static` cannot be shared between threads safely
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= help: within `std::fmt::Arguments<'_>`, the trait `std::marker::Sync` is not implemented for `*mut std::ops::Fn() + 'static`
= note: required because it appears within the type `std::marker::PhantomData<*mut 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`
error: aborting due to 2 previous errors
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