src/test/ui/fmt/send-sync.stderr

   1 error[E0277]: the trait bound `*mut std::ops::Fn() + 'static: std::marker::Sync` is not satisfied in `[std::fmt::ArgumentV1<'_>]`
   2   --> $DIR/send-sync.rs:18:5
   3    |
   4 18 |     send(format_args!("{:?}", c)); //~ ERROR Sync` is not satisfied
   5    |     ^^^^ `*mut std::ops::Fn() + 'static` cannot be shared between threads safely
   6    |
   7    = help: within `[std::fmt::ArgumentV1<'_>]`, the trait `std::marker::Sync` is not implemented for `*mut std::ops::Fn() + 'static`
   8    = note: required because it appears within the type `std::marker::PhantomData<*mut std::ops::Fn() + 'static>`
   9    = note: required because it appears within the type `core::fmt::Void`
  10    = note: required because it appears within the type `&core::fmt::Void`
  11    = note: required because it appears within the type `std::fmt::ArgumentV1<'_>`
  12    = note: required because it appears within the type `[std::fmt::ArgumentV1<'_>]`
  13    = note: required because of the requirements on the impl of `std::marker::Send` for `&[std::fmt::ArgumentV1<'_>]`
  14    = note: required because it appears within the type `std::fmt::Arguments<'_>`
  15 note: required by `send`
  16   --> $DIR/send-sync.rs:11:1
  17    |
  18 11 | fn send<T: Send>(_: T) {}
  19    | ^^^^^^^^^^^^^^^^^^^^^^
  20
  21 error[E0277]: the trait bound `*mut std::ops::Fn() + 'static: std::marker::Sync` is not satisfied in `std::fmt::Arguments<'_>`
  22   --> $DIR/send-sync.rs:19:5
  23    |
  24 19 |     sync(format_args!("{:?}", c)); //~ ERROR Sync` is not satisfied
  25    |     ^^^^ `*mut std::ops::Fn() + 'static` cannot be shared between threads safely
  26    |
  27    = help: within `std::fmt::Arguments<'_>`, the trait `std::marker::Sync` is not implemented for `*mut std::ops::Fn() + 'static`
  28    = note: required because it appears within the type `std::marker::PhantomData<*mut std::ops::Fn() + 'static>`
  29    = note: required because it appears within the type `core::fmt::Void`
  30    = note: required because it appears within the type `&core::fmt::Void`
  31    = note: required because it appears within the type `std::fmt::ArgumentV1<'_>`
  32    = note: required because it appears within the type `[std::fmt::ArgumentV1<'_>]`
  33    = note: required because it appears within the type `&[std::fmt::ArgumentV1<'_>]`
  34    = note: required because it appears within the type `std::fmt::Arguments<'_>`
  35 note: required by `sync`
  36   --> $DIR/send-sync.rs:12:1
  37    |
  38 12 | fn sync<T: Sync>(_: T) {}
  39    | ^^^^^^^^^^^^^^^^^^^^^^
  40
  41 error: aborting due to 2 previous errors
  42