tests/ui/recursion/recursive-requirements.stderr

   1 error[E0277]: `*const Bar` cannot be shared between threads safely
   2   --> $DIR/recursive-requirements.rs:16:12
   3    |
   4 LL |     let _: AssertSync<Foo> = unimplemented!();
   5    |            ^^^^^^^^^^^^^^^ `*const Bar` cannot be shared between threads safely
   6    |
   7    = help: within `Foo`, the trait `Sync` is not implemented for `*const Bar`
   8 note: required because it appears within the type `Foo`
   9   --> $DIR/recursive-requirements.rs:5:12
  10    |
  11 LL | pub struct Foo {
  12    |            ^^^
  13 note: required by a bound in `AssertSync`
  14   --> $DIR/recursive-requirements.rs:3:22
  15    |
  16 LL | struct AssertSync<T: Sync>(PhantomData<T>);
  17    |                      ^^^^ required by this bound in `AssertSync`
  18
  19 error[E0277]: `*const Foo` cannot be shared between threads safely
  20   --> $DIR/recursive-requirements.rs:16:12
  21    |
  22 LL |     let _: AssertSync<Foo> = unimplemented!();
  23    |            ^^^^^^^^^^^^^^^ `*const Foo` cannot be shared between threads safely
  24    |
  25    = help: within `Foo`, the trait `Sync` is not implemented for `*const Foo`
  26 note: required because it appears within the type `Bar`
  27   --> $DIR/recursive-requirements.rs:10:12
  28    |
  29 LL | pub struct Bar {
  30    |            ^^^
  31    = note: required because it appears within the type `PhantomData<Bar>`
  32 note: required because it appears within the type `Foo`
  33   --> $DIR/recursive-requirements.rs:5:12
  34    |
  35 LL | pub struct Foo {
  36    |            ^^^
  37 note: required by a bound in `AssertSync`
  38   --> $DIR/recursive-requirements.rs:3:22
  39    |
  40 LL | struct AssertSync<T: Sync>(PhantomData<T>);
  41    |                      ^^^^ required by this bound in `AssertSync`
  42
  43 error: aborting due to 2 previous errors
  44
  45 For more information about this error, try `rustc --explain E0277`.