src/test/ui/issues/issue-40827.stderr

   1 error[E0277]: `Rc<Foo>` cannot be sent between threads safely
   2   --> $DIR/issue-40827.rs:14:5
   3    |
   4 LL | fn f<T: Send>(_: T) {}
   5    |         ---- required by this bound in `f`
   6 ...
   7 LL |     f(Foo(Arc::new(Bar::B(None))));
   8    |     ^ `Rc<Foo>` cannot be sent between threads safely
   9    |
  10    = help: within `Bar`, the trait `Send` is not implemented for `Rc<Foo>`
  11    = note: required because it appears within the type `Bar`
  12    = note: required because of the requirements on the impl of `Send` for `Arc<Bar>`
  13    = note: required because it appears within the type `Foo`
  14
  15 error[E0277]: `Rc<Foo>` cannot be shared between threads safely
  16   --> $DIR/issue-40827.rs:14:5
  17    |
  18 LL | fn f<T: Send>(_: T) {}
  19    |         ---- required by this bound in `f`
  20 ...
  21 LL |     f(Foo(Arc::new(Bar::B(None))));
  22    |     ^ `Rc<Foo>` cannot be shared between threads safely
  23    |
  24    = help: within `Bar`, the trait `Sync` is not implemented for `Rc<Foo>`
  25    = note: required because it appears within the type `Bar`
  26    = note: required because of the requirements on the impl of `Send` for `Arc<Bar>`
  27    = note: required because it appears within the type `Foo`
  28
  29 error: aborting due to 2 previous errors
  30
  31 For more information about this error, try `rustc --explain E0277`.