src/test/ui/impl-trait/auto-trait-leak.stderr

   1 error[E0277]: the trait bound `std::rc::Rc<std::cell::Cell<i32>>: std::marker::Send` is not satisfied in `impl std::ops::Fn<(i32,)>`
   2   --> $DIR/auto-trait-leak.rs:27:5
   3    |
   4 27 |     send(before());
   5    |     ^^^^ `std::rc::Rc<std::cell::Cell<i32>>` cannot be sent between threads safely
   6    |
   7    = help: within `impl std::ops::Fn<(i32,)>`, the trait `std::marker::Send` is not implemented for `std::rc::Rc<std::cell::Cell<i32>>`
   8    = note: required because it appears within the type `[closure@$DIR/auto-trait-leak.rs:21:5: 21:22 p:std::rc::Rc<std::cell::Cell<i32>>]`
   9    = note: required because it appears within the type `impl std::ops::Fn<(i32,)>`
  10 note: required by `send`
  11   --> $DIR/auto-trait-leak.rs:24:1
  12    |
  13 24 | fn send<T: Send>(_: T) {}
  14    | ^^^^^^^^^^^^^^^^^^^^^^
  15
  16 error[E0277]: the trait bound `std::rc::Rc<std::cell::Cell<i32>>: std::marker::Send` is not satisfied in `impl std::ops::Fn<(i32,)>`
  17   --> $DIR/auto-trait-leak.rs:30:5
  18    |
  19 30 |     send(after());
  20    |     ^^^^ `std::rc::Rc<std::cell::Cell<i32>>` cannot be sent between threads safely
  21    |
  22    = help: within `impl std::ops::Fn<(i32,)>`, the trait `std::marker::Send` is not implemented for `std::rc::Rc<std::cell::Cell<i32>>`
  23    = note: required because it appears within the type `[closure@$DIR/auto-trait-leak.rs:38:5: 38:22 p:std::rc::Rc<std::cell::Cell<i32>>]`
  24    = note: required because it appears within the type `impl std::ops::Fn<(i32,)>`
  25 note: required by `send`
  26   --> $DIR/auto-trait-leak.rs:24:1
  27    |
  28 24 | fn send<T: Send>(_: T) {}
  29    | ^^^^^^^^^^^^^^^^^^^^^^
  30
  31 error[E0391]: unsupported cyclic reference between types/traits detected
  32   --> $DIR/auto-trait-leak.rs:44:1
  33    |
  34 44 | fn cycle1() -> impl Clone {
  35    | ^^^^^^^^^^^^^^^^^^^^^^^^^ cyclic reference
  36    |
  37 note: the cycle begins when processing `cycle1`...
  38   --> $DIR/auto-trait-leak.rs:44:1
  39    |
  40 44 | fn cycle1() -> impl Clone {
  41    | ^^^^^^^^^^^^^^^^^^^^^^^^^
  42 note: ...which then requires processing `cycle2::{{impl-Trait}}`...
  43   --> $DIR/auto-trait-leak.rs:52:16
  44    |
  45 52 | fn cycle2() -> impl Clone {
  46    |                ^^^^^^^^^^
  47 note: ...which then requires processing `cycle2`...
  48   --> $DIR/auto-trait-leak.rs:52:1
  49    |
  50 52 | fn cycle2() -> impl Clone {
  51    | ^^^^^^^^^^^^^^^^^^^^^^^^^
  52 note: ...which then requires processing `cycle1::{{impl-Trait}}`...
  53   --> $DIR/auto-trait-leak.rs:44:16
  54    |
  55 44 | fn cycle1() -> impl Clone {
  56    |                ^^^^^^^^^^
  57    = note: ...which then again requires processing `cycle1`, completing the cycle.
  58
  59 error: aborting due to 3 previous errors
  60