1 error[E0391]: cycle detected when processing `cycle1::{{impl-Trait}}`
2 --> $DIR/auto-trait-leak.rs:24:16
4 LL | fn cycle1() -> impl Clone {
7 note: ...which requires processing `cycle1`...
8 --> $DIR/auto-trait-leak.rs:24:1
10 LL | fn cycle1() -> impl Clone {
11 | ^^^^^^^^^^^^^^^^^^^^^^^^^
12 note: ...which requires evaluating trait selection obligation `impl std::clone::Clone: std::marker::Send`...
13 note: ...which requires processing `cycle2::{{impl-Trait}}`...
14 --> $DIR/auto-trait-leak.rs:33:16
16 LL | fn cycle2() -> impl Clone {
18 note: ...which requires processing `cycle2`...
19 --> $DIR/auto-trait-leak.rs:33:1
21 LL | fn cycle2() -> impl Clone {
22 | ^^^^^^^^^^^^^^^^^^^^^^^^^
23 note: ...which requires evaluating trait selection obligation `impl std::clone::Clone: std::marker::Send`...
24 = note: ...which again requires processing `cycle1::{{impl-Trait}}`, completing the cycle
26 error[E0391]: cycle detected when processing `cycle1::{{impl-Trait}}`
27 --> $DIR/auto-trait-leak.rs:24:16
29 LL | fn cycle1() -> impl Clone {
32 note: ...which requires processing `cycle1`...
33 --> $DIR/auto-trait-leak.rs:24:1
35 LL | fn cycle1() -> impl Clone {
36 | ^^^^^^^^^^^^^^^^^^^^^^^^^
37 note: ...which requires evaluating trait selection obligation `impl std::clone::Clone: std::marker::Send`...
38 note: ...which requires processing `cycle2::{{impl-Trait}}`...
39 --> $DIR/auto-trait-leak.rs:33:16
41 LL | fn cycle2() -> impl Clone {
43 note: ...which requires processing `cycle2`...
44 --> $DIR/auto-trait-leak.rs:33:1
46 LL | fn cycle2() -> impl Clone {
47 | ^^^^^^^^^^^^^^^^^^^^^^^^^
48 = note: ...which again requires processing `cycle1::{{impl-Trait}}`, completing the cycle
50 error[E0277]: `std::rc::Rc<std::string::String>` cannot be sent between threads safely
51 --> $DIR/auto-trait-leak.rs:27:5
53 LL | send(cycle2().clone());
54 | ^^^^ `std::rc::Rc<std::string::String>` cannot be sent between threads safely
56 = help: within `impl std::clone::Clone`, the trait `std::marker::Send` is not implemented for `std::rc::Rc<std::string::String>`
57 = note: required because it appears within the type `impl std::clone::Clone`
58 note: required by `send`
59 --> $DIR/auto-trait-leak.rs:16:1
61 LL | fn send<T: Send>(_: T) {}
62 | ^^^^^^^^^^^^^^^^^^^^^^
64 error: aborting due to 3 previous errors
66 Some errors occurred: E0277, E0391.
67 For more information about an error, try `rustc --explain E0277`.