LL | fn cycle1() -> impl Clone {
| ^^^^^^^^^^^^^^^^^^^^^^^^^
note: ...which requires type-checking `cycle1`...
- --> $DIR/auto-trait-leak.rs:14:5
+ --> $DIR/auto-trait-leak.rs:12:1
+ |
+LL | fn cycle1() -> impl Clone {
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^
+note: ...which requires computing type of `cycle2::{opaque#0}`...
+ --> $DIR/auto-trait-leak.rs:20:16
+ |
+LL | fn cycle2() -> impl Clone {
+ | ^^^^^^^^^^
+note: ...which requires borrow-checking `cycle2`...
+ --> $DIR/auto-trait-leak.rs:20:1
+ |
+LL | fn cycle2() -> impl Clone {
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^
+note: ...which requires processing `cycle2`...
+ --> $DIR/auto-trait-leak.rs:20:1
+ |
+LL | fn cycle2() -> impl Clone {
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^
+note: ...which requires processing MIR for `cycle2`...
+ --> $DIR/auto-trait-leak.rs:20:1
+ |
+LL | fn cycle2() -> impl Clone {
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^
+note: ...which requires unsafety-checking `cycle2`...
+ --> $DIR/auto-trait-leak.rs:20:1
+ |
+LL | fn cycle2() -> impl Clone {
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^
+note: ...which requires building MIR for `cycle2`...
+ --> $DIR/auto-trait-leak.rs:20:1
+ |
+LL | fn cycle2() -> impl Clone {
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^
+note: ...which requires type-checking `cycle2`...
+ --> $DIR/auto-trait-leak.rs:20:1
+ |
+LL | fn cycle2() -> impl Clone {
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^
+ = note: ...which again requires computing type of `cycle1::{opaque#0}`, completing the cycle
+note: cycle used when checking item types in top-level module
+ --> $DIR/auto-trait-leak.rs:1:1
+ |
+LL | / use std::cell::Cell;
+LL | | use std::rc::Rc;
+LL | |
+LL | | fn send<T: Send>(_: T) {}
+... |
+LL | | Rc::new(String::from("foo"))
+LL | | }
+ | |_^
+
+error[E0391]: cycle detected when computing type of `cycle1::{opaque#0}`
+ --> $DIR/auto-trait-leak.rs:12:16
|
-LL | send(cycle2().clone());
- | ^^^^
- = note: ...which requires evaluating trait selection obligation `impl core::clone::Clone: core::marker::Send`...
+LL | fn cycle1() -> impl Clone {
+ | ^^^^^^^^^^
+ |
+note: ...which requires borrow-checking `cycle1`...
+ --> $DIR/auto-trait-leak.rs:12:1
+ |
+LL | fn cycle1() -> impl Clone {
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^
+note: ...which requires processing `cycle1`...
+ --> $DIR/auto-trait-leak.rs:12:1
+ |
+LL | fn cycle1() -> impl Clone {
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^
+note: ...which requires processing MIR for `cycle1`...
+ --> $DIR/auto-trait-leak.rs:12:1
+ |
+LL | fn cycle1() -> impl Clone {
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^
+note: ...which requires unsafety-checking `cycle1`...
+ --> $DIR/auto-trait-leak.rs:12:1
+ |
+LL | fn cycle1() -> impl Clone {
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^
+note: ...which requires building MIR for `cycle1`...
+ --> $DIR/auto-trait-leak.rs:12:1
+ |
+LL | fn cycle1() -> impl Clone {
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^
+note: ...which requires type-checking `cycle1`...
+ --> $DIR/auto-trait-leak.rs:12:1
+ |
+LL | fn cycle1() -> impl Clone {
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^
note: ...which requires computing type of `cycle2::{opaque#0}`...
- --> $DIR/auto-trait-leak.rs:19:16
+ --> $DIR/auto-trait-leak.rs:20:16
|
LL | fn cycle2() -> impl Clone {
| ^^^^^^^^^^
note: ...which requires borrow-checking `cycle2`...
- --> $DIR/auto-trait-leak.rs:19:1
+ --> $DIR/auto-trait-leak.rs:20:1
|
LL | fn cycle2() -> impl Clone {
| ^^^^^^^^^^^^^^^^^^^^^^^^^
note: ...which requires processing `cycle2`...
- --> $DIR/auto-trait-leak.rs:19:1
+ --> $DIR/auto-trait-leak.rs:20:1
|
LL | fn cycle2() -> impl Clone {
| ^^^^^^^^^^^^^^^^^^^^^^^^^
note: ...which requires processing MIR for `cycle2`...
- --> $DIR/auto-trait-leak.rs:19:1
+ --> $DIR/auto-trait-leak.rs:20:1
|
LL | fn cycle2() -> impl Clone {
| ^^^^^^^^^^^^^^^^^^^^^^^^^
note: ...which requires unsafety-checking `cycle2`...
- --> $DIR/auto-trait-leak.rs:19:1
+ --> $DIR/auto-trait-leak.rs:20:1
|
LL | fn cycle2() -> impl Clone {
| ^^^^^^^^^^^^^^^^^^^^^^^^^
note: ...which requires building MIR for `cycle2`...
- --> $DIR/auto-trait-leak.rs:19:1
+ --> $DIR/auto-trait-leak.rs:20:1
|
LL | fn cycle2() -> impl Clone {
| ^^^^^^^^^^^^^^^^^^^^^^^^^
note: ...which requires type-checking `cycle2`...
- --> $DIR/auto-trait-leak.rs:20:5
+ --> $DIR/auto-trait-leak.rs:20:1
|
-LL | send(cycle1().clone());
- | ^^^^
- = note: ...which requires evaluating trait selection obligation `impl core::clone::Clone: core::marker::Send`...
+LL | fn cycle2() -> impl Clone {
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^
= note: ...which again requires computing type of `cycle1::{opaque#0}`, completing the cycle
note: cycle used when checking item types in top-level module
--> $DIR/auto-trait-leak.rs:1:1
LL | | }
| |_^
-error: aborting due to previous error
+error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0391`.