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---
source: codespan-reporting/tests/term.rs
expression: TEST_DATA.emit_no_color(&config)
---
error[E0666]: nested `impl Trait` is not allowed
--> nested_impl_trait.rs:5:56
|
5 | fn bad_in_ret_position(x: impl Into<u32>) -> impl Into<impl Debug> { x }
| ----------^^^^^^^^^^-
| | |
| | nested `impl Trait` here
| outer `impl Trait`
error[E0121]: the type placeholder `_` is not allowed within types on item signatures
--> typeck_type_placeholder_item.rs:1:18
|
1 | fn fn_test1() -> _ { 5 }
| ^
| |
| not allowed in type signatures
| help: replace with the correct return type: `i32`
error[E0121]: the type placeholder `_` is not allowed within types on item signatures
--> typeck_type_placeholder_item.rs:2:25
|
2 | fn fn_test2(x: i32) -> (_, _) { (x, x) }
| -^--^-
| || |
| || not allowed in type signatures
| |not allowed in type signatures
| help: replace with the correct return type: `(i32, i32)`
error[E0277]: `std::rc::Rc<()>` cannot be sent between threads safely
--> no_send_res_ports.rs:25:5
|
25 | thread::spawn(move|| {
| ^^^^^^^^^^^^^ `std::rc::Rc<()>` cannot be sent between threads safely
| /-------------------'
26 | | let y = x;
27 | | println!("{:?}", y);
28 | | });
| \------' within this `[closure@no_send_res_ports.rs:29:19: 33:6 x:main::Foo]`
|
--> libstd/thread/mod.rs:5:8
|
5 | F: Send + 'static,
| ---- required by this bound in `std::thread::spawn`
|
= help: within `[closure@no_send_res_ports.rs:29:19: 33:6 x:main::Foo]`, the trait `std::marker::Send` is not implemented for `std::rc::Rc<()>`
= note: required because it appears within the type `Port<()>`
= note: required because it appears within the type `main::Foo`
= note: required because it appears within the type `[closure@no_send_res_ports.rs:29:19: 33:6 x:main::Foo]`
error: aborting due 5 previous errors
= Some errors have detailed explanations: E0121, E0277, E0666.
= For more information about an error, try `rustc --explain E0121`.
|
