rust/tests/ui/traits/issue-106072.stderr

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error[E0428]: the name `Foo` is defined multiple times
--> $DIR/issue-106072.rs:5:1
|
LL | struct Foo;
| ----------- previous definition of the type `Foo` here
LL | trait Foo {}
| ^^^^^^^^^ `Foo` redefined here
|
= note: `Foo` must be defined only once in the type namespace of this module
error[E0277]: the size for values of type `(dyn Foo + 'static)` cannot be known at compilation time
--> $DIR/issue-106072.rs:1:10
|
LL | #[derive(Clone)]
| ^^^^^ doesn't have a size known at compile-time
|
= help: the trait `Sized` is not implemented for `(dyn Foo + 'static)`
note: required by a bound in `Clone`
--> $SRC_DIR/core/src/clone.rs:LL:COL
= note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0746]: return type cannot have an unboxed trait object
--> $DIR/issue-106072.rs:1:10
|
LL | #[derive(Clone)]
| ^^^^^ doesn't have a size known at compile-time
|
= note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0782]: trait objects must include the `dyn` keyword
--> $DIR/issue-106072.rs:1:10
|
LL | #[derive(Clone)]
| ^^^^^
|
= note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
error: aborting due to 4 previous errors
Some errors have detailed explanations: E0277, E0428, E0746, E0782.
For more information about an error, try `rustc --explain E0277`.