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For macros that are implemented on the compiler, we do *not* mention the `-Zmacro-backtrace` flag. This includes `derive`s and standard macros.
31 lines
873 B
Plaintext
31 lines
873 B
Plaintext
error[E0204]: the trait `Copy` cannot be implemented for this type
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--> $DIR/issue-27340.rs:2:10
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LL | #[derive(Copy, Clone)]
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| ^^^^
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LL |
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LL | struct Bar(Foo);
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| --- this field does not implement `Copy`
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error[E0277]: the trait bound `Foo: Clone` is not satisfied
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--> $DIR/issue-27340.rs:4:12
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LL | #[derive(Copy, Clone)]
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| ----- in this derive macro expansion
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LL |
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LL | struct Bar(Foo);
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| ^^^ the trait `Clone` is not implemented for `Foo`
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note: required by a bound in `AssertParamIsClone`
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--> $SRC_DIR/core/src/clone.rs:LL:COL
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help: consider annotating `Foo` with `#[derive(Clone)]`
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LL + #[derive(Clone)]
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LL | struct Foo;
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error: aborting due to 2 previous errors
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Some errors have detailed explanations: E0204, E0277.
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For more information about an error, try `rustc --explain E0204`.
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