30 lines
1.2 KiB
Plaintext
30 lines
1.2 KiB
Plaintext
error[E0119]: conflicting implementations of trait `std::ops::Drop` for type `std::boxed::Box<_>`:
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--> $DIR/issue-41974.rs:7:1
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LL | impl<T> Drop for T where T: A { //~ ERROR E0119
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= note: conflicting implementation in crate `alloc`:
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- impl<T> std::ops::Drop for std::boxed::Box<T>
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where T: ?Sized;
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= note: downstream crates may implement trait `A` for type `std::boxed::Box<_>`
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error[E0120]: the Drop trait may only be implemented on structures
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--> $DIR/issue-41974.rs:7:18
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LL | impl<T> Drop for T where T: A { //~ ERROR E0119
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| ^ implementing Drop requires a struct
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error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
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--> $DIR/issue-41974.rs:7:1
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LL | impl<T> Drop for T where T: A { //~ ERROR E0119
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type parameter `T` must be used as the type parameter for some local type
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= note: only traits defined in the current crate can be implemented for a type parameter
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error: aborting due to 3 previous errors
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Some errors occurred: E0119, E0120, E0210.
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For more information about an error, try `rustc --explain E0119`.
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