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error[E0277]: the trait bound `U1: Copy` is not satisfied
--> $DIR/union-derive-clone.rs:6:10
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LL | #[derive(Clone)]
| ^^^^^ the trait `Copy` is not implemented for `U1`
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note: required by a bound in `AssertParamIsCopy`
--> $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)
help: consider annotating `U1` with `#[derive(Copy)]`
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LL | #[derive(Copy)]
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error[E0599]: the method `clone` exists for union `U5<CloneNoCopy>`, but its trait bounds were not satisfied
--> $DIR/union-derive-clone.rs:38:15
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LL | union U5<T> {
| -----------
| |
| method `clone` not found for this union
| doesn't satisfy `U5<CloneNoCopy>: Clone`
...
LL | struct CloneNoCopy;
| ------------------ doesn't satisfy `CloneNoCopy: Copy`
...
LL | let w = u.clone();
| ^^^^^ method cannot be called on `U5<CloneNoCopy>` due to unsatisfied trait bounds
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note: trait bound `CloneNoCopy: Copy` was not satisfied
--> $DIR/union-derive-clone.rs:28:10
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LL | #[derive(Clone, Copy)]
| ^^^^^ unsatisfied trait bound introduced in this `derive` macro
help: consider annotating `CloneNoCopy` with `#[derive(Clone, Copy)]`
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LL | #[derive(Clone, Copy)]
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error: aborting due to 2 previous errors
Some errors have detailed explanations: E0277, E0599.
For more information about an error, try `rustc --explain E0277`.
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