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error[E0321]: cross-crate traits with a default impl, like `std::marker::Send`, can only be implemented for a struct/enum type, not `&'static main::Foo`
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--> $DIR/empty_span.rs:17:5
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|
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LL | unsafe impl Send for &'static Foo { } //~ ERROR cross-crate traits with a default impl
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't implement cross-crate trait with a default impl for non-struct/enum type
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error: aborting due to previous error
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2018-03-03 08:59:40 -06:00
For more information about this error, try `rustc --explain E0321`.
