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error[E0277]: `T` cannot be sent between threads safely
--> $DIR/builtin-superkinds-double-superkind.rs:6:32
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LL | impl <T: Sync+'static> Foo for (T,) { }
| ^^^^ `T` cannot be sent between threads safely
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= note: required because it appears within the type `(T,)`
note: required by a bound in `Foo`
--> $DIR/builtin-superkinds-double-superkind.rs:4:13
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LL | trait Foo : Send+Sync { }
| ^^^^ required by this bound in `Foo`
help: consider further restricting this bound
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LL | impl <T: Sync+'static + std::marker::Send> Foo for (T,) { }
| +++++++++++++++++++
error[E0277]: `T` cannot be shared between threads safely
--> $DIR/builtin-superkinds-double-superkind.rs:9:24
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LL | impl <T: Send> Foo for (T,T) { }
| ^^^^^ `T` cannot be shared between threads safely
|
= note: required because it appears within the type `(T, T)`
note: required by a bound in `Foo`
--> $DIR/builtin-superkinds-double-superkind.rs:4:18
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LL | trait Foo : Send+Sync { }
| ^^^^ required by this bound in `Foo`
help: consider further restricting this bound
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LL | impl <T: Send + std::marker::Sync> Foo for (T,T) { }
| +++++++++++++++++++
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0277`.
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