1 error[E0277]: `MyNotSendable` cannot be sent between threads safely
2 --> $DIR/typeck-default-trait-impl-negation-send.rs:19:15
4 LL | fn is_send<T: Send>() {}
5 | ---- required by this bound in `is_send`
7 LL | is_send::<MyNotSendable>();
8 | ^^^^^^^^^^^^^ `MyNotSendable` cannot be sent between threads safely
10 = help: the trait `std::marker::Send` is not implemented for `MyNotSendable`
12 error: aborting due to previous error
14 For more information about this error, try `rustc --explain E0277`.