error[E0277]: `T` cannot be sent between threads safely --> $DIR/bad-method-typaram-kind.rs:2:7 | LL | fn foo() { | -- help: consider further restricting this bound: `T: std::marker::Send +` LL | 1.bar::(); | ^^^ `T` cannot be sent between threads safely | = help: the trait `std::marker::Send` is not implemented for `T` error: aborting due to previous error For more information about this error, try `rustc --explain E0277`.