error[E0277]: the trait bound `usize: Meow` is not satisfied --> $DIR/issue-99080.rs:10:16 | LL | needs_meow(1usize); | ---------- ^^^^^^ the trait `Meow` is not implemented for `usize` | | | required by a bound introduced by this call | = help: the following other types implement trait `Meow`: GlobalMeow LocalMeow note: required by a bound in `needs_meow` --> $DIR/issue-99080.rs:7:18 | LL | fn needs_meow(t: T) {} | ^^^^ required by this bound in `needs_meow` error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0277`.