error[E0277]: the trait bound `f64: Foo` is not satisfied
  --> $DIR/type_inference.rs:21:5
   |
LL | fn only_foo<T: Foo>(_x: T) { }
   |                --- required by this bound in `only_foo`
...
LL |     only_foo(x);
   |     ^^^^^^^^ the trait `Foo` is not implemented for `f64`

error[E0277]: the trait bound `f64: Bar` is not satisfied
  --> $DIR/type_inference.rs:25:5
   |
LL | fn only_bar<T: Bar>(_x: T) { }
   |                --- required by this bound in `only_bar`
...
LL |     only_bar(x);
   |     ^^^^^^^^ the trait `Bar` is not implemented for `f64`

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0277`.