1 error[E0308]: mismatched types
2 --> $DIR/issue-2951.rs:3:10
4 LL | fn foo<T, U>(x: T, y: U) {
5 | - - found type parameter
7 | expected type parameter
9 | - expected due to this value
11 | ^ expected type parameter `T`, found type parameter `U`
13 = note: expected type parameter `T`
14 found type parameter `U`
15 = note: a type parameter was expected, but a different one was found; you might be missing a type parameter or trait bound
16 = note: for more information, visit https://doc.rust-lang.org/book/ch10-02-traits.html#traits-as-parameters
18 error: aborting due to previous error
20 For more information about this error, try `rustc --explain E0308`.