error[E0599]: no associated item named `Item` found for type parameter `T` in the current scope --> $DIR/issue-38919.rs:2:8 | LL | fn foo() { | - associated item `Item` not found for this type parameter LL | T::Item; | ^^^^ associated item not found in `T` error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0599`.