error[E0401]: can't use type parameters from outer function --> $DIR/issue-3214.rs:3:12 | LL | fn foo() { | --- - type variable from outer function | | | try adding a local type parameter in this method instead LL | struct Foo { LL | x: T, //~ ERROR can't use type parameters from outer function | ^ use of type variable from outer function error[E0107]: wrong number of type arguments: expected 0, found 1 --> $DIR/issue-3214.rs:6:26 | LL | impl Drop for Foo { | ^ unexpected type argument error: aborting due to 2 previous errors Some errors occurred: E0107, E0401. For more information about an error, try `rustc --explain E0107`.