error[E0046]: not all trait items implemented, missing: `foo` --> $DIR/trivial_impl_sized.rs:15:1 | LL | / fn foo() LL | | where LL | | Self: Sized; | |____________________- `foo` from trait ... LL | impl Foo for i32 {} | ^^^^^^^^^^^^^^^^ missing `foo` in implementation error[E0046]: not all trait items implemented, missing: `foo` --> $DIR/trivial_impl_sized.rs:19:1 | LL | / fn foo() LL | | where LL | | Self: Sized; | |____________________- `foo` from trait ... LL | impl Foo for dyn std::fmt::Debug {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `foo` in implementation error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0046`.