error[E0277]: the size for values of type `[isize]` cannot be known at compilation time --> $DIR/dst-bad-deep.rs:13:34 | LL | let h: &Fat> = &Fat { ptr: *g }; | ^^^^^^^^^^^^^^^ doesn't have a size known at compile-time | = help: within `Fat>`, the trait `Sized` is not implemented for `[isize]` note: required because it appears within the type `Fat<[isize]>` --> $DIR/dst-bad-deep.rs:6:8 | LL | struct Fat { | ^^^ = note: structs must have a statically known size to be initialized error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0277`.