1error[E0277]: the size for values of type `[u8]` cannot be known at compilation time 2 --> $DIR/defaults-wf.rs:7:15 3 | 4LL | type Ty = Vec<[u8]>; 5 | ^^^^^^^^^ doesn't have a size known at compile-time 6 | 7 = help: the trait `Sized` is not implemented for `[u8]` 8note: required by a bound in `Vec` 9 --> $SRC_DIR/alloc/src/vec/mod.rs:LL:COL 10 | 11LL | pub struct Vec<T, #[unstable(feature = "allocator_api", issue = "32838")] A: Allocator = Global> { 12 | ^ required by this bound in `Vec` 13 14error: aborting due to previous error 15 16For more information about this error, try `rustc --explain E0277`. 17