warning: the feature `const_generics` is incomplete and may not be safe to use and/or cause compiler crashes
  --> $DIR/issue-61522-array-len-succ.rs:1:12
   |
LL | #![feature(const_generics)]
   |            ^^^^^^^^^^^^^^
   |
   = note: `#[warn(incomplete_features)]` on by default
   = note: see issue #44580 <https://github.com/rust-lang/rust/issues/44580> for more information

error: constant expression depends on a generic parameter
  --> $DIR/issue-61522-array-len-succ.rs:4:40
   |
LL | pub struct MyArray<const COUNT: usize>([u8; COUNT + 1]);
   |                                        ^^^^^^^^^^^^^^^
   |
   = note: this may fail depending on what value the parameter takes

error: constant expression depends on a generic parameter
  --> $DIR/issue-61522-array-len-succ.rs:8:24
   |
LL |     fn inner(&self) -> &[u8; COUNT + 1] {
   |                        ^^^^^^^^^^^^^^^^
   |
   = note: this may fail depending on what value the parameter takes

error: aborting due to 2 previous errors; 1 warning emitted