version bump: 1.0.0 -> (breaking) -> 2.0.0
error: breaking changes in `A`
 --> consts/new.rs:1:1
  |
1 | pub const A: u16 = 0;
  | ^^^^^^^^^^^^^^^^
  |
  = warning: type error: expected `u8`, found `u16` (breaking)

error: breaking changes in `B`
 --> consts/new.rs:3:1
  |
3 | pub static B: u16 = 1;
  | ^^^^^^^^^^^^^^^^^
  |
  = warning: type error: expected `u8`, found `u16` (breaking)

error: breaking changes in `D`
 --> consts/new.rs:7:1
  |
7 | pub static D: bool = true;
  | ^^^^^^^^^^^^^^^^^^
  |
  = warning: static item made immutable (breaking)

warning: non-breaking changes in `E`
 --> consts/new.rs:9:1
  |
9 | pub static mut E: bool = true;
  | ^^^^^^^^^^^^^^^^^^^^^^
  |
  = note: static item made mutable (non-breaking)

error: aborting due to 3 previous errors; 1 warning emitted