1warning: unused variable: `decrease_size` 2 --> tests/ui-msrv/try_transmute-size-decrease.rs:19:9 3 | 419 | let decrease_size: Result<u8, _> = try_transmute!(AU16(0)); 5 | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_decrease_size` 6 | 7 = note: `#[warn(unused_variables)]` on by default 8 9error[E0512]: cannot transmute between types of different sizes, or dependently-sized types 10 --> tests/ui-msrv/try_transmute-size-decrease.rs:19:40 11 | 1219 | let decrease_size: Result<u8, _> = try_transmute!(AU16(0)); 13 | ^^^^^^^^^^^^^^^^^^^^^^^ 14 | 15 = note: source type: `AU16` (16 bits) 16 = note: target type: `u8` (8 bits) 17 = note: this error originates in the macro `try_transmute` (in Nightly builds, run with -Z macro-backtrace for more info) 18