error: transmute from a `u32` to a `char`
  --> tests/ui/transmute_int_to_char_no_std.rs:17:28
   |
LL |     let _: char = unsafe { core::mem::transmute(0_u32) };
   |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `core::char::from_u32(0_u32).unwrap()`
   |
   = note: `-D clippy::transmute-int-to-char` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::transmute_int_to_char)]`

error: transmute from a `i32` to a `char`
  --> tests/ui/transmute_int_to_char_no_std.rs:20:28
   |
LL |     let _: char = unsafe { core::mem::transmute(0_i32) };
   |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `core::char::from_u32(0_i32 as u32).unwrap()`

error: aborting due to 2 previous errors