error[E0658]: references in statics may only refer to immutable values
  --> $DIR/static_mut_containing_mut_ref2.rs:3:46
   |
LL | pub static mut STDERR_BUFFER: () = unsafe { *(&mut STDERR_BUFFER_SPACE) = 42; };
   |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^ statics require immutable values
   |
   = note: for more information, see https://github.com/rust-lang/rust/issues/57349
   = help: add `#![feature(const_mut_refs)]` to the crate attributes to enable

error[E0019]: static contains unimplemented expression type
  --> $DIR/static_mut_containing_mut_ref2.rs:3:45
   |
LL | pub static mut STDERR_BUFFER: () = unsafe { *(&mut STDERR_BUFFER_SPACE) = 42; };
   |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: aborting due to 2 previous errors

Some errors have detailed explanations: E0019, E0658.
For more information about an error, try `rustc --explain E0019`.