error[E0658]: statements in statics are unstable (see issue #48821)
  --> $DIR/write-to-static-mut-in-static.rs:14:33
   |
LL | pub static mut B: () = unsafe { A = 1; };
   |                                 ^^^^^
   |
   = help: add #![feature(const_let)] to the crate attributes to enable

error[E0658]: statements in statics are unstable (see issue #48821)
  --> $DIR/write-to-static-mut-in-static.rs:17:34
   |
LL | pub static mut C: u32 = unsafe { C = 1; 0 };
   |                                  ^^^^^
   |
   = help: add #![feature(const_let)] to the crate attributes to enable

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0658`.