src/test/ui/mut/mut-pattern-internal-mutability.stderr

   1 error[E0384]: cannot assign twice to immutable variable `x`
   2   --> $DIR/mut-pattern-internal-mutability.rs:5:5
   3    |
   4 LL |     let &mut x = foo;
   5    |              -
   6    |              |
   7    |              first assignment to `x`
   8    |              help: consider making this binding mutable: `mut x`
   9 LL |     x += 1;
  10    |     ^^^^^^ cannot assign twice to immutable variable
  11
  12 error[E0506]: cannot assign to `*foo` because it is borrowed
  13   --> $DIR/mut-pattern-internal-mutability.rs:13:5
  14    |
  15 LL |     let &mut ref x = foo;
  16    |              ----- borrow of `*foo` occurs here
  17 LL |     *foo += 1;
  18    |     ^^^^^^^^^ assignment to borrowed `*foo` occurs here
  19 LL |     drop(x);
  20    |          - borrow later used here
  21
  22 error: aborting due to 2 previous errors
  23
  24 Some errors have detailed explanations: E0384, E0506.
  25 For more information about an error, try `rustc --explain E0384`.