error[E0308]: mismatched types
  --> $DIR/ref_pat_everywhere-fail.rs:4:17
   |
LL |     if let Some(&x) = Some(0) {
   |                 ^^    ------- this expression has type `Option<{integer}>`
   |                 |
   |                 expected integer, found `&_`
   |
   = note:   expected type `{integer}`
           found reference `&_`
help: consider removing `&` from the pattern
   |
LL |     if let Some(x) = Some(0) {
   |                 ~

error[E0308]: mismatched types
  --> $DIR/ref_pat_everywhere-fail.rs:8:17
   |
LL |     if let Some(&mut x) = Some(&0) {
   |                 ^^^^^^    -------- this expression has type `Option<&{integer}>`
   |                 |
   |                 types differ in mutability
   |
   = note:      expected reference `&{integer}`
           found mutable reference `&mut _`
note: to declare a mutable binding use: `mut x`
  --> $DIR/ref_pat_everywhere-fail.rs:8:17
   |
LL |     if let Some(&mut x) = Some(&0) {
   |                 ^^^^^^
help: consider removing `&mut` from the pattern
   |
LL |     if let Some(x) = Some(&0) {
   |                 ~

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0308`.