error[E0384]: cannot assign twice to immutable variable `x` --> $DIR/borrowck-match-binding-is-assignment.rs:17:13 | LL | x => { | - | | | first assignment to `x` | help: make this binding mutable: `mut x` LL | x += 1; | ^^^^^^ cannot assign twice to immutable variable error[E0384]: cannot assign twice to immutable variable `x` --> $DIR/borrowck-match-binding-is-assignment.rs:24:13 | LL | E::Foo(x) => { | - | | | first assignment to `x` | help: make this binding mutable: `mut x` LL | x += 1; | ^^^^^^ cannot assign twice to immutable variable error[E0384]: cannot assign twice to immutable variable `x` --> $DIR/borrowck-match-binding-is-assignment.rs:31:13 | LL | S { bar: x } => { | - | | | first assignment to `x` | help: make this binding mutable: `mut x` LL | x += 1; | ^^^^^^ cannot assign twice to immutable variable error[E0384]: cannot assign twice to immutable variable `x` --> $DIR/borrowck-match-binding-is-assignment.rs:38:13 | LL | (x,) => { | - | | | first assignment to `x` | help: make this binding mutable: `mut x` LL | x += 1; | ^^^^^^ cannot assign twice to immutable variable error[E0384]: cannot assign twice to immutable variable `x` --> $DIR/borrowck-match-binding-is-assignment.rs:45:13 | LL | [x,_,_] => { | - | | | first assignment to `x` | help: make this binding mutable: `mut x` LL | x += 1; | ^^^^^^ cannot assign twice to immutable variable error: aborting due to 5 previous errors For more information about this error, try `rustc --explain E0384`.