error[E0594]: cannot assign to `x`, as it is not declared as mutable --> $DIR/unboxed-closure-immutable-capture.rs:9:13 | LL | move || x = 1; | ^^^^^ cannot assign | help: consider changing this to be mutable | LL | let mut x = 0; | +++ error[E0596]: cannot borrow `x` as mutable, as it is not declared as mutable --> $DIR/unboxed-closure-immutable-capture.rs:10:17 | LL | move || set(&mut x); | ^^^^^^ cannot borrow as mutable | help: consider changing this to be mutable | LL | let mut x = 0; | +++ error[E0594]: cannot assign to `x`, as it is not declared as mutable --> $DIR/unboxed-closure-immutable-capture.rs:11:13 | LL | move || x = 1; | ^^^^^ cannot assign | help: consider changing this to be mutable | LL | let mut x = 0; | +++ error[E0596]: cannot borrow `x` as mutable, as it is not declared as mutable --> $DIR/unboxed-closure-immutable-capture.rs:12:17 | LL | move || set(&mut x); | ^^^^^^ cannot borrow as mutable | help: consider changing this to be mutable | LL | let mut x = 0; | +++ error[E0594]: cannot assign to `x`, as it is not declared as mutable --> $DIR/unboxed-closure-immutable-capture.rs:13:8 | LL | || x = 1; | ^^^^^ cannot assign | help: consider changing this to be mutable | LL | let mut x = 0; | +++ error[E0596]: cannot borrow `x` as mutable, as it is not declared as mutable --> $DIR/unboxed-closure-immutable-capture.rs:14:12 | LL | || set(&mut x); | ^^^^^^ cannot borrow as mutable | help: consider changing this to be mutable | LL | let mut x = 0; | +++ error[E0594]: cannot assign to `x`, as it is not declared as mutable --> $DIR/unboxed-closure-immutable-capture.rs:15:8 | LL | || x = 1; | ^^^^^ cannot assign | help: consider changing this to be mutable | LL | let mut x = 0; | +++ error[E0596]: cannot borrow `x` as mutable, as it is not declared as mutable --> $DIR/unboxed-closure-immutable-capture.rs:16:12 | LL | || set(&mut x); | ^^^^^^ cannot borrow as mutable | help: consider changing this to be mutable | LL | let mut x = 0; | +++ error: aborting due to 8 previous errors Some errors have detailed explanations: E0594, E0596. For more information about an error, try `rustc --explain E0594`.