error[E0596]: cannot borrow immutable argument `x` as mutable --> $DIR/borrowck-borrow-overloaded-auto-deref-mut.rs:63:24 | LL | fn deref_mut_field1(x: Own) { | - help: make this binding mutable: `mut x` LL | let __isize = &mut x.y; //~ ERROR cannot borrow | ^ cannot borrow mutably error[E0596]: cannot borrow immutable borrowed content `*x` as mutable --> $DIR/borrowck-borrow-overloaded-auto-deref-mut.rs:75:10 | LL | fn deref_extend_mut_field1(x: &Own) -> &mut isize { | ----------- use `&mut Own` here to make mutable LL | &mut x.y //~ ERROR cannot borrow | ^ cannot borrow as mutable error[E0499]: cannot borrow `*x` as mutable more than once at a time --> $DIR/borrowck-borrow-overloaded-auto-deref-mut.rs:88:19 | LL | let _x = &mut x.x; | - first mutable borrow occurs here LL | let _y = &mut x.y; //~ ERROR cannot borrow | ^ second mutable borrow occurs here LL | } | - first borrow ends here error[E0596]: cannot borrow immutable argument `x` as mutable --> $DIR/borrowck-borrow-overloaded-auto-deref-mut.rs:98:5 | LL | fn assign_field1<'a>(x: Own) { | - help: make this binding mutable: `mut x` LL | x.y = 3; //~ ERROR cannot borrow | ^ cannot borrow mutably error[E0596]: cannot borrow immutable borrowed content `*x` as mutable --> $DIR/borrowck-borrow-overloaded-auto-deref-mut.rs:102:5 | LL | fn assign_field2<'a>(x: &'a Own) { | -------------- use `&'a mut Own` here to make mutable LL | x.y = 3; //~ ERROR cannot borrow | ^ cannot borrow as mutable error[E0499]: cannot borrow `*x` as mutable more than once at a time --> $DIR/borrowck-borrow-overloaded-auto-deref-mut.rs:111:5 | LL | let _p: &mut Point = &mut **x; | -- first mutable borrow occurs here LL | x.y = 3; //~ ERROR cannot borrow | ^ second mutable borrow occurs here LL | } | - first borrow ends here error[E0596]: cannot borrow immutable argument `x` as mutable --> $DIR/borrowck-borrow-overloaded-auto-deref-mut.rs:119:5 | LL | fn deref_mut_method1(x: Own) { | - help: make this binding mutable: `mut x` LL | x.set(0, 0); //~ ERROR cannot borrow | ^ cannot borrow mutably error[E0596]: cannot borrow immutable borrowed content `*x` as mutable --> $DIR/borrowck-borrow-overloaded-auto-deref-mut.rs:131:5 | LL | fn deref_extend_mut_method1(x: &Own) -> &mut isize { | ----------- use `&mut Own` here to make mutable LL | x.y_mut() //~ ERROR cannot borrow | ^ cannot borrow as mutable error[E0596]: cannot borrow immutable argument `x` as mutable --> $DIR/borrowck-borrow-overloaded-auto-deref-mut.rs:139:6 | LL | fn assign_method1<'a>(x: Own) { | - help: make this binding mutable: `mut x` LL | *x.y_mut() = 3; //~ ERROR cannot borrow | ^ cannot borrow mutably error[E0596]: cannot borrow immutable borrowed content `*x` as mutable --> $DIR/borrowck-borrow-overloaded-auto-deref-mut.rs:143:6 | LL | fn assign_method2<'a>(x: &'a Own) { | -------------- use `&'a mut Own` here to make mutable LL | *x.y_mut() = 3; //~ ERROR cannot borrow | ^ cannot borrow as mutable error: aborting due to 10 previous errors Some errors occurred: E0499, E0596. For more information about an error, try `rustc --explain E0499`.