New upstream version 1.67.1+dfsg1

[rustc.git] / src / test / ui / span / borrowck-borrow-overloaded-auto-deref-mut.stderr

error[E0596]: cannot borrow `x` as mutable, as it is not declared as mutable
  --> $DIR/borrowck-borrow-overloaded-auto-deref-mut.rs:53:24
   |
LL | fn deref_mut_field1(x: Own<Point>) {
   |                     - help: consider changing this to be mutable: `mut x`
LL |     let __isize = &mut x.y;
   |                        ^ cannot borrow as mutable

error[E0596]: cannot borrow `*x` as mutable, as it is behind a `&` reference
  --> $DIR/borrowck-borrow-overloaded-auto-deref-mut.rs:65:10
   |
LL | fn deref_extend_mut_field1(x: &Own<Point>) -> &mut isize {
   |                               ----------- help: consider changing this to be a mutable reference: `&mut Own<Point>`
LL |     &mut x.y
   |          ^ `x` is a `&` reference, so the data it refers to cannot be borrowed as mutable

error[E0499]: cannot borrow `*x` as mutable more than once at a time
  --> $DIR/borrowck-borrow-overloaded-auto-deref-mut.rs:78:19
   |
LL |     let _x = &mut x.x;
   |                   - first mutable borrow occurs here
LL |     let _y = &mut x.y;
   |                   ^ second mutable borrow occurs here
LL |     use_mut(_x);
   |             -- first borrow later used here

error[E0596]: cannot borrow `x` as mutable, as it is not declared as mutable
  --> $DIR/borrowck-borrow-overloaded-auto-deref-mut.rs:88:5
   |
LL | fn assign_field1<'a>(x: Own<Point>) {
   |                      - help: consider changing this to be mutable: `mut x`
LL |     x.y = 3;
   |     ^ cannot borrow as mutable

error[E0596]: cannot borrow `*x` as mutable, as it is behind a `&` reference
  --> $DIR/borrowck-borrow-overloaded-auto-deref-mut.rs:92:5
   |
LL | fn assign_field2<'a>(x: &'a Own<Point>) {
   |                         -------------- help: consider changing this to be a mutable reference: `&'a mut Own<Point>`
LL |     x.y = 3;
   |     ^ `x` is a `&` reference, so the data it refers to cannot be borrowed as mutable

error[E0499]: cannot borrow `*x` as mutable more than once at a time
  --> $DIR/borrowck-borrow-overloaded-auto-deref-mut.rs:101:5
   |
LL |     let _p: &mut Point = &mut **x;
   |                                -- first mutable borrow occurs here
LL |     x.y = 3;
   |     ^ second mutable borrow occurs here
LL |     use_mut(_p);
   |             -- first borrow later used here

error[E0596]: cannot borrow `x` as mutable, as it is not declared as mutable
  --> $DIR/borrowck-borrow-overloaded-auto-deref-mut.rs:109:5
   |
LL | fn deref_mut_method1(x: Own<Point>) {
   |                      - help: consider changing this to be mutable: `mut x`
LL |     x.set(0, 0);
   |     ^^^^^^^^^^^ cannot borrow as mutable

error[E0596]: cannot borrow `*x` as mutable, as it is behind a `&` reference
  --> $DIR/borrowck-borrow-overloaded-auto-deref-mut.rs:121:5
   |
LL | fn deref_extend_mut_method1(x: &Own<Point>) -> &mut isize {
   |                                ----------- help: consider changing this to be a mutable reference: `&mut Own<Point>`
LL |     x.y_mut()
   |     ^^^^^^^^^ `x` is a `&` reference, so the data it refers to cannot be borrowed as mutable

error[E0596]: cannot borrow `x` as mutable, as it is not declared as mutable
  --> $DIR/borrowck-borrow-overloaded-auto-deref-mut.rs:129:6
   |
LL | fn assign_method1<'a>(x: Own<Point>) {
   |                       - help: consider changing this to be mutable: `mut x`
LL |     *x.y_mut() = 3;
   |      ^^^^^^^^^ cannot borrow as mutable

error[E0596]: cannot borrow `*x` as mutable, as it is behind a `&` reference
  --> $DIR/borrowck-borrow-overloaded-auto-deref-mut.rs:133:6
   |
LL | fn assign_method2<'a>(x: &'a Own<Point>) {
   |                          -------------- help: consider changing this to be a mutable reference: `&'a mut Own<Point>`
LL |     *x.y_mut() = 3;
   |      ^^^^^^^^^ `x` is a `&` reference, so the data it refers to cannot be borrowed as mutable

error: aborting due to 10 previous errors

Some errors have detailed explanations: E0499, E0596.
For more information about an error, try `rustc --explain E0499`.