granite-rust/src/test/ui/borrowck/borrowck-closures-two-mut-fail.stderr

error[E0499]: cannot borrow `x` as mutable more than once at a time
  --> $DIR/borrowck-closures-two-mut-fail.rs:16:24
   |
LL |     let c1 = to_fn_mut(|| x = 4);
   |                        -- - previous borrow occurs due to use of `x` in closure
   |                        |
   |                        first mutable borrow occurs here
LL |     let c2 = to_fn_mut(|| x = 5); //~ ERROR cannot borrow `x` as mutable more than once
   |                        ^^ - borrow occurs due to use of `x` in closure
   |                        |
   |                        second mutable borrow occurs here
LL |     c1;
LL | }
   | - first borrow ends here

error[E0499]: cannot borrow `x` as mutable more than once at a time
  --> $DIR/borrowck-closures-two-mut-fail.rs:27:24
   |
LL |     let c1 = to_fn_mut(|| set(&mut x));
   |                        --          - previous borrow occurs due to use of `x` in closure
   |                        |
   |                        first mutable borrow occurs here
LL |     let c2 = to_fn_mut(|| set(&mut x)); //~ ERROR cannot borrow `x` as mutable more than once
   |                        ^^          - borrow occurs due to use of `x` in closure
   |                        |
   |                        second mutable borrow occurs here
LL |     c1;
LL | }
   | - first borrow ends here

error[E0499]: cannot borrow `x` as mutable more than once at a time
  --> $DIR/borrowck-closures-two-mut-fail.rs:34:24
   |
LL |     let c1 = to_fn_mut(|| x = 5);
   |                        -- - previous borrow occurs due to use of `x` in closure
   |                        |
   |                        first mutable borrow occurs here
LL |     let c2 = to_fn_mut(|| set(&mut x)); //~ ERROR cannot borrow `x` as mutable more than once
   |                        ^^          - borrow occurs due to use of `x` in closure
   |                        |
   |                        second mutable borrow occurs here
LL |     c1;
LL | }
   | - first borrow ends here

error[E0499]: cannot borrow `x` as mutable more than once at a time
  --> $DIR/borrowck-closures-two-mut-fail.rs:41:24
   |
LL |     let c1 = to_fn_mut(|| x = 5);
   |                        -- - previous borrow occurs due to use of `x` in closure
   |                        |
   |                        first mutable borrow occurs here
LL |     let c2 = to_fn_mut(|| { let _y = to_fn_mut(|| set(&mut x)); }); // (nested closure)
   |                        ^^                                  - borrow occurs due to use of `x` in closure
   |                        |
   |                        second mutable borrow occurs here
...
LL | }
   | - first borrow ends here

error[E0499]: cannot borrow `x` as mutable more than once at a time
  --> $DIR/borrowck-closures-two-mut-fail.rs:53:24
   |
LL |     let c1 = to_fn_mut(|| set(&mut *x.f));
   |                        --           - previous borrow occurs due to use of `x` in closure
   |                        |
   |                        first mutable borrow occurs here
LL |     let c2 = to_fn_mut(|| set(&mut *x.f));
   |                        ^^           - borrow occurs due to use of `x` in closure
   |                        |
   |                        second mutable borrow occurs here
...
LL | }
   | - first borrow ends here

error: aborting due to 5 previous errors

For more information about this error, try `rustc --explain E0499`.