error[E0500]: closure requires unique access to `x` but it is already borrowed
  --> $DIR/borrowck-closures-unique.rs:26:14
   |
LL |     let c1 = || get(x);
   |              --     - previous borrow occurs due to use of `x` in closure
   |              |
   |              borrow occurs here
LL |     let c2 = || set(x); //~ ERROR closure requires unique access to `x`
   |              ^^     - borrow occurs due to use of `x` in closure
   |              |
   |              closure construction occurs here
LL |     c1;
LL | }
   | - borrow ends here

error[E0500]: closure requires unique access to `x` but it is already borrowed
  --> $DIR/borrowck-closures-unique.rs:32:14
   |
LL |     let c1 = || get(x);
   |              --     - previous borrow occurs due to use of `x` in closure
   |              |
   |              borrow occurs here
LL |     let c2 = || { get(x); set(x); }; //~ ERROR closure requires unique access to `x`
   |              ^^       - borrow occurs due to use of `x` in closure
   |              |
   |              closure construction occurs here
LL |     c1;
LL | }
   | - borrow ends here

error[E0524]: two closures require unique access to `x` at the same time
  --> $DIR/borrowck-closures-unique.rs:38:14
   |
LL |     let c1 = || set(x);
   |              --     - previous borrow occurs due to use of `x` in closure
   |              |
   |              first closure is constructed here
LL |     let c2 = || set(x); //~ ERROR two closures require unique access to `x` at the same time
   |              ^^     - borrow occurs due to use of `x` in closure
   |              |
   |              second closure is constructed here
LL |     c1;
LL | }
   | - borrow from first closure ends here

error[E0595]: closure cannot assign to immutable argument `x`
  --> $DIR/borrowck-closures-unique.rs:47:14
   |
LL |     let c1 = |y: &'static mut isize| x = y; //~ ERROR closure cannot assign to immutable argument
   |              ^^^^^^^^^^^^^^^^^^^^^^^ cannot borrow mutably
help: consider removing the `&mut`, as it is an immutable binding to a mutable reference
   |
LL |     x //~ ERROR closure cannot assign to immutable argument
   |     ^

error[E0595]: closure cannot assign to immutable argument `x`
  --> $DIR/borrowck-closures-unique.rs:52:14
   |
LL |     let c1 = || x = panic!(); //~ ERROR closure cannot assign to immutable argument
   |              ^^ cannot borrow mutably
help: consider removing the `&mut`, as it is an immutable binding to a mutable reference
   |
LL |     x //~ ERROR closure cannot assign to immutable argument
   |     ^

error: aborting due to 5 previous errors

Some errors occurred: E0500, E0524, E0595.
For more information about an error, try `rustc --explain E0500`.