error[E0373]: closure may outlive the current block, but it borrows `p`, which is owned by the current block
  --> $DIR/borrowck-3.rs:11:9
   |
LL |         || {
   |         ^^ may outlive borrowed value `p`
LL |            let x = &mut p.x;
LL |            println!("{:?}", p);
   |                             - `p` is borrowed here
   |
note: block requires argument type to outlive `'1`
  --> $DIR/borrowck-3.rs:9:9
   |
LL |     let mut c = {
   |         ^^^^^
help: to force the closure to take ownership of `p` (and any other referenced variables), use the `move` keyword
   |
LL |         move || {
   |         ++++

error: aborting due to 1 previous error

For more information about this error, try `rustc --explain E0373`.