error[E0621]: explicit lifetime required in the type of `x`
  --> $DIR/closure-bounds-static-cant-capture-borrowed.rs:5:5
   |
LL | /     bar(|| {
LL | |
LL | |         let _ = x;
LL | |     })
   | |______^ lifetime `'static` required

error[E0373]: closure may outlive the current function, but it borrows `x`, which is owned by the current function
  --> $DIR/closure-bounds-static-cant-capture-borrowed.rs:5:9
   |
LL |     bar(|| {
   |         ^^ may outlive borrowed value `x`
LL |
LL |         let _ = x;
   |                 - `x` is borrowed here
   |
note: function requires argument type to outlive `'static`
  --> $DIR/closure-bounds-static-cant-capture-borrowed.rs:5:5
   |
LL | /     bar(|| {
LL | |
LL | |         let _ = x;
LL | |     })
   | |______^
help: to force the closure to take ownership of `x` (and any other referenced variables), use the `move` keyword
   |
LL |     bar(move || {
   |         ++++

error: aborting due to 2 previous errors

Some errors have detailed explanations: E0373, E0621.
For more information about an error, try `rustc --explain E0373`.