note: external requirements
  --> $DIR/ty-param-closure-outlives-from-where-clause.rs:27:26
   |
LL |     with_signature(a, b, |x, y| {
   |                          ^^^^^^
   |
   = note: defining type: no_region::<T>::{closure#0} with closure args [
               i32,
               extern "rust-call" fn((std::cell::Cell<&'?1 ()>, T)),
               (),
           ]
   = note: late-bound region is '?2
   = note: number of external vids: 3
   = note: where T: '?1

note: no external requirements
  --> $DIR/ty-param-closure-outlives-from-where-clause.rs:26:1
   |
LL | fn no_region<'a, T>(a: Cell<&'a ()>, b: T) {
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: defining type: no_region::<T>

error[E0309]: the parameter type `T` may not live long enough
  --> $DIR/ty-param-closure-outlives-from-where-clause.rs:32:9
   |
LL | fn no_region<'a, T>(a: Cell<&'a ()>, b: T) {
   |              -- the parameter type `T` must be valid for the lifetime `'a` as defined here...
...
LL |         require(&x, &y)
   |         ^^^^^^^^^^^^^^^ ...so that the type `T` will meet its required lifetime bounds
   |
help: consider adding an explicit lifetime bound
   |
LL | fn no_region<'a, T: 'a>(a: Cell<&'a ()>, b: T) {
   |                   ++++

note: external requirements
  --> $DIR/ty-param-closure-outlives-from-where-clause.rs:42:26
   |
LL |     with_signature(a, b, |x, y| {
   |                          ^^^^^^
   |
   = note: defining type: correct_region::<'?1, T>::{closure#0} with closure args [
               i32,
               extern "rust-call" fn((std::cell::Cell<&'?2 ()>, T)),
               (),
           ]
   = note: number of external vids: 3
   = note: where T: '?2

note: no external requirements
  --> $DIR/ty-param-closure-outlives-from-where-clause.rs:38:1
   |
LL | / fn correct_region<'a, T>(a: Cell<&'a ()>, b: T)
LL | | where
LL | |     T: 'a,
   | |__________^
   |
   = note: defining type: correct_region::<'?1, T>

note: external requirements
  --> $DIR/ty-param-closure-outlives-from-where-clause.rs:63:26
   |
LL |     with_signature(a, b, |x, y| {
   |                          ^^^^^^
   |
   = note: defining type: wrong_region::<'?1, T>::{closure#0} with closure args [
               i32,
               extern "rust-call" fn((std::cell::Cell<&'?2 ()>, T)),
               (),
           ]
   = note: late-bound region is '?3
   = note: number of external vids: 4
   = note: where T: '?2

note: no external requirements
  --> $DIR/ty-param-closure-outlives-from-where-clause.rs:59:1
   |
LL | / fn wrong_region<'a, 'b, T>(a: Cell<&'a ()>, b: T)
LL | | where
LL | |     T: 'b,
   | |__________^
   |
   = note: defining type: wrong_region::<'?1, T>

error[E0309]: the parameter type `T` may not live long enough
  --> $DIR/ty-param-closure-outlives-from-where-clause.rs:65:9
   |
LL | fn wrong_region<'a, 'b, T>(a: Cell<&'a ()>, b: T)
   |                 -- the parameter type `T` must be valid for the lifetime `'a` as defined here...
...
LL |         require(&x, &y)
   |         ^^^^^^^^^^^^^^^ ...so that the type `T` will meet its required lifetime bounds
   |
help: consider adding an explicit lifetime bound
   |
LL |     T: 'b + 'a,
   |           ++++

note: external requirements
  --> $DIR/ty-param-closure-outlives-from-where-clause.rs:76:26
   |
LL |     with_signature(a, b, |x, y| {
   |                          ^^^^^^
   |
   = note: defining type: outlives_region::<'?1, '?2, T>::{closure#0} with closure args [
               i32,
               extern "rust-call" fn((std::cell::Cell<&'?3 ()>, T)),
               (),
           ]
   = note: number of external vids: 4
   = note: where T: '?3

note: no external requirements
  --> $DIR/ty-param-closure-outlives-from-where-clause.rs:71:1
   |
LL | / fn outlives_region<'a, 'b, T>(a: Cell<&'a ()>, b: T)
LL | | where
LL | |     T: 'b,
LL | |     'b: 'a,
   | |___________^
   |
   = note: defining type: outlives_region::<'?1, '?2, T>

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0309`.