error[E0308]: mismatched types
  --> $DIR/variadic-ffi-4.rs:8:5
   |
LL |     ap
   |     ^^ lifetime mismatch
   |
   = note: expected struct `core::ffi::VaListImpl<'f>`
              found struct `core::ffi::VaListImpl<'_>`
note: the scope of call-site for function at 7:78...
  --> $DIR/variadic-ffi-4.rs:7:78
   |
LL |   pub unsafe extern "C" fn no_escape0<'f>(_: usize, ap: ...) -> VaListImpl<'f> {
   |  ______________________________________________________________________________^
LL | |     ap
LL | | }
   | |_^
note: ...does not necessarily outlive the lifetime `'f` as defined on the function body at 7:37
  --> $DIR/variadic-ffi-4.rs:7:37
   |
LL | pub unsafe extern "C" fn no_escape0<'f>(_: usize, ap: ...) -> VaListImpl<'f> {
   |                                     ^^

error[E0308]: mismatched types
  --> $DIR/variadic-ffi-4.rs:12:5
   |
LL |     ap
   |     ^^ lifetime mismatch
   |
   = note: expected struct `core::ffi::VaListImpl<'static>`
              found struct `core::ffi::VaListImpl<'_>`
note: the scope of call-site for function at 11:79...
  --> $DIR/variadic-ffi-4.rs:11:79
   |
LL |   pub unsafe extern "C" fn no_escape1(_: usize, ap: ...) -> VaListImpl<'static> {
   |  _______________________________________________________________________________^
LL | |     ap
LL | | }
   | |_^
   = note: ...does not necessarily outlive the static lifetime

error[E0495]: cannot infer an appropriate lifetime due to conflicting requirements
  --> $DIR/variadic-ffi-4.rs:16:33
   |
LL |     let _ = ap.with_copy(|ap| { ap });
   |                                 ^^
   |
note: first, the lifetime cannot outlive the anonymous lifetime #2 defined on the body at 16:26...
  --> $DIR/variadic-ffi-4.rs:16:26
   |
LL |     let _ = ap.with_copy(|ap| { ap });
   |                          ^^^^^^^^^^^
   = note: ...so that the expression is assignable:
           expected core::ffi::VaList<'_, '_>
              found core::ffi::VaList<'_, '_>
note: but, the lifetime must be valid for the method call at 16:13...
  --> $DIR/variadic-ffi-4.rs:16:13
   |
LL |     let _ = ap.with_copy(|ap| { ap });
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^
note: ...so type `core::ffi::VaList<'_, '_>` of expression is valid during the expression
  --> $DIR/variadic-ffi-4.rs:16:13
   |
LL |     let _ = ap.with_copy(|ap| { ap });
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^

error[E0308]: mismatched types
  --> $DIR/variadic-ffi-4.rs:20:12
   |
LL |     *ap0 = ap1;
   |            ^^^ lifetime mismatch
   |
   = note: expected struct `core::ffi::VaListImpl<'_>`
              found struct `core::ffi::VaListImpl<'_>`
note: the scope of call-site for function at 19:87...
  --> $DIR/variadic-ffi-4.rs:19:87
   |
LL |   pub unsafe extern "C" fn no_escape3(_: usize, mut ap0: &mut VaListImpl, mut ap1: ...) {
   |  _______________________________________________________________________________________^
LL | |     *ap0 = ap1;
LL | | }
   | |_^
note: ...does not necessarily outlive the anonymous lifetime #2 defined on the function body at 19:1
  --> $DIR/variadic-ffi-4.rs:19:1
   |
LL | / pub unsafe extern "C" fn no_escape3(_: usize, mut ap0: &mut VaListImpl, mut ap1: ...) {
LL | |     *ap0 = ap1;
LL | | }
   | |_^

error[E0490]: a value of type `core::ffi::VaListImpl<'_>` is borrowed for too long
  --> $DIR/variadic-ffi-4.rs:24:11
   |
LL |     ap0 = &mut ap1;
   |           ^^^^^^^^
   |
note: the type is valid for the anonymous lifetime #1 defined on the function body at 23:1
  --> $DIR/variadic-ffi-4.rs:23:1
   |
LL | / pub unsafe extern "C" fn no_escape4(_: usize, ap0: &mut VaListImpl, mut ap1: ...) {
LL | |     ap0 = &mut ap1;
LL | |
LL | |
LL | |
LL | | }
   | |_^
note: but the borrow lasts for the scope of call-site for function at 23:83
  --> $DIR/variadic-ffi-4.rs:23:83
   |
LL |   pub unsafe extern "C" fn no_escape4(_: usize, ap0: &mut VaListImpl, mut ap1: ...) {
   |  ___________________________________________________________________________________^
LL | |     ap0 = &mut ap1;
LL | |
LL | |
LL | |
LL | | }
   | |_^

error[E0308]: mismatched types
  --> $DIR/variadic-ffi-4.rs:24:11
   |
LL |     ap0 = &mut ap1;
   |           ^^^^^^^^ lifetime mismatch
   |
   = note: expected mutable reference `&mut core::ffi::VaListImpl<'_>`
              found mutable reference `&mut core::ffi::VaListImpl<'_>`
note: the scope of call-site for function at 23:83...
  --> $DIR/variadic-ffi-4.rs:23:83
   |
LL |   pub unsafe extern "C" fn no_escape4(_: usize, ap0: &mut VaListImpl, mut ap1: ...) {
   |  ___________________________________________________________________________________^
LL | |     ap0 = &mut ap1;
LL | |
LL | |
LL | |
LL | | }
   | |_^
note: ...does not necessarily outlive the anonymous lifetime #2 defined on the function body at 23:1
  --> $DIR/variadic-ffi-4.rs:23:1
   |
LL | / pub unsafe extern "C" fn no_escape4(_: usize, ap0: &mut VaListImpl, mut ap1: ...) {
LL | |     ap0 = &mut ap1;
LL | |
LL | |
LL | |
LL | | }
   | |_^

error[E0495]: cannot infer an appropriate lifetime for borrow expression due to conflicting requirements
  --> $DIR/variadic-ffi-4.rs:24:11
   |
LL |     ap0 = &mut ap1;
   |           ^^^^^^^^
   |
note: first, the lifetime cannot outlive the scope of call-site for function at 23:83...
  --> $DIR/variadic-ffi-4.rs:23:83
   |
LL |   pub unsafe extern "C" fn no_escape4(_: usize, ap0: &mut VaListImpl, mut ap1: ...) {
   |  ___________________________________________________________________________________^
LL | |     ap0 = &mut ap1;
LL | |
LL | |
LL | |
LL | | }
   | |_^
note: ...so that the type `core::ffi::VaListImpl<'_>` is not borrowed for too long
  --> $DIR/variadic-ffi-4.rs:24:11
   |
LL |     ap0 = &mut ap1;
   |           ^^^^^^^^
note: but, the lifetime must be valid for the anonymous lifetime #1 defined on the function body at 23:1...
  --> $DIR/variadic-ffi-4.rs:23:1
   |
LL | / pub unsafe extern "C" fn no_escape4(_: usize, ap0: &mut VaListImpl, mut ap1: ...) {
LL | |     ap0 = &mut ap1;
LL | |
LL | |
LL | |
LL | | }
   | |_^
note: ...so that reference does not outlive borrowed content
  --> $DIR/variadic-ffi-4.rs:24:11
   |
LL |     ap0 = &mut ap1;
   |           ^^^^^^^^

error[E0308]: mismatched types
  --> $DIR/variadic-ffi-4.rs:31:12
   |
LL |     *ap0 = ap1.clone();
   |            ^^^^^^^^^^^ lifetime mismatch
   |
   = note: expected struct `core::ffi::VaListImpl<'_>`
              found struct `core::ffi::VaListImpl<'_>`
note: the scope of call-site for function at 30:87...
  --> $DIR/variadic-ffi-4.rs:30:87
   |
LL |   pub unsafe extern "C" fn no_escape5(_: usize, mut ap0: &mut VaListImpl, mut ap1: ...) {
   |  _______________________________________________________________________________________^
LL | |     *ap0 = ap1.clone();
LL | | }
   | |_^
note: ...does not necessarily outlive the anonymous lifetime #2 defined on the function body at 30:1
  --> $DIR/variadic-ffi-4.rs:30:1
   |
LL | / pub unsafe extern "C" fn no_escape5(_: usize, mut ap0: &mut VaListImpl, mut ap1: ...) {
LL | |     *ap0 = ap1.clone();
LL | | }
   | |_^

error: aborting due to 8 previous errors

Some errors have detailed explanations: E0308, E0495.
For more information about an error, try `rustc --explain E0308`.