error[E0621]: explicit lifetime required in the type of `v`
  --> $DIR/region-object-lifetime-in-coercion.rs:18:33
   |
LL | fn a(v: &[u8]) -> Box<Foo + 'static> {
   |         ----- help: add explicit lifetime `'static` to the type of `v`: `&'static [u8]`
LL |     let x: Box<Foo + 'static> = Box::new(v);
   |                                 ^^^^^^^^^^^ lifetime `'static` required

error[E0621]: explicit lifetime required in the type of `v`
  --> $DIR/region-object-lifetime-in-coercion.rs:24:5
   |
LL | fn b(v: &[u8]) -> Box<Foo + 'static> {
   |         ----- help: add explicit lifetime `'static` to the type of `v`: `&'static [u8]`
LL |     Box::new(v)
   |     ^^^^^^^^^^^ lifetime `'static` required

error[E0621]: explicit lifetime required in the type of `v`
  --> $DIR/region-object-lifetime-in-coercion.rs:31:5
   |
LL | fn c(v: &[u8]) -> Box<Foo> {
   |         ----- help: add explicit lifetime `'static` to the type of `v`: `&'static [u8]`
...
LL |     Box::new(v)
   |     ^^^^^^^^^^^ lifetime `'static` required

error[E0495]: cannot infer an appropriate lifetime due to conflicting requirements
  --> $DIR/region-object-lifetime-in-coercion.rs:36:14
   |
LL |     Box::new(v)
   |              ^
   |
note: first, the lifetime cannot outlive the lifetime 'a as defined on the function body at 35:6...
  --> $DIR/region-object-lifetime-in-coercion.rs:35:6
   |
LL | fn d<'a,'b>(v: &'a [u8]) -> Box<Foo+'b> {
   |      ^^
   = note: ...so that the expression is assignable:
           expected &[u8]
              found &'a [u8]
note: but, the lifetime must be valid for the lifetime 'b as defined on the function body at 35:9...
  --> $DIR/region-object-lifetime-in-coercion.rs:35:9
   |
LL | fn d<'a,'b>(v: &'a [u8]) -> Box<Foo+'b> {
   |         ^^
   = note: ...so that the expression is assignable:
           expected std::boxed::Box<(dyn Foo + 'b)>
              found std::boxed::Box<dyn Foo>

error: aborting due to 4 previous errors

Some errors occurred: E0495, E0621.
For more information about an error, try `rustc --explain E0495`.