error: lifetime may not live long enough
  --> $DIR/suggest-lt-on-ty-alias-w-generics.rs:4:5
   |
LL |   fn test(x: &i32) -> Lazy<i32> {
   |              - let's call the lifetime of this reference `'1`
LL | /     Box::new(|| {
LL | |
LL | |
LL | |         *x
LL | |     })
   | |______^ returning this value requires that `'1` must outlive `'static`
   |
help: to declare that the trait object captures data from argument `x`, you can add a lifetime parameter `'a` in the type alias
   |
LL | type Lazy<'a, T> = Box<dyn Fn() -> T + 'a>;
   |           +++                          ~~

error[E0373]: closure may outlive the current function, but it borrows `x`, which is owned by the current function
  --> $DIR/suggest-lt-on-ty-alias-w-generics.rs:4:14
   |
LL |     Box::new(|| {
   |              ^^ may outlive borrowed value `x`
...
LL |         *x
   |         -- `x` is borrowed here
   |
note: closure is returned here
  --> $DIR/suggest-lt-on-ty-alias-w-generics.rs:4:5
   |
LL | /     Box::new(|| {
LL | |
LL | |
LL | |         *x
LL | |     })
   | |______^
help: to force the closure to take ownership of `x` (and any other referenced variables), use the `move` keyword
   |
LL |     Box::new(move || {
   |              ++++

error: aborting due to 2 previous errors

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