error: local variable doesn't need to be boxed here
  --> tests/ui/boxed_local.rs:39:13
   |
LL | fn warn_arg(x: Box<A>) {
   |             ^
   |
   = note: `-D clippy::boxed-local` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::boxed_local)]`

error: local variable doesn't need to be boxed here
  --> tests/ui/boxed_local.rs:122:12
   |
LL | pub fn new(_needs_name: Box<PeekableSeekable<&()>>) -> () {}
   |            ^^^^^^^^^^^

error: local variable doesn't need to be boxed here
  --> tests/ui/boxed_local.rs:187:44
   |
LL |         fn default_impl_x(self: Box<Self>, x: Box<u32>) -> u32 {
   |                                            ^

error: local variable doesn't need to be boxed here
  --> tests/ui/boxed_local.rs:195:16
   |
LL |         fn foo(x: Box<u32>) {}
   |                ^

error: aborting due to 4 previous errors