rust-clippy/tests/ui/escape_analysis.stderr

error: local variable doesn't need to be boxed here
  --> $DIR/escape_analysis.rs:45:13
   |
45 | fn warn_arg(x: Box<A>) {
   |             ^
   |
   = note: `-D clippy::boxed-local` implied by `-D warnings`

error: local variable doesn't need to be boxed here
   --> $DIR/escape_analysis.rs:137:12
    |
137 | pub fn new(_needs_name: Box<PeekableSeekable<&()>>) -> () {
    |            ^^^^^^^^^^^

error: aborting due to 2 previous errors