``` $ cargo build Compiling clippy_lints v0.0.99 error[E0308]: mismatched types --> clippy_lints/src/len_zero.rs:71:86 | 71 | ItemImpl(_, _, _, None, _, ref impl_items) => check_impl_items(cx, item, impl_items), | ^^^^^^^^^^ expected slice, found struct `syntax::ptr::P` | = note: expected type `&[rustc::hir::ImplItem]` = note: found type `&syntax::ptr::P<[rustc::hir::ImplItemRef]>` error: aborting due to previous error error: Could not compile `clippy_lints`. To learn more, run the command again with --verbose. $ rustc --version rustc 1.15.0-nightly (ac635aa95 2016-11-18) ```