Build on nightly failing

Created by: syepes

Hello,

Are there any plans on upgrading the "clippy" dependency? this is making the nightly build fail:

Env:

nightly-x86_64-unknown-linux-gnu (default)
rustc 1.14.0-nightly (9c31d76e9 2016-10-03)

Build:

Compiling clippy_lints v0.0.85
error[E0252]: a type named `TyArray` has already been imported in this module
 --> /home/syepesfernandez/.cargo/registry/src/github.com-1ecc6299db9ec823/clippy_lints-0.0.85/src/array_indexing.rs:7:5
  |
3 | use rustc::ty::TyArray;
  |     ------------------ previous import of `TyArray` here`