-use rustc::lint::builtin::UNUSED_ATTRIBUTES;
-use rustc::lint::{EarlyContext, EarlyLintPass, LateContext, LateLintPass, LintContext};
+use crate::{EarlyContext, EarlyLintPass, LateContext, LateLintPass, LintContext};
use rustc::ty::adjustment;
use rustc::ty::{self, Ty};
use rustc_data_structures::fx::FxHashMap;
use rustc_hir as hir;
use rustc_hir::def::{DefKind, Res};
use rustc_hir::def_id::DefId;
+use rustc_session::lint::builtin::UNUSED_ATTRIBUTES;
use rustc_span::symbol::Symbol;
use rustc_span::symbol::{kw, sym};
use rustc_span::{BytePos, Span};