use crate::utils::{get_item_name, higher, match_type, paths, snippet, snippet_opt};
use crate::utils::{snippet_with_applicability, span_lint_and_then, walk_ptrs_ty};
use if_chain::if_chain;
+use rustc::declare_lint_pass;
use rustc::hir::intravisit::{walk_expr, NestedVisitorMap, Visitor};
use rustc::hir::*;
use rustc::lint::{LateContext, LateLintPass, LintArray, LintPass};
-use rustc::{declare_lint_pass, declare_tool_lint};
use rustc_errors::Applicability;
+use rustc_session::declare_tool_lint;
use syntax::source_map::Span;
declare_clippy_lint! {