use crate::utils::{is_expn_of, match_function_call, paths, span_lint, span_lint_and_sugg};
use if_chain::if_chain;
-use rustc::lint::{LateContext, LateLintPass};
use rustc_errors::Applicability;
use rustc_hir::*;
+use rustc_lint::{LateContext, LateLintPass};
use rustc_session::{declare_lint_pass, declare_tool_lint};
use syntax::ast::LitKind;