From d11d1afa64ca2c29747074bce0f7bb2278b5ae66 Mon Sep 17 00:00:00 2001
From: Hirokazu Hata <h.hata.ai.t@gmail.com>
Date: Mon, 4 Feb 2019 00:45:42 +0900
Subject: [PATCH] Transition rustdoc-theme to 2018 edition

---
 src/tools/rustdoc-themes/Cargo.toml | 1 +
 src/tools/rustdoc-themes/main.rs    | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/src/tools/rustdoc-themes/Cargo.toml b/src/tools/rustdoc-themes/Cargo.toml
index c0e2f527301be..c12a20fd56c7b 100644
--- a/src/tools/rustdoc-themes/Cargo.toml
+++ b/src/tools/rustdoc-themes/Cargo.toml
@@ -2,6 +2,7 @@
 name = "rustdoc-themes"
 version = "0.1.0"
 authors = ["Guillaume Gomez <guillaume1.gomez@gmail.com>"]
+edition = "2018"
 
 [[bin]]
 name = "rustdoc-themes"
diff --git a/src/tools/rustdoc-themes/main.rs b/src/tools/rustdoc-themes/main.rs
index 616b5444832c1..63432a6585a84 100644
--- a/src/tools/rustdoc-themes/main.rs
+++ b/src/tools/rustdoc-themes/main.rs
@@ -1,3 +1,5 @@
+#![deny(rust_2018_idioms)]
+
 use std::env::args;
 use std::fs::read_dir;
 use std::path::Path;