Rollup merge of rust-lang#58285 - taiki-e:error_index_generator-2018,…

… r=Centril error_index_generator => 2018 Transitions `error_index_generator` to Rust 2018; cc rust-lang#58099 r? @Centril
Centril · Feb 8, 2019 · 5e208f6 · 5e208f6
2 parents 9708644 + efa8fb0
commit 5e208f6
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diff --git a/src/tools/error_index_generator/Cargo.toml b/src/tools/error_index_generator/Cargo.toml
@@ -2,6 +2,7 @@
 authors = ["The Rust Project Developers"]
 name = "error_index_generator"
 version = "0.0.0"
+edition = "2018"
 
 [dependencies]
 rustdoc = { path = "../../librustdoc" }

diff --git a/src/tools/error_index_generator/main.rs b/src/tools/error_index_generator/main.rs
@@ -1,8 +1,9 @@
 #![feature(rustc_private)]
 
+#![deny(rust_2018_idioms)]
+
 extern crate env_logger;
 extern crate syntax;
-extern crate rustdoc;
 extern crate serialize as rustc_serialize;
 
 use std::collections::BTreeMap;