Rollup merge of rust-lang#58287 - taiki-e:rustc-std-workspace-core-20…

…18, r=alexcrichton rustc-std-workspace-core => 2018 Transitions `rustc-std-workspace-core` to Rust 2018; cc rust-lang#58099 r? @alexcrichton
Centril · Feb 12, 2019 · 95ffa78 · 95ffa78
2 parents 3ca1b70 + aa775a5
commit 95ffa78
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diff --git a/src/tools/rustc-std-workspace-core/Cargo.toml b/src/tools/rustc-std-workspace-core/Cargo.toml
@@ -6,6 +6,7 @@ license = 'MIT/Apache-2.0'
 description = """
 Hack for the compiler's own build system
 """
+edition = "2018"
 
 [lib]
 path = "lib.rs"

diff --git a/src/tools/rustc-std-workspace-core/lib.rs b/src/tools/rustc-std-workspace-core/lib.rs
@@ -1,6 +1,5 @@
 #![feature(no_core)]
 #![no_core]
-
-extern crate core;
+#![deny(rust_2018_idioms)]
 
 pub use core::*;