liballoc => edition = 2018.

Centril · Centril · commit 5594b0d5b892 · 2019-02-02T08:36:03.000+01:00
diff --git a/src/liballoc/Cargo.toml b/src/liballoc/Cargo.toml
@@ -4,6 +4,7 @@ name = "alloc"
 version = "0.0.0"
 autotests = false
 autobenches = false
+edition = "2018"
 
 [lib]
 name = "alloc"
