Update to 2021 edition

dtolnay · dtolnay · commit e237fc5cacea · 2025-12-14T08:53:14.000-08:00
diff --git a/fuzz/Cargo.toml b/fuzz/Cargo.toml
@@ -2,7 +2,7 @@
 name = "trybuild-fuzz"
 version = "0.0.0"
 authors = ["David Tolnay <dtolnay@gmail.com>"]
-edition = "2018"
+edition = "2021"
 publish = false
 
 [package.metadata]
