Update to Rust 2021 edition

diff --git a/Cargo.toml b/Cargo.toml
index 943a3c4e0295973a2d43f8ba248fb23e08a23ac4..540f8c33a820485af2bc7bf34e5318ff95ba1206 100644 (file)
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,7 +2,7 @@
 name = "hashgood"
 version = "0.2.0"
 authors = ["Thomas Karpiniec <tkarpiniec@icloud.com>"]
-edition = "2018"
+edition = "2021"
 
 [dependencies]
 structopt = "0.3.4"