Migrate to 2021 edition

3 files changed, 5 insertions, 4 deletions

diff --git a/alacritty_config_derive/Cargo.toml b/alacritty_config_derive/Cargo.toml
index 8d6d9c4b..afc6b227 100644
--- a/alacritty_config_derive/Cargo.toml
+++ b/alacritty_config_derive/Cargo.toml
@@ -5,7 +5,8 @@ authors = ["Christian Duerr <contact@christianduerr.com>"]
 license = "MIT/Apache-2.0"
 description = "Failure resistant deserialization derive"
 homepage = "https://github.com/alacritty/alacritty"
-edition = "2018"
+edition = "2021"
+rust-version = "1.56.0"
 
 [lib]
 proc-macro = true
diff --git a/alacritty_config_derive/src/de_struct.rs b/alacritty_config_derive/src/de_struct.rs
index 1325cae3..ceb32fd9 100644
--- a/alacritty_config_derive/src/de_struct.rs
+++ b/alacritty_config_derive/src/de_struct.rs
@@ -185,7 +185,7 @@ struct Attr {
 }
 
 impl Parse for Attr {
-    fn parse(input: ParseStream) -> parse::Result<Self> {
+    fn parse(input: ParseStream<'_>) -> parse::Result<Self> {
         let ident = input.parse::<Ident>()?.to_string();
         let param = input.parse::<Token![=]>().and_then(|_| input.parse()).ok();
         Ok(Self { ident, param })
diff --git a/alacritty_config_derive/tests/config.rs b/alacritty_config_derive/tests/config.rs
index 6838a42e..58ad8bd4 100644
--- a/alacritty_config_derive/tests/config.rs
+++ b/alacritty_config_derive/tests/config.rs
@@ -131,7 +131,7 @@ struct Logger {
 }
 
 impl Log for Logger {
-    fn log(&self, record: &Record) {
+    fn log(&self, record: &Record<'_>) {
         assert_eq!(record.target(), env!("CARGO_PKG_NAME"));
 
         match record.level() {
@@ -147,7 +147,7 @@ impl Log for Logger {
         }
     }
 
-    fn enabled(&self, _metadata: &Metadata) -> bool {
+    fn enabled(&self, _metadata: &Metadata<'_>) -> bool {
         true
     }