chore: update to Rust edition 2021 (#12578)

5 files changed, 1 insertions, 7 deletions

diff --git a/serde_v8/Cargo.toml b/serde_v8/Cargo.toml
index ac5d26575..dbb636e0e 100644
--- a/serde_v8/Cargo.toml
+++ b/serde_v8/Cargo.toml
@@ -3,7 +3,7 @@
 name = "serde_v8"
 version = "0.16.0"
 authors = ["the Deno authors"]
-edition = "2018"
+edition = "2021"
 license = "MIT"
 readme = "README.md"
 repository = "https://github.com/denoland/deno"
diff --git a/serde_v8/benches/de.rs b/serde_v8/benches/de.rs
index d800a39a5..83a46eb4e 100644
--- a/serde_v8/benches/de.rs
+++ b/serde_v8/benches/de.rs
@@ -1,8 +1,6 @@
 // Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
 use bencher::{benchmark_group, benchmark_main, Bencher};
 
-use std::convert::TryFrom;
-
 use serde::Deserialize;
 
 use serde_v8::utils::{js_exec, v8_do};
diff --git a/serde_v8/src/de.rs b/serde_v8/src/de.rs
index 14edfec03..f803ab381 100644
--- a/serde_v8/src/de.rs
+++ b/serde_v8/src/de.rs
@@ -2,8 +2,6 @@
 use serde::de::{self, Visitor};
 use serde::Deserialize;
 
-use std::convert::TryFrom;
-
 use crate::error::{Error, Result};
 use crate::keys::{v8_struct_key, KeyCache};
 use crate::payload::ValueType;
diff --git a/serde_v8/src/ser.rs b/serde_v8/src/ser.rs
index 386e46019..d3853f1a3 100644
--- a/serde_v8/src/ser.rs
+++ b/serde_v8/src/ser.rs
@@ -3,7 +3,6 @@ use serde::ser;
 use serde::ser::Serialize;
 
 use std::cell::RefCell;
-use std::convert::TryInto;
 
 use crate::error::{Error, Result};
 use crate::keys::v8_struct_key;
diff --git a/serde_v8/tests/magic.rs b/serde_v8/tests/magic.rs
index 15b318baf..036fc5239 100644
--- a/serde_v8/tests/magic.rs
+++ b/serde_v8/tests/magic.rs
@@ -3,7 +3,6 @@ use serde::{Deserialize, Serialize};
 
 use serde_v8::utils::{js_exec, v8_do};
 use serde_v8::Result;
-use std::convert::TryFrom;
 
 #[derive(Deserialize)]
 struct MagicOp<'s> {