cargoでdenoをインストールできない。

Question

#前提
Arm64 Ubuntu20
#現状
sudo cargo install deno --locked
を実行すると

sudo: /etc/sudo.conf is group writable
sudo: /etc/sudo.conf is group writable
Updating crates.io index
Downloaded deno v1.16.2
error: failed to parse manifest at `/root/.cargo/registry/src/github.com-1ecc6299db9ec823/deno-1.16.2/Cargo.toml

Caused by:
feature edition2021 is required

consider adding cargo-features = ["edition2021"] to the manifest
sudo: /etc/sudo.conf is group writable
sudo: /etc/sudo.conf is group writable
Updating crates.io index
Downloaded deno v1.16.2
error: failed to parse manifest at /root/.cargo/registry/src/github.com-1ecc6299db9ec823/deno-1.16.2/Cargo.toml

Caused by:
feature edition2021 is required

consider adding cargo-features = ["edition2021"] to the manifest

とエラーになりインストールできません。
どうすればいいですか