Fix `cargo fix --edition` on stable.
Fix `cargo fix --edition` on stable.

rust-lang/cargo,nipunn1313/cargo,eminence/cargo,rust-lang/cargo,rustyhorde/cargo,eminence/cargo,eminence/cargo,nipunn1313/cargo,rustyhorde/cargo,nipunn1313/cargo,eminence/cargo,nipunn1313/cargo,rust-lang/cargo,rustyhorde/cargo,rust-lang/cargo,rustyhorde/cargo