Incidentally the copy/rename process can run into issues on Windows due to Windows Defender holding a lock on the file which can prevent it being renamed. This

Incidentally the copy/rename process can run into issues on Windows due to Windows Defender holding a lock on the file which can prevent it being renamed. This is an issue for the Rust updater utility: https://github.com/rust-lang/rustup.rs/issues/1436 https://github.com/rust-lang/rustup.rs/issues/1436