In a fresh install of 1.72.0 there are some `.old` files: ``` /opt/rustc-1.72.0/share/doc/rustc-1.72.0/README.md.old /opt/rustc-1.72.0/share/doc/rustc-1.72.0/LICENSE-MIT.old /opt/rustc-1.72.0/share/doc/rustc-1.72.0/LICENSE-APACHE.old /opt/rustc-1.72.0/bin/cargo-fmt.old /opt/rustc-1.72.0/bin/cargo-clippy.old /opt/rustc-1.72.0/bin/rustfmt.old /opt/rustc-1.72.0/bin/clippy-driver.old /etc/bash_completion.d/cargo.old ``` The same thing happens with 1.71.1.