-target/release/rustfmt --write-mode=overwrite src/lib.rs
-target/release/rustfmt --write-mode=overwrite src/bin/rustfmt.rs
-target/release/rustfmt --write-mode=overwrite src/bin/cargo-fmt.rs
-target/release/rustfmt --write-mode=overwrite tests/system.rs
+target/release/rustfmt src/lib.rs
+target/release/rustfmt src/bin/main.rs
+target/release/rustfmt src/cargo-fmt/main.rs