[Outputs of Build Script](https://doc.rust-lang.org/cargo/reference/build-scripts.html#outputs-of-the-build-script) states that only files in $OUT_DIR may be modified
[Outputs of Build Script](https://doc.rust-lang.org/cargo/reference/build-scripts.html#outputs-of-the-build-script) states that only files in $OUT_DIR may be modified