When I run this happens.

[KittenPixel]

["lua_obfuscator.exe", "Input.lua"]
[Obfuscator] Encrypting Constants...
[Obfuscator] Compiling...
[Obfuscator] Reading file...
thread 'main' panicked at 'called Result::unwrap() on an Err value: Os { code: 2, kind: NotFound, message: "The system cannot find the file specified." }', src\main.rs:66:65
note: run with RUST_BACKTRACE=1 environment variable to display a backtrace

[PY44N]

Is the code you want to obfuscate in Input.lua in the directory you are running the command in?