Error when outputting encrypted_bytes.bin and key.txt

[negatifstoner]

thread 'main' panicked at src\main.rs:14:46:
Failed to read file: Os { code: 2, kind: NotFound, message: "The system cannot find the file specified." }
note: run with RUST_BACKTRACE=1 environment variable to display a backtrace
error: process didn't exit successfully: target\debug\crypt.exe (exit code: 101)