use std::fmt;

struct Machine {
    serial_number: String,
    build_date: chrono::NaiveDate,
    location: String,
    model_id: uuid::Uuid,
}

impl fmt::Display for Machine {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        write!(
            f,
            "Machine: serial number={}, build date={}, location={}, model id={}",
            self.serial_number, self.build_date, self.location, self.model_id
        )
    }
}

This struct uses the chrono and uuid crates to represent the build date and model ID attributes respectively. The fmt::Display trait is implemented to display the machine's attributes in a readable format.
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