Trying subsecond and: Ignoring hotpatch since there is no ASLR reference. What does it mean?

[frederikhors]

I'm trying for the first time https://docs.rs/subsecond/0.7.0-alpha.0/subsecond/index.html.

I have a small-size project (86642 lines of Rust code).

I changed this function:

impl Player {
    pub fn to_css(&self, css_source: &str) -> Result<String> {
        let result = css_source
            .replace("{{number}}", &self.number.to_string())
            .replace("{{height}}", &calculate_height(&self));

        Ok(result)
    }
}

to this:

impl Player {
    pub fn to_css(&self, css_source: &str) -> Result<String> {
        subsecond::call(|| {
            let result = css_source
                .replace("{{number}}", &self.number.to_string())
                .replace("{{height}}", &calculate_height(&self));

            Ok(result)
        })
    }
}

and launched this:

cargo binstall [email protected]

and then:

dx serve --package app --hotpatch

after a few moments it starts and axum is listening on its 8080 port. Good!

Then I change one line in the to_css function and boom:

[dev] Ignoring hotpatch since there is no ASLR reference. Is the client connected?

What does it mean?