hyper-util panic when http2 is disabled

[paolobarbolini]

Cargo.toml

[package]
name = "reqwest-test"
version = "0.1.0"
edition = "2021"

[dependencies]
tokio = { version = "1", features = ["macros", "rt"] }
# same with `native-tls-alpn`
reqwest = { version = "=0.12.0", default-features = false, features = ["rustls-tls-native-roots"] }

src/main.rs

#[tokio::main(flavor = "current_thread")]
async fn main() {
    let text = reqwest::get("https://www.cloudflare.com/cdn-cgi/trace")
        .await
        .unwrap()
        .text()
        .await
        .unwrap();
    println!("{text}");
}

Output

thread 'main' panicked at /home/<redacted>/.cargo/registry/src/index.crates.io-6f17d22bba15001f/hyper-util-0.1.3/src/client/legacy/client.rs:554:33:
http2 feature is not enabled
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

[paolobarbolini]

I'm looking into what's causing it. I haven't seen how hyper v1 works yet and I'm curious to learn.