How to decrease the size of binary?

[lz1998]

Bug Report

Version

[dependencies]
tracing = "0.1"
tracing-subscriber = { version = "0.3", features = [
    "fmt",
    "env-filter",
    "local-time",
] }

Platform

MacOS

Description

Without tracing

main.rs

fn main() {
    println!("Hello, world!");
}

cargo build --release
cd target/release && ll

-rwxr-xr-x   2 lz1998  staff   441K Feb 13 16:51 untitled1*

Tracing Without EnvFilter

main.rs

fn main() {
    println!("Hello, world!");
    tracing_subscriber::fmt()
        .without_time()
        .init();
    tracing::info!("hello");
}

cargo build --release
cd target/release && ll

-rwxr-xr-x   2 lz1998  staff   719K Feb 13 16:50 untitled1*

Tracing With EnvFilter

main.rs

fn main() {
    println!("Hello, world!");
    let env = tracing_subscriber::EnvFilter::from("");
    tracing_subscriber::fmt()
        .with_env_filter(env)
        .without_time()
        .init();
    tracing::info!("hello");
}

cargo build --release
cd target/release && ll

-rwxr-xr-x   2 lz1998  staff   1.8M Feb 13 16:44 untitled1*