1 2 3 4 5 6 7 8 9 10
use chrono::Utc; fn main() { let build_time = Utc::now(); let build_number = build_time.format("%Y%m%d%H%M%S").to_string(); println!("cargo:rustc-env=BUILD_NUMBER={}", build_number); println!("cargo:rerun-if-changed=build.rs"); }