// ignore-tidy-linelength extern crate run_make_support; use std::path::PathBuf; use run_make_support::{aux_build, rustc}; fn main() { aux_build() .arg("--emit=metadata") .arg("stable.rs") .run(); let mut stable_path = PathBuf::from(env!("TMPDIR")); stable_path.push("libstable.rmeta"); let output = rustc() .arg("--emit=metadata") .arg("--extern") .arg(&format!("stable={}", &stable_path.to_string_lossy())) .arg("main.rs") .run(); let stderr = String::from_utf8_lossy(&output.stderr); let version = include_str!(concat!(env!("S"), "/src/version")); let expected_string = format!("stable since {}", version.trim()); assert!(stderr.contains(&expected_string)); }