message: fixed cargo-miri bug for windows users
diff: @@ -333,17 +333,11 @@ path = "lib.rs"
  None => true,
  Some(target) => target == rustc_version::version_meta().unwrap().host,
  };
  - let mut sysroot = if is_host { dir.join("HOST") } else { PathBuf::from(dir) };
  - if cfg!(target_os = "windows") {
  - // Replace backslashes in path to slashes as they cause problems.
  - // Win10 Powershell can work with slashes in paths.
  - sysroot = PathBuf::from(
  - String::from(sysroot.to_str().unwrap()).replace("\\", "/")
  - );
  - }
  + let sysroot = if is_host { dir.join("HOST") } else { PathBuf::from(dir) };
  +
  std::env::set_var("MIRI_SYSROOT", &sysroot); // pass the env var to the processes we spawn, which will turn it into "--sysroot" flags
  if print_env {
  - println!("MIRI_SYSROOT={}", sysroot.display());
  + println!("MIRI_SYSROOT={:?}", &sysroot); // for Windows users, prints path with backslashes escaped.
  } else if !ask_user {
  println!("A libstd for Miri is now available in `{}`.", sysroot.display());
  }
  