message: Add warn emoji to failure
diff: @@ -15,7 +15,7 @@ use crate::commands::subdomain::Subdomain;
  use crate::http;
  use crate::settings::global_user::GlobalUser;
  use crate::settings::project::Target;
  -use crate::terminal::message;
  +use crate::terminal::{emoji, message};
  pub fn publish(user: &GlobalUser, target: &Target) -> Result<(), failure::Error> {
  info!("workers_dot_dev = {}", target.workers_dot_dev);
  @@ -155,7 +155,8 @@ fn validate_target(target: &Target) -> Result<(), failure::Error> {
  if !missing_fields.is_empty() {
  failure::bail!(
  - "Your wrangler.toml is missing the {} {:?} which {} required to publish to {}!",
  + "{} Your wrangler.toml is missing the {} {:?} which {} required to publish to {}!",
  + emoji::WARN,
  field_pluralization,
  missing_fields,
  is_are,
  