abort on "test unexpectedly fixed" warning
require! <[ stream stream-snitch colors escape-string-regexp ]>
pty = require \pty.js
-export ERROR = /(ford: |\r\x1b\[K\/~)/
+export ERROR = /((ford|warn): |\r\x1b\[K\/~)/
export class Urbit
(args)->
@stdout = process.stdout # overridable
