Trap more errors.

lib/roles/device.js

@@ -35,6 +35,12 @@ module.exports = function(options) {
   // Show serial number in logs
   logger.setGlobalIdentifier(options.serial)
 
+  // Panic if necessary
+  Promise.onPossiblyUnhandledRejection(function(err, promise) {
+    log.fatal('Unhandled rejection', err.stack)
+    selfDestruct()
+  })
+
   // Adb
   var adb = Promise.promisifyAll(adbkit.createClient())
 
@@ -210,10 +216,14 @@ module.exports = function(options) {
             })
         })
     })
-    .done(function() {
+    .then(function() {
       log.info('Ready for instructions')
       poke()
     })
+    .catch(function(err) {
+      log.fatal('Setup failed', err.stack)
+      selfDestruct()
+    })
 
   sub.on('message', function(channel, data) {
     var wrapper = wire.Envelope.decode(data)