*[master][~/source/unicorn-trade]$ gulp serve
[12:08:56] Requiring external module babel-register
(node:92796) fs: re-evaluating native module sources is not supported. If you are using the graceful-fs module, please update it to a more recent version.
[12:08:56] Using gulpfile ~/source/unicorn-trade/gulpfile.babel.js
[12:08:56] Starting 'serve'...
[12:08:56] Starting 'serve:clean'...
[12:08:56] Finished 'serve' after 5.12 ms
[12:08:56] Finished 'serve:clean' after 12 ms
[12:08:56] Starting 'serve:index'...
[12:08:56] Finished 'serve:index' after 31 ms
[12:08:56] Starting 'serve:static'...
[12:08:56] Finished 'serve:static' after 15 ms
[12:08:56] Starting 'serve:start'...
options.watchDelay is deprecated: Use 'options.watchOptions.aggregateTimeout' instead
[12:08:56] Finished 'serve:start' after 52 ms
events.js:160
throw er; // Unhandled 'error' event
^
Error: listen EADDRINUSE 0.0.0.0:3000
at Object.exports._errnoException (util.js:1008:11)
at exports._exceptionWithHostPort (util.js:1031:20)
at Server._listen2 (net.js:1253:14)
at listen (net.js:1289:10)
at net.js:1399:9
at _combinedTickCallback (internal/process/next_tick.js:77:11)
at process._tickCallback (internal/process/next_tick.js:98:9)
*[master][~/source/unicorn-trade]$
