Python:3.6.6
Django:2.1.1

Djangoのチュートリアル(djangogirls)をやっていて、↓のページまで進めましたが、デプロイしたページを開いてもApplication errorと表示されます。
https://djangogirlsjapan.gitbooks.io/workshop_tutorialjp/content/deploy/

heroku logs --tailを実行して出たログは以下です。

解決方法をご教示いただけるとありがたいです。よろしくお願いいたします。

2018-09-02T14:35:22.077785+00:00 app[web.1]: [2018-09-02 14:35:22 +0000] [4] [INFO] Starting gunicorn 19.9.0
2018-09-02T14:35:22.078741+00:00 app[web.1]: [2018-09-02 14:35:22 +0000] [4] [INFO] Listening at: http://0.0.0.0:55029 (4)
2018-09-02T14:35:22.078951+00:00 app[web.1]: [2018-09-02 14:35:22 +0000] [4] [INFO] Using worker: sync
2018-09-02T14:35:22.084762+00:00 app[web.1]: [2018-09-02 14:35:22 +0000] [8] [INFO] Booting worker with pid: 8
2018-09-02T14:35:22.152153+00:00 app[web.1]: [2018-09-02 14:35:22 +0000] [9] [INFO] Booting worker with pid: 9
2018-09-02T14:35:22.511114+00:00 app[web.1]: /app/.heroku/python/lib/python3.6/site-packages/psycopg2/__init__.py:144: UserWarning: The psycopg2 wheel package will be renamed from release 2.8; in order to keep installing from binary please use "pip install psycopg2-binary" instead. For details see: <http://initd.org/psycopg/docs/install.html#binary-install-from-pypi>.
2018-09-02T14:35:22.511143+00:00 app[web.1]: """)
2018-09-02T14:35:22.601322+00:00 app[web.1]: /app/.heroku/python/lib/python3.6/site-packages/psycopg2/__init__.py:144: UserWarning: The psycopg2 wheel package will be renamed from release 2.8; in order to keep installing from binary please use "pip install psycopg2-binary" instead. For details see: <http://initd.org/psycopg/docs/install.html#binary-install-from-pypi>.
2018-09-02T14:35:22.601326+00:00 app[web.1]: """)
2018-09-02T14:35:22.606665+00:00 app[web.1]: [2018-09-02 23:35:22 +0900] [8] [ERROR] Exception in worker process
2018-09-02T14:35:22.606669+00:00 app[web.1]: Traceback (most recent call last):
2018-09-02T14:35:22.606672+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/arbiter.py", line 583, in spawn_worker
2018-09-02T14:35:22.606674+00:00 app[web.1]: worker.init_process()
2018-09-02T14:35:22.606675+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/workers/base.py", line 129, in init_process
2018-09-02T14:35:22.606677+00:00 app[web.1]: self.load_wsgi()
2018-09-02T14:35:22.606678+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/workers/base.py", line 138, in load_wsgi
2018-09-02T14:35:22.606680+00:00 app[web.1]: self.wsgi = self.app.wsgi()
2018-09-02T14:35:22.606682+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/app/base.py", line 67, in wsgi
2018-09-02T14:35:22.606683+00:00 app[web.1]: self.callable = self.load()
2018-09-02T14:35:22.606685+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/app/wsgiapp.py", line 52, in load
2018-09-02T14:35:22.606687+00:00 app[web.1]: return self.load_wsgiapp()
2018-09-02T14:35:22.606688+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/app/wsgiapp.py", line 41, in load_wsgiapp
2018-09-02T14:35:22.606690+00:00 app[web.1]: return util.import_app(self.app_uri)
2018-09-02T14:35:22.606691+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/util.py", line 350, in import_app
2018-09-02T14:35:22.606693+00:00 app[web.1]: __import__(module)
2018-09-02T14:35:22.606695+00:00 app[web.1]: File "/app/mysite/wsgi.py", line 18, in <module>
2018-09-02T14:35:22.606696+00:00 app[web.1]: from whitenoise.django import DjangoWhiteNoise
2018-09-02T14:35:22.606700+00:00 app[web.1]: '\n\n'
2018-09-02T14:35:22.606701+00:00 app[web.1]: ImportError:
2018-09-02T14:35:22.606698+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/whitenoise/django.py", line 2, in <module>
2018-09-02T14:35:22.606703+00:00 app[web.1]: 
2018-09-02T14:35:22.606704+00:00 app[web.1]: Your WhiteNoise configuration is incompatible with WhiteNoise v4.0
2018-09-02T14:35:22.606706+00:00 app[web.1]: This can be fixed by following the upgrade instructions at:
2018-09-02T14:35:22.606709+00:00 app[web.1]: 
2018-09-02T14:35:22.750628+00:00 app[web.1]: Traceback (most recent call last):
2018-09-02T14:35:22.606716+00:00 app[web.1]: 
2018-09-02T14:35:22.750640+00:00 app[web.1]: self.wsgi = self.app.wsgi()
2018-09-02T14:35:22.607152+00:00 app[web.1]: [2018-09-02 23:35:22 +0900] [8] [INFO] Worker exiting (pid: 8)
2018-09-02T14:35:22.750636+00:00 app[web.1]: self.load_wsgi()
2018-09-02T14:35:22.750630+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/arbiter.py", line 583, in spawn_worker
2018-09-02T14:35:22.750653+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/util.py", line 350, in import_app
2018-09-02T14:35:22.750660+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/whitenoise/django.py", line 2, in <module>
2018-09-02T14:35:22.606708+00:00 app[web.1]: http://whitenoise.evans.io/en/stable/changelog.html#v4-0
2018-09-02T14:35:22.750646+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/app/wsgiapp.py", line 52, in load
2018-09-02T14:35:22.750633+00:00 app[web.1]: worker.init_process()
2018-09-02T14:35:22.750624+00:00 app[web.1]: [2018-09-02 23:35:22 +0900] [9] [ERROR] Exception in worker process
2018-09-02T14:35:22.750642+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/app/base.py", line 67, in wsgi
2018-09-02T14:35:22.750649+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/app/wsgiapp.py", line 41, in load_wsgiapp
2018-09-02T14:35:22.750662+00:00 app[web.1]: '\n\n'
2018-09-02T14:35:22.750679+00:00 app[web.1]: 
2018-09-02T14:35:22.750948+00:00 app[web.1]: [2018-09-02 23:35:22 +0900] [9] [INFO] Worker exiting (pid: 9)
2018-09-02T14:35:22.750638+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/workers/base.py", line 138, in load_wsgi
2018-09-02T14:35:22.750644+00:00 app[web.1]: self.callable = self.load()
2018-09-02T14:35:22.750634+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/workers/base.py", line 129, in init_process
2018-09-02T14:35:22.750665+00:00 app[web.1]: 
2018-09-02T14:35:22.750651+00:00 app[web.1]: return util.import_app(self.app_uri)
2018-09-02T14:35:22.750666+00:00 app[web.1]: Your WhiteNoise configuration is incompatible with WhiteNoise v4.0
2018-09-02T14:35:22.750654+00:00 app[web.1]: __import__(module)
2018-09-02T14:35:22.750647+00:00 app[web.1]: return self.load_wsgiapp()
2018-09-02T14:35:22.750668+00:00 app[web.1]: This can be fixed by following the upgrade instructions at:
2018-09-02T14:35:22.750670+00:00 app[web.1]: http://whitenoise.evans.io/en/stable/changelog.html#v4-0
2018-09-02T14:35:22.750672+00:00 app[web.1]: 
2018-09-02T14:35:22.750663+00:00 app[web.1]: ImportError:
2018-09-02T14:35:22.750657+00:00 app[web.1]: File "/app/mysite/wsgi.py", line 18, in <module>
2018-09-02T14:35:22.750658+00:00 app[web.1]: from whitenoise.django import DjangoWhiteNoise
2018-09-02T14:35:22.865559+00:00 app[web.1]: Traceback (most recent call last):
2018-09-02T14:35:22.869314+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/arbiter.py", line 210, in run
2018-09-02T14:35:22.869796+00:00 app[web.1]: self.sleep()
2018-09-02T14:35:22.869811+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/arbiter.py", line 360, in sleep
2018-09-02T14:35:22.870140+00:00 app[web.1]: ready = select.select([self.PIPE[0]], [], [], 1.0)
2018-09-02T14:35:22.870184+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/arbiter.py", line 245, in handle_chld
2018-09-02T14:35:22.870462+00:00 app[web.1]: self.reap_workers()
2018-09-02T14:35:22.870507+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/arbiter.py", line 525, in reap_workers
2018-09-02T14:35:22.870906+00:00 app[web.1]: raise HaltServer(reason, self.WORKER_BOOT_ERROR)
2018-09-02T14:35:22.870980+00:00 app[web.1]: gunicorn.errors.HaltServer: <HaltServer 'Worker failed to boot.' 3>
2018-09-02T14:35:22.871020+00:00 app[web.1]: 
2018-09-02T14:35:22.871023+00:00 app[web.1]: During handling of the above exception, another exception occurred:
2018-09-02T14:35:22.871024+00:00 app[web.1]: 
2018-09-02T14:35:22.871064+00:00 app[web.1]: Traceback (most recent call last):
2018-09-02T14:35:22.871102+00:00 app[web.1]: File "/app/.heroku/python/bin/gunicorn", line 11, in <module>
2018-09-02T14:35:22.871294+00:00 app[web.1]: sys.exit(run())
2018-09-02T14:35:22.871333+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/app/wsgiapp.py", line 61, in run
2018-09-02T14:35:22.871549+00:00 app[web.1]: WSGIApplication("%(prog)s [OPTIONS] [APP_MODULE]").run()
2018-09-02T14:35:22.871588+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/app/base.py", line 223, in run
2018-09-02T14:35:22.871864+00:00 app[web.1]: super(Application, self).run()
2018-09-02T14:35:22.871903+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/app/base.py", line 72, in run
2018-09-02T14:35:22.872105+00:00 app[web.1]: Arbiter(self).run()
2018-09-02T14:35:22.872144+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/arbiter.py", line 232, in run
2018-09-02T14:35:22.872397+00:00 app[web.1]: self.halt(reason=inst.reason, exit_status=inst.exit_status)
2018-09-02T14:35:22.872770+00:00 app[web.1]: self.stop()
2018-09-02T14:35:22.872439+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/arbiter.py", line 345, in halt
2018-09-02T14:35:22.872882+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/arbiter.py", line 393, in stop
2018-09-02T14:35:22.873249+00:00 app[web.1]: time.sleep(0.1)
2018-09-02T14:35:22.873292+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/arbiter.py", line 245, in handle_chld
2018-09-02T14:35:22.873565+00:00 app[web.1]: self.reap_workers()
2018-09-02T14:35:22.873604+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/arbiter.py", line 525, in reap_workers
2018-09-02T14:35:22.873993+00:00 app[web.1]: raise HaltServer(reason, self.WORKER_BOOT_ERROR)
2018-09-02T14:35:22.874048+00:00 app[web.1]: gunicorn.errors.HaltServer: <HaltServer 'Worker failed to boot.' 3>
2018-09-02T14:35:22.989259+00:00 heroku[web.1]: Process exited with status 1
2018-09-02T14:35:23.004742+00:00 heroku[web.1]: State changed from starting to crashed
2018-09-02T14:44:47.604743+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/admin/" host=tt-djangopractice.herokuapp.com request_id=17a3980a-07fd-43b0-b0ba-615717cd5a53 fwd="126.124.46.231" dyno= connect= service= status=503 bytes= protocol=https
2018-09-02T14:44:48.413739+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=tt-djangopractice.herokuapp.com request_id=2bf8f03d-ee8c-4356-ae62-8793664b2135 fwd="126.124.46.231" dyno= connect= service= status=503 bytes= protocol=https
2018-09-02T14:44:53.559022+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=tt-djangopractice.herokuapp.com request_id=6ec101ef-1e5f-490a-b212-f0d38866ffe7 fwd="126.124.46.231" dyno= connect= service= status=503 bytes= protocol=https
2018-09-02T14:44:54.006456+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=tt-djangopractice.herokuapp.com request_id=98404a4e-f6e8-422d-a21f-b971e95d11d7 fwd="126.124.46.231" dyno= connect= service= status=503 bytes= protocol=https
2018-09-02T14:44:58.564444+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=tt-djangopractice.herokuapp.com request_id=1168ce11-2468-4342-a120-6dc58db506aa fwd="126.124.46.231" dyno= connect= service= status=503 bytes= protocol=https
2018-09-02T14:44:59.065372+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=tt-djangopractice.herokuapp.com request_id=3675bc91-8e7c-49fb-bb14-74dcc4814663 fwd="126.124.46.231" dyno= connect= service= status=503 bytes= protocol=https

〜〜追記〜〜
非常に丁寧なご回答ありがとうございます!
ご回答頂いた内容を試しましたが、解決できませんでした...

試した内容は以下の2通りです。
・ご教示いただいた 1. 2.の項目
・紹介いただいたQiitaの記事にあった、Whitenoiseのバージョンを下げる方法

上記2通りとも、修正した後、commit→pushの流れで試したのですが、他に必要な操作などはありますでしょうか?

ログは以下の通りになりました。

018-09-03T07:39:38.783318+00:00 app[web.1]: /app/.heroku/python/lib/python3.6/site-packages/psycopg2/__init__.py:144: UserWarning: The psycopg2 wheel package will be renamed from release 2.8; in order to keep installing from binary please use "pip install psycopg2-binary" instead. For details see: <http://initd.org/psycopg/docs/install.html#binary-install-from-pypi>.
2018-09-03T07:39:38.783321+00:00 app[web.1]: """)
2018-09-03T07:39:38.858480+00:00 app[web.1]: [2018-09-03 16:39:38 +0900] [9] [ERROR] Exception in worker process
2018-09-03T07:39:38.858483+00:00 app[web.1]: Traceback (most recent call last):
2018-09-03T07:39:38.858485+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/arbiter.py", line 583, in spawn_worker
2018-09-03T07:39:38.858487+00:00 app[web.1]: worker.init_process()
2018-09-03T07:39:38.858488+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/workers/base.py", line 129, in init_process
2018-09-03T07:39:38.858489+00:00 app[web.1]: self.load_wsgi()
2018-09-03T07:39:38.858490+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/workers/base.py", line 138, in load_wsgi
2018-09-03T07:39:38.858492+00:00 app[web.1]: self.wsgi = self.app.wsgi()
2018-09-03T07:39:38.858493+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/app/base.py", line 67, in wsgi
2018-09-03T07:39:38.858494+00:00 app[web.1]: self.callable = self.load()
2018-09-03T07:39:38.858495+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/app/wsgiapp.py", line 52, in load
2018-09-03T07:39:38.858496+00:00 app[web.1]: return self.load_wsgiapp()
2018-09-03T07:39:38.858498+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/app/wsgiapp.py", line 41, in load_wsgiapp
2018-09-03T07:39:38.858499+00:00 app[web.1]: return util.import_app(self.app_uri)
2018-09-03T07:39:38.858500+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/util.py", line 350, in import_app
2018-09-03T07:39:38.858501+00:00 app[web.1]: __import__(module)
2018-09-03T07:39:38.858503+00:00 app[web.1]: File "/app/mysite/wsgi.py", line 18, in <module>
2018-09-03T07:39:38.858504+00:00 app[web.1]: from whitenoise.django import DjangoWhiteNoise
2018-09-03T07:39:38.858505+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/whitenoise/django.py", line 2, in <module>
2018-09-03T07:39:38.858507+00:00 app[web.1]: '\n\n'
2018-09-03T07:39:38.858508+00:00 app[web.1]: ImportError:
2018-09-03T07:39:38.858509+00:00 app[web.1]: 
2018-09-03T07:39:38.858510+00:00 app[web.1]: Your WhiteNoise configuration is incompatible with WhiteNoise v4.0
2018-09-03T07:39:38.858512+00:00 app[web.1]: This can be fixed by following the upgrade instructions at:
2018-09-03T07:39:38.858513+00:00 app[web.1]: http://whitenoise.evans.io/en/stable/changelog.html#v4-0
2018-09-03T07:39:38.858514+00:00 app[web.1]: 
2018-09-03T07:39:38.858519+00:00 app[web.1]: 
2018-09-03T07:39:38.858983+00:00 app[web.1]: [2018-09-03 16:39:38 +0900] [9] [INFO] Worker exiting (pid: 9)
2018-09-03T07:39:38.924031+00:00 app[web.1]: Traceback (most recent call last):
2018-09-03T07:39:38.924046+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/arbiter.py", line 210, in run
2018-09-03T07:39:38.924321+00:00 app[web.1]: self.sleep()
2018-09-03T07:39:38.924324+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/arbiter.py", line 360, in sleep
2018-09-03T07:39:38.924525+00:00 app[web.1]: ready = select.select([self.PIPE[0]], [], [], 1.0)
2018-09-03T07:39:38.924528+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/arbiter.py", line 245, in handle_chld
2018-09-03T07:39:38.924687+00:00 app[web.1]: self.reap_workers()
2018-09-03T07:39:38.924693+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/arbiter.py", line 525, in reap_workers
2018-09-03T07:39:38.924940+00:00 app[web.1]: raise HaltServer(reason, self.WORKER_BOOT_ERROR)
2018-09-03T07:39:38.924969+00:00 app[web.1]: gunicorn.errors.HaltServer: <HaltServer 'Worker failed to boot.' 3>
2018-09-03T07:39:38.924970+00:00 app[web.1]: 
2018-09-03T07:39:38.924972+00:00 app[web.1]: During handling of the above exception, another exception occurred:
2018-09-03T07:39:38.924973+00:00 app[web.1]: 
2018-09-03T07:39:38.924976+00:00 app[web.1]: Traceback (most recent call last):
2018-09-03T07:39:38.924977+00:00 app[web.1]: File "/app/.heroku/python/bin/gunicorn", line 11, in <module>
2018-09-03T07:39:38.925129+00:00 app[web.1]: sys.exit(run())
2018-09-03T07:39:38.925133+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/app/wsgiapp.py", line 61, in run
2018-09-03T07:39:38.925251+00:00 app[web.1]: WSGIApplication("%(prog)s [OPTIONS] [APP_MODULE]").run()
2018-09-03T07:39:38.925300+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/app/base.py", line 223, in run
2018-09-03T07:39:38.925486+00:00 app[web.1]: super(Application, self).run()
2018-09-03T07:39:38.925488+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/app/base.py", line 72, in run
2018-09-03T07:39:38.925598+00:00 app[web.1]: Arbiter(self).run()
2018-09-03T07:39:38.925600+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/arbiter.py", line 232, in run
2018-09-03T07:39:38.925756+00:00 app[web.1]: self.halt(reason=inst.reason, exit_status=inst.exit_status)
2018-09-03T07:39:38.925759+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/arbiter.py", line 345, in halt
2018-09-03T07:39:38.925960+00:00 app[web.1]: self.stop()
2018-09-03T07:39:38.925990+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/arbiter.py", line 393, in stop
2018-09-03T07:39:38.926182+00:00 app[web.1]: time.sleep(0.1)
2018-09-03T07:39:38.926184+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/arbiter.py", line 245, in handle_chld
2018-09-03T07:39:38.926350+00:00 app[web.1]: self.reap_workers()
2018-09-03T07:39:38.926353+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/arbiter.py", line 525, in reap_workers
2018-09-03T07:39:38.926646+00:00 app[web.1]: raise HaltServer(reason, self.WORKER_BOOT_ERROR)
2018-09-03T07:39:38.926651+00:00 app[web.1]: gunicorn.errors.HaltServer: <HaltServer 'Worker failed to boot.' 3>
2018-09-03T07:39:39.017802+00:00 heroku[web.1]: State changed from starting to crashed
2018-09-03T07:39:38.995710+00:00 heroku[web.1]: Process exited with status 1
2018-09-03T12:01:53.680610+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=tt-djangopractice.herokuapp.com request_id=621bbbdc-8553-4c08-8734-19da6d134f11 fwd="150.66.99.44" dyno= connect= service= status=503 bytes= protocol=https
2018-09-03T12:01:54.909072+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=tt-djangopractice.herokuapp.com request_id=8908c8d2-373e-454f-9d1a-9aefa0bf79af fwd="150.66.99.44" dyno= connect= service= status=503 bytes= protocol=https
2018-09-03T12:02:01.483959+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/admin" host=tt-djangopractice.herokuapp.com request_id=cb6a854f-3453-4d73-a464-133374fae523 fwd="150.66.99.44" dyno= connect= service= status=503 bytes= protocol=https
2018-09-03T12:02:01.964222+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=tt-djangopractice.herokuapp.com request_id=6abd195e-ae30-4919-889f-1c4e86326d37 fwd="150.66.99.44" dyno= connect= service= status=503 bytes= protocol=https
2018-09-03T12:02:05.992071+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/admin" host=tt-djangopractice.herokuapp.com request_id=e933c6e9-a15c-46db-b61f-5b36a7aa16b0 fwd="150.66.99.44" dyno= connect= service= status=503 bytes= protocol=https
2018-09-03T12:02:06.591276+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=tt-djangopractice.herokuapp.com request_id=5f86f2ef-ce71-4753-af8e-f2359b3d82b3 fwd="150.66.99.44" dyno= connect= service= status=503 bytes= protocol=https
2018-09-03T12:02:59.211439+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=tt-djangopractice.herokuapp.com request_id=a9dc8b08-34a5-4693-a641-c7e290c50fa0 fwd="150.66.99.44" dyno= connect= service= status=503 bytes= protocol=https
2018-09-03T12:03:00.280984+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=tt-djangopractice.herokuapp.com request_id=be602ba2-5106-4b47-8271-75afd2c449a9 fwd="150.66.99.44" dyno= connect= service= status=503 bytes= protocol=https
2018-09-03T12:03:34.067983+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/admin" host=tt-djangopractice.herokuapp.com request_id=b0357127-90cf-4fbb-aeae-b2a837c3f6a9 fwd="150.66.99.44" dyno= connect= service= status=503 bytes= protocol=https
2018-09-03T12:03:34.733990+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=tt-djangopractice.herokuapp.com request_id=57dca8f8-1490-4b73-a37a-09e03cc3ffa1 fwd="150.66.99.44" dyno= connect= service= status=503 bytes= protocol=https
2018-09-03T12:03:38.184523+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/admin/" host=tt-djangopractice.herokuapp.com request_id=29103fca-192a-42fe-b009-26d974006330 fwd="150.66.99.44" dyno= connect= service= status=503 bytes= protocol=https
2018-09-03T12:03:38.483280+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/admin/" host=tt-djangopractice.herokuapp.com request_id=fa303b20-ec43-451a-b73a-eab14f400c6c fwd="150.66.99.44" dyno= connect= service= status=503 bytes= protocol=https
2018-09-03T12:03:39.727336+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=tt-djangopractice.herokuapp.com request_id=5b4885ea-9ddc-46fa-aa06-272c5a20c8d0 fwd="150.66.99.44" dyno= connect= service= status=503 bytes= protocol=https
2018-09-03T12:03:48.727247+00:00 app[api]: Starting process with command `python manage.py migrate` by user xxxxx@gmail.com
2018-09-03T12:03:55.877915+00:00 heroku[run.8297]: State changed from starting to up
2018-09-03T12:03:56.809427+00:00 heroku[run.8297]: Awaiting client
2018-09-03T12:03:56.842665+00:00 heroku[run.8297]: Starting process with command `python manage.py migrate`
2018-09-03T12:04:05.692512+00:00 heroku[run.8297]: State changed from up to complete
2018-09-03T12:04:05.669417+00:00 heroku[run.8297]: Process exited with status 0
2018-09-03T12:04:18.124918+00:00 app[api]: Starting process with command `python manage.py createsuperuser` by user xxxxx@gmail.com
2018-09-03T12:04:23.834498+00:00 heroku[run.2617]: State changed from starting to up
2018-09-03T12:04:24.116420+00:00 heroku[run.2617]: Awaiting client
2018-09-03T12:04:24.159566+00:00 heroku[run.2617]: Starting process with command `python manage.py createsuperuser`
2018-09-03T12:04:52.076977+00:00 heroku[run.2617]: State changed from up to complete
2018-09-03T12:04:52.059064+00:00 heroku[run.2617]: Process exited with status 0
2018-09-03T12:04:57.676280+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/admin/" host=tt-djangopractice.herokuapp.com request_id=7a54225a-8f35-4f5b-a1ce-3ebd798639d9 fwd="150.66.99.44" dyno= connect= service= status=503 bytes= protocol=https
2018-09-03T12:04:58.786718+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=tt-djangopractice.herokuapp.com request_id=22b569cd-ae9d-4713-98b4-599f027b788c fwd="150.66.99.44" dyno= connect= service= status=503 bytes= protocol=https
2018-09-03T12:05:03.648898+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=tt-djangopractice.herokuapp.com request_id=e7f69624-21c0-4db5-936e-4f9a8e063c62 fwd="150.66.99.44" dyno= connect= service= status=503 bytes= protocol=https
2018-09-03T12:05:04.295329+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=tt-djangopractice.herokuapp.com request_id=5ae883cc-159c-4610-9b12-ae1e5da545e2 fwd="150.66.99.44" dyno= connect= service= status=503 bytes= protocol=https
2018-09-03T12:06:41.703470+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=tt-djangopractice.herokuapp.com request_id=caa7b61e-2a9e-45ad-be93-8838c99653ec fwd="150.66.99.44" dyno= connect= service= status=503 bytes= protocol=https
2018-09-03T12:06:42.512317+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=tt-djangopractice.herokuapp.com request_id=c02bb7b5-9ba2-4092-a67a-3dd628c7c451 fwd="150.66.99.44" dyno= connect= service= status=503 bytes= protocol=https
2018-09-03T12:12:35.843415+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=tt-djangopractice.herokuapp.com request_id=d1dc0fef-76cd-4e28-a616-ff45709c9230 fwd="150.66.99.44" dyno= connect= service= status=503 bytes= protocol=https
2018-09-03T12:12:36.961943+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=tt-djangopractice.herokuapp.com request_id=cc473fdc-bd72-4376-acc6-f7b329a1b8e5 fwd="150.66.99.44" dyno= connect= service= status=503 bytes= protocol=https
2018-09-03T12:12:45.653700+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/admin" host=tt-djangopractice.herokuapp.com request_id=3d9f8edf-4f4a-4b5e-a30b-0c8118dbb658 fwd="150.66.99.44" dyno= connect= service= status=503 bytes= protocol=https
2018-09-03T12:12:46.464188+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=tt-djangopractice.herokuapp.com request_id=cc7c5735-565d-43cd-9e7c-b9a7677a52a3 fwd="150.66.99.44" dyno= connect= service= status=503 bytes= protocol=https