Erro do Rake durante a atualização (não fatal)

Vi isso aparecer nos logs, mas a atualização continuou com aparente sucesso:

Aguardando o recarregamento do Unicorn...........................................................
$ bundle exec rake assets:flush_sw
rake aborted!
Não sei como executar a tarefa 'assets:flush_sw' (veja a lista de tarefas disponíveis com `rake --tasks`)
Você quis dizer?  assets:clean
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/rake-13.0.1/exe/rake:27:in `\u003ctop (required)\u003e'
/usr/local/bin/bundle:23:in `load'
/usr/local/bin/bundle:23:in `\u003cmain\u003e'
(Veja o rastreamento completo executando a tarefa com --trace)
AVISO: Não foi possível atualizar o arquivo do service worker
Executando as migrações pós-implantação

Isso é importante? Interessante?

Not sure, @eviltrout did the rake task name change?

Is this service worker related @featheredtoast? I can’t find flush_sw in our codebase right now.

That is a task that was live on master for less than 3h and was reverted afterwards.

Please use a rebuild @Ed_S.

cd /var/discourse
./launcher rebuild app

This won’t cause any issues updating, just noise in the logs which you can ignore for now - flush_sw is a new rake task that will exist once we re-add it. I’ve been working out some issues with the rake task in a draft PR, but for now those errors in the logs are harmless.