Failure with Rails 5

Trying to use ecs-logging with Rails 5:

````
Traceback (most recent call last):
33: from bin/rails:4:in `'
32: from /home/user/.ruby/gems/activesupport-5.2.6/lib/active_support/dependencies.rb:291:in `require'
31: from /home/user/.ruby/gems/activesupport-5.2.6/lib/active_support/dependencies.rb:257:in `load_dependency'
30: from /home/user/.ruby/gems/activesupport-5.2.6/lib/active_support/dependencies.rb:291:in `block in require'
29: from /home/user/.ruby/gems/bootsnap-1.6.0/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:31:in `require'
28: from /home/user/.ruby/gems/bootsnap-1.6.0/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `require_with_bootsnap_lfi'
27: from /home/user/.ruby/gems/bootsnap-1.6.0/lib/bootsnap/load_path_cache/loaded_features_index.rb:92:in `register'
26: from /home/user/.ruby/gems/bootsnap-1.6.0/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `block in require_with_bootsnap_lfi'
25: from /home/user/.ruby/gems/bootsnap-1.6.0/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `require'
24: from /home/user/.ruby/gems/railties-5.2.6/lib/rails/commands.rb:18:in `'
23: from /home/user/.ruby/gems/railties-5.2.6/lib/rails/command.rb:46:in `invoke'
22: from /home/user/.ruby/gems/railties-5.2.6/lib/rails/command/base.rb:69:in `perform'
21: from /home/user/.ruby/gems/thor-0.19.4/lib/thor.rb:369:in `dispatch'
20: from /home/user/.ruby/gems/thor-0.19.4/lib/thor/invocation.rb:126:in `invoke_command'
19: from /home/user/.ruby/gems/thor-0.19.4/lib/thor/command.rb:27:in `run'
18: from /home/user/.ruby/gems/railties-5.2.6/lib/rails/commands/server/server_command.rb:142:in `perform'
17: from /home/user/.ruby/gems/railties-5.2.6/lib/rails/commands/server/server_command.rb:142:in `tap'
16: from /home/user/.ruby/gems/railties-5.2.6/lib/rails/commands/server/server_command.rb:147:in `block in perform'
15: from /home/user/.ruby/gems/railties-5.2.6/lib/rails/commands/server/server_command.rb:51:in `start'
14: from /home/user/.ruby/gems/railties-5.2.6/lib/rails/commands/server/server_command.rb:89:in `log_to_stdout'
13: from /home/user/.ruby/gems/rack-2.2.3/lib/rack/server.rb:422:in `wrapped_app'
12: from /home/user/.ruby/gems/railties-5.2.6/lib/rails/commands/server/server_command.rb:29:in `app'
11: from /home/user/.ruby/gems/activesupport-5.2.6/lib/active_support/deprecation/instance_delegator.rb:29:in `warn'
10: from /home/user/.ruby/gems/activesupport-5.2.6/lib/active_support/deprecation/instance_delegator.rb:22:in `warn'
9: from /home/user/.ruby/gems/activesupport-5.2.6/lib/active_support/deprecation/reporting.rb:22:in `warn'
8: from /home/user/.ruby/gems/activesupport-5.2.6/lib/active_support/deprecation/reporting.rb:22:in `tap'
7: from /home/user/.ruby/gems/activesupport-5.2.6/lib/active_support/deprecation/reporting.rb:23:in `block in warn'
6: from /home/user/.ruby/gems/activesupport-5.2.6/lib/active_support/deprecation/reporting.rb:23:in `each'
5: from /home/user/.ruby/gems/activesupport-5.2.6/lib/active_support/deprecation/reporting.rb:23:in `block (2 levels) in warn'
4: from /home/user/.ruby/gems/activesupport-5.2.6/lib/active_support/deprecation/behaviors.rb:33:in `block in '
3: from /home/user/.ruby/gems/ecs-logging-1.0.0/lib/ecs_logging/logger.rb:73:in `block (2 levels) in '
2: from /home/user/.ruby/gems/ecs-logging-1.0.0/lib/ecs_logging/logger.rb:53:in `add'
1: from /home/user/.ruby/gems/ecs-logging-1.0.0/lib/ecs_logging/logger.rb:94:in `format_message'
/home/user/.ruby/gems/activesupport-5.2.6/lib/active_support/tagged_logging.rb:22:in `call': unknown keywords: :"transaction.id", :"trace.id", :"span.id" (ArgumentError)
````

Not sure what to do at that stage.