This change suppresses following warnings:

test/plugin/test_in_forward.rb:62: warning: shadowing outer local variable - time
test/plugin/test_in_forward.rb:77: warning: shadowing outer local variable - time
test/plugin/test_in_forward.rb:92: warning: shadowing outer local variable - time
test/plugin/test_in_forward.rb:107: warning: shadowing outer local variable - time
test/plugin/test_in_forward.rb:111: warning: shadowing outer local variable - time
test/plugin/test_in_forward.rb:130: warning: shadowing outer local variable - time
test/plugin/test_in_forward.rb:147: warning: shadowing outer local variable - time
test/plugin/test_in_forward.rb:163: warning: shadowing outer local variable - time
test/plugin/test_in_forward.rb:183: warning: shadowing outer local variable - time
test/plugin/test_in_forward.rb:200: warning: shadowing outer local variable - time
test/plugin/test_in_forward.rb:216: warning: shadowing outer local variable - time
test/plugin/test_in_forward.rb:221: warning: shadowing outer local variable - time
test/plugin/test_in_forward.rb:239: warning: shadowing outer local variable - time
test/plugin/test_in_forward.rb:366: warning: shadowing outer local variable - time
test/plugin/test_in_forward.rb:393: warning: shadowing outer local variable - time
test/plugin/test_in_forward.rb:420: warning: shadowing outer local variable - time
test/plugin/test_in_forward.rb:446: warning: shadowing outer local variable - time
test/plugin/test_in_forward.rb:470: warning: shadowing outer local variable - time
test/plugin/test_in_forward.rb:492: warning: shadowing outer local variable - time
test/plugin/test_in_forward.rb:515: warning: shadowing outer local variable - time
test/plugin/test_in_forward.rb:537: warning: shadowing outer local variable - time

This change suppresses following warnings:

lib/fluent/plugin_helper.rb:35: warning: `*' interpreted as argument prefix

Rubocop says:
> Ambiguous splat operator. Parenthesize the method arguments if it's
> surely a splat operator, or add a whitespace to the right of the * if it
> should be a multiplication.

This change suppresses following warning:

lib/fluent/plugin/buffer/file_chunk.rb:174: warning: assigned but unused variable - pos

This change suppresses following warnings:

test/plugin/test_buffer.rb:237: warning: assigned but unused variable - m
test/plugin/test_buffer.rb:245: warning: assigned but unused variable - mx

This change suppresses following warning:

test/plugin/test_buffer.rb:573: warning: assigned but unused variable - prev_stage_size

This change suppresses following warnings:

test/plugin/test_buffer_file_chunk.rb:333: warning: assigned but unused variable - created_at
test/plugin/test_buffer_file_chunk.rb:334: warning: assigned but unused variable - modified_at
test/plugin/test_buffer_file_chunk.rb:457: warning: assigned but unused variable - created_at
test/plugin/test_buffer_file_chunk.rb:458: warning: assigned but unused variable - modified_at

This change suppresses following warnings:

test/plugin/test_filter.rb:221: warning: assigned but unused variable - data
test/plugin/test_filter.rb:222: warning: assigned but unused variable - dummy_error

This change suppresses following warning:

lib/fluent/plugin/in_forward.rb:232: warning: assigned but unused variable - proto

This change suppresses following warnings:

lib/fluent/plugin/in_forward.rb:245: warning: assigned but unused variable - e

Because we use `child_uri` below the here (in comment).

This change suppresses following warning:

lib/fluent/process.rb:119: warning: assigned but unused variable - child_uri

This change suppresses following warnings:

test/plugin/test_output.rb:92: warning: `*' interpreted as argument prefix

This change suppresses following warnings:

test/plugin/test_output_as_buffered.rb:87: warning: `*' interpreted as argument prefix

This change suppresses following warnings:

test/plugin/test_output_as_buffered.rb:255: warning: assigned but unused variable - event_size
test/plugin/test_output_as_buffered.rb:362: warning: assigned but unused variable - event_size

This change suppresses following warnings:

test/plugin/test_output_as_buffered_retries.rb:70: warning: `*' interpreted as argument prefix

This change suppresses following warnings:

test/plugin/test_output_as_buffered_retries.rb:356: warning: assigned but unused variable - first_failure
test/plugin/test_output_as_buffered_retries.rb:572: warning: assigned but unused variable - first_failure

This change suppresses following warnings:

fluentd/test/plugin/test_output_as_buffered_secondary.rb:70: warning: `*' interpreted as argument prefix

This change suppresses following warnings:

test/plugin/test_output_as_standard.rb:53: warning: `*' interpreted as argument prefix

This change suppresses following warnings:

test/plugin_helper/test_storage.rb:284: warning: assigned but unused variable - s
test/plugin_helper/test_storage.rb:296: warning: assigned but unused variable - s

This change suppresses following warnings:

test/plugin_helper/test_thread.rb:80: warning: assigned but unused variable - t1
test/plugin_helper/test_thread.rb:83: warning: assigned but unused variable - t2
test/plugin_helper/test_thread.rb:86: warning: assigned but unused variable - t3

This change suppresses following warnings(about 25 lines)

lib/fluent/system_config.rb:106: warning: global variable `$_system_config' not initialized
lib/fluent/system_config.rb:109: warning: instance variable @_system_config not initialized
lib/fluent/system_config.rb:114: warning: instance variable @_system_config not initialized
(snip)

test/plugin/test_out_forward.rb:393: warning: assigned but unused variable - e

This change suppress following warning:

lib/fluent/plugin/out_forward.rb:125: warning: shadowing outer local variable - e

This change suppresses following warnings:

lib/fluent/plugin/out_forward.rb:443: warning: assigned but unused variable - port
lib/fluent/plugin/out_forward.rb:443: warning: assigned but unused variable - host

This change suppresses following warnings(177 lines)

lib/fluent/configurable.rb:71: warning: instance variable @log_level not initialized

This change suppresses following warnings:

lib/fluent/plugin/buffer/file_chunk.rb:135: warning: instance variable @meta not initialized
lib/fluent/plugin/buffer/file_chunk.rb:135: warning: instance variable @meta not initialized

This change suppresses following warnings:

test/plugin/test_output_as_buffered_retries.rb:91: warning: instance variable @i not initialized
test/plugin/test_output_as_buffered_retries.rb:27: warning: instance variable @prefer_delayed_commit not initialized
test/plugin/test_output_as_buffered_retries.rb:27: warning: instance variable @prefer_delayed_commit not initialized
test/plugin/test_output_as_buffered_retries.rb:27: warning: instance variable @prefer_delayed_commit not initialized
test/plugin/test_output_as_buffered_retries.rb:27: warning: instance variable @prefer_delayed_commit not initialized
test/plugin/test_output_as_buffered_retries.rb:27: warning: instance variable @prefer_delayed_commit not initialized
test/plugin/test_output_as_buffered_retries.rb:27: warning: instance variable @prefer_delayed_commit not initialized
test/plugin/test_output_as_buffered_retries.rb:27: warning: instance variable @prefer_delayed_commit not initialized

This change suppresses following warnings:

test/plugin/test_output_as_buffered_secondary.rb:83: warning: instance variable @i not initialized
test/plugin/test_output_as_buffered_secondary.rb:83: warning: instance variable @i not initialized
test/plugin/test_output_as_buffered_secondary.rb:27: warning: instance variable @prefer_delayed_commit not initialized
test/plugin/test_output_as_buffered_secondary.rb:27: warning: instance variable @prefer_delayed_commit not initialized
test/plugin/test_output_as_buffered_secondary.rb:83: warning: instance variable @i not initialized
test/plugin/test_output_as_buffered_secondary.rb:83: warning: instance variable @i not initialized

This change suppresses following warnings (20lines):

test/plugin/test_output_as_buffered.rb:38: warning: instance variable @shutdown_hook not initialized
test/plugin/test_output_as_buffered.rb:24: warning: instance variable @Format not initialized

This change suppresses following warnings(about 500 lines or more):

lib/fluent/plugin/owned_by_mixin.rb:30: warning: instance variable @_owner not initialized
lib/fluent/plugin/owned_by_mixin.rb:34: warning: instance variable @log not initialized

This change suppresses following warnings(50 lines):

lib/fluent/plugin_id.rb:54: warning: instance variable @id not initialized
lib/fluent/plugin_id.rb:50: warning: instance variable @_id_configured not initialized

This change suppresses following warnings:

test/config/test_system_config.rb:87: warning: instance variable @file_permission not initialized
test/config/test_system_config.rb:88: warning: instance variable @dir_permission not initialized
test/config/test_system_config.rb:87: warning: instance variable @file_permission not initialized
test/config/test_system_config.rb:88: warning: instance variable @dir_permission not initialized
test/config/test_system_config.rb:52: warning: instance variable @file_permission not initialized
test/config/test_system_config.rb:53: warning: instance variable @dir_permission not initialized

test/plugin/test_buf_file.rb:681: warning: File.exists? is a deprecated name, use File.exist? instead

This change suppress following warnings(138 lines):

test/plugin_helper/test_retry_state.rb:10: warning: method redefined; discarding old current_time
test/plugin_helper/test_retry_state.rb:10: warning: previous definition of current_time was here

This change suppresses following warnings:

test/plugin/test_out_forward.rb:451: warning: instance variable @loop not initialized
test/plugin/test_out_forward.rb:452: warning: instance variable @thread not initialized
lib/fluent/plugin/in_forward.rb:291: warning: instance variable @source not initialized
lib/fluent/plugin/in_forward.rb:291: warning: instance variable @source not initialized
lib/fluent/plugin/out_forward.rb:401: warning: instance variable @finished not initialized
lib/fluent/plugin/in_forward.rb:291: warning: instance variable @source not initialized
lib/fluent/plugin/in_forward.rb:291: warning: instance variable @source not initialized
lib/fluent/plugin/in_forward.rb:291: warning: instance variable @source not initialized
lib/fluent/plugin/in_forward.rb:291: warning: instance variable @source not initialized
lib/fluent/plugin/in_forward.rb:291: warning: instance variable @source not initialized
lib/fluent/plugin/socket_util.rb:61: warning: instance variable @timeout not initialized
lib/fluent/plugin/socket_util.rb:61: warning: instance variable @timeout not initialized
lib/fluent/plugin/socket_util.rb:61: warning: instance variable @timeout not initialized
lib/fluent/plugin/socket_util.rb:61: warning: instance variable @timeout not initialized
lib/fluent/plugin/socket_util.rb:61: warning: instance variable @timeout not initialized
lib/fluent/plugin/socket_util.rb:61: warning: instance variable @timeout not initialized
lib/fluent/plugin/socket_util.rb:61: warning: instance variable @timeout not initialized
lib/fluent/plugin/socket_util.rb:61: warning: instance variable @timeout not initialized
lib/fluent/plugin/socket_util.rb:61: warning: instance variable @timeout not initialized

This change suppresses following warnings:

test/plugin/test_output.rb:52: warning: instance variable @prefer_delayed_commit not initialized
test/plugin/test_output.rb:58: warning: instance variable @Format not initialized
test/plugin/test_output.rb:58: warning: instance variable @Format not initialized
test/plugin/test_output.rb:58: warning: instance variable @Format not initialized
test/plugin/test_output.rb:58: warning: instance variable @Format not initialized
test/plugin/test_output.rb:36: warning: instance variable @Format not initialized
test/plugin/test_output.rb:36: warning: instance variable @Format not initialized
test/plugin/test_output.rb:23: warning: instance variable @Format not initialized
test/plugin/test_output.rb:23: warning: instance variable @Format not initialized
test/plugin/test_output.rb:49: warning: instance variable @prefer_buffered_processing not initialized

This change suppresses following warnings:

test/plugin/test_output_as_standard.rb:69: warning: instance variable @i not initialized

This change suppresses following warnings:

lib/fluent/plugin/out_forward.rb:403: warning: instance variable @finished not initialized

Because in_forward has option `bind` for this purpose.