travis logs fails with undefined method `receive' for nil:NilClass

[glensc]

travis logs exits with fatal error when the followed job finishes.

to reproduce:

1. start some travis ci job
2. execute travis logs JOB.NUMBER on the kob
3. wait for job to finish
4. get presented with undefined method 'receive' for nil:NilClass error

...
Deploying application.3

travis_fold:end:dpl.3

Done. Your build exited with 0.
undefined method `receive' for nil:NilClass
for a full error report, run travis report --org

[glensc]

if necessary, then the failed job was (this command succeeds now as the job has finished):

$ travis logs 3360.5 --repo eventum/eventum

• main job: https://travis-ci.org/eventum/eventum/builds/278330210
• deploy job which i monitored for logs: https://travis-ci.org/eventum/eventum/jobs/278330228
• travis config (altho i'm sure this is not relevant): https://github.com/eventum/eventum/blob/57e367ab6aa3e130c0856a2ddc62270aa6e35bc8/.travis.yml

[glensc]

tool information:

$ travis report --org
System
Ruby:                     Ruby 2.1.10-p492
Operating System:         PLD 3.0
RubyGems:                 RubyGems 2.2.5

CLI
Version:                  1.8.8
Plugins:                  none
Auto-Completion:          yes
Last Version Check:       2017-09-21 23:01:20 +0300

Session
API Endpoint:             https://api.travis-ci.org/
Logged In:                no
Verify SSL:               yes
Enterprise:               no

Endpoints
org:                      https://api.travis-ci.org/ (current)

Last Exception
An error occurred running `travis logs --org`:
    NoMethodError: undefined method `receive' for nil:NilClass
        from /home/glen/.gem/ruby/gems/pusher-client-0.6.2/lib/pusher-client/socket.rb:206:in `block in connect_internal'
        from /home/glen/.gem/ruby/gems/pusher-client-0.6.2/lib/pusher-client/socket.rb:205:in `loop'
        from /home/glen/.gem/ruby/gems/pusher-client-0.6.2/lib/pusher-client/socket.rb:205:in `connect_internal'
        from /home/glen/.gem/ruby/gems/pusher-client-0.6.2/lib/pusher-client/socket.rb:76:in `connect'
        from /home/glen/.gem/ruby/gems/travis-1.8.8/lib/travis/client/listener.rb:123:in `listen'
        from /home/glen/.gem/ruby/gems/travis-1.8.8/lib/travis/client/methods.rb:90:in `listen'
        from /home/glen/.gem/ruby/gems/travis-1.8.8/lib/travis/client/artifact.rb:54:in `body'
        from /home/glen/.gem/ruby/gems/travis-1.8.8/lib/travis/cli/logs.rb:39:in `display_log'
        from /home/glen/.gem/ruby/gems/travis-1.8.8/lib/travis/cli/logs.rb:23:in `run'
        from /home/glen/.gem/ruby/gems/travis-1.8.8/lib/travis/cli/command.rb:198:in `execute'
        from /home/glen/.gem/ruby/gems/travis-1.8.8/lib/travis/cli.rb:64:in `run'
        from /home/glen/.gem/ruby/gems/travis-1.8.8/bin/travis:18:in `<top (required)>'
        from /home/glen/bin/travis:23:in `load'
        from /home/glen/bin/travis:23:in `<main>'

For issues with the command line tool, please visit https://github.com/travis-ci/travis.rb/issues.
For Travis CI in general, go to https://github.com/travis-ci/travis-ci/issues or email [email protected].

$

[glensc]

duplicate of:

• undefined method `receive' for nil:NilClass #476
• Error from "travis logs" (undefined method `receive' for nil:NilClass) #189
• NoMethodError: undefined method `receive' for nil:NilClass and color issue #198
• undefined method `receive' in 'travis logs' #322

and seems problem is in third party library:

• undefined method `receive' for nil:NilClass pusher-community/pusher-websocket-ruby#51