log output:

+------------------------------------------------------------------------------+
| (9) [email protected] |
+------------------------------------------------------------------------------+
| id: flowdock |
| version: 0.1.2 |
| collection: https://github.com/bitrise-io/bitrise-steplib.git |
| toolkit: bash |
| time: 2017-10-20T12:32:35Z |
+------------------------------------------------------------------------------+
| |

Setup

(i) flowdock NOT yet installed, attempting install...
(i) Which ruby: /usr/local/bin/ruby
(i) Ruby version: ruby 2.4.2p198 (2017-09-14 revision 59899) [x86_64-linux]
-> using brew (/usr/local/bin/ruby) ruby
$ gem install flowdock --no-document
When you HTTParty, you must party hard!
Successfully installed httparty-0.15.6
Successfully installed flowdock-0.7.1
2 gems installed
(i) Setup took 6 seconds to complete
/usr/local/lib/ruby/gems/2.4.0/gems/flowdock-0.7.1/lib/flowdock.rb:23:in handle_response': Flowdock API returned error: (Flowdock::NotFoundError) Status: 404 Message: Not found from /usr/local/lib/ruby/gems/2.4.0/gems/flowdock-0.7.1/lib/flowdock.rb:177:in post_to_thread'
from /tmp/bitrise031777307/step_src/flowdock.rb:48:in `

'

Error

Sending the message failed with the following error:
| |
+---+---------------------------------------------------------------+----------+
| ! | [email protected] (exit code: 1) | 7.01 sec |
+---+---------------------------------------------------------------+----------+
| Issue tracker: https://github.com/scottrhoyt/bitrise-flowdock-step/issues |
| Source: https://github.com/scottrhoyt/bitrise-flowdock-step |
+---+---------------------------------------------------------------+----------+