NoMethodError: undefined method `match' for nil:NilClass
https://sentry.gitlap.com/gitlab/gitlabcom/issues/17011/
NoMethodError: undefined method `match' for nil:NilClass
lib/ci/api/helpers.rb:52:in `build_not_found!'
if headers['User-Agent'].match(/gitlab-ci-multi-runner \d+\.\d+\.\d+(~beta\.\d+\.g[0-9a-f]+)? /)
lib/ci/api/builds.rb:29:in `block (2 levels) in <class:Builds>'
build_not_found!
lib/gitlab/middleware/multipart.rb:89:in `call'
return @app.call(env) if encoded_message.blank?
lib/gitlab/request_profiler/middleware.rb:15:in `call'
@app.call(env)
lib/gitlab/middleware/rails_queue_duration.rb:20:in `call'
@app.call(env)
...
(101 additional frame(s) were not displayed)