Broken master in `ExportService#save_all!`
Job #487133905 failed for 9a9ef1cd:
4165 1) Projects::ImportExport::ExportService#execute user can admin project saves the design repo
4166 Failure/Error: raise Gitlab::ImportExport::Error.new(shared.errors.to_sentence)
4167 Gitlab::ImportExport::Error:
4168 undefined method `append' for #<Gitlab::ImportExport::JSON::LegacyWriter:0x000055f29313e828>, undefined method `append' for #<Gitlab::ImportExport::JSON::LegacyWriter:0x000055f2943624c8>, undefined method `append' for #<Gitlab::ImportExport::JSON::LegacyWriter:0x000055f29495ce28>, and undefined method `append' for #<Gitlab::ImportExport::JSON::LegacyWriter:0x000055f294e735b0>
4169 # ./app/services/projects/import_export/export_service.rb:96:in `notify_error!'
4170 # ./app/services/projects/import_export/export_service.rb:36:in `save_all!'
4171 # ./app/services/projects/import_export/export_service.rb:13:in `execute'
4172 # ./ee/spec/services/projects/import_export/export_service_spec.rb:13:in `block (4 levels) in <top (required)>'
4173 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/memoized_helpers.rb:317:in `block (2 levels) in let'
4174 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/memoized_helpers.rb:157:in `block (3 levels) in fetch_or_store'
4175 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/memoized_helpers.rb:157:in `fetch'
4176 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/memoized_helpers.rb:157:in `block (2 levels) in fetch_or_store'
4177 # ./vendor/ruby/2.6.0/gems/rspec-support-3.9.2/lib/rspec/support/reentrant_mutex.rb:23:in `synchronize'
4178 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/memoized_helpers.rb:156:in `block in fetch_or_store'
4179 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/memoized_helpers.rb:155:in `fetch'
4180 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/memoized_helpers.rb:155:in `fetch_or_store'
4181 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/memoized_helpers.rb:317:in `block in let'
4182 # ./ee/spec/services/projects/import_export/export_service_spec.rb:22:in `block (4 levels) in <top (required)>'
4183 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/example.rb:257:in `instance_exec'
4184 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/example.rb:257:in `block in run'
4185 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/example.rb:503:in `block in with_around_and_singleton_context_hooks'
4186 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/example.rb:460:in `block in with_around_example_hooks'
4187 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/hooks.rb:472:in `block in run'
4188 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/hooks.rb:612:in `block in run_around_example_hooks_for'
4189 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/example.rb:345:in `call'
4190 # ./vendor/ruby/2.6.0/gems/rspec-rails-4.0.0.beta4/lib/rspec/rails/adapters.rb:75:in `block (2 levels) in <module:MinitestLifecycleAdapter>'
4191 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/example.rb:450:in `instance_exec'
4192 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/example.rb:450:in `instance_exec'
4193 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/hooks.rb:381:in `execute_with'
4194 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/hooks.rb:614:in `block (2 levels) in run_around_example_hooks_for'
4195 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/example.rb:345:in `call'
4196 # ./spec/spec_helper.rb:249:in `block (3 levels) in <top (required)>'
4197 # ./vendor/ruby/2.6.0/gems/gitlab-labkit-0.12.0/lib/labkit/context.rb:32:in `with_context'
4198 # ./spec/spec_helper.rb:249:in `block (2 levels) in <top (required)>'
4199 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/example.rb:450:in `instance_exec'
4200 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/example.rb:450:in `instance_exec'
4201 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/hooks.rb:381:in `execute_with'
4202 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/hooks.rb:614:in `block (2 levels) in run_around_example_hooks_for'
4203 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/example.rb:345:in `call'
4204 # ./vendor/ruby/2.6.0/gems/rspec-retry-0.6.1/lib/rspec/retry.rb:123:in `block in run'
4205 # ./vendor/ruby/2.6.0/gems/rspec-retry-0.6.1/lib/rspec/retry.rb:110:in `loop'
4206 # ./vendor/ruby/2.6.0/gems/rspec-retry-0.6.1/lib/rspec/retry.rb:110:in `run'
4207 # ./vendor/ruby/2.6.0/gems/rspec-retry-0.6.1/lib/rspec_ext/rspec_ext.rb:12:in `run_with_retry'
4208 # ./vendor/ruby/2.6.0/gems/rspec-retry-0.6.1/lib/rspec/retry.rb:37:in `block (2 levels) in setup'
4209 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/example.rb:450:in `instance_exec'
4210 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/example.rb:450:in `instance_exec'
4211 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/hooks.rb:381:in `execute_with'
4212 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/hooks.rb:614:in `block (2 levels) in run_around_example_hooks_for'
4213 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/example.rb:345:in `call'
4214 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/hooks.rb:615:in `run_around_example_hooks_for'
4215 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/hooks.rb:472:in `run'
4216 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/example.rb:460:in `with_around_example_hooks'
4217 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/example.rb:503:in `with_around_and_singleton_context_hooks'
4218 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/example.rb:254:in `run'
4219 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/example_group.rb:633:in `block in run_examples'
4220 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/example_group.rb:629:in `map'
4221 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/example_group.rb:629:in `run_examples'
4222 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/example_group.rb:595:in `run'
4223 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/example_group.rb:596:in `block in run'
4224 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/example_group.rb:596:in `map'
4225 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/example_group.rb:596:in `run'
4226 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/example_group.rb:596:in `block in run'
4227 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/example_group.rb:596:in `map'
4228 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/example_group.rb:596:in `run'
4229 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/runner.rb:121:in `block (3 levels) in run_specs'
4230 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/runner.rb:121:in `map'
4231 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/runner.rb:121:in `block (2 levels) in run_specs'
4232 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/configuration.rb:2031:in `with_suite_hooks'
4233 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/runner.rb:116:in `block in run_specs'
4234 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/reporter.rb:74:in `report'
4235 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/runner.rb:115:in `run_specs'
4236 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/runner.rb:89:in `run'
4237 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/runner.rb:71:in `run'
4238 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/lib/rspec/core/runner.rb:45:in `invoke'
4239 # ./vendor/ruby/2.6.0/gems/rspec-core-3.9.1/exe/rspec:4:in `<top (required)>'
4240 # ./vendor/ruby/2.6.0/bin/rspec:23:in `load'
4241 # ./vendor/ruby/2.6.0/bin/rspec:23:in `<top (required)>'
4242 # /usr/local/lib/ruby/2.6.0/bundler/cli/exec.rb:74:in `load'
4243 # /usr/local/lib/ruby/2.6.0/bundler/cli/exec.rb:74:in `kernel_load'
4244 # /usr/local/lib/ruby/2.6.0/bundler/cli/exec.rb:28:in `run'
4245 # /usr/local/lib/ruby/2.6.0/bundler/cli.rb:463:in `exec'
4246 # /usr/local/lib/ruby/2.6.0/bundler/vendor/thor/lib/thor/command.rb:27:in `run'
4247 # /usr/local/lib/ruby/2.6.0/bundler/vendor/thor/lib/thor/invocation.rb:126:in `invoke_command'
4248 # /usr/local/lib/ruby/2.6.0/bundler/vendor/thor/lib/thor.rb:387:in `dispatch'
4249 # /usr/local/lib/ruby/2.6.0/bundler/cli.rb:27:in `dispatch'
4250 # /usr/local/lib/ruby/2.6.0/bundler/vendor/thor/lib/thor/base.rb:466:in `start'
4251 # /usr/local/lib/ruby/2.6.0/bundler/cli.rb:18:in `start'
4252 # /usr/local/lib/ruby/gems/2.6.0/gems/bundler-1.17.2/exe/bundle:30:in `block in <top (required)>'
4253 # /usr/local/lib/ruby/2.6.0/bundler/friendly_errors.rb:124:in `with_friendly_errors'
4254 # /usr/local/lib/ruby/gems/2.6.0/gems/bundler-1.17.2/exe/bundle:22:in `<top (required)>'
4255 # /usr/local/bin/bundle:23:in `load'
4256 # /usr/local/bin/bundle:23:in `<main>'