Flutter Build gets stuck while building iOS app

Bitrise Build Issue Report template

Description of the issue

Flutter Build often (but not always) gets stuck while building iOS app.
The last executed command from logs:
[ +7 ms] executing: [/Users/vagrant/git/ios/Runner.xcodeproj/] /usr/bin/xcodebuild -project /Users/vagrant/git/ios/Runner.xcodeproj -target Runner -showBuildSettings
After which the build gets stuck and lasts until timeout.


Where did the issue happen?

Stack: Hybrid.

Which build Step causes the issue and which version of the step?

Flutter Build 0.9.2


  • Does a “Rebuild” help? (You can trigger a rebuild from the Build’s page, by clicking the “Rebuild” button in the top right corner of a finished build) : NO
  • Does a rebuild without caches help? (You can remove the Cache:Pull and Cache:Push steps temporarily to not to use the cache, or you can delete all the caches on the Settings tab of the app. : CACHING IS NOT USED
  • Does the issue happen sporadically, or every time? : SPORADICALLY
  • Does upgrading the build Step to the latest version help? : NO
  • When did the issue start? : First stuck build : https://app.bitrise.io/build/455200fd9a617ae1 but the flow configuration was different and rapidly progressing.

Local reproduction

Can it be reproduced on your own Mac/PC by following our local debug guide? Please follow at least the first section (“Testing with a full clean git clone”) to make sure to test the state of the code what bitrise.io will get when it does a git clone in the clean environment! If possible please note which sections you tried.

Tested workflows on clean git clone with Bitrise cli. Not reproduced.

Build log

Stuck builds examples

Successful builds examples:

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