execute flutter build aar, fail

[wlong800]

describe:
update firebase_auth : 0.18.0+1， then execute flutter build aar, report an error。 before use firebase_auth : 0.16.0 is No problem
I hope 0.18.0+1 can execute flutter build aar, thinks

my question:
FAILURE: Build failed with an exception.

What went wrong:
Execution failed for task ':firebase_analytics:uploadArchives'.
Could not publish configuration 'archives'
Could not write to file '/Users/wanglong/.pub-cache/hosted/mirrors.tuna.tsinghua.edu.cn%47dart-pub/firebase_analytics-6.0.0/android/build/poms/pom-default.xml'.
Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

Get more help at https://help.gradle.org

BUILD FAILED in 2s

flutter doctor:
Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel stable, 1.20.4, on Mac OS X 10.14.6 18G103, locale
zh-Hans-CN)

[✓] Android toolchain - develop for Android devices (Android SDK version 29.0.3)
[✗] Xcode - develop for iOS and macOS
✗ Xcode installation is incomplete; a full installation is necessary for iOS
development.
Download at: https://developer.apple.com/xcode/download/
Or install Xcode via the App Store.
Once installed, run:
sudo xcode-select --switch /Applications/Xcode.app/Contents/Developer
sudo xcodebuild -runFirstLaunch
✗ CocoaPods not installed.
CocoaPods is used to retrieve the iOS and macOS platform side's plugin
code that responds to your plugin usage on the Dart side.
Without CocoaPods, plugins will not work on iOS or macOS.
For more info, see https://flutter.dev/platform-plugins
To install:
sudo gem install cocoapods
[✓] Android Studio (version 4.0)
[✓] Connected device (1 available)

! Doctor found issues in 1 category.

[evan505]

same problem +1

[chandragupt1201]

Did anyone find solution for this issue ?