Launching lib/main.dart on Mimir in debug mode...
Warning: Missing build name (CFBundleShortVersionString).
Warning: Missing build number (CFBundleVersion).
Action Required: You must set a build name and number in the pubspec.yaml file version field before submitting to the App Store.
Automatically signing iOS for device deployment using specified development team in Xcode project: T5YVNX2NAC
Xcode build done. 6.1s
Failed to build iOS app
Could not build the precompiled application for the device.
ARC Restrictions (Xcode): ARC forbids explicit message send of 'retain'
/Users/yanshouwang/dev/camerax/camerax_ios/ios/Classes/ffi.g.m:7:16
ffi.g.m:7
Semantic Issue (Xcode): 'retain' is unavailable: not available in automatic reference counting mode
/Users/yanshouwang/dev/camerax/camerax_ios/ios/Classes/ffi.g.m:7:16
ffi.g.m:7
Semantic Issue (Xcode): 'release' is unavailable: not available in automatic reference counting mode
/Users/yanshouwang/dev/camerax/camerax_ios/ios/Classes/ffi.g.m:9:9
ffi.g.m:9
ARC Restrictions (Xcode): ARC forbids explicit message send of 'release'
/Users/yanshouwang/dev/camerax/camerax_ios/ios/Classes/ffi.g.m:9:9
ffi.g.m:9
Here is the error message: