Swift Package Index

Build Information

Failed to build FlutterSwift, reference 3.38.3 (1359f3), with Swift 6.1 for macOS (Xcode) using Xcode 16.3 on 4 Feb 2026 01:12:49 UTC.

Build Command

No build command. This typically means the build failed at an early stage where we determine the build command.

Build Log

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RunAll
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Builder version: 4.68.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/PADL/FlutterSwift.git
Reference: 3.38.3
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/PADL/FlutterSwift
 * tag               3.38.3     -> FETCH_HEAD
HEAD is now at 1359f3a update flutter-embedded-linux commit (2)
Submodule path 'Sources/CxxFlutterSwift/flutter-embedded-linux': checked out '7668680782f2981a89464546163cbb267d0a572a'
Submodule 'Sources/CxxFlutterSwift/flutter-embedded-linux' (https://github.com/flutter-elinux/flutter-embedded-linux) registered for path 'Sources/CxxFlutterSwift/flutter-embedded-linux'
Cloning into '/Users/admin/builder/spi-builder-workspace/Sources/CxxFlutterSwift/flutter-embedded-linux'...
Cloned https://github.com/PADL/FlutterSwift.git
Revision (git rev-parse @):
1359f3a1f75963fd0b4d0ee9c572904439fc8923
SUCCESS checkout https://github.com/PADL/FlutterSwift.git at 3.38.3
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Build
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Selected platform:         macosXcodebuild
Swift version:             6.1
Building package at path:  $PWD
https://github.com/PADL/FlutterSwift.git
https://github.com/PADL/FlutterSwift.git
error: The file “Flutter.xcframework.zip” couldn’t be opened.
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Fetching from https://github.com/apple/swift-async-algorithms
Fetching from https://github.com/lhoward/AsyncExtensions
Fetching from https://github.com/apple/swift-atomics (cached)
Fetching from https://github.com/apple/swift-system (cached)
Fetching from https://github.com/apple/swift-log (cached)
Fetching from https://github.com/apple/swift-collections.git (cached)
Creating working copy of package ‘swift-atomics’
Checking out 1.3.0 of package ‘swift-atomics’
Creating working copy of package ‘swift-async-algorithms’
Checking out 1.1.1 of package ‘swift-async-algorithms’
Creating working copy of package ‘swift-collections’
Checking out 1.3.0 of package ‘swift-collections’
Creating working copy of package ‘swift-log’
Checking out 1.9.1 of package ‘swift-log’
Creating working copy of package ‘swift-system’
Checking out 1.6.4 of package ‘swift-system’
Creating working copy of package ‘AsyncExtensions’
Checking out 0.9.2 of package ‘AsyncExtensions’
Source files for target CxxFlutterSwift should be located under 'Sources/CxxFlutterSwift', or a custom sources path can be set with the 'path' property in Package.swiftdependency 'swift-log' is not used by any targetdependency 'swift-system' is not used by any targetResolve Package Graph
Source files for target CxxFlutterSwift should be located under 'Sources/CxxFlutterSwift', or a custom sources path can be set with the 'path' property in Package.swiftdependency 'swift-log' is not used by any targetdependency 'swift-system' is not used by any target
Resolved source packages:
  AsyncExtensions: https://github.com/lhoward/AsyncExtensions @ 0.9.2
  swift-log: https://github.com/apple/swift-log @ 1.9.1
  swift-collections: https://github.com/apple/swift-collections.git @ 1.3.0
  swift-async-algorithms: https://github.com/apple/swift-async-algorithms @ 1.1.1
  FlutterSwift: /Users/admin/builder/spi-builder-workspace
  swift-atomics: https://github.com/apple/swift-atomics @ 1.3.0
  swift-system: https://github.com/apple/swift-system @ 1.6.4
resolved source packages: AsyncExtensions, swift-log, swift-collections, swift-async-algorithms, FlutterSwift, swift-atomics, swift-system
error: The file “Flutter.xcframework.zip” couldn’t be opened.
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Source files for target CxxFlutterSwift should be located under 'Sources/CxxFlutterSwift', or a custom sources path can be set with the 'path' property in Package.swiftdependency 'swift-log' is not used by any targetdependency 'swift-system' is not used by any target
Resolved source packages:
  swift-async-algorithms: https://github.com/apple/swift-async-algorithms @ 1.1.1
  swift-atomics: https://github.com/apple/swift-atomics @ 1.3.0
  FlutterSwift: /Users/admin/builder/spi-builder-workspace
  AsyncExtensions: https://github.com/lhoward/AsyncExtensions @ 0.9.2
  swift-log: https://github.com/apple/swift-log @ 1.9.1
  swift-system: https://github.com/apple/swift-system @ 1.6.4
  swift-collections: https://github.com/apple/swift-collections.git @ 1.3.0
resolved source packages: swift-async-algorithms, swift-atomics, FlutterSwift, AsyncExtensions, swift-log, swift-system, swift-collections
error: The file “Flutter.xcframework.zip” couldn’t be opened.
BUILD FAILURE 6.1 macosXcodebuild