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Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Failed to build ScalingHeaderScrollView, reference 2.0.0 (f9cd67), with Swift 6.0 for macOS (SPM) on 24 Apr 2025 16:01:10 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.2.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
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Builder version: 4.61.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/exyte/ScalingHeaderScrollView.git
Reference: 2.0.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/exyte/ScalingHeaderScrollView
 * tag               2.0.0      -> FETCH_HEAD
HEAD is now at f9cd671 Update readme
Cloned https://github.com/exyte/ScalingHeaderScrollView.git
Revision (git rev-parse @):
f9cd6717ff1458b8d096b17beda639e9fcee6559
SUCCESS checkout https://github.com/exyte/ScalingHeaderScrollView.git at 2.0.0
========================================
Build
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Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/exyte/ScalingHeaderScrollView.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.2.0.app xcrun swift build --arch arm64
Fetching https://github.com/siteline/swiftui-introspect
[1/9330] Fetching swiftui-introspect
Fetched https://github.com/siteline/swiftui-introspect from cache (1.17s)
Computing version for https://github.com/siteline/swiftui-introspect
warning: 'swiftui-introspect': /Package@swift-6.0.swift:5:15: warning: 'init(name:defaultLocalization:platforms:pkgConfig:providers:products:dependencies:targets:swiftLanguageVersions:cLanguageStandard:cxxLanguageStandard:)' is deprecated: replaced by 'init(name:defaultLocalization:platforms:pkgConfig:providers:products:dependencies:targets:swiftLanguageModes:cLanguageStandard:cxxLanguageStandard:)'
 3 | import PackageDescription
 4 |
 5 | let package = Package(
   |               |- warning: 'init(name:defaultLocalization:platforms:pkgConfig:providers:products:dependencies:targets:swiftLanguageVersions:cLanguageStandard:cxxLanguageStandard:)' is deprecated: replaced by 'init(name:defaultLocalization:platforms:pkgConfig:providers:products:dependencies:targets:swiftLanguageModes:cLanguageStandard:cxxLanguageStandard:)'
   |               `- note: use 'init(name:defaultLocalization:platforms:pkgConfig:providers:products:dependencies:targets:swiftLanguageModes:cLanguageStandard:cxxLanguageStandard:)' instead
 6 |     name: "swiftui-introspect",
 7 |     platforms: [
Computed https://github.com/siteline/swiftui-introspect at 1.3.0 (0.48s)
Creating working copy for https://github.com/siteline/swiftui-introspect
Working copy of https://github.com/siteline/swiftui-introspect resolved at 1.3.0
warning: 'swiftui-introspect': /Users/admin/builder/spi-builder-workspace/.build/checkouts/swiftui-introspect/Package@swift-6.0.swift:5:15: warning: 'init(name:defaultLocalization:platforms:pkgConfig:providers:products:dependencies:targets:swiftLanguageVersions:cLanguageStandard:cxxLanguageStandard:)' is deprecated: replaced by 'init(name:defaultLocalization:platforms:pkgConfig:providers:products:dependencies:targets:swiftLanguageModes:cLanguageStandard:cxxLanguageStandard:)'
 3 | import PackageDescription
 4 |
 5 | let package = Package(
   |               |- warning: 'init(name:defaultLocalization:platforms:pkgConfig:providers:products:dependencies:targets:swiftLanguageVersions:cLanguageStandard:cxxLanguageStandard:)' is deprecated: replaced by 'init(name:defaultLocalization:platforms:pkgConfig:providers:products:dependencies:targets:swiftLanguageModes:cLanguageStandard:cxxLanguageStandard:)'
   |               `- note: use 'init(name:defaultLocalization:platforms:pkgConfig:providers:products:dependencies:targets:swiftLanguageModes:cLanguageStandard:cxxLanguageStandard:)' instead
 6 |     name: "swiftui-introspect",
 7 |     platforms: [
warning: 'spi-builder-workspace': found 1 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
    /Users/admin/builder/spi-builder-workspace/Sources/Info.plist
error: the library 'ScalingHeaderScrollView' requires macos 10.13, but depends on the product 'SwiftUIIntrospect' which requires macos 10.15; consider changing the library 'ScalingHeaderScrollView' to require macos 10.15 or later, or the product 'SwiftUIIntrospect' to require macos 10.13 or earlier.
BUILD FAILURE 6.0 macosSpm