Swift Package IndexBuild Information
Successful build of ScaledFont, reference 1.2.0 (0823df), with Swift 6.1 for macOS (SPM) on 27 Sep 2026 04:51:04 UTC.
Swift 6 data race errors: 1
Build Command
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCapturesBuild Log
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RunAll
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Builder version: 5.1.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/gewill/ScaledFont.git
Reference: 1.2.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/gewill/ScaledFont
* tag 1.2.0 -> FETCH_HEAD
HEAD is now at 0823df9 Prepare the 1.2.0 release (#14)
Cloned https://github.com/gewill/ScaledFont.git
Revision (git rev-parse @):
0823df9292f62e8d47cbbdba2255e9eeb311ddda
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/gewill/ScaledFont.git at 1.2.0
========================================
Build
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Selected platform: macosSpm
Swift version: 6.1
Building package at path: $PWD
https://github.com/gewill/ScaledFont.git
https://github.com/gewill/ScaledFont.git
{
"dependencies" : [
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"identity" : "swift-docc-plugin",
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"manifest_display_name" : "ScaledFont",
"name" : "ScaledFont",
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"platforms" : [
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"targets" : [
{
"c99name" : "ScaledFontTests",
"module_type" : "SwiftTarget",
"name" : "ScaledFontTests",
"path" : "Tests/ScaledFontTests",
"resources" : [
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"path" : "/Users/admin/builder/spi-builder-workspace/Tests/ScaledFontTests/TestData/FractionalSize.plist",
"rule" : {
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"path" : "/Users/admin/builder/spi-builder-workspace/Tests/ScaledFontTests/TestData/Futura.plist",
"rule" : {
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"path" : "/Users/admin/builder/spi-builder-workspace/Tests/ScaledFontTests/TestData/InvalidBodyStyle.plist",
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"sources" : [
"ScaledFontTests.swift",
"ScaledFontUITests.swift",
"TextSizeTests.swift"
],
"target_dependencies" : [
"ScaledFont"
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"type" : "test"
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{
"c99name" : "ScaledFont",
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Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures
[1/1] Compiling plugin Swift-DocC Preview
[2/2] Compiling plugin Swift-DocC
Building for debugging...
[2/4] Write sources
[3/4] Write swift-version-2F0A5646E1D333AE.txt
[5/9] Compiling ScaledFont TextSizePreference.swift
[6/9] Compiling ScaledFont ScaledFontUI.swift
/Users/admin/builder/spi-builder-workspace/Sources/ScaledFont/ScaledFontUI.swift:268:16: warning: static property 'defaultValue' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
266 |
267 | private struct ScaledFontKey: EnvironmentKey {
268 | static var defaultValue = ScaledFont(fontName: "Default")
| |- warning: static property 'defaultValue' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'defaultValue' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'defaultValue' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
269 | }
270 |
/Users/admin/builder/spi-builder-workspace/Sources/ScaledFont/ScaledFontUI.swift:295:30: warning: call to main actor-isolated instance method 'scaledFont' in a synchronous nonisolated context; this is an error in the Swift 6 language mode
245 | /// - Returns: A View that uses the scaled font with the
246 | /// specified dynamic type text style.
247 | func scaledFont(_ textStyle: Font.TextStyle) -> some View {
| `- note: calls to instance method 'scaledFont' from outside of its actor context are implicitly asynchronous
248 | return modifier(ScaledFontModifier(textStyle: textStyle, design: nil, weight: nil))
249 | }
:
293 | @LibraryContentBuilder
294 | func modifiers(base: Text) -> [LibraryItem] {
295 | LibraryItem(base.scaledFont(.headline), category: .effect)
| `- warning: call to main actor-isolated instance method 'scaledFont' in a synchronous nonisolated context; this is an error in the Swift 6 language mode
296 | }
297 | }
[7/9] Compiling ScaledFont TextSizeScaling.swift
[8/9] Emitting module ScaledFont
/Users/admin/builder/spi-builder-workspace/Sources/ScaledFont/ScaledFontUI.swift:268:16: warning: static property 'defaultValue' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
266 |
267 | private struct ScaledFontKey: EnvironmentKey {
268 | static var defaultValue = ScaledFont(fontName: "Default")
| |- warning: static property 'defaultValue' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'defaultValue' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'defaultValue' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
269 | }
270 |
[9/9] Compiling ScaledFont ScaledFont.swift
Build complete! (20.87s)
Fetching https://github.com/apple/swift-docc-plugin
[1/2345] Fetching swift-docc-plugin
Fetched https://github.com/apple/swift-docc-plugin from cache (1.32s)
Computing version for https://github.com/apple/swift-docc-plugin
Computed https://github.com/apple/swift-docc-plugin at 1.5.0 (1.95s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit from cache
Fetched https://github.com/swiftlang/swift-docc-symbolkit from cache (1.09s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (1.84s)
Creating working copy for https://github.com/swiftlang/swift-docc-symbolkit
Working copy of https://github.com/swiftlang/swift-docc-symbolkit resolved at 1.0.0
Creating working copy for https://github.com/apple/swift-docc-plugin
Working copy of https://github.com/apple/swift-docc-plugin resolved at 1.5.0
Build complete.
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Done.