Swift Package IndexBuild Information
Successful build of Wallpaper, reference main (c003b5), with Swift 6.1 for macOS (SPM) on 21 Apr 2026 23:19:22 UTC.
Swift 6 data race errors: 5
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
========================================
RunAll
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Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/sindresorhus/macos-wallpaper.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/sindresorhus/macos-wallpaper
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at c003b52 2.3.4
Cloned https://github.com/sindresorhus/macos-wallpaper.git
Revision (git rev-parse @):
c003b5271d47a4727120df669a7dce0d95c417c7
SUCCESS checkout https://github.com/sindresorhus/macos-wallpaper.git at main
========================================
Build
========================================
Selected platform: macosSpm
Swift version: 6.1
Building package at path: $PWD
https://github.com/sindresorhus/macos-wallpaper.git
https://github.com/sindresorhus/macos-wallpaper.git
{
"dependencies" : [
{
"identity" : "swift-argument-parser",
"requirement" : {
"range" : [
{
"lower_bound" : "1.5.0",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-argument-parser"
},
{
"identity" : "sqlite.swift",
"requirement" : {
"range" : [
{
"lower_bound" : "0.15.3",
"upper_bound" : "1.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/stephencelis/SQLite.swift"
}
],
"manifest_display_name" : "Wallpaper",
"name" : "Wallpaper",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "10.13"
}
],
"products" : [
{
"name" : "wallpaper",
"targets" : [
"WallpaperCLI"
],
"type" : {
"executable" : null
}
},
{
"name" : "Wallpaper",
"targets" : [
"Wallpaper"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "WallpaperCLI",
"module_type" : "SwiftTarget",
"name" : "WallpaperCLI",
"path" : "Sources/WallpaperCLI",
"product_dependencies" : [
"ArgumentParser"
],
"product_memberships" : [
"wallpaper"
],
"sources" : [
"Utilities.swift",
"Wallpaper.swift"
],
"target_dependencies" : [
"Wallpaper"
],
"type" : "executable"
},
{
"c99name" : "Wallpaper",
"module_type" : "SwiftTarget",
"name" : "Wallpaper",
"path" : "Sources/Wallpaper",
"product_dependencies" : [
"SQLite"
],
"product_memberships" : [
"wallpaper",
"Wallpaper"
],
"sources" : [
"Utilities.swift",
"Wallpaper.swift"
],
"type" : "library"
}
],
"tools_version" : "5.11"
}
warning: 'spi-builder-workspace': the target name Wallpaper has different case on the filesystem and the Package.swift manifest file
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 GenerateManual
[2/2] Compiling plugin GenerateDoccReference
Building for debugging...
[2/13] Write sources
[2/13] Copying PrivacyInfo.xcprivacy
[4/13] Write sources
[7/13] Write wallpaper-entitlement.plist
[7/13] Write sources
[9/13] Write swift-version-2F0A5646E1D333AE.txt
[11/50] Compiling ArgumentParserToolInfo ToolInfo.swift
[12/50] Emitting module ArgumentParserToolInfo
[13/97] Emitting module ArgumentParser
[14/102] Compiling ArgumentParser InputKey.swift
[15/102] Compiling ArgumentParser InputOrigin.swift
[16/102] Compiling ArgumentParser Name.swift
[17/102] Compiling ArgumentParser Parsed.swift
[18/102] Compiling ArgumentParser ParsedValues.swift
[19/102] Emitting module SQLite
[20/105] Compiling ArgumentParser ArgumentHelp.swift
[21/105] Compiling ArgumentParser ArgumentVisibility.swift
[22/105] Compiling ArgumentParser CompletionKind.swift
[23/105] Compiling ArgumentParser Errors.swift
[24/105] Compiling ArgumentParser Flag.swift
[25/105] Compiling ArgumentParser NameSpecification.swift
[26/105] Compiling ArgumentParser Option.swift
[27/105] Compiling ArgumentParser OptionGroup.swift
[28/105] Compiling ArgumentParser ParentCommand.swift
[29/105] Compiling ArgumentParser AsyncParsableCommand.swift
[30/105] Compiling ArgumentParser Platform.swift
[31/105] Compiling ArgumentParser SequenceExtensions.swift
[32/105] Compiling ArgumentParser StringExtensions.swift
[33/105] Compiling ArgumentParser SwiftExtensions.swift
[34/105] Compiling ArgumentParser Tree.swift
[35/105] Compiling ArgumentParser CodingKeyValidator.swift
[36/105] Compiling ArgumentParser NonsenseFlagsValidator.swift
[37/105] Compiling ArgumentParser ParsableArgumentsValidation.swift
[38/105] Compiling ArgumentParser PositionalArgumentsValidator.swift
[39/105] Compiling ArgumentParser UniqueNamesValidator.swift
[40/105] Compiling ArgumentParser ParserError.swift
[41/105] Compiling ArgumentParser SplitArguments.swift
[42/105] Compiling ArgumentParser DumpHelpGenerator.swift
[43/105] Compiling ArgumentParser HelpCommand.swift
[44/105] Compiling ArgumentParser HelpGenerator.swift
[45/105] Compiling ArgumentParser BashCompletionsGenerator.swift
[46/105] Compiling ArgumentParser CompletionsGenerator.swift
[47/105] Compiling ArgumentParser FishCompletionsGenerator.swift
[48/105] Compiling ArgumentParser ZshCompletionsGenerator.swift
[49/105] Compiling ArgumentParser Argument.swift
[50/105] Compiling ArgumentParser ArgumentDiscussion.swift
[51/105] Compiling ArgumentParser ParsableCommand.swift
[52/105] Compiling ArgumentParser ArgumentDecoder.swift
[53/105] Compiling ArgumentParser ArgumentDefinition.swift
[54/105] Compiling ArgumentParser ArgumentSet.swift
[55/105] Compiling ArgumentParser CommandParser.swift
[56/105] Compiling SQLite Setter.swift
[57/105] Compiling SQLite WindowFunctions.swift
[58/105] Compiling SQLite resource_bundle_accessor.swift
[83/105] Compiling ArgumentParser CommandGroup.swift
[84/105] Compiling ArgumentParser EnumerableFlag.swift
[85/105] Compiling ArgumentParser ExpressibleByArgument.swift
[86/105] Compiling ArgumentParser ParsableArguments.swift
[87/105] Compiling ArgumentParser MessageInfo.swift
[88/105] Compiling ArgumentParser UsageGenerator.swift
[89/105] Compiling ArgumentParser CollectionExtensions.swift
[90/105] Compiling ArgumentParser Foundation.swift
[91/105] Compiling ArgumentParser Mutex.swift
[103/108] Emitting module Wallpaper
[104/108] Compiling Wallpaper Utilities.swift
[105/108] Compiling Wallpaper Wallpaper.swift
[106/111] Compiling WallpaperCLI Utilities.swift
[107/111] Emitting module WallpaperCLI
/Users/admin/builder/spi-builder-workspace/Sources/WallpaperCLI/Wallpaper.swift:7:13: warning: static property 'configuration' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
5 | @main
6 | struct Main: ParsableCommand {
7 | static var configuration = CommandConfiguration(
| |- warning: static property 'configuration' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'configuration' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'configuration' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
8 | commandName: "wallpaper", // TODO: Remove this when https://github.com/apple/swift-argument-parser/issues/295 is fixed.
9 | abstract: "Manage the desktop wallpaper",
/Users/admin/builder/spi-builder-workspace/Sources/WallpaperCLI/Wallpaper.swift:22:14: warning: static property 'configuration' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
20 | extension Main {
21 | struct Get: ParsableCommand {
22 | static var configuration = CommandConfiguration(
| |- warning: static property 'configuration' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'configuration' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'configuration' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
23 | abstract: "Get current wallpaper images."
24 | )
/Users/admin/builder/spi-builder-workspace/Sources/WallpaperCLI/Wallpaper.swift:36:14: warning: static property 'configuration' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
34 |
35 | struct Set: ParsableCommand {
36 | static var configuration = CommandConfiguration(
| |- warning: static property 'configuration' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'configuration' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'configuration' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
37 | abstract: "Set image as wallpaper."
38 | )
/Users/admin/builder/spi-builder-workspace/Sources/WallpaperCLI/Wallpaper.swift:76:14: warning: static property 'configuration' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
74 |
75 | struct SetSolidColor: ParsableCommand {
76 | static var configuration = CommandConfiguration(
| |- warning: static property 'configuration' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'configuration' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'configuration' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
77 | abstract: "Set solid color as wallpaper."
78 | )
/Users/admin/builder/spi-builder-workspace/Sources/WallpaperCLI/Wallpaper.swift:104:14: warning: static property 'configuration' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
102 |
103 | struct Screens: ParsableCommand {
104 | static var configuration = CommandConfiguration(
| |- warning: static property 'configuration' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'configuration' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'configuration' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
105 | abstract: "Get a list of available screens."
106 | )
[108/111] Compiling WallpaperCLI Wallpaper.swift
/Users/admin/builder/spi-builder-workspace/Sources/WallpaperCLI/Wallpaper.swift:7:13: warning: static property 'configuration' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
5 | @main
6 | struct Main: ParsableCommand {
7 | static var configuration = CommandConfiguration(
| |- warning: static property 'configuration' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'configuration' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'configuration' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
8 | commandName: "wallpaper", // TODO: Remove this when https://github.com/apple/swift-argument-parser/issues/295 is fixed.
9 | abstract: "Manage the desktop wallpaper",
/Users/admin/builder/spi-builder-workspace/Sources/WallpaperCLI/Wallpaper.swift:22:14: warning: static property 'configuration' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
20 | extension Main {
21 | struct Get: ParsableCommand {
22 | static var configuration = CommandConfiguration(
| |- warning: static property 'configuration' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'configuration' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'configuration' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
23 | abstract: "Get current wallpaper images."
24 | )
/Users/admin/builder/spi-builder-workspace/Sources/WallpaperCLI/Wallpaper.swift:36:14: warning: static property 'configuration' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
34 |
35 | struct Set: ParsableCommand {
36 | static var configuration = CommandConfiguration(
| |- warning: static property 'configuration' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'configuration' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'configuration' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
37 | abstract: "Set image as wallpaper."
38 | )
/Users/admin/builder/spi-builder-workspace/Sources/WallpaperCLI/Wallpaper.swift:76:14: warning: static property 'configuration' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
74 |
75 | struct SetSolidColor: ParsableCommand {
76 | static var configuration = CommandConfiguration(
| |- warning: static property 'configuration' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'configuration' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'configuration' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
77 | abstract: "Set solid color as wallpaper."
78 | )
/Users/admin/builder/spi-builder-workspace/Sources/WallpaperCLI/Wallpaper.swift:104:14: warning: static property 'configuration' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
102 |
103 | struct Screens: ParsableCommand {
104 | static var configuration = CommandConfiguration(
| |- warning: static property 'configuration' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'configuration' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'configuration' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
105 | abstract: "Get a list of available screens."
106 | )
[108/111] Write Objects.LinkFileList
[109/111] Linking wallpaper
[110/111] Applying wallpaper
Build complete! (22.56s)
Fetching https://github.com/stephencelis/SQLite.swift
Fetching https://github.com/apple/swift-argument-parser from cache
[1/11128] Fetching sqlite.swift
Fetched https://github.com/stephencelis/SQLite.swift from cache (1.31s)
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Computing version for https://github.com/stephencelis/SQLite.swift
Computed https://github.com/stephencelis/SQLite.swift at 0.16.0 (1.95s)
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Computing version for https://github.com/stephencelis/CSQLite
Computed https://github.com/stephencelis/CSQLite at 3.50.4 (1.67s)
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Creating working copy for https://github.com/sqlcipher/SQLCipher.swift
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Creating working copy for https://github.com/stephencelis/SQLite.swift
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Creating working copy for https://github.com/stephencelis/CSQLite
Working copy of https://github.com/stephencelis/CSQLite resolved at 3.50.4
Downloading binary artifact https://github.com/sqlcipher/SQLCipher.swift/releases/download/4.14.0/SQLCipher.xcframework.zip
[32750/49594657] Downloading https://github.com/sqlcipher/SQLCipher.swift/releases/download/4.14.0/SQLCipher.xcframework.zip
Downloaded https://github.com/sqlcipher/SQLCipher.swift/releases/download/4.14.0/SQLCipher.xcframework.zip (2.82s)
warning: 'spi-builder-workspace': the target name Wallpaper has different case on the filesystem and the Package.swift manifest file
Build complete.
{
"dependencies" : [
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"identity" : "swift-argument-parser",
"requirement" : {
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"upper_bound" : "2.0.0"
}
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"type" : "sourceControl",
"url" : "https://github.com/apple/swift-argument-parser"
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"requirement" : {
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"upper_bound" : "1.0.0"
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},
"type" : "sourceControl",
"url" : "https://github.com/stephencelis/SQLite.swift"
}
],
"manifest_display_name" : "Wallpaper",
"name" : "Wallpaper",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "10.13"
}
],
"products" : [
{
"name" : "wallpaper",
"targets" : [
"WallpaperCLI"
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}
},
{
"name" : "Wallpaper",
"targets" : [
"Wallpaper"
],
"type" : {
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}
}
],
"targets" : [
{
"c99name" : "WallpaperCLI",
"module_type" : "SwiftTarget",
"name" : "WallpaperCLI",
"path" : "Sources/WallpaperCLI",
"product_dependencies" : [
"ArgumentParser"
],
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"sources" : [
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],
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"type" : "executable"
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{
"c99name" : "Wallpaper",
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"name" : "Wallpaper",
"path" : "Sources/Wallpaper",
"product_dependencies" : [
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],
"product_memberships" : [
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"sources" : [
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"type" : "library"
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"tools_version" : "5.11"
}
warning: 'spi-builder-workspace': the target name Wallpaper has different case on the filesystem and the Package.swift manifest file
Done.