Swift Package IndexBuild Information
Successful build of SemiSingleton, reference main (a2bbad), with Swift 6.1 for macOS (SPM) on 27 Apr 2025 04:44:51 UTC.
Swift 6 data race errors: 2
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
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/happn-app/SemiSingleton.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/happn-app/SemiSingleton
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at a2bbad0 Dummy comment formatting fixes
Cloned https://github.com/happn-app/SemiSingleton.git
Revision (git rev-parse @):
a2bbad008641318f3f7faf2ec53e3bb8f0e080ff
SUCCESS checkout https://github.com/happn-app/SemiSingleton.git at main
Fetching https://github.com/happn-app/RecursiveSyncDispatch.git
Fetching https://github.com/apple/swift-log.git from cache
[1/178] Fetching recursivesyncdispatch
Fetched https://github.com/happn-app/RecursiveSyncDispatch.git from cache (0.58s)
Fetched https://github.com/apple/swift-log.git from cache (0.67s)
Computing version for https://github.com/happn-app/RecursiveSyncDispatch.git
Computed https://github.com/happn-app/RecursiveSyncDispatch.git at 1.0.1 (1.22s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.4.0 (0.53s)
Creating working copy for https://github.com/happn-app/RecursiveSyncDispatch.git
Working copy of https://github.com/happn-app/RecursiveSyncDispatch.git resolved at 1.0.1
Creating working copy for https://github.com/apple/swift-log.git
Working copy of https://github.com/apple/swift-log.git resolved at 1.4.0
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
"identity": ".resolve-product-dependencies",
"name": "resolve-dependencies",
"url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
"dependencies": [
{
"identity": "semisingleton",
"name": "SemiSingleton",
"url": "https://github.com/happn-app/SemiSingleton.git",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/SemiSingleton",
"dependencies": [
{
"identity": "swift-log",
"name": "swift-log",
"url": "https://github.com/apple/swift-log.git",
"version": "1.6.3",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-log",
"dependencies": [
]
},
{
"identity": "recursivesyncdispatch",
"name": "RecursiveSyncDispatch",
"url": "https://github.com/happn-app/RecursiveSyncDispatch.git",
"version": "1.0.1",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/RecursiveSyncDispatch",
"dependencies": [
]
}
]
}
]
}
Fetching https://github.com/happn-app/SemiSingleton.git
[1/421] Fetching semisingleton
Fetched https://github.com/happn-app/SemiSingleton.git from cache (0.73s)
Fetching https://github.com/apple/swift-log.git from cache
Fetching https://github.com/happn-app/RecursiveSyncDispatch.git from cache
Fetched https://github.com/happn-app/RecursiveSyncDispatch.git from cache (0.52s)
Fetched https://github.com/apple/swift-log.git from cache (0.52s)
Computing version for https://github.com/happn-app/RecursiveSyncDispatch.git
Computed https://github.com/happn-app/RecursiveSyncDispatch.git at 1.0.1 (0.58s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.6.3 (0.47s)
Creating working copy for https://github.com/happn-app/SemiSingleton.git
Working copy of https://github.com/happn-app/SemiSingleton.git resolved at main (a2bbad0)
Creating working copy for https://github.com/apple/swift-log.git
Working copy of https://github.com/apple/swift-log.git resolved at 1.6.3
Creating working copy for https://github.com/happn-app/RecursiveSyncDispatch.git
Working copy of https://github.com/happn-app/RecursiveSyncDispatch.git resolved at 1.0.1
warning: '.resolve-product-dependencies': dependency 'semisingleton' is not used by any target
Found 2 product dependencies
- swift-log
- RecursiveSyncDispatch
========================================
Build
========================================
Selected platform: macosSpm
Swift version: 6.1
Building package at path: $PWD
https://github.com/happn-app/SemiSingleton.git
https://github.com/happn-app/SemiSingleton.git
{
"dependencies" : [
{
"identity" : "swift-log",
"requirement" : {
"range" : [
{
"lower_bound" : "1.2.0",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-log.git"
},
{
"identity" : "recursivesyncdispatch",
"requirement" : {
"range" : [
{
"lower_bound" : "1.0.0",
"upper_bound" : "2.0.0"
}
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},
"type" : "sourceControl",
"url" : "https://github.com/happn-app/RecursiveSyncDispatch.git"
}
],
"manifest_display_name" : "SemiSingleton",
"name" : "SemiSingleton",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
],
"products" : [
{
"name" : "SemiSingleton",
"targets" : [
"SemiSingleton"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "SemiSingletonTests",
"module_type" : "SwiftTarget",
"name" : "SemiSingletonTests",
"path" : "Tests/SemiSingletonTests",
"sources" : [
"Helpers/ActorSemiSingleton.swift",
"Helpers/ReentrantSemiSingletonInit.swift",
"Helpers/SimpleSemiSingleton.swift",
"SemiSingletonTests.swift"
],
"target_dependencies" : [
"SemiSingleton"
],
"type" : "test"
},
{
"c99name" : "SemiSingleton",
"module_type" : "SwiftTarget",
"name" : "SemiSingleton",
"path" : "Sources/SemiSingleton",
"product_dependencies" : [
"Logging",
"RecursiveSyncDispatch"
],
"product_memberships" : [
"SemiSingleton"
],
"sources" : [
"LinuxStrongToWeakMapTable.swift",
"SemiSingletonConfig.swift",
"SemiSingletonStore.swift"
],
"type" : "library"
}
],
"tools_version" : "5.5"
}
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
Building for debugging...
[0/4] Write sources
[3/4] Write swift-version-2F0A5646E1D333AE.txt
[5/10] Emitting module Logging
[6/10] Compiling Logging Logging.swift
[7/10] Compiling Logging LogHandler.swift
[8/10] Compiling Logging Locks.swift
[9/10] Emitting module RecursiveSyncDispatch
[10/10] Compiling RecursiveSyncDispatch RecursiveSyncDispatch.swift
[11/14] Compiling SemiSingleton LinuxStrongToWeakMapTable.swift
[12/14] Compiling SemiSingleton SemiSingletonConfig.swift
/Users/admin/builder/spi-builder-workspace/Sources/SemiSingleton/SemiSingletonConfig.swift:45:20: warning: static property 'oslog' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
43 | #if canImport(os)
44 | @available(macOS 10.12, tvOS 10.0, iOS 10.0, watchOS 3.0, *)
45 | public static var oslog: OSLog? = .default
| |- warning: static property 'oslog' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'oslog' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'oslog' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
46 | #endif
47 | public static var logger: Logging.Logger? = {
/Users/admin/builder/spi-builder-workspace/Sources/SemiSingleton/SemiSingletonConfig.swift:47:20: warning: static property 'logger' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
45 | public static var oslog: OSLog? = .default
46 | #endif
47 | public static var logger: Logging.Logger? = {
| |- warning: static property 'logger' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'logger' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'logger' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
48 | #if canImport(os)
49 | if #available(macOS 10.12, tvOS 10.0, iOS 10.0, watchOS 3.0, *) {
[13/14] Emitting module SemiSingleton
/Users/admin/builder/spi-builder-workspace/Sources/SemiSingleton/SemiSingletonConfig.swift:45:20: warning: static property 'oslog' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
43 | #if canImport(os)
44 | @available(macOS 10.12, tvOS 10.0, iOS 10.0, watchOS 3.0, *)
45 | public static var oslog: OSLog? = .default
| |- warning: static property 'oslog' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'oslog' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'oslog' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
46 | #endif
47 | public static var logger: Logging.Logger? = {
/Users/admin/builder/spi-builder-workspace/Sources/SemiSingleton/SemiSingletonConfig.swift:47:20: warning: static property 'logger' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
45 | public static var oslog: OSLog? = .default
46 | #endif
47 | public static var logger: Logging.Logger? = {
| |- warning: static property 'logger' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'logger' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'logger' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
48 | #if canImport(os)
49 | if #available(macOS 10.12, tvOS 10.0, iOS 10.0, watchOS 3.0, *) {
[14/14] Compiling SemiSingleton SemiSingletonStore.swift
Build complete! (5.35s)
Build complete.
{
"dependencies" : [
{
"identity" : "swift-log",
"requirement" : {
"range" : [
{
"lower_bound" : "1.2.0",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-log.git"
},
{
"identity" : "recursivesyncdispatch",
"requirement" : {
"range" : [
{
"lower_bound" : "1.0.0",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/happn-app/RecursiveSyncDispatch.git"
}
],
"manifest_display_name" : "SemiSingleton",
"name" : "SemiSingleton",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
],
"products" : [
{
"name" : "SemiSingleton",
"targets" : [
"SemiSingleton"
],
"type" : {
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],
"targets" : [
{
"c99name" : "SemiSingletonTests",
"module_type" : "SwiftTarget",
"name" : "SemiSingletonTests",
"path" : "Tests/SemiSingletonTests",
"sources" : [
"Helpers/ActorSemiSingleton.swift",
"Helpers/ReentrantSemiSingletonInit.swift",
"Helpers/SimpleSemiSingleton.swift",
"SemiSingletonTests.swift"
],
"target_dependencies" : [
"SemiSingleton"
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"type" : "test"
},
{
"c99name" : "SemiSingleton",
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"product_memberships" : [
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"sources" : [
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"SemiSingletonConfig.swift",
"SemiSingletonStore.swift"
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"type" : "library"
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],
"tools_version" : "5.5"
}
Done.