Swift Package IndexBuild Information
Successful build of RVS_PersistentPrefs, reference master (53b87f), with Swift 6.1 for macOS (SPM) on 9 Feb 2026 04:24:06 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: 4.68.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/RiftValleySoftware/RVS_PersistentPrefs.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/RiftValleySoftware/RVS_PersistentPrefs
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at 53b87fb This changes the name to the proper RVS_PersistentPrefs (fixing the old incorrect "RVS_Persistent_Prefs").
Cloned https://github.com/RiftValleySoftware/RVS_PersistentPrefs.git
Revision (git rev-parse @):
53b87fb1e974c95e35981ada462fcd8fe406643a
SUCCESS checkout https://github.com/RiftValleySoftware/RVS_PersistentPrefs.git at master
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Build
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Selected platform: macosSpm
Swift version: 6.1
Building package at path: $PWD
https://github.com/RiftValleySoftware/RVS_PersistentPrefs.git
https://github.com/RiftValleySoftware/RVS_PersistentPrefs.git
{
"dependencies" : [
],
"manifest_display_name" : "RVS_PersistentPrefs",
"name" : "RVS_PersistentPrefs",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "11.0"
},
{
"name" : "tvos",
"version" : "11.0"
},
{
"name" : "macos",
"version" : "10.14"
},
{
"name" : "watchos",
"version" : "5.0"
}
],
"products" : [
{
"name" : "RVS_PersistentPrefs",
"targets" : [
"RVS_PersistentPrefs"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "RVS_PersistentPrefs_Test",
"module_type" : "SwiftTarget",
"name" : "RVS_PersistentPrefs_Test",
"path" : "Tests/RVS_PersistentPrefs_Test",
"sources" : [
"RVS_Persistent_Prefs_MixedType_Tests.swift",
"RVS_Persistent_Prefs_Simple_Tests.swift",
"RVS_Persistent_Prefs_Thread_Tests.swift"
],
"target_dependencies" : [
"RVS_PersistentPrefs"
],
"type" : "test"
},
{
"c99name" : "RVS_PersistentPrefs",
"module_type" : "SwiftTarget",
"name" : "RVS_PersistentPrefs",
"path" : "Sources/RVS_PersistentPrefs",
"product_memberships" : [
"RVS_PersistentPrefs"
],
"sources" : [
"RVS_PersistentPrefs.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...
[0/2] Write sources
[1/2] Write swift-version-2F0A5646E1D333AE.txt
[3/4] Emitting module RVS_PersistentPrefs
/Users/admin/builder/spi-builder-workspace/Sources/RVS_PersistentPrefs/RVS_PersistentPrefs.swift:127:23: warning: static property 'groupID' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
125 | However, if there is a Group ID, the [`UserDefaults`](https://developer.apple.com/documentation/foundation/userdefaults/) for that group are used.
126 | */
127 | public static var groupID: String?
| |- warning: static property 'groupID' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'groupID' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'groupID' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
128 |
129 | /* ############################################################################################################################## */
[4/4] Compiling RVS_PersistentPrefs RVS_PersistentPrefs.swift
/Users/admin/builder/spi-builder-workspace/Sources/RVS_PersistentPrefs/RVS_PersistentPrefs.swift:127:23: warning: static property 'groupID' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
125 | However, if there is a Group ID, the [`UserDefaults`](https://developer.apple.com/documentation/foundation/userdefaults/) for that group are used.
126 | */
127 | public static var groupID: String?
| |- warning: static property 'groupID' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'groupID' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'groupID' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
128 |
129 | /* ############################################################################################################################## */
Build complete! (3.76s)
Build complete.
{
"dependencies" : [
],
"manifest_display_name" : "RVS_PersistentPrefs",
"name" : "RVS_PersistentPrefs",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "11.0"
},
{
"name" : "tvos",
"version" : "11.0"
},
{
"name" : "macos",
"version" : "10.14"
},
{
"name" : "watchos",
"version" : "5.0"
}
],
"products" : [
{
"name" : "RVS_PersistentPrefs",
"targets" : [
"RVS_PersistentPrefs"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "RVS_PersistentPrefs_Test",
"module_type" : "SwiftTarget",
"name" : "RVS_PersistentPrefs_Test",
"path" : "Tests/RVS_PersistentPrefs_Test",
"sources" : [
"RVS_Persistent_Prefs_MixedType_Tests.swift",
"RVS_Persistent_Prefs_Simple_Tests.swift",
"RVS_Persistent_Prefs_Thread_Tests.swift"
],
"target_dependencies" : [
"RVS_PersistentPrefs"
],
"type" : "test"
},
{
"c99name" : "RVS_PersistentPrefs",
"module_type" : "SwiftTarget",
"name" : "RVS_PersistentPrefs",
"path" : "Sources/RVS_PersistentPrefs",
"product_memberships" : [
"RVS_PersistentPrefs"
],
"sources" : [
"RVS_PersistentPrefs.swift"
],
"type" : "library"
}
],
"tools_version" : "5.5"
}
Done.