Swift Package IndexBuild Information
Successful build of Zephyr, reference 5.0.1 (6acddc), with Swift 6.1 for macOS (SPM) on 16 Aug 2026 09:18:40 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
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RunAll
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Builder version: undefined version: run 'make version' to update
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/ArtSabintsev/Zephyr.git
Reference: 5.0.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/ArtSabintsev/Zephyr
* tag 5.0.1 -> FETCH_HEAD
HEAD is now at 6acddc8 Release 5.0.1: inbound iCloud events stay inside monitored keys
Cloned https://github.com/ArtSabintsev/Zephyr.git
Revision (git rev-parse @):
6acddc82e7dded8725d2b752caeae3735e72715d
SUCCESS checkout https://github.com/ArtSabintsev/Zephyr.git at 5.0.1
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Build
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Selected platform: macosSpm
Swift version: 6.1
Building package at path: $PWD
https://github.com/ArtSabintsev/Zephyr.git
https://github.com/ArtSabintsev/Zephyr.git
{
"dependencies" : [
],
"manifest_display_name" : "Zephyr",
"name" : "Zephyr",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "17.0"
},
{
"name" : "tvos",
"version" : "17.0"
},
{
"name" : "watchos",
"version" : "10.0"
},
{
"name" : "macos",
"version" : "14.0"
}
],
"products" : [
{
"name" : "Zephyr",
"targets" : [
"Zephyr"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"swift_languages_versions" : [
"5"
],
"targets" : [
{
"c99name" : "ZephyrTests",
"module_type" : "SwiftTarget",
"name" : "ZephyrTests",
"path" : "Tests/ZephyrTests",
"sources" : [
"ZephyrReconcilerTests.swift"
],
"target_dependencies" : [
"Zephyr"
],
"type" : "test"
},
{
"c99name" : "Zephyr",
"module_type" : "SwiftTarget",
"name" : "Zephyr",
"path" : "Sources",
"product_memberships" : [
"Zephyr"
],
"sources" : [
"Zephyr.swift",
"ZephyrReconciler.swift"
],
"type" : "library"
}
],
"tools_version" : "5.9"
}
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
[3/5] Compiling Zephyr ZephyrReconciler.swift
[4/5] Compiling Zephyr Zephyr.swift
/Users/admin/builder/spi-builder-workspace/Sources/Zephyr.swift:39:24: warning: static property '_debugEnabled' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
37 |
38 | private static let flagLock = NSLock()
39 | private static var _debugEnabled = false
| |- warning: static property '_debugEnabled' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert '_debugEnabled' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property '_debugEnabled' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
40 | private static var _syncOnChange = true
41 |
/Users/admin/builder/spi-builder-workspace/Sources/Zephyr.swift:40:24: warning: static property '_syncOnChange' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
38 | private static let flagLock = NSLock()
39 | private static var _debugEnabled = false
40 | private static var _syncOnChange = true
| |- warning: static property '_syncOnChange' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert '_syncOnChange' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property '_syncOnChange' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
41 |
42 | private static let shared = Zephyr()
[5/5] Emitting module Zephyr
/Users/admin/builder/spi-builder-workspace/Sources/Zephyr.swift:39:24: warning: static property '_debugEnabled' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
37 |
38 | private static let flagLock = NSLock()
39 | private static var _debugEnabled = false
| |- warning: static property '_debugEnabled' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert '_debugEnabled' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property '_debugEnabled' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
40 | private static var _syncOnChange = true
41 |
/Users/admin/builder/spi-builder-workspace/Sources/Zephyr.swift:40:24: warning: static property '_syncOnChange' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
38 | private static let flagLock = NSLock()
39 | private static var _debugEnabled = false
40 | private static var _syncOnChange = true
| |- warning: static property '_syncOnChange' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert '_syncOnChange' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property '_syncOnChange' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
41 |
42 | private static let shared = Zephyr()
Build complete! (5.60s)
Build complete.
{
"dependencies" : [
],
"manifest_display_name" : "Zephyr",
"name" : "Zephyr",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "17.0"
},
{
"name" : "tvos",
"version" : "17.0"
},
{
"name" : "watchos",
"version" : "10.0"
},
{
"name" : "macos",
"version" : "14.0"
}
],
"products" : [
{
"name" : "Zephyr",
"targets" : [
"Zephyr"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"swift_languages_versions" : [
"5"
],
"targets" : [
{
"c99name" : "ZephyrTests",
"module_type" : "SwiftTarget",
"name" : "ZephyrTests",
"path" : "Tests/ZephyrTests",
"sources" : [
"ZephyrReconcilerTests.swift"
],
"target_dependencies" : [
"Zephyr"
],
"type" : "test"
},
{
"c99name" : "Zephyr",
"module_type" : "SwiftTarget",
"name" : "Zephyr",
"path" : "Sources",
"product_memberships" : [
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],
"sources" : [
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"ZephyrReconciler.swift"
],
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}
],
"tools_version" : "5.9"
}
Done.