Swift Package IndexBuild Information
Successful build of LogStream, reference 1.3.0 (6f8369), with Swift 6.2 for macOS (SPM) on 21 Jun 2025 11:54:10 UTC.
Swift 6 data race errors: 0
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun swift build --arch arm64Build Log
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RunAll
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Builder version: 4.64.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/Wouter01/LogStream.git
Reference: 1.3.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Wouter01/LogStream
* tag 1.3.0 -> FETCH_HEAD
HEAD is now at 6f83694 Fix 5.8 support
Cloned https://github.com/Wouter01/LogStream.git
Revision (git rev-parse @):
6f83694b2675dcf3b1cea0a52546ff4469c18282
SUCCESS checkout https://github.com/Wouter01/LogStream.git at 1.3.0
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Build
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Selected platform: macosSpm
Swift version: 6.2
Building package at path: $PWD
https://github.com/Wouter01/LogStream.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun swift build --arch arm64
Building for debugging...
[0/3] Write sources
[1/3] Write swift-version-1EA4D86E10B52AF.txt
[2/3] Compiling ExternalAppLoggerHeaders _.c
[4/8] Compiling LogStream ActivityStreamOptions.swift
[5/8] Emitting module LogStream
/Users/admin/builder/spi-builder-workspace/Sources/LogStream/LogStream.swift:99:16: warning: static property 'messageClass' is not concurrency-safe because non-'Sendable' type 'any _OSActivityLogMessageEvent.Type' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
97 | }
98 |
99 | static let messageClass = unsafeBitCast(NSClassFromString("OSActivityLogMessageEvent"), to: _OSActivityLogMessageEvent.Type.self)
| |- warning: static property 'messageClass' is not concurrency-safe because non-'Sendable' type 'any _OSActivityLogMessageEvent.Type' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'messageClass' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
100 |
101 | static func createStream(
[#MutableGlobalVariable]: <https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable>
[6/8] Compiling LogStream LogStream.swift
/Users/admin/builder/spi-builder-workspace/Sources/LogStream/LogStream.swift:99:16: warning: static property 'messageClass' is not concurrency-safe because non-'Sendable' type 'any _OSActivityLogMessageEvent.Type' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
97 | }
98 |
99 | static let messageClass = unsafeBitCast(NSClassFromString("OSActivityLogMessageEvent"), to: _OSActivityLogMessageEvent.Type.self)
| |- warning: static property 'messageClass' is not concurrency-safe because non-'Sendable' type 'any _OSActivityLogMessageEvent.Type' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'messageClass' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
100 |
101 | static func createStream(
/Users/admin/builder/spi-builder-workspace/Sources/LogStream/LogStream.swift:39:38: warning: capture of 'logstream' with non-sendable type 'LoggingSupport.ActivityStream?' (aka 'Optional<OpaquePointer>') in a '@Sendable' closure; this is an error in the Swift 6 language mode [#SendableClosureCaptures]
37 |
38 | continuation.onTermination = { _ in
39 | LoggingSupport.cancelLog(logstream)
| `- warning: capture of 'logstream' with non-sendable type 'LoggingSupport.ActivityStream?' (aka 'Optional<OpaquePointer>') in a '@Sendable' closure; this is an error in the Swift 6 language mode [#SendableClosureCaptures]
40 | }
41 |
Swift.Optional:1:21: note: generic enum 'Optional' does not conform to the 'Sendable' protocol
1 | @frozen public enum Optional<Wrapped> : ~Copyable, ~Escapable where Wrapped : ~Copyable, Wrapped : ~Escapable {
| `- note: generic enum 'Optional' does not conform to the 'Sendable' protocol
2 | case none
3 | case some(Wrapped)
/Users/admin/builder/spi-builder-workspace/Sources/LogStream/LogStream.swift:72:13: warning: capture of 'logstreams' with non-sendable type '[LoggingSupport.ActivityStream?]' (aka 'Array<Optional<OpaquePointer>>') in a '@Sendable' closure; this is an error in the Swift 6 language mode [#SendableClosureCaptures]
70 |
71 | continuation.onTermination = { _ in
72 | logstreams.forEach(LoggingSupport.cancelLog)
| `- warning: capture of 'logstreams' with non-sendable type '[LoggingSupport.ActivityStream?]' (aka 'Array<Optional<OpaquePointer>>') in a '@Sendable' closure; this is an error in the Swift 6 language mode [#SendableClosureCaptures]
73 | }
74 |
Swift.Array:1:23: note: generic struct 'Array' does not conform to the 'Sendable' protocol
1 | @frozen public struct Array<Element> : _DestructorSafeContainer {
| `- note: generic struct 'Array' does not conform to the 'Sendable' protocol
2 | }
[#MutableGlobalVariable]: <https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable>
[#SendableClosureCaptures]: <https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures>
[7/8] Compiling LogStream LogMessage.swift
[8/8] Compiling LogStream LoggingSupport.swift
Build complete! (4.06s)
Build complete.
{
"dependencies" : [
],
"manifest_display_name" : "LogStream",
"name" : "LogStream",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "10.15"
},
{
"name" : "maccatalyst",
"version" : "13.0"
}
],
"products" : [
{
"name" : "LogStream",
"targets" : [
"LogStream"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "LogStreamTests",
"module_type" : "SwiftTarget",
"name" : "LogStreamTests",
"path" : "Tests/LogStreamTests",
"sources" : [
"LogStreamTests.swift"
],
"target_dependencies" : [
"LogStream"
],
"type" : "test"
},
{
"c99name" : "LogStream",
"module_type" : "SwiftTarget",
"name" : "LogStream",
"path" : "Sources/LogStream",
"product_memberships" : [
"LogStream"
],
"sources" : [
"ActivityStreamOptions.swift",
"LogMessage.swift",
"LogStream.swift",
"LoggingSupport.swift"
],
"target_dependencies" : [
"ExternalAppLoggerHeaders"
],
"type" : "library"
},
{
"c99name" : "ExternalAppLoggerHeaders",
"module_type" : "ClangTarget",
"name" : "ExternalAppLoggerHeaders",
"path" : "Sources/Headers",
"product_memberships" : [
"LogStream"
],
"sources" : [
"_.c"
],
"type" : "library"
}
],
"tools_version" : "5.8"
}
Done.