LogStream – Build Information – Swift Package Index

Build Information

Successful build of LogStream, reference 1.3.0 (6f8369), with Swift 6.4 for macOS (SPM) on 20 Sep 2026 16:08:23 UTC.

Swift 6 data race errors: 0

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64

Build Log

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RunAll
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Builder version: 5.1.0
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:             6.4
Building package at path:  $PWD
https://github.com/Wouter01/LogStream.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Pre-planning 1 / 96]
[Planning deferred tasks]
[23 / 35]
[25 / 36] ExternalAppLoggerHeaders
[27 / 36] ExternalAppLoggerHeaders
[27 / 36] LogStream
[37 / 79]
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[70 / 79] LogStream
[76 / 79] LogStream
Build complete! (8.24 sec)
/Users/admin/builder/spi-builder-workspace/Sources/LogStream/LogStream.swift:99:16: [1;33mwarning: [1;39mstatic 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[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
 [0;36m97 |[0;0m     }
 [0;36m98 |[0;0m
 [0;36m99 |[0;0m     static let messageClass = unsafeBitCast(NSClassFromString("OSActivityLogMessageEvent"), to: _OSActivityLogMessageEvent.Type.self)
    [0;36m|[0;0m                |- [1;33mwarning: [1;39mstatic 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[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    [0;36m|[0;0m                |- [1;39mnote: [1;39madd '@MainActor' to make static property 'messageClass' part of global actor 'MainActor'[0;0m
    [0;36m|[0;0m                `- [1;39mnote: [1;39mdisable concurrency-safety checks if accesses are protected by an external synchronization mechanism[0;0m
[0;36m100 |[0;0m
[0;36m101 |[0;0m     static func createStream(
[#MutableGlobalVariable]: <https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable>
/Users/admin/builder/spi-builder-workspace/Sources/LogStream/LogStream.swift:99:16: [1;33mwarning: [1;39mstatic 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[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
 [0;36m97 |[0;0m     }
 [0;36m98 |[0;0m
 [0;36m99 |[0;0m     static let messageClass = unsafeBitCast(NSClassFromString("OSActivityLogMessageEvent"), to: _OSActivityLogMessageEvent.Type.self)
    [0;36m|[0;0m                |- [1;33mwarning: [1;39mstatic 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[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    [0;36m|[0;0m                |- [1;39mnote: [1;39madd '@MainActor' to make static property 'messageClass' part of global actor 'MainActor'[0;0m
    [0;36m|[0;0m                `- [1;39mnote: [1;39mdisable concurrency-safety checks if accesses are protected by an external synchronization mechanism[0;0m
[0;36m100 |[0;0m
[0;36m101 |[0;0m     static func createStream(
/Users/admin/builder/spi-builder-workspace/Sources/LogStream/LogStream.swift:39:38: [1;33mwarning: [1;39mcapture 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[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures\SendableClosureCaptures]8;;\]
 [0;36m37 |[0;0m
 [0;36m38 |[0;0m         continuation.onTermination = { _ in
 [0;36m39 |[0;0m             LoggingSupport.cancelLog(logstream)
    [0;36m|[0;0m                                      `- [1;33mwarning: [1;39mcapture 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[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures\SendableClosureCaptures]8;;\]
 [0;36m40 |[0;0m         }
 [0;36m41 |[0;0m
Swift.Optional:1:21: [1;39mnote: [1;39mgeneric enum 'Optional' does not conform to the 'Sendable' protocol[0;0m
[0;36m1 |[0;0m @frozen public enum Optional<Wrapped> : ~Copyable, ~Escapable where Wrapped : ~Copyable, Wrapped : ~Escapable {
  [0;36m|[0;0m                     `- [1;39mnote: [1;39mgeneric enum 'Optional' does not conform to the 'Sendable' protocol[0;0m
[0;36m2 |[0;0m     case none
[0;36m3 |[0;0m     case some(Wrapped)
/Users/admin/builder/spi-builder-workspace/Sources/LogStream/LogStream.swift:72:13: [1;33mwarning: [1;39mcapture 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[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures\SendableClosureCaptures]8;;\]
 [0;36m70 |[0;0m
 [0;36m71 |[0;0m         continuation.onTermination = { _ in
 [0;36m72 |[0;0m             logstreams.forEach(LoggingSupport.cancelLog)
    [0;36m|[0;0m             `- [1;33mwarning: [1;39mcapture 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[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures\SendableClosureCaptures]8;;\]
 [0;36m73 |[0;0m         }
 [0;36m74 |[0;0m
Swift.Array:1:23: [1;39mnote: [1;39mgeneric struct 'Array' does not conform to the 'Sendable' protocol[0;0m
[0;36m1 |[0;0m @frozen public struct Array<Element> : _DestructorSafeContainer {
  [0;36m|[0;0m                       `- [1;39mnote: [1;39mgeneric struct 'Array' does not conform to the 'Sendable' protocol[0;0m
[0;36m2 |[0;0m }
[#MutableGlobalVariable]: <https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable>
[#SendableClosureCaptures]: <https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures>
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.