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Build Information

Successful build of swift-log, reference main (ac3646), with Swift 6.1 for macOS (SPM) on 1 May 2026 17:40:13 UTC.

Swift 6 data race errors: 0

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 InferSendableFromCaptures

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/apple/swift-log.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/apple/swift-log
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at ac3646e Disable nightly 6.3 WASM builds (#454)
Cloned https://github.com/apple/swift-log.git
Revision (git rev-parse @):
ac3646e5e0cc783fdb39a70971fac1e37b19202b
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/apple/swift-log.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/apple/swift-log.git
https://github.com/apple/swift-log.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "swift-log",
  "name" : "swift-log",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Logging",
      "targets" : [
        "Logging"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "InMemoryLogging",
      "targets" : [
        "InMemoryLogging"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "basic-usage",
      "targets" : [
        "basic-usage"
      ],
      "type" : {
        "snippet" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "LoggingTests",
      "module_type" : "SwiftTarget",
      "name" : "LoggingTests",
      "path" : "Tests/LoggingTests",
      "sources" : [
        "CompatibilityTest.swift",
        "GlobalLoggingTest.swift",
        "LocalLoggingTest.swift",
        "LockTest.swift",
        "LogEventTest.swift",
        "LoggingTest.swift",
        "MDCTest.swift",
        "MetadataProviderTest.swift",
        "StreamLogHandlerTest.swift",
        "SubDirectoryOfLoggingTests/EmitALogFromSubDirectory.swift",
        "SwiftLogNoOpLogHandlerTest.swift",
        "TestLogger.swift",
        "TestSendable.swift"
      ],
      "target_dependencies" : [
        "Logging"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Logging",
      "module_type" : "SwiftTarget",
      "name" : "Logging",
      "path" : "Sources/Logging",
      "product_memberships" : [
        "Logging",
        "InMemoryLogging",
        "basic-usage"
      ],
      "sources" : [
        "Handlers/MultiplexLogHandler.swift",
        "Handlers/StreamLogHandler.swift",
        "Handlers/SwiftLogNoOpLogHandler.swift",
        "Locks.swift",
        "LogEvent.swift",
        "LogHandler.swift",
        "Logger.swift",
        "LoggingSystem.swift",
        "MetadataProvider.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "InMemoryLoggingTests",
      "module_type" : "SwiftTarget",
      "name" : "InMemoryLoggingTests",
      "path" : "Tests/InMemoryLoggingTests",
      "sources" : [
        "InMemoryLogHandlerTests.swift"
      ],
      "target_dependencies" : [
        "InMemoryLogging",
        "Logging"
      ],
      "type" : "test"
    },
    {
      "c99name" : "InMemoryLogging",
      "module_type" : "SwiftTarget",
      "name" : "InMemoryLogging",
      "path" : "Sources/InMemoryLogging",
      "product_memberships" : [
        "InMemoryLogging",
        "basic-usage"
      ],
      "sources" : [
        "InMemoryLogHandler.swift"
      ],
      "target_dependencies" : [
        "Logging"
      ],
      "type" : "library"
    },
    {
      "c99name" : "basic_usage",
      "module_type" : "SwiftTarget",
      "name" : "basic-usage",
      "path" : "Snippets",
      "product_memberships" : [
        "basic-usage"
      ],
      "sources" : [
        "basic-usage.swift"
      ],
      "target_dependencies" : [
        "Logging",
        "InMemoryLogging"
      ],
      "type" : "snippet"
    }
  ],
  "tools_version" : "6.1"
}
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...
[0/6] Write sources
[3/6] Write swift-version-2F0A5646E1D333AE.txt
[5/16] Compiling Logging LoggingSystem.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[6/16] Compiling Logging SwiftLogNoOpLogHandler.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[7/16] Compiling Logging Logger.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[8/16] Compiling Logging Locks.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[9/16] Compiling Logging LogHandler.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[10/16] Compiling Logging MetadataProvider.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[11/16] Emitting module Logging
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[12/16] Compiling Logging MultiplexLogHandler.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[13/16] Compiling Logging LogEvent.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[14/16] Compiling Logging StreamLogHandler.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[15/18] Emitting module InMemoryLogging
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[16/18] Compiling InMemoryLogging InMemoryLogHandler.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[17/20] Emitting module basic_usage
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[18/20] Compiling basic_usage basic-usage.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[18/20] Write Objects.LinkFileList
[19/20] Linking basic-usage
Build complete! (3.35s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "swift-log",
  "name" : "swift-log",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Logging",
      "targets" : [
        "Logging"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "InMemoryLogging",
      "targets" : [
        "InMemoryLogging"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "basic-usage",
      "targets" : [
        "basic-usage"
      ],
      "type" : {
        "snippet" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "LoggingTests",
      "module_type" : "SwiftTarget",
      "name" : "LoggingTests",
      "path" : "Tests/LoggingTests",
      "sources" : [
        "CompatibilityTest.swift",
        "GlobalLoggingTest.swift",
        "LocalLoggingTest.swift",
        "LockTest.swift",
        "LogEventTest.swift",
        "LoggingTest.swift",
        "MDCTest.swift",
        "MetadataProviderTest.swift",
        "StreamLogHandlerTest.swift",
        "SubDirectoryOfLoggingTests/EmitALogFromSubDirectory.swift",
        "SwiftLogNoOpLogHandlerTest.swift",
        "TestLogger.swift",
        "TestSendable.swift"
      ],
      "target_dependencies" : [
        "Logging"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Logging",
      "module_type" : "SwiftTarget",
      "name" : "Logging",
      "path" : "Sources/Logging",
      "product_memberships" : [
        "Logging",
        "InMemoryLogging",
        "basic-usage"
      ],
      "sources" : [
        "Handlers/MultiplexLogHandler.swift",
        "Handlers/StreamLogHandler.swift",
        "Handlers/SwiftLogNoOpLogHandler.swift",
        "Locks.swift",
        "LogEvent.swift",
        "LogHandler.swift",
        "Logger.swift",
        "LoggingSystem.swift",
        "MetadataProvider.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "InMemoryLoggingTests",
      "module_type" : "SwiftTarget",
      "name" : "InMemoryLoggingTests",
      "path" : "Tests/InMemoryLoggingTests",
      "sources" : [
        "InMemoryLogHandlerTests.swift"
      ],
      "target_dependencies" : [
        "InMemoryLogging",
        "Logging"
      ],
      "type" : "test"
    },
    {
      "c99name" : "InMemoryLogging",
      "module_type" : "SwiftTarget",
      "name" : "InMemoryLogging",
      "path" : "Sources/InMemoryLogging",
      "product_memberships" : [
        "InMemoryLogging",
        "basic-usage"
      ],
      "sources" : [
        "InMemoryLogHandler.swift"
      ],
      "target_dependencies" : [
        "Logging"
      ],
      "type" : "library"
    },
    {
      "c99name" : "basic_usage",
      "module_type" : "SwiftTarget",
      "name" : "basic-usage",
      "path" : "Snippets",
      "product_memberships" : [
        "basic-usage"
      ],
      "sources" : [
        "basic-usage.swift"
      ],
      "target_dependencies" : [
        "Logging",
        "InMemoryLogging"
      ],
      "type" : "snippet"
    }
  ],
  "tools_version" : "6.1"
}
Done.