Swift Package IndexBuild Information
Successful build of LoggerAPI, reference 2.0.0 (4e6b45), with Swift 6.1 for macOS (SPM) on 26 Apr 2025 13:17:30 UTC.
Swift 6 data race errors: 4
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
========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Kitura/LoggerAPI.git
Reference: 2.0.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Kitura/LoggerAPI
* tag 2.0.0 -> FETCH_HEAD
HEAD is now at 4e6b45e Update CI config; minimum Swift version is now 5.0 (#59)
Cloned https://github.com/Kitura/LoggerAPI.git
Revision (git rev-parse @):
4e6b45e850ffa275e8e26a24c6454fd709d5b6ac
SUCCESS checkout https://github.com/Kitura/LoggerAPI.git at 2.0.0
Fetching https://github.com/apple/swift-log.git from cache
Fetched https://github.com/apple/swift-log.git from cache (0.74s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.6.3 (1.25s)
Creating working copy for https://github.com/apple/swift-log.git
Working copy of https://github.com/apple/swift-log.git resolved at 1.6.3
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
"identity": ".resolve-product-dependencies",
"name": "resolve-dependencies",
"url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
"dependencies": [
{
"identity": "loggerapi",
"name": "LoggerAPI",
"url": "https://github.com/Kitura/LoggerAPI.git",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/LoggerAPI",
"dependencies": [
{
"identity": "swift-log",
"name": "swift-log",
"url": "https://github.com/apple/swift-log.git",
"version": "1.6.3",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-log",
"dependencies": [
]
}
]
}
]
}
Fetching https://github.com/Kitura/LoggerAPI.git
[1/771] Fetching loggerapi
Fetched https://github.com/Kitura/LoggerAPI.git from cache (1.05s)
Fetching https://github.com/apple/swift-log.git from cache
Fetched https://github.com/apple/swift-log.git from cache (0.52s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.6.3 (0.57s)
Creating working copy for https://github.com/apple/swift-log.git
Working copy of https://github.com/apple/swift-log.git resolved at 1.6.3
Creating working copy for https://github.com/Kitura/LoggerAPI.git
Working copy of https://github.com/Kitura/LoggerAPI.git resolved at 2.0.0 (4e6b45e)
warning: '.resolve-product-dependencies': dependency 'loggerapi' is not used by any target
Found 1 product dependencies
- swift-log
========================================
Build
========================================
Selected platform: macosSpm
Swift version: 6.1
Building package at path: $PWD
https://github.com/Kitura/LoggerAPI.git
https://github.com/Kitura/LoggerAPI.git
{
"dependencies" : [
{
"identity" : "swift-log",
"requirement" : {
"range" : [
{
"lower_bound" : "1.0.0",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-log.git"
}
],
"manifest_display_name" : "LoggerAPI",
"name" : "LoggerAPI",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
],
"products" : [
{
"name" : "LoggerAPI",
"targets" : [
"LoggerAPI"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "LoggerAPI",
"module_type" : "SwiftTarget",
"name" : "LoggerAPI",
"path" : "Sources/LoggerAPI",
"product_dependencies" : [
"Logging"
],
"product_memberships" : [
"LoggerAPI"
],
"sources" : [
"Logger.swift"
],
"type" : "library"
}
],
"tools_version" : "5.0"
}
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...
[0/3] Write sources
[2/3] Write swift-version-2F0A5646E1D333AE.txt
[4/8] Compiling Logging MetadataProvider.swift
[5/8] Compiling Logging Locks.swift
[6/8] Compiling Logging LogHandler.swift
[7/8] Compiling Logging Logging.swift
[8/8] Emitting module Logging
[9/10] Emitting module LoggerAPI
/Users/admin/builder/spi-builder-workspace/Sources/LoggerAPI/Logger.swift:83:24: warning: static property '_logger' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
81 | public class Log {
82 |
83 | private static var _logger: Logger?
| |- warning: static property '_logger' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert '_logger' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property '_logger' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
84 | private static var _loggerLock: NSLock = NSLock()
85 |
/Users/admin/builder/spi-builder-workspace/Sources/LoggerAPI/Logger.swift:84:24: warning: static property '_loggerLock' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
82 |
83 | private static var _logger: Logger?
84 | private static var _loggerLock: NSLock = NSLock()
| |- warning: static property '_loggerLock' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert '_loggerLock' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property '_loggerLock' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
85 |
86 | /// An instance of the logger. It should usually be the one and only reference
/Users/admin/builder/spi-builder-workspace/Sources/LoggerAPI/Logger.swift:99:24: warning: static property '_swiftLogger' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
97 | }
98 |
99 | private static var _swiftLogger: Logging.Logger?
| |- warning: static property '_swiftLogger' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert '_swiftLogger' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property '_swiftLogger' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
100 | private static var _swiftLoggerLock: NSLock = NSLock()
101 |
/Users/admin/builder/spi-builder-workspace/Sources/LoggerAPI/Logger.swift:100:24: warning: static property '_swiftLoggerLock' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
98 |
99 | private static var _swiftLogger: Logging.Logger?
100 | private static var _swiftLoggerLock: NSLock = NSLock()
| |- warning: static property '_swiftLoggerLock' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert '_swiftLoggerLock' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property '_swiftLoggerLock' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
101 |
102 | /// An instance of a swift-log Logger. If set, LoggerAPI will direct log messages
[10/10] Compiling LoggerAPI Logger.swift
/Users/admin/builder/spi-builder-workspace/Sources/LoggerAPI/Logger.swift:83:24: warning: static property '_logger' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
81 | public class Log {
82 |
83 | private static var _logger: Logger?
| |- warning: static property '_logger' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert '_logger' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property '_logger' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
84 | private static var _loggerLock: NSLock = NSLock()
85 |
/Users/admin/builder/spi-builder-workspace/Sources/LoggerAPI/Logger.swift:84:24: warning: static property '_loggerLock' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
82 |
83 | private static var _logger: Logger?
84 | private static var _loggerLock: NSLock = NSLock()
| |- warning: static property '_loggerLock' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert '_loggerLock' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property '_loggerLock' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
85 |
86 | /// An instance of the logger. It should usually be the one and only reference
/Users/admin/builder/spi-builder-workspace/Sources/LoggerAPI/Logger.swift:99:24: warning: static property '_swiftLogger' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
97 | }
98 |
99 | private static var _swiftLogger: Logging.Logger?
| |- warning: static property '_swiftLogger' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert '_swiftLogger' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property '_swiftLogger' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
100 | private static var _swiftLoggerLock: NSLock = NSLock()
101 |
/Users/admin/builder/spi-builder-workspace/Sources/LoggerAPI/Logger.swift:100:24: warning: static property '_swiftLoggerLock' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
98 |
99 | private static var _swiftLogger: Logging.Logger?
100 | private static var _swiftLoggerLock: NSLock = NSLock()
| |- warning: static property '_swiftLoggerLock' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert '_swiftLoggerLock' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property '_swiftLoggerLock' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
101 |
102 | /// An instance of a swift-log Logger. If set, LoggerAPI will direct log messages
Build complete! (4.72s)
Build complete.
{
"dependencies" : [
{
"identity" : "swift-log",
"requirement" : {
"range" : [
{
"lower_bound" : "1.0.0",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-log.git"
}
],
"manifest_display_name" : "LoggerAPI",
"name" : "LoggerAPI",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
],
"products" : [
{
"name" : "LoggerAPI",
"targets" : [
"LoggerAPI"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "LoggerAPI",
"module_type" : "SwiftTarget",
"name" : "LoggerAPI",
"path" : "Sources/LoggerAPI",
"product_dependencies" : [
"Logging"
],
"product_memberships" : [
"LoggerAPI"
],
"sources" : [
"Logger.swift"
],
"type" : "library"
}
],
"tools_version" : "5.0"
}
Done.