Build Information
Successful build of Mutex, reference 0.0.6 (177015), with Swift 6.3 for macOS (SPM) on 21 Apr 2026 19:32:50 UTC.
Swift 6 data race errors: 0
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64Build Log
========================================
RunAll
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Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/swhitty/swift-mutex.git
Reference: 0.0.6
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/swhitty/swift-mutex
* tag 0.0.6 -> FETCH_HEAD
HEAD is now at 1770152 Swift 6.1.2 musl
Cloned https://github.com/swhitty/swift-mutex.git
Revision (git rev-parse @):
1770152df756b54c28ef1787df1e957d93cc62d5
SUCCESS checkout https://github.com/swhitty/swift-mutex.git at 0.0.6
========================================
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",
"traits": [
"default"
],
"dependencies": [
{
"identity": "swift-mutex",
"name": "Mutex",
"url": "https://github.com/swhitty/swift-mutex.git",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-mutex",
"traits": [
"default"
],
"dependencies": [
]
}
]
}
Fetching https://github.com/swhitty/swift-mutex.git
[1/324] Fetching swift-mutex
Fetched https://github.com/swhitty/swift-mutex.git from cache (0.95s)
Creating working copy for https://github.com/swhitty/swift-mutex.git
Working copy of https://github.com/swhitty/swift-mutex.git resolved at 0.0.6 (1770152)
warning: '.resolve-product-dependencies': dependency 'swift-mutex' is not used by any target
Found 0 product dependencies
========================================
Build
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Selected platform: macosSpm
Swift version: 6.3
Building package at path: $PWD
https://github.com/swhitty/swift-mutex.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version--6988338F2F200930.txt
[3/6] Compiling Mutex Mutex.swift
/Users/admin/builder/spi-builder-workspace/Sources/Mutex.swift:42:34: warning: '15.0' is not a valid version number for visionOS
40 | @available(tvOS, deprecated: 15.0, message: "use Mutex from Synchronization module")
41 | @available(watchOS, deprecated: 15.0, message: "use Mutex from Synchronization module")
42 | @available(visionOS, deprecated: 15.0, message: "use Mutex from Synchronization module")
| `- warning: '15.0' is not a valid version number for visionOS
43 | public struct Mutex<Value: ~Copyable>: ~Copyable {
44 | let storage: Storage<Value>
/Users/admin/builder/spi-builder-workspace/Sources/Mutex.swift:41:33: warning: '15.0' is not a valid version number for watchOS
39 | @available(iOS, deprecated: 18.0, message: "use Mutex from Synchronization module")
40 | @available(tvOS, deprecated: 15.0, message: "use Mutex from Synchronization module")
41 | @available(watchOS, deprecated: 15.0, message: "use Mutex from Synchronization module")
| `- warning: '15.0' is not a valid version number for watchOS
42 | @available(visionOS, deprecated: 15.0, message: "use Mutex from Synchronization module")
43 | public struct Mutex<Value: ~Copyable>: ~Copyable {
[4/6] Compiling Mutex MutexSwift5.swift
[5/6] Emitting module Mutex
/Users/admin/builder/spi-builder-workspace/Sources/AllocatedLock.swift:77:18: warning: 'AllocatedLock' is deprecated: Unused by Mutex and will be removed in future versions. [#DeprecatedDeclaration]
75 | }
76 |
77 | public extension AllocatedLock where State == Void {
| `- warning: 'AllocatedLock' is deprecated: Unused by Mutex and will be removed in future versions. [#DeprecatedDeclaration]
78 |
79 | init() {
/Users/admin/builder/spi-builder-workspace/Sources/AllocatedLock.swift:135:11: warning: 'AllocatedLock' is deprecated: Unused by Mutex and will be removed in future versions. [#DeprecatedDeclaration]
133 | import func os.os_unfair_lock_trylock
134 |
135 | extension AllocatedLock {
| `- warning: 'AllocatedLock' is deprecated: Unused by Mutex and will be removed in future versions. [#DeprecatedDeclaration]
136 | @usableFromInline
137 | final class Storage {
/Users/admin/builder/spi-builder-workspace/Sources/Mutex.swift:42:34: warning: '15.0' is not a valid version number for visionOS
40 | @available(tvOS, deprecated: 15.0, message: "use Mutex from Synchronization module")
41 | @available(watchOS, deprecated: 15.0, message: "use Mutex from Synchronization module")
42 | @available(visionOS, deprecated: 15.0, message: "use Mutex from Synchronization module")
| `- warning: '15.0' is not a valid version number for visionOS
43 | public struct Mutex<Value: ~Copyable>: ~Copyable {
44 | let storage: Storage<Value>
/Users/admin/builder/spi-builder-workspace/Sources/Mutex.swift:41:33: warning: '15.0' is not a valid version number for watchOS
39 | @available(iOS, deprecated: 18.0, message: "use Mutex from Synchronization module")
40 | @available(tvOS, deprecated: 15.0, message: "use Mutex from Synchronization module")
41 | @available(watchOS, deprecated: 15.0, message: "use Mutex from Synchronization module")
| `- warning: '15.0' is not a valid version number for watchOS
42 | @available(visionOS, deprecated: 15.0, message: "use Mutex from Synchronization module")
43 | public struct Mutex<Value: ~Copyable>: ~Copyable {
[#DeprecatedDeclaration]: <https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration>
[6/6] Compiling Mutex AllocatedLock.swift
/Users/admin/builder/spi-builder-workspace/Sources/AllocatedLock.swift:77:18: warning: 'AllocatedLock' is deprecated: Unused by Mutex and will be removed in future versions. [#DeprecatedDeclaration]
75 | }
76 |
77 | public extension AllocatedLock where State == Void {
| `- warning: 'AllocatedLock' is deprecated: Unused by Mutex and will be removed in future versions. [#DeprecatedDeclaration]
78 |
79 | init() {
/Users/admin/builder/spi-builder-workspace/Sources/AllocatedLock.swift:135:11: warning: 'AllocatedLock' is deprecated: Unused by Mutex and will be removed in future versions. [#DeprecatedDeclaration]
133 | import func os.os_unfair_lock_trylock
134 |
135 | extension AllocatedLock {
| `- warning: 'AllocatedLock' is deprecated: Unused by Mutex and will be removed in future versions. [#DeprecatedDeclaration]
136 | @usableFromInline
137 | final class Storage {
[#DeprecatedDeclaration]: <https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration>
Build complete! (2.49s)
Build complete.
{
"dependencies" : [
],
"manifest_display_name" : "Mutex",
"name" : "Mutex",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "10.15"
},
{
"name" : "ios",
"version" : "13.0"
},
{
"name" : "tvos",
"version" : "13.0"
},
{
"name" : "watchos",
"version" : "6.0"
},
{
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"version" : "1.0"
}
],
"products" : [
{
"name" : "Mutex",
"targets" : [
"Mutex"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "MutexTests",
"module_type" : "SwiftTarget",
"name" : "MutexTests",
"path" : "Tests",
"sources" : [
"AllocatedLock+Unsafe.swift",
"AllocatedLockTests.swift",
"AllocatedLockXCTests.swift",
"MutexTests.swift",
"MutexXCTests.swift"
],
"target_dependencies" : [
"Mutex"
],
"type" : "test"
},
{
"c99name" : "Mutex",
"module_type" : "SwiftTarget",
"name" : "Mutex",
"path" : "Sources",
"product_memberships" : [
"Mutex"
],
"sources" : [
"AllocatedLock.swift",
"Mutex.swift",
"MutexSwift5.swift"
],
"type" : "library"
}
],
"tools_version" : "6.0"
}
Done.