Swift Package IndexBuild Information
Successful build of PerfectThread, reference 3.0.7 (a50b9a), with Swift 6.1 for macOS (SPM) on 25 Apr 2025 00:16:16 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/perfectlysoft/perfect-thread.git
Reference: 3.0.7
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/perfectlysoft/perfect-thread
* tag 3.0.7 -> FETCH_HEAD
HEAD is now at a50b9a3 Merge pull request #10 from PerfectlySoft/promisespromises
Cloned https://github.com/perfectlysoft/perfect-thread.git
Revision (git rev-parse @):
a50b9a33f08fce638f33ae3121613fe499cc23ec
SUCCESS checkout https://github.com/perfectlysoft/perfect-thread.git at 3.0.7
========================================
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": "perfect-thread",
"name": "PerfectThread",
"url": "https://github.com/perfectlysoft/perfect-thread.git",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/perfect-thread",
"dependencies": [
]
}
]
}
Fetching https://github.com/perfectlysoft/perfect-thread.git
[1/379] Fetching perfect-thread
Fetched https://github.com/perfectlysoft/perfect-thread.git from cache (0.73s)
Creating working copy for https://github.com/perfectlysoft/perfect-thread.git
Working copy of https://github.com/perfectlysoft/perfect-thread.git resolved at 3.0.7 (a50b9a3)
warning: '.resolve-product-dependencies': dependency 'perfect-thread' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform: macosSpm
Swift version: 6.1
Building package at path: $PWD
https://github.com/perfectlysoft/perfect-thread.git
https://github.com/perfectlysoft/perfect-thread.git
{
"dependencies" : [
],
"manifest_display_name" : "PerfectThread",
"name" : "PerfectThread",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
],
"products" : [
{
"name" : "PerfectThread",
"targets" : [
"PerfectThread"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "PerfectThreadTests",
"module_type" : "SwiftTarget",
"name" : "PerfectThreadTests",
"path" : "Tests/PerfectThreadTests",
"sources" : [
"PerfectThreadTests.swift"
],
"target_dependencies" : [
"PerfectThread"
],
"type" : "test"
},
{
"c99name" : "PerfectThread",
"module_type" : "SwiftTarget",
"name" : "PerfectThread",
"path" : "Sources/PerfectThread",
"product_memberships" : [
"PerfectThread"
],
"sources" : [
"Promise.swift",
"ThreadQueue.swift",
"Threading.swift"
],
"type" : "library"
}
],
"tools_version" : "4.0"
}
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...
[0/2] Write sources
[1/2] Write swift-version-2F0A5646E1D333AE.txt
[3/6] Compiling PerfectThread Promise.swift
/Users/admin/builder/spi-builder-workspace/Sources/PerfectThread/Promise.swift:63:9: warning: capture of 'closure' with non-sendable type '(Promise<ReturnType>) throws -> ()' in a '@Sendable' closure
61 | queue.async {
62 | do {
63 | try closure(self)
| |- warning: capture of 'closure' with non-sendable type '(Promise<ReturnType>) throws -> ()' in a '@Sendable' closure
| `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
64 | } catch {
65 | self.fail(error)
/Users/admin/builder/spi-builder-workspace/Sources/PerfectThread/Promise.swift:63:17: warning: capture of 'self' with non-sendable type 'Promise<ReturnType>' in a '@Sendable' closure
47 | import Dispatch
48 |
49 | public class Promise<ReturnType> {
| `- note: generic class 'Promise' does not conform to the 'Sendable' protocol
50 |
51 | let event = Threading.Event()
:
61 | queue.async {
62 | do {
63 | try closure(self)
| `- warning: capture of 'self' with non-sendable type 'Promise<ReturnType>' in a '@Sendable' closure
64 | } catch {
65 | self.fail(error)
/Users/admin/builder/spi-builder-workspace/Sources/PerfectThread/Promise.swift:77:5: warning: capture of 'self' with non-sendable type 'Promise<ReturnType>' in a '@Sendable' closure
47 | import Dispatch
48 |
49 | public class Promise<ReturnType> {
| `- note: generic class 'Promise' does not conform to the 'Sendable' protocol
50 |
51 | let event = Threading.Event()
:
75 | queue.async {
76 | do {
77 | self.set(try closure())
| `- warning: capture of 'self' with non-sendable type 'Promise<ReturnType>' in a '@Sendable' closure
78 | } catch {
79 | self.fail(error)
/Users/admin/builder/spi-builder-workspace/Sources/PerfectThread/Promise.swift:77:18: warning: capture of 'closure' with non-sendable type '() throws -> ReturnType' in a '@Sendable' closure
75 | queue.async {
76 | do {
77 | self.set(try closure())
| |- warning: capture of 'closure' with non-sendable type '() throws -> ReturnType' in a '@Sendable' closure
| `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
78 | } catch {
79 | self.fail(error)
/Users/admin/builder/spi-builder-workspace/Sources/PerfectThread/Promise.swift:87:5: warning: capture of 'self' with non-sendable type 'Promise<ReturnType>' in a '@Sendable' closure
47 | import Dispatch
48 |
49 | public class Promise<ReturnType> {
| `- note: generic class 'Promise' does not conform to the 'Sendable' protocol
50 |
51 | let event = Threading.Event()
:
85 | queue.async {
86 | do {
87 | self.set(try closure({ guard let v = try from.wait() else { throw BrokenPromise() } ; return v }))
| `- warning: capture of 'self' with non-sendable type 'Promise<ReturnType>' in a '@Sendable' closure
88 | } catch {
89 | self.fail(error)
/Users/admin/builder/spi-builder-workspace/Sources/PerfectThread/Promise.swift:87:18: warning: capture of 'closure' with non-sendable type '(() throws -> LastType) throws -> ReturnType' in a '@Sendable' closure
85 | queue.async {
86 | do {
87 | self.set(try closure({ guard let v = try from.wait() else { throw BrokenPromise() } ; return v }))
| |- warning: capture of 'closure' with non-sendable type '(() throws -> LastType) throws -> ReturnType' in a '@Sendable' closure
| `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
88 | } catch {
89 | self.fail(error)
/Users/admin/builder/spi-builder-workspace/Sources/PerfectThread/Promise.swift:87:46: warning: capture of 'from' with non-sendable type 'Promise<LastType>' in a '@Sendable' closure
47 | import Dispatch
48 |
49 | public class Promise<ReturnType> {
| `- note: generic class 'Promise' does not conform to the 'Sendable' protocol
50 |
51 | let event = Threading.Event()
:
85 | queue.async {
86 | do {
87 | self.set(try closure({ guard let v = try from.wait() else { throw BrokenPromise() } ; return v }))
| `- warning: capture of 'from' with non-sendable type 'Promise<LastType>' in a '@Sendable' closure
88 | } catch {
89 | self.fail(error)
/Users/admin/builder/spi-builder-workspace/Sources/PerfectThread/Promise.swift:87:46: warning: capture of 'from' with non-sendable type 'Promise<LastType>' in an isolated closure; this is an error in the Swift 6 language mode
47 | import Dispatch
48 |
49 | public class Promise<ReturnType> {
| `- note: generic class 'Promise' does not conform to the 'Sendable' protocol
50 |
51 | let event = Threading.Event()
:
85 | queue.async {
86 | do {
87 | self.set(try closure({ guard let v = try from.wait() else { throw BrokenPromise() } ; return v }))
| `- warning: capture of 'from' with non-sendable type 'Promise<LastType>' in an isolated closure; this is an error in the Swift 6 language mode
88 | } catch {
89 | self.fail(error)
[4/6] Compiling PerfectThread Threading.swift
[5/6] Emitting module PerfectThread
/Users/admin/builder/spi-builder-workspace/Sources/PerfectThread/ThreadQueue.swift:48:21: warning: static property 'serialQueues' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
46 | public extension Threading {
47 |
48 | private static var serialQueues = [String:ThreadQueue]()
| |- warning: static property 'serialQueues' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'serialQueues' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'serialQueues' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
49 | private static var concurrentQueues = [String:ThreadQueue]()
50 | private static let queuesLock = Threading.Lock()
/Users/admin/builder/spi-builder-workspace/Sources/PerfectThread/ThreadQueue.swift:49:21: warning: static property 'concurrentQueues' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
47 |
48 | private static var serialQueues = [String:ThreadQueue]()
49 | private static var concurrentQueues = [String:ThreadQueue]()
| |- warning: static property 'concurrentQueues' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'concurrentQueues' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'concurrentQueues' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
50 | private static let queuesLock = Threading.Lock()
51 |
/Users/admin/builder/spi-builder-workspace/Sources/PerfectThread/ThreadQueue.swift:50:21: warning: static property 'queuesLock' is not concurrency-safe because non-'Sendable' type 'Threading.Lock' may have shared mutable state; this is an error in the Swift 6 language mode
48 | private static var serialQueues = [String:ThreadQueue]()
49 | private static var concurrentQueues = [String:ThreadQueue]()
50 | private static let queuesLock = Threading.Lock()
| |- warning: static property 'queuesLock' is not concurrency-safe because non-'Sendable' type 'Threading.Lock' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'queuesLock' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
51 |
52 | private static let defaultQueue = DefaultQueue()
/Users/admin/builder/spi-builder-workspace/Sources/PerfectThread/Threading.swift:68:8: note: class 'Lock' does not conform to the 'Sendable' protocol
66 | /// The lock can be held by only one thread. Other threads attempting to secure the lock while it is held will block.
67 | /// The lock is initialized as being recursive. The locking thread may lock multiple times, but each lock should be accompanied by an unlock.
68 | class Lock {
| `- note: class 'Lock' does not conform to the 'Sendable' protocol
69 | var mutex = pthread_mutex_t()
70 | /// Initialize a new lock object.
/Users/admin/builder/spi-builder-workspace/Sources/PerfectThread/ThreadQueue.swift:52:21: warning: static property 'defaultQueue' is not concurrency-safe because non-'Sendable' type 'Threading.DefaultQueue' may have shared mutable state; this is an error in the Swift 6 language mode
50 | private static let queuesLock = Threading.Lock()
51 |
52 | private static let defaultQueue = DefaultQueue()
| |- warning: static property 'defaultQueue' is not concurrency-safe because non-'Sendable' type 'Threading.DefaultQueue' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'defaultQueue' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
53 |
54 | /// Queue type indicator.
:
60 | }
61 |
62 | private class DefaultQueue: ThreadQueue {
| `- note: class 'DefaultQueue' does not conform to the 'Sendable' protocol
63 | let name = "default"
64 | let type = Threading.QueueType.concurrent
[6/6] Compiling PerfectThread ThreadQueue.swift
/Users/admin/builder/spi-builder-workspace/Sources/PerfectThread/ThreadQueue.swift:48:21: warning: static property 'serialQueues' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
46 | public extension Threading {
47 |
48 | private static var serialQueues = [String:ThreadQueue]()
| |- warning: static property 'serialQueues' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'serialQueues' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'serialQueues' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
49 | private static var concurrentQueues = [String:ThreadQueue]()
50 | private static let queuesLock = Threading.Lock()
/Users/admin/builder/spi-builder-workspace/Sources/PerfectThread/ThreadQueue.swift:49:21: warning: static property 'concurrentQueues' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
47 |
48 | private static var serialQueues = [String:ThreadQueue]()
49 | private static var concurrentQueues = [String:ThreadQueue]()
| |- warning: static property 'concurrentQueues' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'concurrentQueues' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'concurrentQueues' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
50 | private static let queuesLock = Threading.Lock()
51 |
/Users/admin/builder/spi-builder-workspace/Sources/PerfectThread/ThreadQueue.swift:50:21: warning: static property 'queuesLock' is not concurrency-safe because non-'Sendable' type 'Threading.Lock' may have shared mutable state; this is an error in the Swift 6 language mode
48 | private static var serialQueues = [String:ThreadQueue]()
49 | private static var concurrentQueues = [String:ThreadQueue]()
50 | private static let queuesLock = Threading.Lock()
| |- warning: static property 'queuesLock' is not concurrency-safe because non-'Sendable' type 'Threading.Lock' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'queuesLock' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
51 |
52 | private static let defaultQueue = DefaultQueue()
/Users/admin/builder/spi-builder-workspace/Sources/PerfectThread/Threading.swift:68:8: note: class 'Lock' does not conform to the 'Sendable' protocol
66 | /// The lock can be held by only one thread. Other threads attempting to secure the lock while it is held will block.
67 | /// The lock is initialized as being recursive. The locking thread may lock multiple times, but each lock should be accompanied by an unlock.
68 | class Lock {
| `- note: class 'Lock' does not conform to the 'Sendable' protocol
69 | var mutex = pthread_mutex_t()
70 | /// Initialize a new lock object.
/Users/admin/builder/spi-builder-workspace/Sources/PerfectThread/ThreadQueue.swift:52:21: warning: static property 'defaultQueue' is not concurrency-safe because non-'Sendable' type 'Threading.DefaultQueue' may have shared mutable state; this is an error in the Swift 6 language mode
50 | private static let queuesLock = Threading.Lock()
51 |
52 | private static let defaultQueue = DefaultQueue()
| |- warning: static property 'defaultQueue' is not concurrency-safe because non-'Sendable' type 'Threading.DefaultQueue' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'defaultQueue' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
53 |
54 | /// Queue type indicator.
:
60 | }
61 |
62 | private class DefaultQueue: ThreadQueue {
| `- note: class 'DefaultQueue' does not conform to the 'Sendable' protocol
63 | let name = "default"
64 | let type = Threading.QueueType.concurrent
/Users/admin/builder/spi-builder-workspace/Sources/PerfectThread/ThreadQueue.swift:68:25: warning: passing non-sendable parameter 'closure' to function expecting a @Sendable closure
65 | let queue = DispatchQueue(label: "default", attributes: .concurrent)
66 | @inline(__always)
67 | final func dispatch(_ closure: @escaping Threading.ThreadClosure) {
| `- note: parameter 'closure' is implicitly non-sendable
68 | queue.async(execute: closure)
| `- warning: passing non-sendable parameter 'closure' to function expecting a @Sendable closure
69 | }
70 | }
Build complete! (4.06s)
Build complete.
{
"dependencies" : [
],
"manifest_display_name" : "PerfectThread",
"name" : "PerfectThread",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
],
"products" : [
{
"name" : "PerfectThread",
"targets" : [
"PerfectThread"
],
"type" : {
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"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "PerfectThreadTests",
"module_type" : "SwiftTarget",
"name" : "PerfectThreadTests",
"path" : "Tests/PerfectThreadTests",
"sources" : [
"PerfectThreadTests.swift"
],
"target_dependencies" : [
"PerfectThread"
],
"type" : "test"
},
{
"c99name" : "PerfectThread",
"module_type" : "SwiftTarget",
"name" : "PerfectThread",
"path" : "Sources/PerfectThread",
"product_memberships" : [
"PerfectThread"
],
"sources" : [
"Promise.swift",
"ThreadQueue.swift",
"Threading.swift"
],
"type" : "library"
}
],
"tools_version" : "4.0"
}
Done.