Swift Package IndexBuild Information
Successful build of SemiSingleton, reference 2.0.5 (9459d4), with Swift 6.1 for Linux on 27 Apr 2025 04:39:01 UTC.
Swift 6 data race errors: 2
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu -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 2>&1Build Log
========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/happn-app/SemiSingleton.git
Reference: 2.0.5
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: git branch -m <name>
From https://github.com/happn-app/SemiSingleton
* tag 2.0.5 -> FETCH_HEAD
HEAD is now at 9459d45 Update dependencies paths
Cloned https://github.com/happn-app/SemiSingleton.git
Revision (git rev-parse @):
9459d45f4d4719c306b5e0534438eeaa18fad27e
SUCCESS checkout https://github.com/happn-app/SemiSingleton.git at 2.0.5
========================================
Build
========================================
Selected platform: linux
Swift version: 6.1
Building package at path: $PWD
https://github.com/happn-app/SemiSingleton.git
https://github.com/happn-app/SemiSingleton.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
"dependencies" : [
{
"identity" : "swift-log",
"requirement" : {
"range" : [
{
"lower_bound" : "1.2.0",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-log.git"
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},
"type" : "sourceControl",
"url" : "https://github.com/happn-app/RecursiveSyncDispatch.git"
}
],
"manifest_display_name" : "SemiSingleton",
"name" : "SemiSingleton",
"path" : "/host/spi-builder-workspace",
"platforms" : [
],
"products" : [
{
"name" : "SemiSingleton",
"targets" : [
"SemiSingleton"
],
"type" : {
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"targets" : [
{
"c99name" : "SemiSingletonTests",
"module_type" : "SwiftTarget",
"name" : "SemiSingletonTests",
"path" : "Tests/SemiSingletonTests",
"sources" : [
"Helpers/ReentrantSemiSingletonInit.swift",
"Helpers/SimpleSemiSingleton.swift",
"SemiSingletonTests.swift"
],
"target_dependencies" : [
"SemiSingleton"
],
"type" : "test"
},
{
"c99name" : "SemiSingleton",
"module_type" : "SwiftTarget",
"name" : "SemiSingleton",
"path" : "Sources/SemiSingleton",
"product_dependencies" : [
"Logging",
"RecursiveSyncDispatch"
],
"product_memberships" : [
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],
"sources" : [
"LinuxStrongToWeakMapTable.swift",
"SemiSingletonConfig.swift",
"SemiSingletonStore.swift"
],
"type" : "library"
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"tools_version" : "5.1"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu -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 2>&1
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
Fetching https://github.com/apple/swift-log.git
Fetching https://github.com/happn-app/RecursiveSyncDispatch.git
[1/178] Fetching recursivesyncdispatch
[179/4014] Fetching recursivesyncdispatch, swift-log
Fetched https://github.com/happn-app/RecursiveSyncDispatch.git from cache (0.32s)
Fetched https://github.com/apple/swift-log.git from cache (0.33s)
Computing version for https://github.com/happn-app/RecursiveSyncDispatch.git
Computed https://github.com/happn-app/RecursiveSyncDispatch.git at 1.0.1 (1.48s)
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/happn-app/RecursiveSyncDispatch.git
Working copy of https://github.com/happn-app/RecursiveSyncDispatch.git resolved at 1.0.1
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
Building for debugging...
[0/4] Write sources
[3/4] Write swift-version-24593BA9C3E375BF.txt
[5/11] Emitting module Logging
[6/11] Compiling Logging MetadataProvider.swift
[7/11] Compiling Logging LogHandler.swift
[8/11] Compiling Logging Locks.swift
[9/11] Compiling Logging Logging.swift
[11/12] Compiling RecursiveSyncDispatch RecursiveSyncDispatch.swift
[12/12] Emitting module RecursiveSyncDispatch
[14/17] Emitting module SemiSingleton
/host/spi-builder-workspace/Sources/SemiSingleton/SemiSingletonConfig.swift:47:20: 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
45 | public static var oslog: OSLog? = .default
46 | #endif
47 | public static var logger: Logging.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
48 | #if canImport(os)
49 | if #available(macOS 10.12, tvOS 10.0, iOS 10.0, watchOS 3.0, *) {
/host/spi-builder-workspace/Sources/SemiSingleton/SemiSingletonStore.swift:69:20: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'SemiSingletonStore' may have shared mutable state; this is an error in the Swift 6 language mode
59 |
60 |
61 | public class SemiSingletonStore {
| `- note: class 'SemiSingletonStore' does not conform to the 'Sendable' protocol
62 |
63 | public enum Error : Swift.Error {
:
67 | }
68 |
69 | public static let shared = SemiSingletonStore(forceClassInKeys: true)
| |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'SemiSingletonStore' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'shared' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
70 |
71 | public let forceClassInKeys: Bool
[15/17] Compiling SemiSingleton LinuxStrongToWeakMapTable.swift
[16/17] Compiling SemiSingleton SemiSingletonConfig.swift
/host/spi-builder-workspace/Sources/SemiSingleton/SemiSingletonConfig.swift:47:20: 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
45 | public static var oslog: OSLog? = .default
46 | #endif
47 | public static var logger: Logging.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
48 | #if canImport(os)
49 | if #available(macOS 10.12, tvOS 10.0, iOS 10.0, watchOS 3.0, *) {
[17/17] Compiling SemiSingleton SemiSingletonStore.swift
/host/spi-builder-workspace/Sources/SemiSingleton/SemiSingletonStore.swift:69:20: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'SemiSingletonStore' may have shared mutable state; this is an error in the Swift 6 language mode
59 |
60 |
61 | public class SemiSingletonStore {
| `- note: class 'SemiSingletonStore' does not conform to the 'Sendable' protocol
62 |
63 | public enum Error : Swift.Error {
:
67 | }
68 |
69 | public static let shared = SemiSingletonStore(forceClassInKeys: true)
| |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'SemiSingletonStore' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'shared' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
70 |
71 | public let forceClassInKeys: Bool
Build complete! (8.05s)
Build complete.
{
"dependencies" : [
{
"identity" : "swift-log",
"requirement" : {
"range" : [
{
"lower_bound" : "1.2.0",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-log.git"
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"type" : "sourceControl",
"url" : "https://github.com/happn-app/RecursiveSyncDispatch.git"
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"manifest_display_name" : "SemiSingleton",
"name" : "SemiSingleton",
"path" : "/host/spi-builder-workspace",
"platforms" : [
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"targets" : [
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"sources" : [
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"SemiSingletonTests.swift"
],
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],
"type" : "test"
},
{
"c99name" : "SemiSingleton",
"module_type" : "SwiftTarget",
"name" : "SemiSingleton",
"path" : "Sources/SemiSingleton",
"product_dependencies" : [
"Logging",
"RecursiveSyncDispatch"
],
"product_memberships" : [
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],
"sources" : [
"LinuxStrongToWeakMapTable.swift",
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"SemiSingletonStore.swift"
],
"type" : "library"
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"tools_version" : "5.1"
}
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
Done.