Swift Package IndexBuild Information
Successful build of CollectionConcurrencyKit, reference 0.2.0 (b4f23e), with Swift 6.2 (beta) for Wasm on 19 Jun 2025 06:52:23 UTC.
Swift 6 data race errors: 0
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:wasm-6.2-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1Build Log
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RunAll
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Builder version: 4.64.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/JohnSundell/CollectionConcurrencyKit.git
Reference: 0.2.0
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/JohnSundell/CollectionConcurrencyKit
* tag 0.2.0 -> FETCH_HEAD
HEAD is now at b4f23e2 README: Update system requirements for concurrency back-compat
Cloned https://github.com/JohnSundell/CollectionConcurrencyKit.git
Revision (git rev-parse @):
b4f23e24b5a1bff301efc5e70871083ca029ff95
SUCCESS checkout https://github.com/JohnSundell/CollectionConcurrencyKit.git at 0.2.0
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Build
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Selected platform: wasm
Swift version: 6.2
Building package at path: $PWD
https://github.com/JohnSundell/CollectionConcurrencyKit.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:wasm-6.2-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1
wasm-6.2-latest: Pulling from finestructure/spi-images
Digest: sha256:44384f43f933eaa0f42803e9ef7c3d8388c5841ccc831a15a5edf63d8c273423
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:wasm-6.2-latest
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/4] Compiling CollectionConcurrencyKit CollectionConcurrencyKit.swift
/host/spi-builder-workspace/Sources/CollectionConcurrencyKit.swift:39:11: warning: capture of non-Sendable type 'Self.Type' in an isolated closure; this is an error in the Swift 6 language mode
37 | func concurrentForEach(
38 | withPriority priority: TaskPriority? = nil,
39 | _ operation: @escaping (Element) async -> Void
| `- warning: capture of non-Sendable type 'Self.Type' in an isolated closure; this is an error in the Swift 6 language mode
40 | ) async {
41 | await withTaskGroup(of: Void.self) { group in
/host/spi-builder-workspace/Sources/CollectionConcurrencyKit.swift:65:11: warning: capture of non-Sendable type 'Self.Type' in an isolated closure; this is an error in the Swift 6 language mode
63 | func concurrentForEach(
64 | withPriority priority: TaskPriority? = nil,
65 | _ operation: @escaping (Element) async throws -> Void
| `- warning: capture of non-Sendable type 'Self.Type' in an isolated closure; this is an error in the Swift 6 language mode
66 | ) async throws {
67 | try await withThrowingTaskGroup(of: Void.self) { group in
/host/spi-builder-workspace/Sources/CollectionConcurrencyKit.swift:122:11: warning: capture of non-Sendable type 'Self.Type' in an isolated closure; this is an error in the Swift 6 language mode
120 | func concurrentMap<T>(
121 | withPriority priority: TaskPriority? = nil,
122 | _ transform: @escaping (Element) async -> T
| `- warning: capture of non-Sendable type 'Self.Type' in an isolated closure; this is an error in the Swift 6 language mode
123 | ) async -> [T] {
124 | let tasks = map { element in
/host/spi-builder-workspace/Sources/CollectionConcurrencyKit.swift:153:11: warning: capture of non-Sendable type 'Self.Type' in an isolated closure; this is an error in the Swift 6 language mode
151 | func concurrentMap<T>(
152 | withPriority priority: TaskPriority? = nil,
153 | _ transform: @escaping (Element) async throws -> T
| `- warning: capture of non-Sendable type 'Self.Type' in an isolated closure; this is an error in the Swift 6 language mode
154 | ) async throws -> [T] {
155 | let tasks = map { element in
/host/spi-builder-workspace/Sources/CollectionConcurrencyKit.swift:217:11: warning: capture of non-Sendable type 'Self.Type' in an isolated closure; this is an error in the Swift 6 language mode
215 | func concurrentCompactMap<T>(
216 | withPriority priority: TaskPriority? = nil,
217 | _ transform: @escaping (Element) async -> T?
| `- warning: capture of non-Sendable type 'Self.Type' in an isolated closure; this is an error in the Swift 6 language mode
218 | ) async -> [T] {
219 | let tasks = map { element in
/host/spi-builder-workspace/Sources/CollectionConcurrencyKit.swift:250:11: warning: capture of non-Sendable type 'Self.Type' in an isolated closure; this is an error in the Swift 6 language mode
248 | func concurrentCompactMap<T>(
249 | withPriority priority: TaskPriority? = nil,
250 | _ transform: @escaping (Element) async throws -> T?
| `- warning: capture of non-Sendable type 'Self.Type' in an isolated closure; this is an error in the Swift 6 language mode
251 | ) async throws -> [T] {
252 | let tasks = map { element in
/host/spi-builder-workspace/Sources/CollectionConcurrencyKit.swift:316:17: warning: capture of non-Sendable type 'T.Type' in an isolated closure; this is an error in the Swift 6 language mode
314 | let tasks = map { element in
315 | Task(priority: priority) {
316 | await transform(element)
| `- warning: capture of non-Sendable type 'T.Type' in an isolated closure; this is an error in the Swift 6 language mode
317 | }
318 | }
/host/spi-builder-workspace/Sources/CollectionConcurrencyKit.swift:312:11: warning: capture of non-Sendable type 'Self.Type' in an isolated closure; this is an error in the Swift 6 language mode
310 | func concurrentFlatMap<T: Sequence>(
311 | withPriority priority: TaskPriority? = nil,
312 | _ transform: @escaping (Element) async -> T
| `- warning: capture of non-Sendable type 'Self.Type' in an isolated closure; this is an error in the Swift 6 language mode
313 | ) async -> [T.Element] {
314 | let tasks = map { element in
/host/spi-builder-workspace/Sources/CollectionConcurrencyKit.swift:312:11: warning: capture of non-Sendable type 'T.Type' in an isolated closure; this is an error in the Swift 6 language mode
310 | func concurrentFlatMap<T: Sequence>(
311 | withPriority priority: TaskPriority? = nil,
312 | _ transform: @escaping (Element) async -> T
| `- warning: capture of non-Sendable type 'T.Type' in an isolated closure; this is an error in the Swift 6 language mode
313 | ) async -> [T.Element] {
314 | let tasks = map { element in
/host/spi-builder-workspace/Sources/CollectionConcurrencyKit.swift:350:21: warning: capture of non-Sendable type 'T.Type' in an isolated closure; this is an error in the Swift 6 language mode
348 | let tasks = map { element in
349 | Task(priority: priority) {
350 | try await transform(element)
| `- warning: capture of non-Sendable type 'T.Type' in an isolated closure; this is an error in the Swift 6 language mode
351 | }
352 | }
/host/spi-builder-workspace/Sources/CollectionConcurrencyKit.swift:346:11: warning: capture of non-Sendable type 'Self.Type' in an isolated closure; this is an error in the Swift 6 language mode
344 | func concurrentFlatMap<T: Sequence>(
345 | withPriority priority: TaskPriority? = nil,
346 | _ transform: @escaping (Element) async throws -> T
| `- warning: capture of non-Sendable type 'Self.Type' in an isolated closure; this is an error in the Swift 6 language mode
347 | ) async throws -> [T.Element] {
348 | let tasks = map { element in
/host/spi-builder-workspace/Sources/CollectionConcurrencyKit.swift:346:11: warning: capture of non-Sendable type 'T.Type' in an isolated closure; this is an error in the Swift 6 language mode
344 | func concurrentFlatMap<T: Sequence>(
345 | withPriority priority: TaskPriority? = nil,
346 | _ transform: @escaping (Element) async throws -> T
| `- warning: capture of non-Sendable type 'T.Type' in an isolated closure; this is an error in the Swift 6 language mode
347 | ) async throws -> [T.Element] {
348 | let tasks = map { element in
[4/4] Emitting module CollectionConcurrencyKit
Build complete! (8.54s)
Build complete.
{
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"platforms" : [
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"targets" : [
{
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"sources" : [
"CompactMapTests.swift",
"FlatMapTests.swift",
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"TestCase.swift",
"TimingTests.swift"
],
"target_dependencies" : [
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],
"type" : "test"
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{
"c99name" : "CollectionConcurrencyKit",
"module_type" : "SwiftTarget",
"name" : "CollectionConcurrencyKit",
"path" : "Sources",
"product_memberships" : [
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"sources" : [
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"type" : "library"
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"tools_version" : "5.5"
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wasm-6.2-latest: Pulling from finestructure/spi-images
Digest: sha256:44384f43f933eaa0f42803e9ef7c3d8388c5841ccc831a15a5edf63d8c273423
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:wasm-6.2-latest
Done.