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Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Failed to build Entwine, reference v0.9.1 (cd90cf), with Swift 6.0 for Linux on 1 Nov 2024 01:14:42 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.56.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/tcldr/Entwine.git
Reference: v0.9.1
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/tcldr/Entwine
 * tag               v0.9.1     -> FETCH_HEAD
HEAD is now at cd90cfb fix TestScheduler repeating actions
Cloned https://github.com/tcldr/Entwine.git
Revision (git rev-parse @):
cd90cfb2510c35ba082d9c7a8910bdacc6fa840f
SUCCESS checkout https://github.com/tcldr/Entwine.git at v0.9.1
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $PWD
https://github.com/tcldr/Entwine.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete 2>&1
basic-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:47d26c99ca4f1ac0a332c85fd5b13ff4390e72115219984a57a68fe9d1063a05
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
Building for debugging...
[0/3] Write sources
[2/3] Write swift-version-24593BA9C3E375BF.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[4/19] Emitting module Entwine
/host/spi-builder-workspace/Sources/Entwine/Common/Utilities/SinkQueue.swift:25:8: error: no such module 'Combine'
 23 | //  THE SOFTWARE.
 24 |
 25 | import Combine
    |        `- error: no such module 'Combine'
 26 |
 27 | // MARK: - SinkQueue definition
[5/21] Compiling Entwine Signpost.swift
/host/spi-builder-workspace/Sources/Entwine/Common/Utilities/SinkQueue.swift:25:8: error: no such module 'Combine'
 23 | //  THE SOFTWARE.
 24 |
 25 | import Combine
    |        `- error: no such module 'Combine'
 26 |
 27 | // MARK: - SinkQueue definition
[6/21] Compiling Entwine WithLatestFrom.swift
/host/spi-builder-workspace/Sources/Entwine/Common/Utilities/SinkQueue.swift:25:8: error: no such module 'Combine'
 23 | //  THE SOFTWARE.
 24 |
 25 | import Combine
    |        `- error: no such module 'Combine'
 26 |
 27 | // MARK: - SinkQueue definition
[7/21] Compiling Entwine Signal.swift
/host/spi-builder-workspace/Sources/Entwine/Common/Utilities/SinkQueue.swift:25:8: error: no such module 'Combine'
 23 | //  THE SOFTWARE.
 24 |
 25 | import Combine
    |        `- error: no such module 'Combine'
 26 |
 27 | // MARK: - SinkQueue definition
[8/21] Compiling Entwine DeallocToken.swift
/host/spi-builder-workspace/Sources/Entwine/Common/Utilities/SinkQueue.swift:25:8: error: no such module 'Combine'
 23 | //  THE SOFTWARE.
 24 |
 25 | import Combine
    |        `- error: no such module 'Combine'
 26 |
 27 | // MARK: - SinkQueue definition
[9/21] Compiling Entwine Materialize.swift
/host/spi-builder-workspace/Sources/Entwine/Common/Utilities/SinkQueue.swift:25:8: error: no such module 'Combine'
 23 | //  THE SOFTWARE.
 24 |
 25 | import Combine
    |        `- error: no such module 'Combine'
 26 |
 27 | // MARK: - SinkQueue definition
[10/21] Compiling Entwine ReferenceCounted.swift
/host/spi-builder-workspace/Sources/Entwine/Common/Utilities/SinkQueue.swift:25:8: error: no such module 'Combine'
 23 | //  THE SOFTWARE.
 24 |
 25 | import Combine
    |        `- error: no such module 'Combine'
 26 |
 27 | // MARK: - SinkQueue definition
[11/21] Compiling Entwine ReplaySubject.swift
/host/spi-builder-workspace/Sources/Entwine/Common/Utilities/SinkQueue.swift:25:8: error: no such module 'Combine'
 23 | //  THE SOFTWARE.
 24 |
 25 | import Combine
    |        `- error: no such module 'Combine'
 26 |
 27 | // MARK: - SinkQueue definition
[12/21] Compiling Entwine ShareReplay.swift
/host/spi-builder-workspace/Sources/Entwine/Common/Utilities/SinkQueue.swift:25:8: error: no such module 'Combine'
 23 | //  THE SOFTWARE.
 24 |
 25 | import Combine
    |        `- error: no such module 'Combine'
 26 |
 27 | // MARK: - SinkQueue definition
[13/21] Compiling Entwine Deprecations.swift
/host/spi-builder-workspace/Sources/Entwine/Common/Utilities/SinkQueue.swift:25:8: error: no such module 'Combine'
 23 | //  THE SOFTWARE.
 24 |
 25 | import Combine
    |        `- error: no such module 'Combine'
 26 |
 27 | // MARK: - SinkQueue definition
[14/21] Compiling Entwine Dematerialize.swift
/host/spi-builder-workspace/Sources/Entwine/Common/Utilities/SinkQueue.swift:25:8: error: no such module 'Combine'
 23 | //  THE SOFTWARE.
 24 |
 25 | import Combine
    |        `- error: no such module 'Combine'
 26 |
 27 | // MARK: - SinkQueue definition
[15/21] Compiling Entwine SinkQueue.swift
/host/spi-builder-workspace/Sources/Entwine/Common/Utilities/SinkQueue.swift:25:8: error: no such module 'Combine'
 23 | //  THE SOFTWARE.
 24 |
 25 | import Combine
    |        `- error: no such module 'Combine'
 26 |
 27 | // MARK: - SinkQueue definition
[16/21] Compiling Entwine CancellableBag.swift
/host/spi-builder-workspace/Sources/Entwine/Common/Utilities/SinkQueue.swift:25:8: error: no such module 'Combine'
 23 | //  THE SOFTWARE.
 24 |
 25 | import Combine
    |        `- error: no such module 'Combine'
 26 |
 27 | // MARK: - SinkQueue definition
[17/21] Compiling Entwine LinkedListQueue.swift
/host/spi-builder-workspace/Sources/Entwine/Common/DataStructures/LinkedListQueue.swift:36:5: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 34 |     private var regular = Subnode.empty
 35 |     private var inverse = Subnode.empty
 36 |     private (set) var count = 0
    |     `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 37 |
 38 |     /// O(n) where n is the length of the sequence
/host/spi-builder-workspace/Sources/Entwine/Common/DataStructures/LinkedListStack.swift:32:5: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 30 |     typealias Node = LinkedList<Element>
 31 |
 32 |     private (set) var node = Node.empty
    |     `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 33 |
 34 |     init<C: Collection>(_ elements: C) where C.Element == Element {
/host/spi-builder-workspace/Sources/Entwine/Common/Utilities/SinkQueue.swift:25:8: error: no such module 'Combine'
 23 | //  THE SOFTWARE.
 24 |
 25 | import Combine
    |        `- error: no such module 'Combine'
 26 |
 27 | // MARK: - SinkQueue definition
[18/21] Compiling Entwine LinkedListStack.swift
/host/spi-builder-workspace/Sources/Entwine/Common/DataStructures/LinkedListQueue.swift:36:5: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 34 |     private var regular = Subnode.empty
 35 |     private var inverse = Subnode.empty
 36 |     private (set) var count = 0
    |     `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 37 |
 38 |     /// O(n) where n is the length of the sequence
/host/spi-builder-workspace/Sources/Entwine/Common/DataStructures/LinkedListStack.swift:32:5: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 30 |     typealias Node = LinkedList<Element>
 31 |
 32 |     private (set) var node = Node.empty
    |     `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 33 |
 34 |     init<C: Collection>(_ elements: C) where C.Element == Element {
/host/spi-builder-workspace/Sources/Entwine/Common/Utilities/SinkQueue.swift:25:8: error: no such module 'Combine'
 23 | //  THE SOFTWARE.
 24 |
 25 | import Combine
    |        `- error: no such module 'Combine'
 26 |
 27 | // MARK: - SinkQueue definition
[19/21] Compiling Entwine PriorityQueue.swift
/host/spi-builder-workspace/Sources/Entwine/Common/DataStructures/LinkedListQueue.swift:36:5: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 34 |     private var regular = Subnode.empty
 35 |     private var inverse = Subnode.empty
 36 |     private (set) var count = 0
    |     `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 37 |
 38 |     /// O(n) where n is the length of the sequence
/host/spi-builder-workspace/Sources/Entwine/Common/DataStructures/LinkedListStack.swift:32:5: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 30 |     typealias Node = LinkedList<Element>
 31 |
 32 |     private (set) var node = Node.empty
    |     `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 33 |
 34 |     init<C: Collection>(_ elements: C) where C.Element == Element {
/host/spi-builder-workspace/Sources/Entwine/Common/Utilities/SinkQueue.swift:25:8: error: no such module 'Combine'
 23 | //  THE SOFTWARE.
 24 |
 25 | import Combine
    |        `- error: no such module 'Combine'
 26 |
 27 | // MARK: - SinkQueue definition
[20/21] Compiling Entwine Factory.swift
/host/spi-builder-workspace/Sources/Entwine/Common/Utilities/SinkQueue.swift:25:8: error: no such module 'Combine'
 23 | //  THE SOFTWARE.
 24 |
 25 | import Combine
    |        `- error: no such module 'Combine'
 26 |
 27 | // MARK: - SinkQueue definition
[21/21] Compiling Entwine TrampolineScheduler.swift
/host/spi-builder-workspace/Sources/Entwine/Common/Utilities/SinkQueue.swift:25:8: error: no such module 'Combine'
 23 | //  THE SOFTWARE.
 24 |
 25 | import Combine
    |        `- error: no such module 'Combine'
 26 |
 27 | // MARK: - SinkQueue definition
BUILD FAILURE 6.0 linux