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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 Workflow, reference main (20d302), with Swift 6.0 for Linux on 5 May 2025 21:26:22 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.61.3
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/square/workflow-swift.git
Reference: main
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/square/workflow-swift
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 20d3025 Adds a convenience for mapping Never outputs to other types (#340)
Cloned https://github.com/square/workflow-swift.git
Revision (git rev-parse @):
20d3025f9e20d1a5c120656964101f8a4e4f96a6
SUCCESS checkout https://github.com/square/workflow-swift.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $PWD
https://github.com/square/workflow-swift.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:9029076bb687edc160a3d5201c89e92dd9fa7309f33f090c4234365c83366c31
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
Fetching https://github.com/pointfreeco/swift-macro-testing
Fetching https://github.com/pointfreeco/swift-perception
Fetching https://github.com/pointfreeco/swift-identified-collections
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Fetching https://github.com/swiftlang/swift-syntax
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Fetched https://github.com/ReactiveCocoa/ReactiveSwift.git from cache (3.03s)
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Fetched https://github.com/swiftlang/swift-syntax from cache (8.66s)
Fetched https://github.com/ReactiveX/RxSwift.git from cache (8.46s)
Computing version for https://github.com/ReactiveCocoa/ReactiveSwift.git
Computed https://github.com/ReactiveCocoa/ReactiveSwift.git at 7.2.0 (1.84s)
Computing version for https://github.com/pointfreeco/swift-perception
Computed https://github.com/pointfreeco/swift-perception at 1.6.0 (0.52s)
Fetching https://github.com/pointfreeco/xctest-dynamic-overlay
[1/5431] Fetching xctest-dynamic-overlay
Fetched https://github.com/pointfreeco/xctest-dynamic-overlay from cache (0.66s)
Computing version for https://github.com/pointfreeco/swift-custom-dump
Computed https://github.com/pointfreeco/swift-custom-dump at 1.3.3 (0.53s)
Computing version for https://github.com/pointfreeco/swift-identified-collections
Computed https://github.com/pointfreeco/swift-identified-collections at 1.1.1 (0.47s)
Fetching https://github.com/apple/swift-collections
[1/16371] Fetching swift-collections
Fetched https://github.com/apple/swift-collections from cache (0.98s)
Computing version for https://github.com/pointfreeco/swift-case-paths
Computed https://github.com/pointfreeco/swift-case-paths at 1.7.0 (1.95s)
Computing version for https://github.com/ReactiveX/RxSwift.git
Computed https://github.com/ReactiveX/RxSwift.git at 6.9.0 (0.51s)
Computing version for https://github.com/pointfreeco/swift-macro-testing
Computed https://github.com/pointfreeco/swift-macro-testing at 0.6.2 (0.55s)
Fetching https://github.com/pointfreeco/swift-snapshot-testing
[1/13159] Fetching swift-snapshot-testing
Fetched https://github.com/pointfreeco/swift-snapshot-testing from cache (1.73s)
Computing version for https://github.com/pointfreeco/swift-snapshot-testing
Computed https://github.com/pointfreeco/swift-snapshot-testing at 1.18.3 (0.49s)
Computing version for https://github.com/apple/swift-collections
Computed https://github.com/apple/swift-collections at 1.1.4 (0.74s)
Computing version for https://github.com/pointfreeco/xctest-dynamic-overlay
Computed https://github.com/pointfreeco/xctest-dynamic-overlay at 1.5.2 (0.55s)
Computing version for https://github.com/swiftlang/swift-syntax
Computed https://github.com/swiftlang/swift-syntax at 600.0.1 (0.82s)
Creating working copy for https://github.com/swiftlang/swift-syntax
Working copy of https://github.com/swiftlang/swift-syntax resolved at 600.0.1
Creating working copy for https://github.com/ReactiveCocoa/ReactiveSwift.git
Working copy of https://github.com/ReactiveCocoa/ReactiveSwift.git resolved at 7.2.0
Creating working copy for https://github.com/ReactiveX/RxSwift.git
Working copy of https://github.com/ReactiveX/RxSwift.git resolved at 6.9.0
Creating working copy for https://github.com/pointfreeco/swift-identified-collections
Working copy of https://github.com/pointfreeco/swift-identified-collections resolved at 1.1.1
Creating working copy for https://github.com/pointfreeco/swift-perception
Working copy of https://github.com/pointfreeco/swift-perception resolved at 1.6.0
Creating working copy for https://github.com/pointfreeco/xctest-dynamic-overlay
Working copy of https://github.com/pointfreeco/xctest-dynamic-overlay resolved at 1.5.2
Creating working copy for https://github.com/apple/swift-collections
Working copy of https://github.com/apple/swift-collections resolved at 1.1.4
Creating working copy for https://github.com/pointfreeco/swift-custom-dump
Working copy of https://github.com/pointfreeco/swift-custom-dump resolved at 1.3.3
Creating working copy for https://github.com/pointfreeco/swift-macro-testing
Working copy of https://github.com/pointfreeco/swift-macro-testing resolved at 0.6.2
Creating working copy for https://github.com/pointfreeco/swift-case-paths
Working copy of https://github.com/pointfreeco/swift-case-paths resolved at 1.7.0
Creating working copy for https://github.com/pointfreeco/swift-snapshot-testing
Working copy of https://github.com/pointfreeco/swift-snapshot-testing resolved at 1.18.3
Building for debugging...
[0/70] Write sources
[17/70] Copying PrivacyInfo.xcprivacy
[17/70] Write sources
[45/70] Compiling _SwiftSyntaxCShims dummy.c
[46/70] Write swift-version-24593BA9C3E375BF.txt
[48/126] Emitting module SwiftSyntax509
[49/306] Emitting module InternalCollectionsUtilities
[50/308] Compiling InternalCollectionsUtilities UnsafeBufferPointer+Extras.swift
[51/308] Compiling InternalCollectionsUtilities UnsafeMutableBufferPointer+Extras.swift
[52/308] Compiling SwiftSyntax600 Empty.swift
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[54/308] Compiling RxSwift CurrentThreadScheduler.swift
[55/308] Compiling RxSwift Date+Dispatch.swift
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[57/309] Compiling RxSwift Debug.swift
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[59/309] Compiling RxSwift DefaultIfEmpty.swift
[60/309] Emitting module SwiftSyntax510
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[68/312] Compiling RxSwift Completable.swift
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[70/312] Compiling RxSwift Concat.swift
[71/312] Compiling RxSwift CombineLatest.swift
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[73/312] Compiling RxSwift Completable+AndThen.swift
[73/312] Wrapping AST for SwiftSyntax510 for debugging
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[76/312] Compiling RxSwift Amb.swift
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[79/312] Compiling RxSwift AnyObserver.swift
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[93/321] Wrapping AST for SwiftSyntax509 for debugging
[95/446] Emitting module ViewEnvironmentUI
[96/446] Compiling SwiftSyntax Assert.swift
[97/446] Compiling SwiftSyntax BumpPtrAllocator.swift
[98/446] Compiling SwiftSyntax CommonAncestor.swift
[99/446] Compiling SwiftSyntax Convenience.swift
[100/446] Compiling SwiftSyntax AbsolutePosition.swift
[101/446] Compiling SwiftSyntax AbsoluteRawSyntax.swift
[102/446] Compiling SwiftSyntax AbsoluteSyntaxInfo.swift
[103/446] Compiling ViewEnvironmentUI UIView+ViewEnvironmentPropagating.swift
[104/446] Compiling ViewEnvironmentUI UIViewController+ViewEnvironmentPropagating.swift
[105/446] Compiling ViewEnvironmentUI ViewEnvironmentObserving.swift
[106/446] Compiling SwiftSyntax SyntaxArena.swift
[107/446] Compiling SwiftSyntax SyntaxArenaAllocatedBuffer.swift
[108/446] Compiling SwiftSyntax SyntaxChildren.swift
[109/446] Compiling SwiftSyntax SyntaxHashable.swift
[110/446] Compiling SwiftSyntax SyntaxIdentifier.swift
[118/446] Compiling SwiftSyntax CustomTraits.swift
[119/446] Compiling SwiftSyntax Identifier.swift
[120/446] Compiling SwiftSyntax MemoryLayout.swift
[121/446] Compiling SwiftSyntax MissingNodeInitializers.swift
[122/446] Compiling SwiftSyntax RawSyntax.swift
[123/446] Compiling SwiftSyntax SyntaxNodeFactory.swift
[124/446] Compiling SwiftSyntax SyntaxNodeStructure.swift
[125/446] Compiling SwiftSyntax SyntaxProtocol.swift
[126/446] Compiling SwiftSyntax SyntaxText.swift
[127/446] Compiling SwiftSyntax SyntaxTreeViewMode.swift
[128/446] Compiling SwiftSyntax TokenDiagnostic.swift
[129/446] Compiling SwiftSyntax SourcePresence.swift
[130/446] Compiling SwiftSyntax SwiftSyntaxCompatibility.swift
[131/446] Compiling SwiftSyntax Syntax.swift
[132/446] Emitting module IssueReporting
[133/446] Compiling ViewEnvironmentUI ViewEnvironmentPropagating.swift
/host/spi-builder-workspace/ViewEnvironmentUI/Sources/ViewEnvironmentPropagating.swift:259:13: error: cannot find 'objc_getAssociatedObject' in scope
257 |     public var environmentAncestorOverride: EnvironmentAncestorProvider? {
258 |         get {
259 |             objc_getAssociatedObject(self, &AssociatedKeys.ancestorOverride) as? EnvironmentAncestorProvider
    |             `- error: cannot find 'objc_getAssociatedObject' in scope
260 |         }
261 |         set {
/host/spi-builder-workspace/ViewEnvironmentUI/Sources/ViewEnvironmentPropagating.swift:267:13: error: cannot find 'objc_setAssociatedObject' in scope
265 |                 "Attempting to set environment ancestor override when one is already set."
266 |             )
267 |             objc_setAssociatedObject(self, &AssociatedKeys.ancestorOverride, newValue, .OBJC_ASSOCIATION_RETAIN)
    |             `- error: cannot find 'objc_setAssociatedObject' in scope
268 |         }
269 |     }
/host/spi-builder-workspace/ViewEnvironmentUI/Sources/ViewEnvironmentPropagating.swift:267:89: error: cannot infer contextual base in reference to member 'OBJC_ASSOCIATION_RETAIN'
265 |                 "Attempting to set environment ancestor override when one is already set."
266 |             )
267 |             objc_setAssociatedObject(self, &AssociatedKeys.ancestorOverride, newValue, .OBJC_ASSOCIATION_RETAIN)
    |                                                                                         `- error: cannot infer contextual base in reference to member 'OBJC_ASSOCIATION_RETAIN'
268 |         }
269 |     }
/host/spi-builder-workspace/ViewEnvironmentUI/Sources/ViewEnvironmentPropagating.swift:293:13: error: cannot find 'objc_getAssociatedObject' in scope
291 |     public var environmentDescendantsOverride: EnvironmentDescendantsProvider? {
292 |         get {
293 |             objc_getAssociatedObject(self, &AssociatedKeys.descendantsOverride) as? EnvironmentDescendantsProvider
    |             `- error: cannot find 'objc_getAssociatedObject' in scope
294 |         }
295 |         set {
/host/spi-builder-workspace/ViewEnvironmentUI/Sources/ViewEnvironmentPropagating.swift:301:13: error: cannot find 'objc_setAssociatedObject' in scope
299 |                 "Attempting to set environment descendants override when one is already set."
300 |             )
301 |             objc_setAssociatedObject(self, &AssociatedKeys.descendantsOverride, newValue, .OBJC_ASSOCIATION_RETAIN)
    |             `- error: cannot find 'objc_setAssociatedObject' in scope
302 |         }
303 |     }
/host/spi-builder-workspace/ViewEnvironmentUI/Sources/ViewEnvironmentPropagating.swift:301:92: error: cannot infer contextual base in reference to member 'OBJC_ASSOCIATION_RETAIN'
299 |                 "Attempting to set environment descendants override when one is already set."
300 |             )
301 |             objc_setAssociatedObject(self, &AssociatedKeys.descendantsOverride, newValue, .OBJC_ASSOCIATION_RETAIN)
    |                                                                                            `- error: cannot infer contextual base in reference to member 'OBJC_ASSOCIATION_RETAIN'
302 |         }
303 |     }
/host/spi-builder-workspace/ViewEnvironmentUI/Sources/ViewEnvironmentPropagating.swift:436:13: error: cannot find 'objc_getAssociatedObject' in scope
434 |     private var needsUpdateObservers: [ViewEnvironmentUpdateObservationKey: ViewEnvironmentUpdateObservation] {
435 |         get {
436 |             objc_getAssociatedObject(
    |             `- error: cannot find 'objc_getAssociatedObject' in scope
437 |                 self,
438 |                 &AssociatedKeys.needsUpdateObservers
/host/spi-builder-workspace/ViewEnvironmentUI/Sources/ViewEnvironmentPropagating.swift:442:13: error: cannot find 'objc_setAssociatedObject' in scope
440 |         }
441 |         set {
442 |             objc_setAssociatedObject(
    |             `- error: cannot find 'objc_setAssociatedObject' in scope
443 |                 self,
444 |                 &AssociatedKeys.needsUpdateObservers,
/host/spi-builder-workspace/ViewEnvironmentUI/Sources/ViewEnvironmentPropagating.swift:446:18: error: cannot infer contextual base in reference to member 'OBJC_ASSOCIATION_RETAIN_NONATOMIC'
444 |                 &AssociatedKeys.needsUpdateObservers,
445 |                 newValue,
446 |                 .OBJC_ASSOCIATION_RETAIN_NONATOMIC
    |                  `- error: cannot infer contextual base in reference to member 'OBJC_ASSOCIATION_RETAIN_NONATOMIC'
447 |             )
448 |         }
/host/spi-builder-workspace/ViewEnvironmentUI/Sources/ViewEnvironmentPropagating.swift:453:36: error: cannot find 'objc_getAssociatedObject' in scope
451 |     var needsEnvironmentUpdate: Bool {
452 |         get {
453 |             let associatedObject = objc_getAssociatedObject(
    |                                    `- error: cannot find 'objc_getAssociatedObject' in scope
454 |                 self,
455 |                 &AssociatedKeys.needsEnvironmentUpdate
/host/spi-builder-workspace/ViewEnvironmentUI/Sources/ViewEnvironmentPropagating.swift:460:13: error: cannot find 'objc_setAssociatedObject' in scope
458 |         }
459 |         set {
460 |             objc_setAssociatedObject(
    |             `- error: cannot find 'objc_setAssociatedObject' in scope
461 |                 self,
462 |                 &AssociatedKeys.needsEnvironmentUpdate,
/host/spi-builder-workspace/ViewEnvironmentUI/Sources/ViewEnvironmentPropagating.swift:464:17: error: cannot find 'objc_AssociationPolicy' in scope
462 |                 &AssociatedKeys.needsEnvironmentUpdate,
463 |                 newValue,
464 |                 objc_AssociationPolicy.OBJC_ASSOCIATION_COPY
    |                 `- error: cannot find 'objc_AssociationPolicy' in scope
465 |             )
466 |         }
/host/spi-builder-workspace/ViewEnvironmentUI/Sources/ViewEnvironmentPropagating.swift:513:13: error: cannot find 'objc_getAssociatedObject' in scope
511 |     fileprivate var customizations: [StoredViewEnvironmentCustomization] {
512 |         get {
513 |             objc_getAssociatedObject(
    |             `- error: cannot find 'objc_getAssociatedObject' in scope
514 |                 self,
515 |                 &AssociatedKeys.customizations
/host/spi-builder-workspace/ViewEnvironmentUI/Sources/ViewEnvironmentPropagating.swift:519:13: error: cannot find 'objc_setAssociatedObject' in scope
517 |         }
518 |         set {
519 |             objc_setAssociatedObject(
    |             `- error: cannot find 'objc_setAssociatedObject' in scope
520 |                 self,
521 |                 &AssociatedKeys.customizations,
/host/spi-builder-workspace/ViewEnvironmentUI/Sources/ViewEnvironmentPropagating.swift:523:18: error: cannot infer contextual base in reference to member 'OBJC_ASSOCIATION_RETAIN_NONATOMIC'
521 |                 &AssociatedKeys.customizations,
522 |                 newValue,
523 |                 .OBJC_ASSOCIATION_RETAIN_NONATOMIC
    |                  `- error: cannot infer contextual base in reference to member 'OBJC_ASSOCIATION_RETAIN_NONATOMIC'
524 |             )
525 |         }
[134/446] Compiling ViewEnvironmentUI ViewEnvironmentPropagationNode.swift
[135/446] Compiling SwiftSyntax SyntaxTraits.swift
[136/446] Compiling SwiftSyntax SyntaxVisitor.swift
[137/446] Compiling SwiftSyntax TokenKind.swift
[138/446] Compiling SwiftSyntax Tokens.swift
[139/446] Compiling SwiftSyntax TriviaPieces.swift
[140/446] Compiling SwiftSyntax RawSyntaxNodesAB.swift
[141/446] Compiling SwiftSyntax RawSyntaxNodesC.swift
[142/453] Compiling SwiftSyntax RenamedNodesCompatibility.swift
[143/453] Compiling SwiftSyntax SyntaxAnyVisitor.swift
[144/453] Compiling SwiftSyntax SyntaxBaseNodes.swift
[145/453] Compiling SwiftSyntax SyntaxCollections.swift
[146/453] Compiling SwiftSyntax SyntaxEnum.swift
[147/453] Compiling SwiftSyntax SyntaxKind.swift
[148/453] Compiling SwiftSyntax SyntaxRewriter.swift
[149/453] Compiling SwiftSyntax RenamedChildrenCompatibility.swift
[155/453] Compiling SwiftSyntax SyntaxCollection.swift
[158/453] Compiling SwiftSyntax TokenSequence.swift
[159/453] Compiling SwiftSyntax TokenSyntax.swift
[160/453] Compiling SwiftSyntax Trivia.swift
[161/453] Compiling SwiftSyntax Utils.swift
[162/453] Compiling SwiftSyntax ChildNameForKeyPath.swift
[163/453] Compiling SwiftSyntax Keyword.swift
[172/454] Compiling SwiftSyntax SourceEdit.swift
[173/454] Compiling SwiftSyntax SourceLength.swift
[174/454] Compiling SwiftSyntax SourceLocation.swift
[180/454] Emitting module RxSwift
[193/454] Compiling OrderedCollections OrderedSet+Sendable.swift
[194/454] Compiling OrderedCollections OrderedSet+SubSequence.swift
[195/454] Compiling OrderedCollections OrderedSet+Testing.swift
[196/454] Compiling OrderedCollections OrderedSet+UnorderedView.swift
[197/454] Compiling OrderedCollections OrderedSet+UnstableInternals.swift
[198/454] Compiling OrderedCollections OrderedSet.swift
[199/454] Compiling OrderedCollections _UnsafeBitset.swift
[200/454] Compiling SwiftSyntax RawSyntaxValidation.swift
[201/454] Compiling SwiftSyntax SyntaxNodesAB.swift
BUILD FAILURE 6.0 linux