Build Information
Successful build of ObservationBridge, reference v0.8.0 (ba3b94), with Swift 6.3 for macOS (SPM) on 1 May 2026 09:49:25 UTC.
Swift 6 data race errors: 0
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64Build Log
========================================
RunAll
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Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/lynnswap/ObservationBridge.git
Reference: v0.8.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/lynnswap/ObservationBridge
* tag v0.8.0 -> FETCH_HEAD
HEAD is now at ba3b94a Merge pull request #29 from lynnswap:docs/add-docc-comments
Cloned https://github.com/lynnswap/ObservationBridge.git
Revision (git rev-parse @):
ba3b94adc34467dfa53836292c88f6d43095802e
SUCCESS checkout https://github.com/lynnswap/ObservationBridge.git at v0.8.0
Fetching https://github.com/apple/swift-async-algorithms
Fetching https://github.com/apple/swift-collections.git
[1/23894] Fetching swift-collections
[1674/30139] Fetching swift-collections, swift-async-algorithms
Fetched https://github.com/apple/swift-collections.git from cache (1.92s)
Fetched https://github.com/apple/swift-async-algorithms from cache (1.92s)
Computing version for https://github.com/apple/swift-async-algorithms
Computed https://github.com/apple/swift-async-algorithms at 1.1.2 (2.62s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.3.0 (0.69s)
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.3.0
Creating working copy for https://github.com/apple/swift-async-algorithms
Working copy of https://github.com/apple/swift-async-algorithms resolved at 1.1.2
========================================
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",
"traits": [
"default"
],
"dependencies": [
{
"identity": "observationbridge",
"name": "ObservationBridge",
"url": "https://github.com/lynnswap/ObservationBridge.git",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/ObservationBridge",
"traits": [
"default"
],
"dependencies": [
{
"identity": "swift-async-algorithms",
"name": "swift-async-algorithms",
"url": "https://github.com/apple/swift-async-algorithms",
"version": "1.1.3",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-async-algorithms",
"traits": [
"default"
],
"dependencies": [
{
"identity": "swift-collections",
"name": "swift-collections",
"url": "https://github.com/apple/swift-collections.git",
"version": "1.4.1",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-collections",
"traits": [
],
"dependencies": [
]
}
]
}
]
}
]
}
Fetching https://github.com/lynnswap/ObservationBridge.git
[1/751] Fetching observationbridge
Fetched https://github.com/lynnswap/ObservationBridge.git from cache (0.85s)
Fetching https://github.com/apple/swift-async-algorithms from cache
Fetched https://github.com/apple/swift-async-algorithms from cache (0.53s)
Computing version for https://github.com/apple/swift-async-algorithms
Computed https://github.com/apple/swift-async-algorithms at 1.1.3 (1.20s)
Fetching https://github.com/apple/swift-collections.git from cache
Fetched https://github.com/apple/swift-collections.git from cache (0.50s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.4.1 (1.25s)
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.4.1
Creating working copy for https://github.com/lynnswap/ObservationBridge.git
Working copy of https://github.com/lynnswap/ObservationBridge.git resolved at v0.8.0 (ba3b94a)
Creating working copy for https://github.com/apple/swift-async-algorithms
Working copy of https://github.com/apple/swift-async-algorithms resolved at 1.1.3
warning: '.resolve-product-dependencies': dependency 'observationbridge' is not used by any target
Found 1 product dependencies
- swift-async-algorithms
========================================
Build
========================================
Selected platform: macosSpm
Swift version: 6.3
Building package at path: $PWD
https://github.com/lynnswap/ObservationBridge.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
Building for debugging...
[0/7] Write sources
[6/7] Write swift-version--6988338F2F200930.txt
[8/26] Compiling InternalCollectionsUtilities Descriptions.swift
[9/26] Compiling InternalCollectionsUtilities LifetimeOverride.swift
[10/26] Compiling InternalCollectionsUtilities RandomAccessCollection+Offsets.swift
[11/26] Compiling InternalCollectionsUtilities UnsafeBufferPointer+Extras.swift
[12/26] Compiling InternalCollectionsUtilities UnsafeMutableBufferPointer+Extras.swift
[13/26] Compiling InternalCollectionsUtilities UnsafeMutableRawBufferPointer+Extras.swift
[14/27] Compiling InternalCollectionsUtilities UnsafeRawBufferPointer+Extras.swift
[15/27] Compiling InternalCollectionsUtilities _UniqueCollection.swift
[16/27] Compiling InternalCollectionsUtilities Debugging.swift
[17/27] Compiling InternalCollectionsUtilities UInt+first and last set bit.swift
[18/27] Compiling InternalCollectionsUtilities UInt+reversed.swift
[19/27] Compiling InternalCollectionsUtilities _UnsafeBitSet.swift
[20/27] Compiling InternalCollectionsUtilities _SortedCollection.swift
[21/27] Compiling InternalCollectionsUtilities FixedWidthInteger+roundUpToPowerOfTwo.swift
[22/27] Compiling InternalCollectionsUtilities Integer rank.swift
[23/27] Emitting module InternalCollectionsUtilities
[24/27] Compiling InternalCollectionsUtilities _UnsafeBitSet+Index.swift
[25/27] Compiling InternalCollectionsUtilities _UnsafeBitSet+_Word.swift
[26/99] Compiling DequeModule _DequeSlot.swift
[27/100] Compiling DequeModule _DequeBufferHeader.swift
[28/100] Compiling DequeModule _DequeBuffer.swift
[29/100] Compiling DequeModule _UnsafeWrappedBuffer.swift
[30/100] Compiling OrderedCollections OrderedSet+Partial SetAlgebra isStrictSubset.swift
[31/100] Compiling OrderedCollections OrderedSet+Partial SetAlgebra isStrictSuperset.swift
[32/100] Compiling OrderedCollections OrderedSet+Partial SetAlgebra isSubset.swift
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[36/106] Compiling OrderedCollections OrderedSet+Partial SetAlgebra symmetricDifference.swift
[37/106] Compiling OrderedCollections OrderedSet+Partial SetAlgebra union.swift
[38/106] Compiling OrderedCollections OrderedSet+Partial SetAlgebra+Basics.swift
[39/106] Compiling OrderedCollections OrderedSet+RandomAccessCollection.swift
[40/106] Compiling OrderedCollections OrderedSet+ReserveCapacity.swift
[41/106] Compiling OrderedCollections OrderedSet+Sendable.swift
[42/106] Compiling OrderedCollections OrderedDictionary+Equatable.swift
[43/106] Compiling OrderedCollections OrderedDictionary+ExpressibleByDictionaryLiteral.swift
[44/106] Compiling OrderedCollections _HashTable+Testing.swift
[45/106] Compiling OrderedCollections _HashTable+UnsafeHandle.swift
[46/106] Compiling OrderedCollections OrderedDictionary+Hashable.swift
[47/106] Compiling OrderedCollections OrderedDictionary+Initializers.swift
[48/106] Compiling OrderedCollections OrderedDictionary+Elements.swift
[53/106] Compiling OrderedCollections OrderedDictionary+Invariants.swift
[54/106] Compiling OrderedCollections _HashTable+Bucket.swift
[55/106] Compiling OrderedCollections _HashTable+BucketIterator.swift
[56/106] Compiling OrderedCollections _HashTable.swift
[58/106] Compiling OrderedCollections _HashTable+Constants.swift
[59/106] Compiling OrderedCollections _HashTable+CustomStringConvertible.swift
[60/106] Compiling OrderedCollections OrderedSet+Partial SetAlgebra formIntersection.swift
[61/106] Compiling OrderedCollections OrderedSet+Partial SetAlgebra formSymmetricDifference.swift
[62/106] Compiling OrderedCollections OrderedSet+Partial SetAlgebra formUnion.swift
[63/106] Compiling OrderedCollections OrderedSet+Partial SetAlgebra intersection.swift
[64/106] Compiling OrderedCollections OrderedSet+Partial SetAlgebra isDisjoint.swift
[65/106] Compiling OrderedCollections OrderedSet+Partial SetAlgebra isEqualSet.swift
[66/106] Compiling OrderedCollections OrderedSet+Hashable.swift
[67/106] Compiling OrderedCollections OrderedSet+Initializers.swift
[68/106] Compiling OrderedCollections OrderedSet+Insertions.swift
[69/106] Compiling OrderedCollections OrderedSet+Invariants.swift
[70/106] Compiling OrderedCollections OrderedSet+Partial MutableCollection.swift
[71/106] Compiling OrderedCollections OrderedSet+Partial RangeReplaceableCollection.swift
[72/106] Emitting module DequeModule
[73/106] Compiling OrderedCollections OrderedSet+Codable.swift
[74/106] Compiling OrderedCollections OrderedSet+CustomReflectable.swift
[75/106] Compiling OrderedCollections OrderedSet+Descriptions.swift
[76/106] Compiling OrderedCollections OrderedSet+Diffing.swift
[77/106] Compiling OrderedCollections OrderedSet+Equatable.swift
[78/106] Compiling OrderedCollections OrderedSet+ExpressibleByArrayLiteral.swift
[79/106] Compiling OrderedCollections _Hashtable+Header.swift
[80/106] Compiling OrderedCollections OrderedDictionary+Codable.swift
[81/106] Compiling OrderedCollections OrderedDictionary+CustomReflectable.swift
[82/106] Compiling OrderedCollections OrderedDictionary+Deprecations.swift
[83/106] Compiling OrderedCollections OrderedDictionary+Descriptions.swift
[84/106] Compiling OrderedCollections OrderedDictionary+Elements.SubSequence.swift
[85/106] Compiling OrderedCollections OrderedDictionary+Partial MutableCollection.swift
[86/106] Compiling OrderedCollections OrderedDictionary+Partial RangeReplaceableCollection.swift
[87/106] Compiling OrderedCollections OrderedDictionary+Sendable.swift
[88/106] Compiling OrderedCollections OrderedDictionary+Sequence.swift
[89/106] Compiling OrderedCollections OrderedDictionary+Values.swift
[90/106] Compiling OrderedCollections OrderedDictionary.swift
[98/106] Compiling OrderedCollections OrderedSet+SubSequence.swift
[99/106] Compiling OrderedCollections OrderedSet+Testing.swift
[100/106] Compiling OrderedCollections OrderedSet+UnorderedView.swift
[101/106] Compiling OrderedCollections OrderedSet+UnstableInternals.swift
[102/106] Compiling OrderedCollections OrderedSet.swift
[103/106] Compiling OrderedCollections _UnsafeBitset.swift
[104/106] Emitting module OrderedCollections
[105/106] Compiling _ObservationBridgeLegacy _ObservationBridgeLegacy.swift
/Users/admin/builder/spi-builder-workspace/ObservationBridge/Sources/_ObservationBridgeLegacy/_ObservationBridgeLegacy.swift:117:35: warning: converting @isolated(any) function of type '@isolated(any) @Sendable () -> Value' to synchronous function type '() -> Value' is not allowed; this will be an error in a future Swift language mode
115 | // Swift cannot synchronously call an arbitrary @isolated(any) closure here;
116 | // this conversion is expected to preserve the legacy same-isolation path.
117 | let result = Result(catching: closure)
| `- warning: converting @isolated(any) function of type '@isolated(any) @Sendable () -> Value' to synchronous function type '() -> Value' is not allowed; this will be an error in a future Swift language mode
118 | switch result {
119 | case .success(let value):
/Users/admin/builder/spi-builder-workspace/ObservationBridge/Sources/_ObservationBridgeLegacy/_ObservationBridgeLegacy.swift:138:38: warning: converting @isolated(any) function of type '@isolated(any) (Input) -> Value' to synchronous function type '(Input) -> Value' is not allowed; this will be an error in a future Swift language mode
136 | // Swift cannot synchronously call an arbitrary @isolated(any) closure here;
137 | // this conversion is expected to preserve the legacy same-isolation path.
138 | let result = Optional(input).map(closure)
| `- warning: converting @isolated(any) function of type '@isolated(any) (Input) -> Value' to synchronous function type '(Input) -> Value' is not allowed; this will be an error in a future Swift language mode
139 | switch result {
140 | case .some(let value):
[106/106] Emitting module _ObservationBridgeLegacy
[107/158] Compiling AsyncAlgorithms AsyncThrowingExclusiveReductionsSequence.swift
[108/158] Compiling AsyncAlgorithms AsyncThrowingInclusiveReductionsSequence.swift
[109/158] Compiling AsyncAlgorithms AsyncTimerSequence.swift
[110/158] Compiling AsyncAlgorithms AsyncBufferSequence.swift
[111/158] Compiling AsyncAlgorithms BoundedBufferStateMachine.swift
[112/158] Compiling AsyncAlgorithms BoundedBufferStorage.swift
[113/163] Compiling AsyncAlgorithms AsyncChunksOfCountOrSignalSequence.swift
[114/163] Compiling AsyncAlgorithms AsyncChunksOfCountSequence.swift
[115/163] Compiling AsyncAlgorithms AsyncCompactedSequence.swift
[116/163] Compiling AsyncAlgorithms AsyncExclusiveReductionsSequence.swift
[117/163] Compiling AsyncAlgorithms AsyncInclusiveReductionsSequence.swift
[118/163] Compiling AsyncAlgorithms AsyncJoinedBySeparatorSequence.swift
[119/163] Compiling AsyncAlgorithms AsyncAdjacentPairsSequence.swift
[120/163] Compiling AsyncAlgorithms AsyncBufferedByteIterator.swift
[121/163] Compiling AsyncAlgorithms AsyncChain2Sequence.swift
[122/163] Compiling AsyncAlgorithms AsyncChain3Sequence.swift
[123/163] Compiling AsyncAlgorithms AsyncChunkedByGroupSequence.swift
[124/163] Compiling AsyncAlgorithms AsyncChunkedOnProjectionSequence.swift
[125/163] Compiling AsyncAlgorithms Locking.swift
[126/163] Compiling AsyncAlgorithms AsyncMerge2Sequence.swift
[127/163] Compiling AsyncAlgorithms AsyncMerge3Sequence.swift
[128/163] Compiling AsyncAlgorithms MergeStateMachine.swift
[129/163] Compiling AsyncAlgorithms MergeStorage.swift
[130/163] Compiling AsyncAlgorithms DebounceStorage.swift
[131/163] Compiling AsyncAlgorithms Dictionary.swift
[132/163] Compiling AsyncAlgorithms Disconnected.swift
[133/163] Compiling AsyncAlgorithms _TinyArray.swift
[134/163] Compiling AsyncAlgorithms AsyncInterspersedSequence.swift
[135/163] Emitting module AsyncAlgorithms
[136/163] Compiling AsyncAlgorithms MultiProducerSingleConsumerAsyncChannel+Internal.swift
[137/163] Compiling AsyncAlgorithms MultiProducerSingleConsumerAsyncChannel.swift
[138/163] Compiling AsyncAlgorithms RangeReplaceableCollection.swift
[139/163] Compiling AsyncAlgorithms Rethrow.swift
[140/163] Compiling AsyncAlgorithms SetAlgebra.swift
[141/163] Compiling AsyncAlgorithms UnboundedBufferStateMachine.swift
[142/163] Compiling AsyncAlgorithms UnboundedBufferStorage.swift
[143/163] Compiling AsyncAlgorithms AsyncChannel.swift
[144/163] Compiling AsyncAlgorithms AsyncThrowingChannel.swift
[145/163] Compiling AsyncAlgorithms ChannelStateMachine.swift
[146/163] Compiling AsyncAlgorithms ChannelStorage.swift
[147/163] Compiling AsyncAlgorithms AsyncJoinedSequence.swift
[148/163] Compiling AsyncAlgorithms AsyncMapErrorSequence.swift
[149/163] Compiling AsyncAlgorithms AsyncRemoveDuplicatesSequence.swift
[150/163] Compiling AsyncAlgorithms AsyncShareSequence.swift
[151/163] Compiling AsyncAlgorithms AsyncSyncSequence.swift
[152/163] Compiling AsyncAlgorithms AsyncThrottleSequence.swift
[153/163] Compiling AsyncAlgorithms UnsafeTransfer.swift
[154/163] Compiling AsyncAlgorithms AsyncZip2Sequence.swift
[155/163] Compiling AsyncAlgorithms AsyncZip3Sequence.swift
[156/163] Compiling AsyncAlgorithms ZipStateMachine.swift
[157/163] Compiling AsyncAlgorithms ZipStorage.swift
[158/163] Compiling AsyncAlgorithms AsyncCombineLatest2Sequence.swift
[159/163] Compiling AsyncAlgorithms AsyncCombineLatest3Sequence.swift
[160/163] Compiling AsyncAlgorithms CombineLatestStateMachine.swift
[161/163] Compiling AsyncAlgorithms CombineLatestStorage.swift
[162/163] Compiling AsyncAlgorithms AsyncDebounceSequence.swift
[163/163] Compiling AsyncAlgorithms DebounceStateMachine.swift
[164/177] Compiling ObservationBridge ObservationScope.swift
[165/177] Compiling ObservationBridge ObservationScopeInternals.swift
[166/178] Compiling ObservationBridge ObservationOwnerRegistry.swift
[167/178] Compiling ObservationBridge ObservationRegistration.swift
[168/178] Compiling ObservationBridge ObservationHandle.swift
[169/178] Compiling ObservationBridge ObservationOptions.swift
[170/178] Compiling ObservationBridge ObservationOwnerCancellationRegistry.swift
[171/178] Compiling ObservationBridge ObservationOwnerCancellationStore.swift
[172/178] Compiling ObservationBridge ObservationTaskExecution.swift
[173/178] Compiling ObservationBridge ObservationBridgeSequence.swift
[174/178] Compiling ObservationBridge ObservationCallbackExecution.swift
[175/178] Compiling ObservationBridge Observable+Observe.swift
[176/178] Compiling ObservationBridge ObservationBackendResolution.swift
[177/178] Emitting module ObservationBridge
[178/178] Compiling ObservationBridge RateLimitExecution.swift
Build complete! (6.60s)
Build complete.
{
"dependencies" : [
{
"identity" : "swift-async-algorithms",
"requirement" : {
"range" : [
{
"lower_bound" : "1.0.0",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-async-algorithms"
}
],
"manifest_display_name" : "ObservationBridge",
"name" : "ObservationBridge",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
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"version" : "18.0"
},
{
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}
],
"products" : [
{
"name" : "ObservationBridge",
"targets" : [
"ObservationBridge"
],
"type" : {
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]
}
}
],
"targets" : [
{
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"module_type" : "SwiftTarget",
"name" : "_ObservationBridgeLegacy",
"path" : "ObservationBridge/Sources/_ObservationBridgeLegacy",
"product_memberships" : [
"ObservationBridge"
],
"sources" : [
"_ObservationBridgeLegacy.swift"
],
"type" : "library"
},
{
"c99name" : "ObservationBridgeTests",
"module_type" : "SwiftTarget",
"name" : "ObservationBridgeTests",
"path" : "ObservationBridge/Tests/ObservationBridgeTests",
"sources" : [
"BackendResolutionTests.swift",
"NonSendableObservationTests.swift",
"ObservationBridgeSequenceTests.swift",
"ObservationScopeTests.swift",
"ObservationStressTests.swift",
"ObserveCallbackTests.swift",
"ObserveTaskTests.swift",
"OwnerLifetimeTests.swift",
"RateLimitTests.swift",
"TestSupport/AsyncTestSupport.swift",
"TestSupport/ObservationBridgeTestModels.swift",
"TestSupport/StressTestSupport.swift"
],
"target_dependencies" : [
"ObservationBridge"
],
"type" : "test"
},
{
"c99name" : "ObservationBridge",
"module_type" : "SwiftTarget",
"name" : "ObservationBridge",
"path" : "ObservationBridge/Sources/ObservationBridge",
"product_dependencies" : [
"AsyncAlgorithms"
],
"product_memberships" : [
"ObservationBridge"
],
"sources" : [
"Observable+Observe.swift",
"ObservationBackendResolution.swift",
"ObservationBridgeSequence.swift",
"ObservationCallbackExecution.swift",
"ObservationHandle.swift",
"ObservationOptions.swift",
"ObservationOwnerCancellationRegistry.swift",
"ObservationOwnerCancellationStore.swift",
"ObservationOwnerRegistry.swift",
"ObservationRegistration.swift",
"ObservationScope.swift",
"ObservationScopeInternals.swift",
"ObservationTaskExecution.swift",
"RateLimitExecution.swift"
],
"target_dependencies" : [
"_ObservationBridgeLegacy"
],
"type" : "library"
}
],
"tools_version" : "6.2"
}
Done.