Build Information
Successful build of ObservationKit, reference 0.0.2 (bf0cd1), with Swift 6.4 for Wasm on 24 Sep 2026 06:07:14 UTC.
Swift 6 data race errors: 0
Build Command
bash -c docker run --pull=always --rm -v "checkouts-54344844-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest swift build --swift-sdk swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm 2>&1Build Log
========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Archdoog/ObservationsKit.git
Reference: 0.0.2
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/Archdoog/ObservationsKit
* tag 0.0.2 -> FETCH_HEAD
HEAD is now at bf0cd16 Merge pull request #2 from Archdoog/fix/equatable-on-cond
Cloned https://github.com/Archdoog/ObservationsKit.git
Revision (git rev-parse @):
bf0cd16bc26bbace72c958607472794c4fa1431a
SUCCESS checkout https://github.com/Archdoog/ObservationsKit.git at 0.0.2
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.4
Building package at path: $PWD
https://github.com/Archdoog/ObservationsKit.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344844-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest swift build --swift-sdk swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm 2>&1
wasm-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:4328fdb43c680d205c1d6761b1e3267aa38277eefdda9ddfb17b6a0f1a77857a
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest
Fetching https://github.com/apple/swift-numerics.git
Fetching https://github.com/apple/swift-async-algorithms.git
Fetching https://github.com/pointfreeco/swift-concurrency-extras.git
[1/1058] Fetching swift-concurrency-extras
Fetched https://github.com/pointfreeco/swift-concurrency-extras.git (0.51s)
[1/6732] Fetching swift-async-algorithms
[3569/13372] Fetching swift-async-algorithms, swift-numerics
Fetched https://github.com/apple/swift-async-algorithms.git (1.10s)
[930/6640] Fetching swift-numerics
Fetched https://github.com/apple/swift-numerics.git (1.25s)
Computing version for https://github.com/apple/swift-numerics.git
Computed https://github.com/apple/swift-numerics.git at 1.1.1 (1.45s)
Computing version for https://github.com/pointfreeco/swift-concurrency-extras.git
Computed https://github.com/pointfreeco/swift-concurrency-extras.git at 1.4.1 (0.20s)
Computing version for https://github.com/apple/swift-async-algorithms.git
Computed https://github.com/apple/swift-async-algorithms.git at 1.1.5 (0.23s)
Fetching https://github.com/apple/swift-collections.git
[1/27693] Fetching swift-collections
Fetched https://github.com/apple/swift-collections.git (1.32s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.7.0 (1.62s)
Creating working copy for https://github.com/apple/swift-async-algorithms.git
Working copy of https://github.com/apple/swift-async-algorithms.git resolved at 1.1.5
Creating working copy for https://github.com/apple/swift-numerics.git
Working copy of https://github.com/apple/swift-numerics.git resolved at 1.1.1
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.7.0
Creating working copy for https://github.com/pointfreeco/swift-concurrency-extras.git
Working copy of https://github.com/pointfreeco/swift-concurrency-extras.git resolved at 1.4.1
Building for debugging...
[Computing dependencies]
[Pre-planning 1 / 302]
[Planning deferred tasks]
[54 / 112] ObservationShim
[64 / 127] InternalCollectionsUtilities
[65 / 135] InternalCollectionsUtilities
/host/spi-builder-workspace/Sources/ObservationShim/ObservationsShim.swift:16:2: [1;33mwarning: [1;39msymbol name 'swift_task_addCancellationHandler' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error[0;0m
[0;36m14 |[0;0m
[0;36m15 |[0;0m @usableFromInline
[0;36m16 |[0;0m @_silgen_name("swift_task_addCancellationHandler")
[0;36m|[0;0m `- [1;33mwarning: [1;39msymbol name 'swift_task_addCancellationHandler' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error[0;0m
[0;36m17 |[0;0m func _taskAddCancellationHandler(handler: () -> Void)
[0;36m18 |[0;0m -> UnsafeRawPointer
/host/spi-builder-workspace/Sources/ObservationShim/ObservationsShim.swift:21:2: [1;33mwarning: [1;39msymbol name 'swift_task_removeCancellationHandler' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error[0;0m
[0;36m19 |[0;0m
[0;36m20 |[0;0m @usableFromInline
[0;36m21 |[0;0m @_silgen_name("swift_task_removeCancellationHandler")
[0;36m|[0;0m `- [1;33mwarning: [1;39msymbol name 'swift_task_removeCancellationHandler' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error[0;0m
[0;36m22 |[0;0m func _taskRemoveCancellationHandler(
[0;36m23 |[0;0m record: UnsafeRawPointer
[65 / 135] ConcurrencyExtras
[67 / 135] InternalCollectionsUtilities
[82 / 135] ObservationShim-product
[84 / 135] SpanPreview
/host/spi-builder-workspace/Sources/ObservationShim/ObservationsShim.swift:16:2: [1;33mwarning: [1;39msymbol name 'swift_task_addCancellationHandler' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error[0;0m
[0;36m14 |[0;0m
[0;36m15 |[0;0m @usableFromInline
[0;36m16 |[0;0m @_silgen_name("swift_task_addCancellationHandler")
[0;36m|[0;0m `- [1;33mwarning: [1;39msymbol name 'swift_task_addCancellationHandler' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error[0;0m
[0;36m17 |[0;0m func _taskAddCancellationHandler(handler: () -> Void)
[0;36m18 |[0;0m -> UnsafeRawPointer
/host/spi-builder-workspace/Sources/ObservationShim/ObservationsShim.swift:21:2: [1;33mwarning: [1;39msymbol name 'swift_task_removeCancellationHandler' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error[0;0m
[0;36m19 |[0;0m
[0;36m20 |[0;0m @usableFromInline
[0;36m21 |[0;0m @_silgen_name("swift_task_removeCancellationHandler")
[0;36m|[0;0m `- [1;33mwarning: [1;39msymbol name 'swift_task_removeCancellationHandler' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error[0;0m
[0;36m22 |[0;0m func _taskRemoveCancellationHandler(
[0;36m23 |[0;0m record: UnsafeRawPointer
/host/spi-builder-workspace/Sources/ObservationShim/ObservationsShim.swift:119:20: [1;33mwarning: [1;39m'withUnsafeContinuation(isolation:_:)' is deprecated: Replaced by nonisolated(nonsending) overload[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
[0;36m117 |[0;0m state: _ManagedCriticalState<State>, id: Int
[0;36m118 |[0;0m ) async {
[0;36m119 |[0;0m return await withUnsafeContinuation(isolation: iterationIsolation) { continuation in
[0;36m|[0;0m `- [1;33mwarning: [1;39m'withUnsafeContinuation(isolation:_:)' is deprecated: Replaced by nonisolated(nonsending) overload[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
[0;36m120 |[0;0m state.withCriticalRegion { state in
[0;36m121 |[0;0m defer {
/host/spi-builder-workspace/Sources/ObservationShim/ObservationsShim.swift:215:28: [1;33mwarning: [1;39mconverting @isolated(any) function of type '@isolated(any) @Sendable () throws(Failure) -> Element' to synchronous function type '() throws(Failure) -> Element' is not allowed; this will be an error in a future Swift language mode[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/conversion-from-isolated-any-to-synchronous\ConversionFromIsolatedAnyToSynchronous]8;;\]
[0;36m213 |[0;0m switch emit {
[0;36m214 |[0;0m case .element(let element):
[0;36m215 |[0;0m Result(catching: element).map { Iteration.next($0) }
[0;36m|[0;0m `- [1;33mwarning: [1;39mconverting @isolated(any) function of type '@isolated(any) @Sendable () throws(Failure) -> Element' to synchronous function type '() throws(Failure) -> Element' is not allowed; this will be an error in a future Swift language mode[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/conversion-from-isolated-any-to-synchronous\ConversionFromIsolatedAnyToSynchronous]8;;\]
[0;36m216 |[0;0m case .iteration(let iteration):
[0;36m217 |[0;0m Result(catching: iteration)
/host/spi-builder-workspace/Sources/ObservationShim/ObservationsShim.swift:217:28: [1;33mwarning: [1;39mconverting @isolated(any) function of type '@isolated(any) @Sendable () throws(Failure) -> ObservationsShim<Element, Failure>.Iteration' to synchronous function type '() throws(Failure) -> ObservationsShim<Element, Failure>.Iteration' is not allowed; this will be an error in a future Swift language mode[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/conversion-from-isolated-any-to-synchronous\ConversionFromIsolatedAnyToSynchronous]8;;\]
[0;36m215 |[0;0m Result(catching: element).map { Iteration.next($0) }
[0;36m216 |[0;0m case .iteration(let iteration):
[0;36m217 |[0;0m Result(catching: iteration)
[0;36m|[0;0m `- [1;33mwarning: [1;39mconverting @isolated(any) function of type '@isolated(any) @Sendable () throws(Failure) -> ObservationsShim<Element, Failure>.Iteration' to synchronous function type '() throws(Failure) -> ObservationsShim<Element, Failure>.Iteration' is not allowed; this will be an error in a future Swift language mode[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/conversion-from-isolated-any-to-synchronous\ConversionFromIsolatedAnyToSynchronous]8;;\]
[0;36m218 |[0;0m }
[0;36m219 |[0;0m } onChange: { [state] in
[#ConversionFromIsolatedAnyToSynchronous]: <https://docs.swift.org/compiler/documentation/diagnostics/conversion-from-isolated-any-to-synchronous>
[#DeprecatedDeclaration]: <https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration>
[86 / 135] InternalCollectionsUtilities
[87 / 135] InternalCollectionsUtilities
[88 / 135] ConcurrencyExtras
[89 / 135] ConcurrencyExtras-product
[91 / 135] ConcurrencyExtras-product
[97 / 138]
[100 / 142] OrderedCollections
[108 / 151] SpanPreview
[113 / 152] OrderedCollections
[117 / 154] OrderedCollections
[118 / 154] ObservationShim
[121 / 154] ObservationShim
[126 / 155] DequeModule
[131 / 164] DequeModule
[132 / 164] DequeModule
[132 / 164] OrderedCollections
[135 / 165] DequeModule
[141 / 165] OrderedCollections
[143 / 165] DequeModule
[143 / 166] DequeModule
[152 / 167] AsyncAlgorithms
[161 / 176] AsyncAlgorithms
[172 / 182] ObservationTesting
/host/spi-builder-workspace/Sources/ObservationTesting/FulfillmentWorker.swift:30:12: [1;33mwarning: [1;39munstructured throwing task created by 'detached(name:priority:operation:)' is not used, which may accidentally ignore errors thrown inside the task[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/no-use-throwing-unstructured-task\NoUseUnstructuredThrowingTask]8;;\]
[0;36m28 |[0;0m
[0;36m29 |[0;0m if let timeout {
[0;36m30 |[0;0m Task.detached(priority: .high) {
[0;36m|[0;0m |- [1;33mwarning: [1;39munstructured throwing task created by 'detached(name:priority:operation:)' is not used, which may accidentally ignore errors thrown inside the task[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/no-use-throwing-unstructured-task\NoUseUnstructuredThrowingTask]8;;\]
[0;36m|[0;0m `- [1;39mnote: [1;39mto silence this warning, handle the error inside the task, or store/discard the task value explicitly[0;0m
[0;36m31 |[0;0m try await Task.sleep(for: timeout)
[0;36m32 |[0;0m checkTask.cancel()
[#NoUseUnstructuredThrowingTask]: <https://docs.swift.org/compiler/documentation/diagnostics/no-use-throwing-unstructured-task>
[177 / 182] ObservationTesting
[179 / 183] AsyncAlgorithms
Build complete! (18.22 secs)
Build complete.
{
"dependencies" : [
{
"identity" : "swift-async-algorithms",
"requirement" : {
"range" : [
{
"lower_bound" : "1.1.2",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-async-algorithms.git"
},
{
"identity" : "swift-concurrency-extras",
"requirement" : {
"range" : [
{
"lower_bound" : "1.3.2",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/pointfreeco/swift-concurrency-extras.git"
},
{
"identity" : "swift-numerics",
"requirement" : {
"range" : [
{
"lower_bound" : "1.1.1",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-numerics.git"
}
],
"manifest_display_name" : "ObservationKit",
"name" : "ObservationKit",
"path" : "/host/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "17.0"
},
{
"name" : "maccatalyst",
"version" : "17.0"
},
{
"name" : "macos",
"version" : "14.0"
},
{
"name" : "tvos",
"version" : "17.0"
},
{
"name" : "visionos",
"version" : "1.0"
},
{
"name" : "watchos",
"version" : "10.0"
}
],
"products" : [
{
"name" : "ObservationTesting",
"targets" : [
"ObservationTesting"
],
"type" : {
"library" : [
"automatic"
]
}
},
{
"name" : "ObservationShim",
"targets" : [
"ObservationShim"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"swift_languages_versions" : [
"6"
],
"targets" : [
{
"c99name" : "ObservationTestingTests",
"module_type" : "SwiftTarget",
"name" : "ObservationTestingTests",
"path" : "Tests/ObservationTestingTests",
"product_dependencies" : [
"Numerics"
],
"sources" : [
"TestFulfillmentOfConditions.swift",
"TestFulfillmentOfValues.swift",
"TestFulfillmentOfValuesByArray.swift"
],
"target_dependencies" : [
"ObservationTesting"
],
"type" : "test"
},
{
"c99name" : "ObservationTesting",
"module_type" : "SwiftTarget",
"name" : "ObservationTesting",
"path" : "Sources/ObservationTesting",
"product_dependencies" : [
"AsyncAlgorithms",
"ConcurrencyExtras"
],
"product_memberships" : [
"ObservationTesting"
],
"sources" : [
"FulfillmentError.swift",
"FulfillmentOfCondition.swift",
"FulfillmentOfValues.swift",
"FulfillmentWorker.swift"
],
"type" : "library"
},
{
"c99name" : "ObservationShimTests",
"module_type" : "SwiftTarget",
"name" : "ObservationShimTests",
"path" : "Tests/ObservationShimTests",
"sources" : [
"TestObservationShim.swift"
],
"target_dependencies" : [
"ObservationShim",
"ObservationTesting"
],
"type" : "test"
},
{
"c99name" : "ObservationShim",
"module_type" : "SwiftTarget",
"name" : "ObservationShim",
"path" : "Sources/ObservationShim",
"product_memberships" : [
"ObservationShim"
],
"sources" : [
"ManagedCriticalState.swift",
"ObservationsShim.swift"
],
"type" : "library"
}
],
"tools_version" : "6.2"
}
wasm-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:4328fdb43c680d205c1d6761b1e3267aa38277eefdda9ddfb17b6a0f1a77857a
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest
Done.