The Swift Package Index logo.Swift Package Index

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>&1

Build 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: warning: symbol name 'swift_task_addCancellationHandler' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error
 14 |
 15 | @usableFromInline
 16 | @_silgen_name("swift_task_addCancellationHandler")
    |  `- warning: symbol name 'swift_task_addCancellationHandler' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error
 17 | func _taskAddCancellationHandler(handler: () -> Void)
 18 |   -> UnsafeRawPointer
/host/spi-builder-workspace/Sources/ObservationShim/ObservationsShim.swift:21:2: warning: symbol name 'swift_task_removeCancellationHandler' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error
 19 |
 20 | @usableFromInline
 21 | @_silgen_name("swift_task_removeCancellationHandler")
    |  `- warning: symbol name 'swift_task_removeCancellationHandler' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error
 22 | func _taskRemoveCancellationHandler(
 23 |   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: warning: symbol name 'swift_task_addCancellationHandler' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error
 14 |
 15 | @usableFromInline
 16 | @_silgen_name("swift_task_addCancellationHandler")
    |  `- warning: symbol name 'swift_task_addCancellationHandler' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error
 17 | func _taskAddCancellationHandler(handler: () -> Void)
 18 |   -> UnsafeRawPointer
/host/spi-builder-workspace/Sources/ObservationShim/ObservationsShim.swift:21:2: warning: symbol name 'swift_task_removeCancellationHandler' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error
 19 |
 20 | @usableFromInline
 21 | @_silgen_name("swift_task_removeCancellationHandler")
    |  `- warning: symbol name 'swift_task_removeCancellationHandler' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error
 22 | func _taskRemoveCancellationHandler(
 23 |   record: UnsafeRawPointer
/host/spi-builder-workspace/Sources/ObservationShim/ObservationsShim.swift:119:20: warning: 'withUnsafeContinuation(isolation:_:)' is deprecated: Replaced by nonisolated(nonsending) overload [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
117 |       state: _ManagedCriticalState<State>, id: Int
118 |     ) async {
119 |       return await withUnsafeContinuation(isolation: iterationIsolation) { continuation in
    |                    `- warning: 'withUnsafeContinuation(isolation:_:)' is deprecated: Replaced by nonisolated(nonsending) overload [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
120 |         state.withCriticalRegion { state in
121 |           defer {
/host/spi-builder-workspace/Sources/ObservationShim/ObservationsShim.swift:215:28: warning: converting @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 [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/conversion-from-isolated-any-to-synchronous\ConversionFromIsolatedAnyToSynchronous]8;;\]
213 |         switch emit {
214 |         case .element(let element):
215 |           Result(catching: element).map { Iteration.next($0) }
    |                            `- warning: converting @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 [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/conversion-from-isolated-any-to-synchronous\ConversionFromIsolatedAnyToSynchronous]8;;\]
216 |         case .iteration(let iteration):
217 |           Result(catching: iteration)
/host/spi-builder-workspace/Sources/ObservationShim/ObservationsShim.swift:217:28: warning: converting @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 [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/conversion-from-isolated-any-to-synchronous\ConversionFromIsolatedAnyToSynchronous]8;;\]
215 |           Result(catching: element).map { Iteration.next($0) }
216 |         case .iteration(let iteration):
217 |           Result(catching: iteration)
    |                            `- warning: converting @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 [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/conversion-from-isolated-any-to-synchronous\ConversionFromIsolatedAnyToSynchronous]8;;\]
218 |         }
219 |       } 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: warning: unstructured throwing task created by 'detached(name:priority:operation:)' is not used, which may accidentally ignore errors thrown inside the task [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/no-use-throwing-unstructured-task\NoUseUnstructuredThrowingTask]8;;\]
28 |
29 |     if let timeout {
30 |       Task.detached(priority: .high) {
   |            |- warning: unstructured throwing task created by 'detached(name:priority:operation:)' is not used, which may accidentally ignore errors thrown inside the task [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/no-use-throwing-unstructured-task\NoUseUnstructuredThrowingTask]8;;\]
   |            `- note: to silence this warning, handle the error inside the task, or store/discard the task value explicitly
31 |         try await Task.sleep(for: timeout)
32 |         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.