ObservationKit – Build Information

Build Information

Successful build of ObservationKit, reference main (fd181c), with Swift 6.4 for macOS (SPM) on 24 Sep 2026 06:23:08 UTC.

Swift 6 data race errors: 0

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
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Builder version: 5.1.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/Archdoog/ObservationsKit.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Archdoog/ObservationsKit
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at fd181cb Merge pull request #4 from Archdoog/fix/readme-cleanup
Cloned https://github.com/Archdoog/ObservationsKit.git
Revision (git rev-parse @):
fd181cbbcee853bbd07b226aa64174edf0ecc745
SUCCESS checkout https://github.com/Archdoog/ObservationsKit.git at main
========================================
Build
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Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/Archdoog/ObservationsKit.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Computing dependencies]
[Pre-planning 1 / 302]
[Planning deferred tasks]
[62 / 128]
[65 / 131] InternalCollectionsUtilities
[69 / 144] InternalCollectionsUtilities
[76 / 144] InternalCollectionsUtilities
[86 / 146] InternalCollectionsUtilities
[96 / 151] OrderedCollections
[105 / 161] OrderedCollections
[106 / 161] OrderedCollections
[109 / 161] InternalCollectionsUtilities
[118 / 239]
[127 / 240]
[138 / 251] DequeModule
[141 / 251]
[145 / 251]
[154 / 251] OrderedCollections
[163 / 251] OrderedCollections
[165 / 251] DequeModule
[165 / 251]
[172 / 251]
[175 / 251]
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[183 / 251] DequeModule
[198 / 252]
[198 / 252] AsyncAlgorithms
[209 / 263]
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[214 / 263] AsyncAlgorithms
[214 / 263]
[215 / 263] AsyncAlgorithms
[226 / 263] ConcurrencyExtras
[228 / 263] ConcurrencyExtras
[240 / 263] ObservationShim
[249 / 263] ObservationShim
[250 / 264] ObservationShim
[250 / 264] ObservationTesting
[254 / 269] ObservationTesting
[261 / 269] ObservationTesting
[261 / 269] ConcurrencyExtras
Build complete! (9.42 sec)
Fetching https://github.com/apple/swift-async-algorithms.git
Fetching https://github.com/apple/swift-numerics.git
Fetching https://github.com/pointfreeco/swift-concurrency-extras.git
[1/1058] Fetching swift-concurrency-extras
[107/7790] Fetching swift-concurrency-extras, swift-async-algorithms
[1073/14430] Fetching swift-concurrency-extras, swift-async-algorithms, swift-numerics
Fetched https://github.com/apple/swift-numerics.git (1.57s)
Fetched https://github.com/apple/swift-async-algorithms.git (1.57s)
Fetched https://github.com/pointfreeco/swift-concurrency-extras.git (1.57s)
Computing version for https://github.com/apple/swift-numerics.git
Computed https://github.com/apple/swift-numerics.git at 1.1.1 (2.21s)
Computing version for https://github.com/pointfreeco/swift-concurrency-extras.git
Computed https://github.com/pointfreeco/swift-concurrency-extras.git at 1.4.1 (0.57s)
Computing version for https://github.com/apple/swift-async-algorithms.git
Computed https://github.com/apple/swift-async-algorithms.git at 1.1.5 (0.65s)
Fetching https://github.com/apple/swift-collections.git
[1/27693] Fetching swift-collections
Fetched https://github.com/apple/swift-collections.git (3.17s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.7.0 (3.87s)
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-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.7.0
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/pointfreeco/swift-concurrency-extras.git
Working copy of https://github.com/pointfreeco/swift-concurrency-extras.git resolved at 1.4.1
/Users/admin/builder/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
/Users/admin/builder/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
/Users/admin/builder/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
/Users/admin/builder/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
/Users/admin/builder/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 {
/Users/admin/builder/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)
/Users/admin/builder/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>
/Users/admin/builder/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>
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" : [
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            "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" : "/Users/admin/builder/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"
}
Done.