Swift Package IndexBuild Information
Successful build of FlagsmithOpenFeatureProvider, reference v0.2.0 (1b5cec), with Swift 6.1 for macOS (SPM) on 9 Sep 2026 16:17:52 UTC.
Swift 6 data race errors: 0
Build Command
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCapturesBuild Log
========================================
RunAll
========================================
Builder version: 5.0.2
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Flagsmith/flagsmith-openfeature-swift-provider.git
Reference: v0.2.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Flagsmith/flagsmith-openfeature-swift-provider
* tag v0.2.0 -> FETCH_HEAD
HEAD is now at 1b5cec0 chore(main): release 0.2.0 (#2)
Cloned https://github.com/Flagsmith/flagsmith-openfeature-swift-provider.git
Revision (git rev-parse @):
1b5cec0c1041c55cace705bbc7bfdd27928a3cd1
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/Flagsmith/flagsmith-openfeature-swift-provider.git at v0.2.0
========================================
Build
========================================
Selected platform: macosSpm
Swift version: 6.1
Building package at path: $PWD
https://github.com/Flagsmith/flagsmith-openfeature-swift-provider.git
https://github.com/Flagsmith/flagsmith-openfeature-swift-provider.git
{
"dependencies" : [
{
"identity" : "swift-sdk",
"requirement" : {
"range" : [
{
"lower_bound" : "0.6.0",
"upper_bound" : "1.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/open-feature/swift-sdk.git"
},
{
"identity" : "flagsmith-ios-client",
"requirement" : {
"range" : [
{
"lower_bound" : "3.10.0",
"upper_bound" : "4.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/Flagsmith/flagsmith-ios-client.git"
},
{
"identity" : "swift-log",
"requirement" : {
"range" : [
{
"lower_bound" : "1.15.0",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-log.git"
},
{
"identity" : "flyingfox",
"requirement" : {
"range" : [
{
"lower_bound" : "0.27.1",
"upper_bound" : "1.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/swhitty/FlyingFox.git"
}
],
"manifest_display_name" : "FlagsmithOpenFeatureProvider",
"name" : "FlagsmithOpenFeatureProvider",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "15.0"
},
{
"name" : "macos",
"version" : "12.0"
},
{
"name" : "watchos",
"version" : "8.0"
},
{
"name" : "tvos",
"version" : "15.0"
}
],
"products" : [
{
"name" : "FlagsmithOpenFeature",
"targets" : [
"FlagsmithOpenFeature"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "FlagsmithOpenFeatureTests",
"module_type" : "SwiftTarget",
"name" : "FlagsmithOpenFeatureTests",
"path" : "tests/unit",
"sources" : [
"FlagSourceMock.swift",
"FlagsmithProviderTests+Booleans.swift",
"FlagsmithProviderTests+Events.swift",
"FlagsmithProviderTests+Metadata.swift",
"FlagsmithProviderTests+Numbers.swift",
"FlagsmithProviderTests+Objects.swift",
"FlagsmithProviderTests+Strings.swift",
"FlagsmithProviderTests.swift"
],
"target_dependencies" : [
"FlagsmithOpenFeature",
"FlagsmithOpenFeatureTestSupport"
],
"type" : "test"
},
{
"c99name" : "FlagsmithOpenFeatureTestSupport",
"module_type" : "SwiftTarget",
"name" : "FlagsmithOpenFeatureTestSupport",
"path" : "tests/support",
"product_dependencies" : [
"Logging"
],
"sources" : [
"LogCapture.swift"
],
"type" : "library"
},
{
"c99name" : "FlagsmithOpenFeatureIntegrationTests",
"module_type" : "SwiftTarget",
"name" : "FlagsmithOpenFeatureIntegrationTests",
"path" : "tests/integration",
"product_dependencies" : [
"FlyingFox"
],
"sources" : [
"FlagsmithAPIMock.swift",
"FlagsmithProviderIntegrationTests.swift"
],
"target_dependencies" : [
"FlagsmithOpenFeature",
"FlagsmithOpenFeatureTestSupport"
],
"type" : "test"
},
{
"c99name" : "FlagsmithOpenFeature",
"module_type" : "SwiftTarget",
"name" : "FlagsmithOpenFeature",
"path" : "Sources/FlagsmithOpenFeature",
"product_dependencies" : [
"OpenFeature",
"FlagsmithClient",
"Logging"
],
"product_memberships" : [
"FlagsmithOpenFeature"
],
"sources" : [
"FlagsmithFlagSource.swift",
"FlagsmithProvider+Context.swift",
"FlagsmithProvider+Evaluation.swift",
"FlagsmithProvider+Resolution.swift",
"FlagsmithProvider+Updates.swift",
"FlagsmithProvider.swift",
"JSONValue.swift",
"SnapshotState.swift"
],
"type" : "library"
}
],
"tools_version" : "5.9"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures
Building for debugging...
[0/7] Write sources
[2/7] Copying PrivacyInfo.xcprivacy
[6/7] Write swift-version-2F0A5646E1D333AE.txt
[8/36] Compiling Logging LoggingSystem.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[9/36] Compiling Logging Logger+With.swift
unable to find node: pound
unable to find node: pound
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[10/36] Compiling Logging Logger+Attributes.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[11/36] Compiling Logging Logger.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[12/37] Compiling Logging MetadataProvider.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[13/37] Compiling Logging LogHandler.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[14/37] Compiling Logging SwiftLogNoOpLogHandler.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[15/37] Compiling Logging LogEvent.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[16/37] Compiling Logging Locks.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[17/37] Emitting module Logging
unable to find node: pound
unable to find node: pound
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[18/37] Compiling FlagsmithClient Feature.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[19/37] Compiling FlagsmithClient Flag.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[20/77] Compiling FlagsmithClient UnknownTypeValue.swift
[21/78] Compiling OpenFeature Features+Defaults.swift
[22/78] Compiling OpenFeature Features.swift
[23/78] Compiling OpenFeature ProviderStatus.swift
[24/78] Compiling OpenFeature EventMetadataValue.swift
[25/78] Compiling OpenFeature ProviderEvents.swift
[26/78] Compiling OpenFeature ProviderMetadata.swift
[27/78] Compiling OpenFeature FirstSuccessfulStrategy.swift
[28/78] Compiling OpenFeature ProviderEventDetails.swift
[29/78] Compiling OpenFeature EventHandler.swift
[30/78] Compiling OpenFeature OpenFeatureClient.swift
[31/78] Compiling OpenFeature ClientMetadata.swift
[32/78] Compiling OpenFeature EvaluationContext.swift
[33/78] Emitting module FlagsmithClient
[34/78] Compiling OpenFeature FeatureProvider.swift
[35/78] Compiling OpenFeature FirstMatchStrategy.swift
[36/78] Compiling OpenFeature BaseEvaluation.swift
[37/78] Compiling OpenFeature Client.swift
[38/78] Compiling FlagsmithClient resource_bundle_accessor.swift
[39/78] Compiling FlagsmithOpenFeatureTestSupport LogCapture.swift
[40/78] Emitting module FlagsmithOpenFeatureTestSupport
[44/78] Compiling OpenFeature FlagEvaluationDetails.swift
[45/82] Compiling OpenFeature MultiProvider.swift
[46/82] Compiling OpenFeature Strategy.swift
[47/82] Compiling OpenFeature NoOpProvider.swift
[48/82] Compiling OpenFeature ProviderEvaluation.swift
[49/82] Compiling OpenFeature FlagEvaluationOptions.swift
[50/82] Compiling OpenFeature FlagMetadataValue.swift
[51/82] Compiling OpenFeature FlagValueType.swift
[52/82] Compiling OpenFeature Hook.swift
[53/82] Compiling OpenFeature ImmutableTrackingEventDetails.swift
[54/82] Compiling OpenFeature MetadataValue.swift
[55/82] Compiling OpenFeature MutableStructure.swift
[56/82] Compiling OpenFeature OpenFeatureAPI.swift
[62/82] Emitting module OpenFeature
[63/82] Compiling OpenFeature TrackingEventDetails.swift
[64/82] Compiling OpenFeature Value.swift
[65/82] Compiling OpenFeature ErrorCode.swift
[66/82] Compiling OpenFeature OpenFeatureError.swift
[75/82] Compiling OpenFeature ProviderStatusTracker.swift
[76/82] Compiling OpenFeature Reason.swift
[77/82] Compiling OpenFeature Structure.swift
[78/82] Compiling OpenFeature Tracking.swift
[79/82] Compiling OpenFeature HookContext.swift
[80/82] Compiling OpenFeature HookSupport.swift
[81/82] Compiling OpenFeature ImmutableContext.swift
[82/82] Compiling OpenFeature ImmutableStructure.swift
[83/91] Compiling FlagsmithOpenFeature JSONValue.swift
[84/91] Compiling FlagsmithOpenFeature FlagsmithProvider+Updates.swift
/Users/admin/builder/spi-builder-workspace/Sources/FlagsmithOpenFeature/FlagsmithProvider+Updates.swift:8:28: warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
6 | // flags equal to the snapshot; empty and unchanged emissions are ignored.
7 | func observeFlagUpdates() {
8 | flagUpdates = Task { [weak self, flagSource] in
| `- warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
9 | for await flags in flagSource.flagStream {
| `- note: closure captures non-Sendable 'flagSource'
10 | self?.handle(update: flags)
| `- note: closure captures non-Sendable 'self'
11 | }
12 | }
[85/91] Compiling FlagsmithOpenFeature SnapshotState.swift
[86/91] Compiling FlagsmithOpenFeature FlagsmithProvider+Evaluation.swift
[87/91] Compiling FlagsmithOpenFeature FlagsmithProvider+Context.swift
[88/91] Compiling FlagsmithOpenFeature FlagsmithProvider+Resolution.swift
[89/91] Compiling FlagsmithOpenFeature FlagsmithProvider.swift
/Users/admin/builder/spi-builder-workspace/Sources/FlagsmithOpenFeature/FlagsmithProvider.swift:131:23: warning: capture of 'self' with non-sendable type 'FlagsmithProvider' in a '@Sendable' closure; this is an error in the Swift 6 language mode
10 | /// synchronously from that snapshot. See the project README for how the evaluation context
11 | /// maps to Flagsmith identities and traits.
12 | public final class FlagsmithProvider: FeatureProvider {
| `- note: class 'FlagsmithProvider' does not conform to the 'Sendable' protocol
13 | public let hooks: [any Hook] = []
14 | public let metadata: ProviderMetadata = FlagsmithProviderMetadata()
:
129 | case .success(let flags):
130 | let byName = flags.byName
131 | guard self.state.commit(byName, fetchedForIdentity: identity != nil, generation: generation) else {
| `- warning: capture of 'self' with non-sendable type 'FlagsmithProvider' in a '@Sendable' closure; this is an error in the Swift 6 language mode
132 | self.logger.debug("Ignored superseded flags fetch from Flagsmith", metadata: metadata)
133 | completion(.superseded)
/Users/admin/builder/spi-builder-workspace/Sources/FlagsmithOpenFeature/FlagsmithProvider.swift:133:21: warning: capture of 'completion' with non-sendable type '(RefreshOutcome) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
131 | guard self.state.commit(byName, fetchedForIdentity: identity != nil, generation: generation) else {
132 | self.logger.debug("Ignored superseded flags fetch from Flagsmith", metadata: metadata)
133 | completion(.superseded)
| |- warning: capture of 'completion' with non-sendable type '(RefreshOutcome) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
| `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
134 | return
135 | }
[90/91] Compiling FlagsmithOpenFeature FlagsmithFlagSource.swift
[91/91] Emitting module FlagsmithOpenFeature
Build complete! (14.69s)
Fetching https://github.com/open-feature/swift-sdk.git
Fetching https://github.com/Flagsmith/flagsmith-ios-client.git
Fetching https://github.com/swhitty/FlyingFox.git
Fetching https://github.com/apple/swift-log.git from cache
[18/1713] Fetching swift-sdk
[2/8107] Fetching swift-sdk, flyingfox
[1169/9968] Fetching swift-sdk, flyingfox, flagsmith-ios-client
Fetched https://github.com/swhitty/FlyingFox.git from cache (1.36s)
Fetched https://github.com/open-feature/swift-sdk.git from cache (1.36s)
Fetched https://github.com/Flagsmith/flagsmith-ios-client.git from cache (1.36s)
Fetched https://github.com/apple/swift-log.git from cache (1.40s)
Computing version for https://github.com/swhitty/FlyingFox.git
Computed https://github.com/swhitty/FlyingFox.git at 0.27.1 (1.93s)
Computing version for https://github.com/Flagsmith/flagsmith-ios-client.git
Computed https://github.com/Flagsmith/flagsmith-ios-client.git at 3.10.0 (0.46s)
Computing version for https://github.com/open-feature/swift-sdk.git
Computed https://github.com/open-feature/swift-sdk.git at 0.6.0 (3.09s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.15.1 (0.57s)
Creating working copy for https://github.com/apple/swift-log.git
Working copy of https://github.com/apple/swift-log.git resolved at 1.15.1
Creating working copy for https://github.com/Flagsmith/flagsmith-ios-client.git
Working copy of https://github.com/Flagsmith/flagsmith-ios-client.git resolved at 3.10.0
Creating working copy for https://github.com/open-feature/swift-sdk.git
Working copy of https://github.com/open-feature/swift-sdk.git resolved at 0.6.0
Creating working copy for https://github.com/swhitty/FlyingFox.git
Working copy of https://github.com/swhitty/FlyingFox.git resolved at 0.27.1
Build complete.
{
"dependencies" : [
{
"identity" : "swift-sdk",
"requirement" : {
"range" : [
{
"lower_bound" : "0.6.0",
"upper_bound" : "1.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/open-feature/swift-sdk.git"
},
{
"identity" : "flagsmith-ios-client",
"requirement" : {
"range" : [
{
"lower_bound" : "3.10.0",
"upper_bound" : "4.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/Flagsmith/flagsmith-ios-client.git"
},
{
"identity" : "swift-log",
"requirement" : {
"range" : [
{
"lower_bound" : "1.15.0",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-log.git"
},
{
"identity" : "flyingfox",
"requirement" : {
"range" : [
{
"lower_bound" : "0.27.1",
"upper_bound" : "1.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/swhitty/FlyingFox.git"
}
],
"manifest_display_name" : "FlagsmithOpenFeatureProvider",
"name" : "FlagsmithOpenFeatureProvider",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "15.0"
},
{
"name" : "macos",
"version" : "12.0"
},
{
"name" : "watchos",
"version" : "8.0"
},
{
"name" : "tvos",
"version" : "15.0"
}
],
"products" : [
{
"name" : "FlagsmithOpenFeature",
"targets" : [
"FlagsmithOpenFeature"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "FlagsmithOpenFeatureTests",
"module_type" : "SwiftTarget",
"name" : "FlagsmithOpenFeatureTests",
"path" : "tests/unit",
"sources" : [
"FlagSourceMock.swift",
"FlagsmithProviderTests+Booleans.swift",
"FlagsmithProviderTests+Events.swift",
"FlagsmithProviderTests+Metadata.swift",
"FlagsmithProviderTests+Numbers.swift",
"FlagsmithProviderTests+Objects.swift",
"FlagsmithProviderTests+Strings.swift",
"FlagsmithProviderTests.swift"
],
"target_dependencies" : [
"FlagsmithOpenFeature",
"FlagsmithOpenFeatureTestSupport"
],
"type" : "test"
},
{
"c99name" : "FlagsmithOpenFeatureTestSupport",
"module_type" : "SwiftTarget",
"name" : "FlagsmithOpenFeatureTestSupport",
"path" : "tests/support",
"product_dependencies" : [
"Logging"
],
"sources" : [
"LogCapture.swift"
],
"type" : "library"
},
{
"c99name" : "FlagsmithOpenFeatureIntegrationTests",
"module_type" : "SwiftTarget",
"name" : "FlagsmithOpenFeatureIntegrationTests",
"path" : "tests/integration",
"product_dependencies" : [
"FlyingFox"
],
"sources" : [
"FlagsmithAPIMock.swift",
"FlagsmithProviderIntegrationTests.swift"
],
"target_dependencies" : [
"FlagsmithOpenFeature",
"FlagsmithOpenFeatureTestSupport"
],
"type" : "test"
},
{
"c99name" : "FlagsmithOpenFeature",
"module_type" : "SwiftTarget",
"name" : "FlagsmithOpenFeature",
"path" : "Sources/FlagsmithOpenFeature",
"product_dependencies" : [
"OpenFeature",
"FlagsmithClient",
"Logging"
],
"product_memberships" : [
"FlagsmithOpenFeature"
],
"sources" : [
"FlagsmithFlagSource.swift",
"FlagsmithProvider+Context.swift",
"FlagsmithProvider+Evaluation.swift",
"FlagsmithProvider+Resolution.swift",
"FlagsmithProvider+Updates.swift",
"FlagsmithProvider.swift",
"JSONValue.swift",
"SnapshotState.swift"
],
"type" : "library"
}
],
"tools_version" : "5.9"
}
Done.