Build Information
Failed to build UnleashProxyClientSwift, reference main (033bf6), with Swift 6.2 for watchOS using Xcode 26.3 on 17 Aug 2026 16:04:03 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme UnleashProxyClientSwift -destination generic/platform=watchOSBuild Log
========================================
RunAll
========================================
Builder version: 5.0.2
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Unleash/unleash-ios-sdk.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Unleash/unleash-ios-sdk
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 033bf6d chore: release 2.5.2 (#147)
Cloned https://github.com/Unleash/unleash-ios-sdk.git
Revision (git rev-parse @):
033bf6dbf5e1605f4839198a3173e77c91360d8b
SUCCESS checkout https://github.com/Unleash/unleash-ios-sdk.git at main
========================================
Build
========================================
Selected platform: watchOS
Swift version: 6.2
Building package at path: $PWD
https://github.com/Unleash/unleash-ios-sdk.git
Command line invocation:
/Applications/Xcode-26.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Fetching from https://github.com/cesarferreira/SwiftEventBus.git
Creating working copy of package ‘SwiftEventBus’
Checking out 5.3.0 of package ‘SwiftEventBus’
Resolve Package Graph
Resolved source packages:
SwiftEventBus: https://github.com/cesarferreira/SwiftEventBus.git @ 5.3.0
UnleashProxyClientSwift: /Users/admin/builder/spi-builder-workspace
resolved source packages: SwiftEventBus, UnleashProxyClientSwift
2026-08-17 12:03:35.822 xcodebuild[538:3100] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
"dependencies" : [
{
"identity" : "swifteventbus",
"requirement" : {
"range" : [
{
"lower_bound" : "5.1.0",
"upper_bound" : "6.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/cesarferreira/SwiftEventBus.git"
}
],
"manifest_display_name" : "UnleashProxyClientSwift",
"name" : "UnleashProxyClientSwift",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "10.15"
},
{
"name" : "ios",
"version" : "12.0"
}
],
"products" : [
{
"name" : "UnleashProxyClientSwift",
"targets" : [
"UnleashProxyClientSwift"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "UnleashProxyClientSwiftTests",
"module_type" : "SwiftTarget",
"name" : "UnleashProxyClientSwiftTests",
"path" : "Tests/UnleashProxyClientSwiftTests",
"resources" : [
{
"path" : "/Users/admin/builder/spi-builder-workspace/Tests/UnleashProxyClientSwiftTests/FeatureResponseStub.json",
"rule" : {
"copy" : {
}
}
}
],
"sources" : [
"BootstrapTests.swift",
"FakeHTTPResponse.swift",
"ImpressionEventsTests.swift",
"MetricsTests.swift",
"MockMetrics.swift",
"MockPoller.swift",
"PollerTests.swift",
"UnleashClientIntegrationTest.swift",
"UnleashProxyClientSwiftTests.swift",
"UnleashThreadSafetyTest.swift",
"testUtils.swift"
],
"target_dependencies" : [
"UnleashProxyClientSwift"
],
"type" : "test"
},
{
"c99name" : "UnleashProxyClientSwift",
"module_type" : "SwiftTarget",
"name" : "UnleashProxyClientSwift",
"path" : "Sources/UnleashProxyClientSwift",
"product_dependencies" : [
"SwiftEventBus"
],
"product_memberships" : [
"UnleashProxyClientSwift"
],
"sources" : [
"Client/Bootstrap.swift",
"Client/UnleashProxyClientSwift.swift",
"DTO/Context.swift",
"DTO/FeatureResponse.swift",
"DTO/Payload.swift",
"DTO/Toggle.swift",
"DTO/UnleashEvent.swift",
"DTO/Variant.swift",
"Events/ImpressionEvent.swift",
"Metrics/Bucket.swift",
"Metrics/Metrics.swift",
"Metrics/MetricsPayload.swift",
"Metrics/ToggleMetrics.swift",
"Poller/CustomHeadersProvider.swift",
"Poller/DefaultCustomHeadersProvider.swift",
"Poller/DictionaryStorageProvider.swift",
"Poller/Poller.swift",
"Poller/PollerError.swift",
"Poller/PollerSession.swift",
"Poller/StorageProvider.swift",
"Utils/Date+iso8601String.swift",
"Utils/Printer.swift",
"Utils/URLSession+Extensions.swift",
"Utils/utils.swift",
"Version/Version.swift"
],
"type" : "library"
}
],
"tools_version" : "5.3"
}
{
"workspace" : {
"name" : "spi-builder-workspace",
"schemes" : [
"UnleashProxyClientSwift"
]
}
}
2026-08-17 12:03:56.212 xcodebuild[707:4383] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme UnleashProxyClientSwift -destination generic/platform=watchOS
Command line invocation:
/Applications/Xcode-26.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme UnleashProxyClientSwift -destination generic/platform=watchOS
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
UnleashProxyClientSwift: /Users/admin/builder/spi-builder-workspace
SwiftEventBus: https://github.com/cesarferreira/SwiftEventBus.git @ 5.3.0
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (4 targets)
Target 'UnleashProxyClientSwift' in project 'UnleashProxyClientSwift'
➜ Explicit dependency on target 'UnleashProxyClientSwift' in project 'UnleashProxyClientSwift'
➜ Explicit dependency on target 'SwiftEventBus' in project 'SwiftEventBus'
Target 'UnleashProxyClientSwift' in project 'UnleashProxyClientSwift'
➜ Explicit dependency on target 'SwiftEventBus' in project 'SwiftEventBus'
Target 'SwiftEventBus' in project 'SwiftEventBus'
➜ Explicit dependency on target 'SwiftEventBus' in project 'SwiftEventBus'
Target 'SwiftEventBus' in project 'SwiftEventBus' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.2.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 0ddd88df58a724233e18c9b509a25946
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/0ddd88df58a724233e18c9b509a25946.xcbuilddata
error: The package product 'SwiftEventBus' requires minimum platform version 6.0 for the watchOS platform, but this target supports 5.0 (in target 'UnleashProxyClientSwift' from project 'UnleashProxyClientSwift')
2026-08-17 12:03:58.280 xcodebuild[709:4432] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
Building workspace spi-builder-workspace with scheme UnleashProxyClientSwift
(1 failure)
Command line invocation:
/Applications/Xcode-26.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolved source packages:
SwiftEventBus: https://github.com/cesarferreira/SwiftEventBus.git @ 5.3.0
UnleashProxyClientSwift: /Users/admin/builder/spi-builder-workspace
resolved source packages: SwiftEventBus, UnleashProxyClientSwift
2026-08-17 12:04:00.798 xcodebuild[732:4584] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
"dependencies" : [
{
"identity" : "swifteventbus",
"requirement" : {
"range" : [
{
"lower_bound" : "5.1.0",
"upper_bound" : "6.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/cesarferreira/SwiftEventBus.git"
}
],
"manifest_display_name" : "UnleashProxyClientSwift",
"name" : "UnleashProxyClientSwift",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "10.15"
},
{
"name" : "ios",
"version" : "12.0"
}
],
"products" : [
{
"name" : "UnleashProxyClientSwift",
"targets" : [
"UnleashProxyClientSwift"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "UnleashProxyClientSwiftTests",
"module_type" : "SwiftTarget",
"name" : "UnleashProxyClientSwiftTests",
"path" : "Tests/UnleashProxyClientSwiftTests",
"resources" : [
{
"path" : "/Users/admin/builder/spi-builder-workspace/Tests/UnleashProxyClientSwiftTests/FeatureResponseStub.json",
"rule" : {
"copy" : {
}
}
}
],
"sources" : [
"BootstrapTests.swift",
"FakeHTTPResponse.swift",
"ImpressionEventsTests.swift",
"MetricsTests.swift",
"MockMetrics.swift",
"MockPoller.swift",
"PollerTests.swift",
"UnleashClientIntegrationTest.swift",
"UnleashProxyClientSwiftTests.swift",
"UnleashThreadSafetyTest.swift",
"testUtils.swift"
],
"target_dependencies" : [
"UnleashProxyClientSwift"
],
"type" : "test"
},
{
"c99name" : "UnleashProxyClientSwift",
"module_type" : "SwiftTarget",
"name" : "UnleashProxyClientSwift",
"path" : "Sources/UnleashProxyClientSwift",
"product_dependencies" : [
"SwiftEventBus"
],
"product_memberships" : [
"UnleashProxyClientSwift"
],
"sources" : [
"Client/Bootstrap.swift",
"Client/UnleashProxyClientSwift.swift",
"DTO/Context.swift",
"DTO/FeatureResponse.swift",
"DTO/Payload.swift",
"DTO/Toggle.swift",
"DTO/UnleashEvent.swift",
"DTO/Variant.swift",
"Events/ImpressionEvent.swift",
"Metrics/Bucket.swift",
"Metrics/Metrics.swift",
"Metrics/MetricsPayload.swift",
"Metrics/ToggleMetrics.swift",
"Poller/CustomHeadersProvider.swift",
"Poller/DefaultCustomHeadersProvider.swift",
"Poller/DictionaryStorageProvider.swift",
"Poller/Poller.swift",
"Poller/PollerError.swift",
"Poller/PollerSession.swift",
"Poller/StorageProvider.swift",
"Utils/Date+iso8601String.swift",
"Utils/Printer.swift",
"Utils/URLSession+Extensions.swift",
"Utils/utils.swift",
"Version/Version.swift"
],
"type" : "library"
}
],
"tools_version" : "5.3"
}
{
"workspace" : {
"name" : "spi-builder-workspace",
"schemes" : [
"UnleashProxyClientSwift"
]
}
}
2026-08-17 12:04:01.943 xcodebuild[740:4646] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme UnleashProxyClientSwift -destination generic/platform=watchOS
Command line invocation:
/Applications/Xcode-26.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme UnleashProxyClientSwift -destination generic/platform=watchOS
Resolve Package Graph
Resolved source packages:
UnleashProxyClientSwift: /Users/admin/builder/spi-builder-workspace
SwiftEventBus: https://github.com/cesarferreira/SwiftEventBus.git @ 5.3.0
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (4 targets)
Target 'UnleashProxyClientSwift' in project 'UnleashProxyClientSwift'
➜ Explicit dependency on target 'UnleashProxyClientSwift' in project 'UnleashProxyClientSwift'
➜ Explicit dependency on target 'SwiftEventBus' in project 'SwiftEventBus'
Target 'UnleashProxyClientSwift' in project 'UnleashProxyClientSwift'
➜ Explicit dependency on target 'SwiftEventBus' in project 'SwiftEventBus'
Target 'SwiftEventBus' in project 'SwiftEventBus'
➜ Explicit dependency on target 'SwiftEventBus' in project 'SwiftEventBus'
Target 'SwiftEventBus' in project 'SwiftEventBus' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.2.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 0ddd88df58a724233e18c9b509a25946
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/0ddd88df58a724233e18c9b509a25946.xcbuilddata
error: The package product 'SwiftEventBus' requires minimum platform version 6.0 for the watchOS platform, but this target supports 5.0 (in target 'UnleashProxyClientSwift' from project 'UnleashProxyClientSwift')
2026-08-17 12:04:02.811 xcodebuild[742:4677] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
Building workspace spi-builder-workspace with scheme UnleashProxyClientSwift
(1 failure)
BUILD FAILURE 6.2 watchOS