Build Information
Successful build of AmplitudeCore, reference v1.4.5 (d9d24b), with Swift 6.3 for macOS (SPM) on 19 Apr 2026 12:32:02 UTC.
Swift 6 data race errors: 0
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64Build Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/amplitude/AmplitudeCore-Swift.git
Reference: v1.4.5
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/amplitude/AmplitudeCore-Swift
* tag v1.4.5 -> FETCH_HEAD
HEAD is now at d9d24b7 chore(release): 1.4.5 [skip ci]
Cloned https://github.com/amplitude/AmplitudeCore-Swift.git
Revision (git rev-parse @):
d9d24b79d4fcb4f1d1dcbc50ae20430afd22ebd0
SUCCESS checkout https://github.com/amplitude/AmplitudeCore-Swift.git at v1.4.5
Downloading binary artifact https://github.com/amplitude/AmplitudeCore-Swift/releases/download/v1.4.5/AmplitudeCore.zip
Downloading binary artifact https://github.com/amplitude/AmplitudeCore-Swift/releases/download/v1.4.5/AmplitudeCoreNoUIKit.zip
[15550/19337934] Downloading https://github.com/amplitude/AmplitudeCore-Swift/releases/download/v1.4.5/AmplitudeCore.zip
[9832045/36296088] Downloading https://github.com/amplitude/AmplitudeCore-Swift/releases/download/v1.4.5/AmplitudeCore.zip, https://github.com/amplitude/AmplitudeCore-Swift/releases/download/v1.4.5/AmplitudeCoreNoUIKit.zip
Downloaded https://github.com/amplitude/AmplitudeCore-Swift/releases/download/v1.4.5/AmplitudeCoreNoUIKit.zip (1.81s)
Downloaded https://github.com/amplitude/AmplitudeCore-Swift/releases/download/v1.4.5/AmplitudeCore.zip (1.89s)
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
"identity": ".resolve-product-dependencies",
"name": "resolve-dependencies",
"url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
"traits": [
"default"
],
"dependencies": [
{
"identity": "amplitudecore-swift",
"name": "AmplitudeCore",
"url": "https://github.com/amplitude/AmplitudeCore-Swift.git",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/AmplitudeCore-Swift",
"traits": [
"default"
],
"dependencies": [
]
}
]
}
Fetching https://github.com/amplitude/AmplitudeCore-Swift.git
[1/1204] Fetching amplitudecore-swift
Fetched https://github.com/amplitude/AmplitudeCore-Swift.git from cache (0.77s)
Creating working copy for https://github.com/amplitude/AmplitudeCore-Swift.git
Working copy of https://github.com/amplitude/AmplitudeCore-Swift.git resolved at v1.4.5 (d9d24b7)
Fetching binary artifact https://github.com/amplitude/AmplitudeCore-Swift/releases/download/v1.4.5/AmplitudeCore.zip from cache
Fetching binary artifact https://github.com/amplitude/AmplitudeCore-Swift/releases/download/v1.4.5/AmplitudeCoreNoUIKit.zip from cache
Fetched https://github.com/amplitude/AmplitudeCore-Swift/releases/download/v1.4.5/AmplitudeCoreNoUIKit.zip from cache (1.25s)
Fetched https://github.com/amplitude/AmplitudeCore-Swift/releases/download/v1.4.5/AmplitudeCore.zip from cache (1.28s)
warning: '.resolve-product-dependencies': dependency 'amplitudecore-swift' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform: macosSpm
Swift version: 6.3
Building package at path: $PWD
https://github.com/amplitude/AmplitudeCore-Swift.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
Building for debugging...
[0/5] Write sources
[1/5] Copying PrivacyInfo.xcprivacy
[2/5] Write sources
[4/5] Write swift-version--6988338F2F200930.txt
[6/47] Emitting module AmplitudeCore
[7/49] Compiling AmplitudeCore PluginHost.swift
[8/49] Compiling AmplitudeCore UniversalPlugin.swift
[9/49] Compiling AmplitudeCore StringExtension.swift
[10/49] Compiling AmplitudeCore resource_bundle_accessor.swift
[11/49] Compiling AmplitudeCore AnalyticsEvent.swift
[12/49] Compiling AmplitudeCore Sample.swift
[13/49] Compiling AmplitudeCore AnalyticsIdentity.swift
[14/49] Compiling AmplitudeCore RemoteConfigClient.swift
[16/49] Compiling AmplitudeCore ServerZone.swift
[19/49] Compiling AmplitudeCore JSONValue.swift
[20/49] Compiling AmplitudeCoreNoUIKit InterfaceSignal.swift
[21/49] Compiling AmplitudeCoreNoUIKit CoreLogger.swift
[26/49] Compiling AmplitudeCore InterfaceSignal.swift
[28/49] Compiling AmplitudeCore CoreLogger.swift
[31/49] Compiling AmplitudeCore CoreDiagnostics.swift
[34/49] Compiling AmplitudeCoreNoUIKit RemoteConfigClient.swift
[35/49] Compiling AmplitudeCoreNoUIKit ServerZone.swift
[36/49] Compiling AmplitudeCore DiagnosticsClient.swift
[37/49] Compiling AmplitudeCore DiagnosticsStorage.swift
[43/51] Compiling AmplitudeCoreNoUIKit StringExtension.swift
[44/51] Compiling AmplitudeCoreNoUIKit resource_bundle_accessor.swift
[45/51] Emitting module AmplitudeCoreNoUIKit
[46/51] Compiling AmplitudeCoreNoUIKit Constants.swift
[47/51] Compiling AmplitudeCoreNoUIKit AmplitudeContext.swift
[48/51] Compiling AmplitudeCoreNoUIKit CoreDevice.swift
Build complete! (11.19s)
Build complete.
{
"dependencies" : [
],
"manifest_display_name" : "AmplitudeCore",
"name" : "AmplitudeCore",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "10.13"
},
{
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},
{
"name" : "tvos",
"version" : "12.0"
},
{
"name" : "watchos",
"version" : "4.0"
},
{
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],
"products" : [
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"targets" : [
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"type" : {
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}
},
{
"name" : "AmplitudeCoreNoUIKit",
"targets" : [
"AmplitudeCoreNoUIKit"
],
"type" : {
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}
},
{
"name" : "AmplitudeCoreFramework",
"targets" : [
"AmplitudeCoreFramework"
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"type" : {
"library" : [
"automatic"
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}
},
{
"name" : "AmplitudeCoreNoUIKitFramework",
"targets" : [
"AmplitudeCoreNoUIKitFramework"
],
"type" : {
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}
}
],
"targets" : [
{
"c99name" : "AmplitudeCoreTests",
"module_type" : "SwiftTarget",
"name" : "AmplitudeCoreTests",
"path" : "Tests/AmplitudeCoreTests",
"sources" : [
"DiagnosticsClientTests.swift",
"DiagnosticsRemoteConfigTests.swift",
"DiagnosticsStorageTests.swift",
"RemoteConfigTests.swift",
"SampleTests.swift",
"StringExtensionTests.swift"
],
"target_dependencies" : [
"AmplitudeCore"
],
"type" : "test"
},
{
"c99name" : "AmplitudeCoreNoUIKitFramework",
"module_type" : "BinaryTarget",
"name" : "AmplitudeCoreNoUIKitFramework",
"path" : "remote/archive/AmplitudeCoreNoUIKit.zip",
"product_memberships" : [
"AmplitudeCoreNoUIKitFramework"
],
"sources" : [
],
"type" : "binary"
},
{
"c99name" : "AmplitudeCoreNoUIKit",
"module_type" : "SwiftTarget",
"name" : "AmplitudeCoreNoUIKit",
"path" : "Sources/AmplitudeCoreNoUIKit",
"product_memberships" : [
"AmplitudeCoreNoUIKit"
],
"resources" : [
{
"path" : "/Users/admin/builder/spi-builder-workspace/Sources/AmplitudeCoreNoUIKit/PrivacyInfo.xcprivacy",
"rule" : {
"process" : {
}
}
}
],
"sources" : [
"Constants.swift",
"Context/AmplitudeContext.swift",
"Device/CoreDevice.swift",
"Diagnostics/CoreDiagnostics.swift",
"Diagnostics/DiagnosticsClient.swift",
"Diagnostics/DiagnosticsStorage.swift",
"Functionalities/InterfaceSignal.swift",
"Logger/CoreLogger.swift",
"Logger/OSLogger.swift",
"Plugins/AnalyticsClient.swift",
"Plugins/AnalyticsEvent.swift",
"Plugins/AnalyticsIdentity.swift",
"Plugins/PluginHost.swift",
"Plugins/UniversalPlugin.swift",
"Remote Config/RemoteConfigClient.swift",
"Types/ServerZone.swift",
"Utilities/CrashCatcher.swift",
"Utilities/HttpUtil.swift",
"Utilities/JSONValue.swift",
"Utilities/Sample.swift",
"Utilities/StringExtension.swift"
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"type" : "library"
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{
"c99name" : "AmplitudeCoreFramework",
"module_type" : "BinaryTarget",
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"path" : "remote/archive/AmplitudeCore.zip",
"product_memberships" : [
"AmplitudeCoreFramework"
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"sources" : [
],
"type" : "binary"
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{
"c99name" : "AmplitudeCore",
"module_type" : "SwiftTarget",
"name" : "AmplitudeCore",
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"resources" : [
{
"path" : "/Users/admin/builder/spi-builder-workspace/Sources/AmplitudeCore/PrivacyInfo.xcprivacy",
"rule" : {
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],
"sources" : [
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"Context/AmplitudeContext.swift",
"Device/CoreDevice.swift",
"Diagnostics/CoreDiagnostics.swift",
"Diagnostics/DiagnosticsClient.swift",
"Diagnostics/DiagnosticsStorage.swift",
"Functionalities/InterfaceSignal.swift",
"Logger/CoreLogger.swift",
"Logger/OSLogger.swift",
"Plugins/AnalyticsClient.swift",
"Plugins/AnalyticsEvent.swift",
"Plugins/AnalyticsIdentity.swift",
"Plugins/PluginHost.swift",
"Plugins/UniversalPlugin.swift",
"Remote Config/RemoteConfigClient.swift",
"Types/ServerZone.swift",
"Utilities/CrashCatcher.swift",
"Utilities/HttpUtil.swift",
"Utilities/JSONValue.swift",
"Utilities/Sample.swift",
"Utilities/StringExtension.swift"
],
"type" : "library"
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],
"tools_version" : "6.2"
}
Done.