Build Information
Failed to build PayKit, reference v2.0.0 (e33a14), with Swift 6.3 for macOS (SPM) on 16 Sep 2026 11:30:27 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.5.0.app xcrun swift build --arch arm64Build Log
========================================
RunAll
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Builder version: 5.1.0
Interrupt handler set up.
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Checkout
========================================
Clone URL: https://github.com/cashapp/cash-app-pay-ios-sdk.git
Reference: v2.0.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/cashapp/cash-app-pay-ios-sdk
* tag v2.0.0 -> FETCH_HEAD
HEAD is now at e33a148 Merge pull request #43 from cashapp/nalexander/release-2.0.0
Cloned https://github.com/cashapp/cash-app-pay-ios-sdk.git
Revision (git rev-parse @):
e33a1488fc98453d273c1f3e1975404ee734609f
SUCCESS checkout https://github.com/cashapp/cash-app-pay-ios-sdk.git at v2.0.0
Fetching https://github.com/SwiftGen/SwiftGenPlugin.git
Fetching https://github.com/pointfreeco/swift-snapshot-testing.git
[1/121] Fetching swiftgenplugin
[122/16526] Fetching swiftgenplugin, swift-snapshot-testing
Fetched https://github.com/pointfreeco/swift-snapshot-testing.git from cache (8.11s)
Fetched https://github.com/SwiftGen/SwiftGenPlugin.git from cache (8.12s)
Computing version for https://github.com/SwiftGen/SwiftGenPlugin.git
Computed https://github.com/SwiftGen/SwiftGenPlugin.git at 6.6.2 (8.81s)
Computing version for https://github.com/pointfreeco/swift-snapshot-testing.git
Computed https://github.com/pointfreeco/swift-snapshot-testing.git at 1.19.5 (0.60s)
Fetching https://github.com/swiftlang/swift-syntax
Fetching https://github.com/pointfreeco/swift-custom-dump
[1/5656] Fetching swift-custom-dump
[5657/85573] Fetching swift-custom-dump, swift-syntax
Fetched https://github.com/swiftlang/swift-syntax from cache (5.04s)
Fetched https://github.com/pointfreeco/swift-custom-dump from cache (5.04s)
Computing version for https://github.com/pointfreeco/swift-custom-dump
Computed https://github.com/pointfreeco/swift-custom-dump at 1.7.3 (5.67s)
Fetching https://github.com/pointfreeco/xctest-dynamic-overlay
[1/2727] Fetching xctest-dynamic-overlay
Fetched https://github.com/pointfreeco/xctest-dynamic-overlay from cache (1.41s)
Computing version for https://github.com/pointfreeco/xctest-dynamic-overlay
Computed https://github.com/pointfreeco/xctest-dynamic-overlay at 1.13.1 (3.71s)
Computing version for https://github.com/swiftlang/swift-syntax
Computed https://github.com/swiftlang/swift-syntax at 604.0.0 (0.79s)
Creating working copy for https://github.com/SwiftGen/SwiftGenPlugin.git
Working copy of https://github.com/SwiftGen/SwiftGenPlugin.git resolved at 6.6.2
Creating working copy for https://github.com/pointfreeco/swift-snapshot-testing.git
Working copy of https://github.com/pointfreeco/swift-snapshot-testing.git resolved at 1.19.5
Creating working copy for https://github.com/pointfreeco/swift-custom-dump
Working copy of https://github.com/pointfreeco/swift-custom-dump resolved at 1.7.3
Creating working copy for https://github.com/swiftlang/swift-syntax
Working copy of https://github.com/swiftlang/swift-syntax resolved at 604.0.0
Creating working copy for https://github.com/pointfreeco/xctest-dynamic-overlay
Working copy of https://github.com/pointfreeco/xctest-dynamic-overlay resolved at 1.13.1
Downloading binary artifact https://github.com/SwiftGen/SwiftGen/releases/download/6.6.2/swiftgen-6.6.2.artifactbundle.zip
[16375/3450738] Downloading https://github.com/SwiftGen/SwiftGen/releases/download/6.6.2/swiftgen-6.6.2.artifactbundle.zip
Downloaded https://github.com/SwiftGen/SwiftGen/releases/download/6.6.2/swiftgen-6.6.2.artifactbundle.zip (0.58s)
========================================
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": "cash-app-pay-ios-sdk",
"name": "PayKit",
"url": "https://github.com/cashapp/cash-app-pay-ios-sdk.git",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/cash-app-pay-ios-sdk",
"traits": [
"default"
],
"dependencies": [
{
"identity": "swiftgenplugin",
"name": "SwiftGenPlugin",
"url": "https://github.com/SwiftGen/SwiftGenPlugin.git",
"version": "6.6.2",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/SwiftGenPlugin",
"traits": [
"default"
],
"dependencies": [
]
}
]
}
]
}
Fetching https://github.com/cashapp/cash-app-pay-ios-sdk.git
[1/736] Fetching cash-app-pay-ios-sdk
Fetched https://github.com/cashapp/cash-app-pay-ios-sdk.git from cache (1.22s)
Fetching https://github.com/SwiftGen/SwiftGenPlugin.git from cache
Fetched https://github.com/SwiftGen/SwiftGenPlugin.git from cache (0.52s)
Computing version for https://github.com/SwiftGen/SwiftGenPlugin.git
Computed https://github.com/SwiftGen/SwiftGenPlugin.git at 6.6.2 (0.58s)
Creating working copy for https://github.com/SwiftGen/SwiftGenPlugin.git
Working copy of https://github.com/SwiftGen/SwiftGenPlugin.git resolved at 6.6.2
Creating working copy for https://github.com/cashapp/cash-app-pay-ios-sdk.git
Working copy of https://github.com/cashapp/cash-app-pay-ios-sdk.git resolved at v2.0.0 (e33a148)
Fetching binary artifact https://github.com/SwiftGen/SwiftGen/releases/download/6.6.2/swiftgen-6.6.2.artifactbundle.zip from cache
Fetched https://github.com/SwiftGen/SwiftGen/releases/download/6.6.2/swiftgen-6.6.2.artifactbundle.zip from cache (0.21s)
warning: '.resolve-product-dependencies': dependency 'cash-app-pay-ios-sdk' is not used by any target
Found 1 product dependencies
- SwiftGenPlugin
========================================
Build
========================================
Selected platform: macosSpm
Swift version: 6.3
Building package at path: $PWD
https://github.com/cashapp/cash-app-pay-ios-sdk.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.5.0.app xcrun swift build --arch arm64
[1/1] Compiling plugin SwiftGen-Generate
[2/2] Compiling plugin SwiftGenPlugin
Building for debugging...
[2/14] Copying PrivacyInfo.xcprivacy
[2/14] Copying Info.plist
[2/14] Copying custom-xcassets-template.stencil
[2/14] Copying Localizable.strings
[2/14] Copying PrivacyInfo.xcprivacy
[2/14] Copying swiftgen.yml
[9/14] Write sources
[11/14] Copying Images.xcassets
[12/14] Copying Colors.xcassets
[13/14] Write swift-version-69A768CDF2A0BEE1.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[15/47] Emitting module PayKit
/Users/admin/builder/spi-builder-workspace/Sources/PayKit/CashAppPay.swift:18:8: error: no such module 'UIKit'
16 |
17 | import Foundation
18 | import UIKit
| `- error: no such module 'UIKit'
19 |
20 | public class CashAppPay {
[16/49] Compiling PayKit StateMachine.swift
/Users/admin/builder/spi-builder-workspace/Sources/PayKit/CashAppPay.swift:18:8: error: no such module 'UIKit'
16 |
17 | import Foundation
18 | import UIKit
| `- error: no such module 'UIKit'
19 |
20 | public class CashAppPay {
[17/49] Compiling PayKit resource_bundle_accessor.swift
/Users/admin/builder/spi-builder-workspace/Sources/PayKit/CashAppPay.swift:18:8: error: no such module 'UIKit'
16 |
17 | import Foundation
18 | import UIKit
| `- error: no such module 'UIKit'
19 |
20 | public class CashAppPay {
[18/49] Compiling PayKit RetryPolicy.swift
/Users/admin/builder/spi-builder-workspace/Sources/PayKit/CashAppPay.swift:18:8: error: no such module 'UIKit'
16 |
17 | import Foundation
18 | import UIKit
| `- error: no such module 'UIKit'
19 |
20 | public class CashAppPay {
[19/49] Compiling PayKit UserAgent.swift
/Users/admin/builder/spi-builder-workspace/Sources/PayKit/CashAppPay.swift:18:8: error: no such module 'UIKit'
16 |
17 | import Foundation
18 | import UIKit
| `- error: no such module 'UIKit'
19 |
20 | public class CashAppPay {
[20/49] Compiling PayKit HTTPRequest.swift
/Users/admin/builder/spi-builder-workspace/Sources/PayKit/CashAppPay.swift:18:8: error: no such module 'UIKit'
16 |
17 | import Foundation
18 | import UIKit
| `- error: no such module 'UIKit'
19 |
20 | public class CashAppPay {
[21/49] Compiling PayKit RESTService.swift
/Users/admin/builder/spi-builder-workspace/Sources/PayKit/CashAppPay.swift:18:8: error: no such module 'UIKit'
16 |
17 | import Foundation
18 | import UIKit
| `- error: no such module 'UIKit'
19 |
20 | public class CashAppPay {
[22/49] Compiling PayKit ObjCWrapper.swift
/Users/admin/builder/spi-builder-workspace/Sources/PayKit/CashAppPay.swift:18:8: error: no such module 'UIKit'
16 |
17 | import Foundation
18 | import UIKit
| `- error: no such module 'UIKit'
19 |
20 | public class CashAppPay {
[23/49] Compiling PayKit AnalyticsClient.swift
/Users/admin/builder/spi-builder-workspace/Sources/PayKit/CashAppPay.swift:18:8: error: no such module 'UIKit'
16 |
17 | import Foundation
18 | import UIKit
| `- error: no such module 'UIKit'
19 |
20 | public class CashAppPay {
[24/49] Compiling PayKit AnalyticsDataSource.swift
/Users/admin/builder/spi-builder-workspace/Sources/PayKit/CashAppPay.swift:18:8: error: no such module 'UIKit'
16 |
17 | import Foundation
18 | import UIKit
| `- error: no such module 'UIKit'
19 |
20 | public class CashAppPay {
[25/49] Compiling PayKit AnalyticsEvent.swift
/Users/admin/builder/spi-builder-workspace/Sources/PayKit/CashAppPay.swift:18:8: error: no such module 'UIKit'
16 |
17 | import Foundation
18 | import UIKit
| `- error: no such module 'UIKit'
19 |
20 | public class CashAppPay {
[26/49] Compiling PayKit AnalyticsService.swift
/Users/admin/builder/spi-builder-workspace/Sources/PayKit/CashAppPay.swift:18:8: error: no such module 'UIKit'
16 |
17 | import Foundation
18 | import UIKit
| `- error: no such module 'UIKit'
19 |
20 | public class CashAppPay {
[27/49] Compiling PayKit CashAppPayState+ObjC.swift
/Users/admin/builder/spi-builder-workspace/Sources/PayKit/CashAppPay.swift:18:8: error: no such module 'UIKit'
16 |
17 | import Foundation
18 | import UIKit
| `- error: no such module 'UIKit'
19 |
20 | public class CashAppPay {
[28/49] Compiling PayKit CustomerRequest+ObjC.swift
/Users/admin/builder/spi-builder-workspace/Sources/PayKit/CashAppPay.swift:18:8: error: no such module 'UIKit'
16 |
17 | import Foundation
18 | import UIKit
| `- error: no such module 'UIKit'
19 |
20 | public class CashAppPay {
[29/49] Compiling PayKit Errors+ObjC.swift
/Users/admin/builder/spi-builder-workspace/Sources/PayKit/CashAppPay.swift:18:8: error: no such module 'UIKit'
16 |
17 | import Foundation
18 | import UIKit
| `- error: no such module 'UIKit'
19 |
20 | public class CashAppPay {
[30/49] Compiling PayKit Loggable.swift
/Users/admin/builder/spi-builder-workspace/Sources/PayKit/CashAppPay.swift:18:8: error: no such module 'UIKit'
16 |
17 | import Foundation
18 | import UIKit
| `- error: no such module 'UIKit'
19 |
20 | public class CashAppPay {
[31/49] Compiling PayKit Log.swift
/Users/admin/builder/spi-builder-workspace/Sources/PayKit/CashAppPay.swift:18:8: error: no such module 'UIKit'
16 |
17 | import Foundation
18 | import UIKit
| `- error: no such module 'UIKit'
19 |
20 | public class CashAppPay {
[32/49] Compiling PayKit CashAppPayEndpoint+Analytics.swift
/Users/admin/builder/spi-builder-workspace/Sources/PayKit/CashAppPay.swift:18:8: error: no such module 'UIKit'
16 |
17 | import Foundation
18 | import UIKit
| `- error: no such module 'UIKit'
19 |
20 | public class CashAppPay {
[33/49] Compiling PayKit JSONEncoder+Analytics.swift
/Users/admin/builder/spi-builder-workspace/Sources/PayKit/CashAppPay.swift:18:8: error: no such module 'UIKit'
16 |
17 | import Foundation
18 | import UIKit
| `- error: no such module 'UIKit'
19 |
20 | public class CashAppPay {
[34/49] Compiling PayKit Errors.swift
/Users/admin/builder/spi-builder-workspace/Sources/PayKit/CashAppPay.swift:18:8: error: no such module 'UIKit'
16 |
17 | import Foundation
18 | import UIKit
| `- error: no such module 'UIKit'
19 |
20 | public class CashAppPay {
[35/49] Compiling PayKit JSONCoder+PayKit.swift
/Users/admin/builder/spi-builder-workspace/Sources/PayKit/CashAppPay.swift:18:8: error: no such module 'UIKit'
16 |
17 | import Foundation
18 | import UIKit
| `- error: no such module 'UIKit'
19 |
20 | public class CashAppPay {
[36/49] Compiling PayKit NetworkManager.swift
/Users/admin/builder/spi-builder-workspace/Sources/PayKit/CashAppPay.swift:18:8: error: no such module 'UIKit'
16 |
17 | import Foundation
18 | import UIKit
| `- error: no such module 'UIKit'
19 |
20 | public class CashAppPay {
[37/49] Compiling PayKit CashAppPay.swift
/Users/admin/builder/spi-builder-workspace/Sources/PayKit/CashAppPay.swift:18:8: error: no such module 'UIKit'
16 |
17 | import Foundation
18 | import UIKit
| `- error: no such module 'UIKit'
19 |
20 | public class CashAppPay {
[38/49] Compiling PayKit CustomerRequest+Extensions.swift
/Users/admin/builder/spi-builder-workspace/Sources/PayKit/CashAppPay.swift:18:8: error: no such module 'UIKit'
16 |
17 | import Foundation
18 | import UIKit
| `- error: no such module 'UIKit'
19 |
20 | public class CashAppPay {
[39/49] Compiling PayKit CustomerRequest.swift
/Users/admin/builder/spi-builder-workspace/Sources/PayKit/CashAppPay.swift:18:8: error: no such module 'UIKit'
16 |
17 | import Foundation
18 | import UIKit
| `- error: no such module 'UIKit'
19 |
20 | public class CashAppPay {
BUILD FAILURE 6.3 macosSpm