Swift Package IndexBuild Information
Failed to build PayKit, reference v1.0.0 (bf6eba), with Swift 6.1 for macOS (SPM) on 12 Feb 2026 04:46:56 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64Build Log
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RunAll
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Builder version: 4.68.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/cashapp/cash-app-pay-ios-sdk.git
Reference: v1.0.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/cashapp/cash-app-pay-ios-sdk
* tag v1.0.0 -> FETCH_HEAD
HEAD is now at bf6eba6 Merge pull request #37 from cashapp/release-1.0.0
Cloned https://github.com/cashapp/cash-app-pay-ios-sdk.git
Revision (git rev-parse @):
bf6eba6b767301bf1d365c63ab7692a2b8b44490
SUCCESS checkout https://github.com/cashapp/cash-app-pay-ios-sdk.git at v1.0.0
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Build
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Selected platform: macosSpm
Swift version: 6.1
Building package at path: $PWD
https://github.com/cashapp/cash-app-pay-ios-sdk.git
https://github.com/cashapp/cash-app-pay-ios-sdk.git
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"manifest_display_name" : "PayKit",
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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
Fetching https://github.com/SwiftGen/SwiftGenPlugin.git
Fetching https://github.com/pointfreeco/swift-snapshot-testing.git from cache
[3/121] Fetching swiftgenplugin
Fetched https://github.com/SwiftGen/SwiftGenPlugin.git from cache (1.73s)
Fetched https://github.com/pointfreeco/swift-snapshot-testing.git from cache (1.75s)
Computing version for https://github.com/SwiftGen/SwiftGenPlugin.git
Computed https://github.com/SwiftGen/SwiftGenPlugin.git at 6.6.2 (2.34s)
Computing version for https://github.com/pointfreeco/swift-snapshot-testing.git
Computed https://github.com/pointfreeco/swift-snapshot-testing.git at 1.18.9 (0.50s)
Fetching https://github.com/pointfreeco/swift-custom-dump from cache
Fetching https://github.com/swiftlang/swift-syntax from cache
Fetched https://github.com/pointfreeco/swift-custom-dump from cache (1.03s)
Fetched https://github.com/swiftlang/swift-syntax from cache (1.86s)
Computing version for https://github.com/pointfreeco/swift-custom-dump
Computed https://github.com/pointfreeco/swift-custom-dump at 1.4.1 (2.41s)
Fetching https://github.com/pointfreeco/xctest-dynamic-overlay from cache
Fetched https://github.com/pointfreeco/xctest-dynamic-overlay from cache (0.72s)
Computing version for https://github.com/swiftlang/swift-syntax
Computed https://github.com/swiftlang/swift-syntax at 602.0.0 (1.41s)
Computing version for https://github.com/pointfreeco/xctest-dynamic-overlay
Computed https://github.com/pointfreeco/xctest-dynamic-overlay at 1.8.1 (0.51s)
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/swiftlang/swift-syntax
Working copy of https://github.com/swiftlang/swift-syntax resolved at 602.0.0
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 1.18.9
Creating working copy for https://github.com/pointfreeco/swift-custom-dump
Working copy of https://github.com/pointfreeco/swift-custom-dump resolved at 1.4.1
Creating working copy for https://github.com/pointfreeco/xctest-dynamic-overlay
Working copy of https://github.com/pointfreeco/xctest-dynamic-overlay resolved at 1.8.1
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 (0.69s)
error: a prebuild command cannot use executables built from source, including executable target 'swiftgen'
error: build planning stopped due to build-tool plugin failures
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64
error: a prebuild command cannot use executables built from source, including executable target 'swiftgen'
error: build planning stopped due to build-tool plugin failures
BUILD FAILURE 6.1 macosSpm