Swift Package Index

Build Information

Failed to build SwiftFirebase, reference main (d38a30), with Swift 6.4 for watchOS using Xcode 27.0 on 19 Sep 2026 23:28:38 UTC.

Build Command

No build command. This typically means the build failed at an early stage where we determine the build command.

Build Log

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RunAll
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Builder version: 5.1.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/compnerd/swift-firebase.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/compnerd/swift-firebase
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at d38a30a Fix GitHub workflow jobs so they run, upgrade Swift toolchain, Android API & NDK versions.
Cloned https://github.com/compnerd/swift-firebase.git
Revision (git rev-parse @):
d38a30ae8348ca63acbff8e45f2a8d5e9ecb9b5f
SUCCESS checkout https://github.com/compnerd/swift-firebase.git at main
========================================
Build
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Selected platform:         watchOS
Swift version:             6.4
Building package at path:  $PWD
https://github.com/compnerd/swift-firebase.git
Command line invocation:
    /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Package: spi-builder-workspace
Resolve Package Graph
Package: spi-builder-workspace
Resolved source packages:
  spi-builder-workspace: (null)
2026-09-19 19:28:37.433 xcodebuild[529:3023] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-19-09_19-28-0037.xcresult
xcodebuild: error: Could not resolve package dependencies:
  No such module 'WinSDK'
  /Users/admin/builder/spi-builder-workspace/Package.swift:5:8: error: no such module 'WinSDK'
  3 | import PackageDescription
  4 | import Foundation
  5 | import WinSDK
    |        `- error: no such module 'WinSDK'
  6 |
  7 | let swiftc = "swiftc.exe".withCString(encodedAs: UTF16.self) { pwszCompiler in
Command line invocation:
    /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Package: spi-builder-workspace
Resolved source packages:
  spi-builder-workspace: (null)
2026-09-19 19:28:38.705 xcodebuild[593:3643] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-19-09_19-28-0038.xcresult
xcodebuild: error: Could not resolve package dependencies:
  No such module 'WinSDK'
  /Users/admin/builder/spi-builder-workspace/Package.swift:5:8: error: no such module 'WinSDK'
  3 | import PackageDescription
  4 | import Foundation
  5 | import WinSDK
    |        `- error: no such module 'WinSDK'
  6 |
  7 | let swiftc = "swiftc.exe".withCString(encodedAs: UTF16.self) { pwszCompiler in
BUILD FAILURE 6.4 watchOS