Swift Package IndexBuild Information
Failed to build Ultravox, reference main (eed051), with Swift 6.3 for visionOS using Xcode 26.4 on 16 Apr 2026 06:37:08 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Ultravox -destination generic/platform=xrOSBuild Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/fixie-ai/ultravox-client-sdk-ios.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/fixie-ai/ultravox-client-sdk-ios
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at eed0513 Refactored from URLSession to use NWConnection. (#8)
Cloned https://github.com/fixie-ai/ultravox-client-sdk-ios.git
Revision (git rev-parse @):
eed0513a8efdbeb5936de2de04c8e3df9ac05699
SUCCESS checkout https://github.com/fixie-ai/ultravox-client-sdk-ios.git at main
========================================
Build
========================================
Selected platform: visionOS
Swift version: 6.3
Building package at path: $PWD
https://github.com/fixie-ai/ultravox-client-sdk-ios.git
Command line invocation:
/Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Fetching from https://github.com/livekit/client-sdk-swift.git
Fetching from https://github.com/apple/swift-protobuf.git
Fetching from https://github.com/livekit/webrtc-xcframework.git
Fetching from https://github.com/livekit/livekit-uniffi-xcframework.git
Creating working copy of package ‘webrtc-xcframework’
Checking out 144.7559.3 of package ‘webrtc-xcframework’
Creating working copy of package ‘livekit-uniffi-xcframework’
Checking out 0.0.5 of package ‘livekit-uniffi-xcframework’
Creating working copy of package ‘client-sdk-swift’
Checking out 2.13.0 of package ‘client-sdk-swift’
Creating working copy of package ‘swift-protobuf’
Checking out 1.36.1 of package ‘swift-protobuf’
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
LiveKitWebRTC: https://github.com/livekit/webrtc-xcframework.git @ 144.7559.3
LiveKitUniFFI: https://github.com/livekit/livekit-uniffi-xcframework.git @ 0.0.5
SwiftProtobuf: https://github.com/apple/swift-protobuf.git @ 1.36.1
LiveKit: https://github.com/livekit/client-sdk-swift.git @ 2.13.0
Ultravox: /Users/admin/builder/spi-builder-workspace
resolved source packages: LiveKitWebRTC, LiveKitUniFFI, SwiftProtobuf, LiveKit, Ultravox
2026-04-16 02:36:44.445 xcodebuild[529:3083] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
"dependencies" : [
{
"identity" : "client-sdk-swift",
"requirement" : {
"range" : [
{
"lower_bound" : "2.0.16",
"upper_bound" : "3.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/livekit/client-sdk-swift.git"
}
],
"manifest_display_name" : "Ultravox",
"name" : "Ultravox",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "13.0"
},
{
"name" : "macos",
"version" : "10.15"
}
],
"products" : [
{
"name" : "Ultravox",
"targets" : [
"Ultravox"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "Ultravox",
"module_type" : "SwiftTarget",
"name" : "Ultravox",
"path" : "Sources/Ultravox",
"product_dependencies" : [
"LiveKit"
],
"product_memberships" : [
"Ultravox"
],
"sources" : [
"Ultravox.swift"
],
"type" : "library"
}
],
"tools_version" : "6.0"
}
{
"workspace" : {
"name" : "spi-builder-workspace",
"schemes" : [
"Ultravox"
]
}
}
2026-04-16 02:36:53.994 xcodebuild[952:5214] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Ultravox -destination generic/platform=xrOS
Command line invocation:
/Applications/Xcode-26.4.0.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 Ultravox -destination generic/platform=xrOS
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
SwiftProtobuf: https://github.com/apple/swift-protobuf.git @ 1.36.1
Ultravox: /Users/admin/builder/spi-builder-workspace
LiveKitWebRTC: https://github.com/livekit/webrtc-xcframework.git @ 144.7559.3
LiveKitUniFFI: https://github.com/livekit/livekit-uniffi-xcframework.git @ 0.0.5
LiveKit: https://github.com/livekit/client-sdk-swift.git @ 2.13.0
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (12 targets)
Target 'Ultravox' in project 'Ultravox'
➜ Explicit dependency on target 'Ultravox' in project 'Ultravox'
➜ Explicit dependency on target 'LiveKit' in project 'LiveKit'
Target 'Ultravox' in project 'Ultravox'
➜ Explicit dependency on target 'LiveKit' in project 'LiveKit'
Target 'LiveKit' in project 'LiveKit'
➜ Explicit dependency on target 'LiveKit' in project 'LiveKit'
➜ Explicit dependency on target 'LiveKit_LiveKit' in project 'LiveKit'
➜ Explicit dependency on target 'LKObjCHelpers' in project 'LiveKit'
➜ Explicit dependency on target 'LiveKitWebRTC' in project 'LiveKitWebRTC'
➜ Explicit dependency on target 'LiveKitUniFFI' in project 'LiveKitUniFFI'
➜ Explicit dependency on target 'SwiftProtobuf' in project 'SwiftProtobuf'
Target 'LiveKit' in project 'LiveKit'
➜ Explicit dependency on target 'LiveKit_LiveKit' in project 'LiveKit'
➜ Explicit dependency on target 'LKObjCHelpers' in project 'LiveKit'
➜ Explicit dependency on target 'LiveKitWebRTC' in project 'LiveKitWebRTC'
➜ Explicit dependency on target 'LiveKitUniFFI' in project 'LiveKitUniFFI'
➜ Explicit dependency on target 'SwiftProtobuf' in project 'SwiftProtobuf'
Target 'SwiftProtobuf' in project 'SwiftProtobuf'
➜ Explicit dependency on target 'SwiftProtobuf' in project 'SwiftProtobuf'
➜ Explicit dependency on target 'SwiftProtobuf_SwiftProtobuf' in project 'SwiftProtobuf'
Target 'SwiftProtobuf' in project 'SwiftProtobuf'
➜ Explicit dependency on target 'SwiftProtobuf_SwiftProtobuf' in project 'SwiftProtobuf'
Target 'SwiftProtobuf_SwiftProtobuf' in project 'SwiftProtobuf' (no dependencies)
Target 'LiveKitUniFFI' in project 'LiveKitUniFFI'
➜ Explicit dependency on target 'LiveKitUniFFI' in project 'LiveKitUniFFI'
Target 'LiveKitUniFFI' in project 'LiveKitUniFFI' (no dependencies)
Target 'LiveKitWebRTC' in project 'LiveKitWebRTC' (no dependencies)
Target 'LKObjCHelpers' in project 'LiveKit' (no dependencies)
Target 'LiveKit_LiveKit' in project 'LiveKit' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS26.4.sdk -x objective-c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
ReadFileContents /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/share/docc/features.json
Build description signature: aa2ffac359a5e6093d037a01a98bc627
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/aa2ffac359a5e6093d037a01a98bc627.xcbuilddata
error: The package product 'LiveKit' requires minimum platform version 26.0 for the visionOS platform, but this target supports 1.0 (in target 'Ultravox' from project 'Ultravox')
2026-04-16 02:36:58.373 xcodebuild[972:5335] [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 Ultravox
(1 failure)
Command line invocation:
/Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolved source packages:
LiveKit: https://github.com/livekit/client-sdk-swift.git @ 2.13.0
LiveKitWebRTC: https://github.com/livekit/webrtc-xcframework.git @ 144.7559.3
LiveKitUniFFI: https://github.com/livekit/livekit-uniffi-xcframework.git @ 0.0.5
SwiftProtobuf: https://github.com/apple/swift-protobuf.git @ 1.36.1
Ultravox: /Users/admin/builder/spi-builder-workspace
resolved source packages: LiveKit, LiveKitWebRTC, LiveKitUniFFI, SwiftProtobuf, Ultravox
2026-04-16 02:37:02.485 xcodebuild[1053:5727] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
"dependencies" : [
{
"identity" : "client-sdk-swift",
"requirement" : {
"range" : [
{
"lower_bound" : "2.0.16",
"upper_bound" : "3.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/livekit/client-sdk-swift.git"
}
],
"manifest_display_name" : "Ultravox",
"name" : "Ultravox",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "13.0"
},
{
"name" : "macos",
"version" : "10.15"
}
],
"products" : [
{
"name" : "Ultravox",
"targets" : [
"Ultravox"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "Ultravox",
"module_type" : "SwiftTarget",
"name" : "Ultravox",
"path" : "Sources/Ultravox",
"product_dependencies" : [
"LiveKit"
],
"product_memberships" : [
"Ultravox"
],
"sources" : [
"Ultravox.swift"
],
"type" : "library"
}
],
"tools_version" : "6.0"
}
{
"workspace" : {
"name" : "spi-builder-workspace",
"schemes" : [
"Ultravox"
]
}
}
2026-04-16 02:37:04.776 xcodebuild[1076:5843] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Ultravox -destination generic/platform=xrOS
Command line invocation:
/Applications/Xcode-26.4.0.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 Ultravox -destination generic/platform=xrOS
Resolve Package Graph
Resolved source packages:
LiveKit: https://github.com/livekit/client-sdk-swift.git @ 2.13.0
Ultravox: /Users/admin/builder/spi-builder-workspace
LiveKitWebRTC: https://github.com/livekit/webrtc-xcframework.git @ 144.7559.3
LiveKitUniFFI: https://github.com/livekit/livekit-uniffi-xcframework.git @ 0.0.5
SwiftProtobuf: https://github.com/apple/swift-protobuf.git @ 1.36.1
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (12 targets)
Target 'Ultravox' in project 'Ultravox'
➜ Explicit dependency on target 'Ultravox' in project 'Ultravox'
➜ Explicit dependency on target 'LiveKit' in project 'LiveKit'
Target 'Ultravox' in project 'Ultravox'
➜ Explicit dependency on target 'LiveKit' in project 'LiveKit'
Target 'LiveKit' in project 'LiveKit'
➜ Explicit dependency on target 'LiveKit' in project 'LiveKit'
➜ Explicit dependency on target 'LiveKit_LiveKit' in project 'LiveKit'
➜ Explicit dependency on target 'LKObjCHelpers' in project 'LiveKit'
➜ Explicit dependency on target 'LiveKitWebRTC' in project 'LiveKitWebRTC'
➜ Explicit dependency on target 'LiveKitUniFFI' in project 'LiveKitUniFFI'
➜ Explicit dependency on target 'SwiftProtobuf' in project 'SwiftProtobuf'
Target 'LiveKit' in project 'LiveKit'
➜ Explicit dependency on target 'LiveKit_LiveKit' in project 'LiveKit'
➜ Explicit dependency on target 'LKObjCHelpers' in project 'LiveKit'
➜ Explicit dependency on target 'LiveKitWebRTC' in project 'LiveKitWebRTC'
➜ Explicit dependency on target 'LiveKitUniFFI' in project 'LiveKitUniFFI'
➜ Explicit dependency on target 'SwiftProtobuf' in project 'SwiftProtobuf'
Target 'SwiftProtobuf' in project 'SwiftProtobuf'
➜ Explicit dependency on target 'SwiftProtobuf' in project 'SwiftProtobuf'
➜ Explicit dependency on target 'SwiftProtobuf_SwiftProtobuf' in project 'SwiftProtobuf'
Target 'SwiftProtobuf' in project 'SwiftProtobuf'
➜ Explicit dependency on target 'SwiftProtobuf_SwiftProtobuf' in project 'SwiftProtobuf'
Target 'SwiftProtobuf_SwiftProtobuf' in project 'SwiftProtobuf' (no dependencies)
Target 'LiveKitUniFFI' in project 'LiveKitUniFFI'
➜ Explicit dependency on target 'LiveKitUniFFI' in project 'LiveKitUniFFI'
Target 'LiveKitUniFFI' in project 'LiveKitUniFFI' (no dependencies)
Target 'LiveKitWebRTC' in project 'LiveKitWebRTC' (no dependencies)
Target 'LKObjCHelpers' in project 'LiveKit' (no dependencies)
Target 'LiveKit_LiveKit' in project 'LiveKit' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS26.4.sdk -x objective-c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
ReadFileContents /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/share/docc/features.json
Build description signature: aa2ffac359a5e6093d037a01a98bc627
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/aa2ffac359a5e6093d037a01a98bc627.xcbuilddata
error: The package product 'LiveKit' requires minimum platform version 26.0 for the visionOS platform, but this target supports 1.0 (in target 'Ultravox' from project 'Ultravox')
2026-04-16 02:37:06.816 xcodebuild[1092:5917] [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 Ultravox
(1 failure)
BUILD FAILURE 6.3 visionOS