Build Information
Failed to build swift-sass with Swift 6.3 for visionOS using Xcode 26.4.
Build Command
Build command unavailableBuild Log
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RunAll
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Builder version: 4.70.0
Interrupt handler set up.
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Checkout
========================================
Clone URL: https://github.com/johnfairh/swift-sass.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/johnfairh/swift-sass
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 361b70b Version 3.3.0
Submodule path 'sass': checked out '6772c45222fe460901958a85dedc9548fb16d3bc'
Submodule 'sass' (https://github.com/sass/sass.git) registered for path 'sass'
Cloning into '/Users/admin/builder/spi-builder-workspace/sass'...
Cloned https://github.com/johnfairh/swift-sass.git
Revision (git rev-parse @):
361b70bbb4f038cc850cb2d5e6ef5aa3495cb6ef
SUCCESS checkout https://github.com/johnfairh/swift-sass.git at main
========================================
Build
========================================
Selected platform: visionOS
Swift version: 6.3
Building package at path: $PWD
https://github.com/johnfairh/swift-sass.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/apple/swift-nio.git
Fetching from https://github.com/apple/swift-system.git
Fetching from https://github.com/johnfairh/Semver.swift.git
Fetching from https://github.com/apple/swift-protobuf.git
Fetching from https://github.com/johnfairh/SourceMapper.git
Fetching from https://github.com/apple/swift-collections.git
Fetching from https://github.com/apple/swift-log.git
Fetching from https://github.com/apple/swift-atomics.git
Creating working copy of package ‘swift-nio’
Creating working copy of package ‘swift-log’
Creating working copy of package ‘swift-system’
Creating working copy of package ‘swift-protobuf’
Creating working copy of package ‘swift-collections’
Creating working copy of package ‘Semver.swift’
Creating working copy of package ‘SourceMapper’
Creating working copy of package ‘swift-atomics’
Checking out 1.3.0 of package ‘swift-atomics’
Checking out 2.0.0 of package ‘SourceMapper’
Checking out 1.9.0 of package ‘swift-log’
Checking out 1.33.3 of package ‘swift-protobuf’
Checking out 1.2.4 of package ‘Semver.swift’
Checking out 1.6.4 of package ‘swift-system’
Checking out 1.3.0 of package ‘swift-collections’
Checking out 2.92.2 of package ‘swift-nio’
Resolved source packages:
swift-atomics: https://github.com/apple/swift-atomics.git @ 1.3.0
Semver: https://github.com/johnfairh/Semver.swift.git @ 1.2.4
swift-system: https://github.com/apple/swift-system.git @ 1.6.4
swift-collections: https://github.com/apple/swift-collections.git @ 1.3.0
SwiftProtobuf: https://github.com/apple/swift-protobuf.git @ 1.33.3
SourceMapper: https://github.com/johnfairh/SourceMapper.git @ 2.0.0
swift-nio: https://github.com/apple/swift-nio.git @ 2.92.2
swift-log: https://github.com/apple/swift-log.git @ 1.9.0
resolved source packages: swift-atomics, Semver, swift-system, swift-collections, SwiftProtobuf, SourceMapper, swift-nio, swift-log
{
"dependencies" : [
{
"identity" : "swift-protobuf",
"requirement" : {
"range" : [
{
"lower_bound" : "1.26.0",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-protobuf.git"
},
{
"identity" : "swift-nio",
"requirement" : {
"range" : [
{
"lower_bound" : "2.81.0",
"upper_bound" : "3.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-nio.git"
},
{
"identity" : "swift-log",
"requirement" : {
"range" : [
{
"lower_bound" : "1.4.0",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-log.git"
},
{
"identity" : "swift-atomics",
"requirement" : {
"range" : [
{
"lower_bound" : "1.0.2",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-atomics.git"
},
{
"identity" : "semver.swift",
"requirement" : {
"range" : [
{
"lower_bound" : "1.2.2",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/johnfairh/Semver.swift.git"
},
{
"identity" : "sourcemapper",
"requirement" : {
"range" : [
{
"lower_bound" : "2.0.0",
"upper_bound" : "3.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/johnfairh/SourceMapper.git"
}
],
"manifest_display_name" : "swift-sass",
"name" : "swift-sass",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "14.0"
}
],
"products" : [
{
"name" : "DartSass",
"targets" : [
"DartSass"
],
"type" : {
"library" : [
"automatic"
]
}
},
{
"name" : "ssassc",
"targets" : [
"SassCli"
],
"type" : {
"executable" : null
}
}
],
"targets" : [
{
"c99name" : "SassTests",
"module_type" : "SwiftTarget",
"name" : "SassTests",
"path" : "Tests/SassTests",
"sources" : [
"TestCalculation.swift",
"TestColor.swift",
"TestCompilerResults.swift",
"TestConstants.swift",
"TestFunction.swift",
"TestList.swift",
"TestMap.swift",
"TestNumber.swift",
"TestString.swift"
],
"target_dependencies" : [
"Sass"
],
"type" : "test"
},
{
"c99name" : "SassCli",
"module_type" : "SwiftTarget",
"name" : "SassCli",
"path" : "Sources/SassCli",
"product_memberships" : [
"ssassc"
],
"sources" : [
"ssassc.swift"
],
"target_dependencies" : [
"DartSass"
],
"type" : "executable"
},
{
"c99name" : "Sass",
"module_type" : "SwiftTarget",
"name" : "Sass",
"path" : "Sources/Sass",
"product_dependencies" : [
"SourceMapper"
],
"product_memberships" : [
"DartSass",
"ssassc"
],
"sources" : [
"ArgumentList.swift",
"Calculation.swift",
"Color.swift",
"CompilerFunction.swift",
"CompilerResults.swift",
"CompilerTypes.swift",
"Constants.swift",
"DynamicFunction.swift",
"FunctionTypes.swift",
"List.swift",
"Map.swift",
"Mixin.swift",
"Number.swift",
"String.swift",
"Units.swift",
"Value.swift",
"ValueConvertible.swift"
],
"type" : "library"
},
{
"c99name" : "DartSassTests",
"module_type" : "SwiftTarget",
"name" : "DartSassTests",
"path" : "Tests/DartSassTests",
"sources" : [
"TestCompilerErrors.swift",
"TestFunctions.swift",
"TestImporters.swift",
"TestInterface.swift",
"TestProtocolErrors.swift",
"TestResetShutdown.swift",
"TestUtils.swift",
"TestVersions.swift"
],
"target_dependencies" : [
"DartSass"
],
"type" : "test"
},
{
"c99name" : "DartSassEmbeddedMacOS",
"module_type" : "SwiftTarget",
"name" : "DartSassEmbeddedMacOS",
"path" : "Sources/DartSassEmbeddedMacOS",
"product_memberships" : [
"DartSass",
"ssassc"
],
"resources" : [
{
"path" : "/Users/admin/builder/spi-builder-workspace/Sources/DartSassEmbeddedMacOS/arm64",
"rule" : {
"copy" : {
}
}
}
],
"sources" : [
"DartSassEmbeddedMacOS.swift"
],
"type" : "library"
},
{
"c99name" : "DartSassEmbeddedLinux",
"module_type" : "SwiftTarget",
"name" : "DartSassEmbeddedLinux",
"path" : "Sources/DartSassEmbeddedLinux",
"product_memberships" : [
"DartSass",
"ssassc"
],
"resources" : [
{
"path" : "/Users/admin/builder/spi-builder-workspace/Sources/DartSassEmbeddedLinux/arm64",
"rule" : {
"copy" : {
}
}
}
],
"sources" : [
"DartSassEmbeddedLinux.swift"
],
"type" : "library"
},
{
"c99name" : "DartSass",
"module_type" : "SwiftTarget",
"name" : "DartSass",
"path" : "Sources/DartSass",
"product_dependencies" : [
"SwiftProtobuf",
"NIOCore",
"NIOPosix",
"NIOFoundationCompat",
"Atomics",
"Logging",
"Semver"
],
"product_memberships" : [
"DartSass",
"ssassc"
],
"sources" : [
"BinaryProtocol.swift",
"Compiler.swift",
"CompilerRequests.swift",
"CompilerWork.swift",
"Concurrency+Extras.swift",
"DartSassEmbedded.swift",
"Deprecation.swift",
"Errors.swift",
"Exec.swift",
"Importers.swift",
"ProtobufConversion.swift",
"ProtobufValueConversion.swift",
"Versions.swift",
"embedded_sass.pb.swift"
],
"target_dependencies" : [
"Sass",
"DartSassEmbeddedMacOS",
"DartSassEmbeddedLinux"
],
"type" : "library"
}
],
"tools_version" : "6.0"
}
{
"project" : {
"configurations" : [
"Debug",
"Release"
],
"name" : "swift-sass",
"schemes" : [
"swift-sass"
],
"targets" : [
"Sass",
"DartSass",
"DartSassTests",
"Cli",
"DartSassEmbeddedMacOS"
]
}
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme swift-sass -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 swift-sass -destination generic/platform=xrOS
Resolve Package Graph
Resolved source packages:
Semver: https://github.com/johnfairh/Semver.swift.git @ 1.2.4
swift-atomics: https://github.com/apple/swift-atomics.git @ 1.3.0
SwiftProtobuf: https://github.com/apple/swift-protobuf.git @ 1.33.3
swift-log: https://github.com/apple/swift-log.git @ 1.9.0
swift-system: https://github.com/apple/swift-system.git @ 1.6.4
swift-collections: https://github.com/apple/swift-collections.git @ 1.3.0
swift-nio: https://github.com/apple/swift-nio.git @ 2.92.2
SourceMapper: https://github.com/johnfairh/SourceMapper.git @ 2.0.0
2026-04-18 01:01:35.791 xcodebuild[919:5244] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-18-04_01-01-0035.xcresult
xcodebuild: error: Unable to find a destination matching the provided destination specifier:
{ generic:1, platform:xrOS }
Available destinations for the "swift-sass" scheme:
{ platform:macOS, arch:arm64, id:c3b52ea104df0f40c758456c26f16b0a86f55190, name:My Mac }
{ platform:macOS, arch:x86_64, id:c3b52ea104df0f40c758456c26f16b0a86f55190, name:My Mac }
{ platform:iOS, id:dvtdevice-DVTiPhonePlaceholder-iphoneos:placeholder, name:Any iOS Device }
{ platform:iOS Simulator, id:dvtdevice-DVTiOSDeviceSimulatorPlaceholder-iphonesimulator:placeholder, name:Any iOS Simulator Device }
{ platform:macOS, name:Any Mac }
{ platform:tvOS, id:dvtdevice-DVTiOSDevicePlaceholder-appletvos:placeholder, name:Any tvOS Device }
{ platform:tvOS Simulator, id:dvtdevice-DVTiOSDeviceSimulatorPlaceholder-appletvsimulator:placeholder, name:Any tvOS Simulator Device }
{ platform:watchOS, id:dvtdevice-DVTiOSDevicePlaceholder-watchos:placeholder, name:Any watchOS Device }
{ platform:watchOS Simulator, id:dvtdevice-DVTiOSDeviceSimulatorPlaceholder-watchsimulator:placeholder, name:Any watchOS Simulator Device }
{ platform:tvOS Simulator, arch:arm64, id:EB41DD69-50EA-4A70-A0F3-B1F466EA63FD, OS:26.4, name:Apple TV }
{ platform:tvOS Simulator, arch:arm64, id:18F5F773-9DDF-4D28-BE08-2EE01B9FE04D, OS:26.4, name:Apple TV 4K (3rd generation) }
{ platform:tvOS Simulator, arch:arm64, id:8753D4DB-0EAD-4642-AE61-CF841A16BD50, OS:26.4, name:Apple TV 4K (3rd generation) (at 1080p) }
{ platform:watchOS Simulator, arch:arm64, id:21136BB6-0BE4-4F7C-B65A-9D5D377866B7, OS:26.4, name:Apple Watch SE 3 (40mm) }
{ platform:watchOS Simulator, arch:arm64, id:5F5B3141-7CE9-4C68-BDEF-F50E137CB489, OS:26.4, name:Apple Watch SE 3 (44mm) }
{ platform:watchOS Simulator, arch:arm64, id:D6424336-ADAE-465D-8F02-54AB28C2A306, OS:26.4, name:Apple Watch Series 11 (42mm) }
{ platform:watchOS Simulator, arch:arm64, id:EA70B146-8CB0-4192-8C25-04DF59477105, OS:26.4, name:Apple Watch Series 11 (46mm) }
{ platform:watchOS Simulator, arch:arm64, id:C12BDEDA-46B1-43B5-A69B-7029487C2761, OS:26.4, name:Apple Watch Ultra 3 (49mm) }
{ platform:iOS Simulator, arch:arm64, id:ED6D44FB-E2CB-4753-A0FD-FD31596FEC80, OS:26.4, name:iPad (A16) }
{ platform:iOS Simulator, arch:arm64, id:BCEC8334-6B95-4648-94D6-7CF60E7EFD82, OS:26.4, name:iPad Air 11-inch (M4) }
{ platform:iOS Simulator, arch:arm64, id:45BB79BC-7646-4F19-8D06-DCBD411E98C0, OS:26.4, name:iPad Air 13-inch (M4) }
{ platform:iOS Simulator, arch:arm64, id:1C3FCF57-F496-44A8-91C7-42D1FBB47B6C, OS:26.4, name:iPad Pro 11-inch (M5) }
{ platform:iOS Simulator, arch:arm64, id:78ECA907-6BCE-4638-957D-C2669C42F4B7, OS:26.4, name:iPad Pro 13-inch (M5) }
{ platform:iOS Simulator, arch:arm64, id:4E377BD7-D244-4C67-AA71-C9334B19DD83, OS:26.4, name:iPad mini (A17 Pro) }
{ platform:iOS Simulator, arch:arm64, id:5E07715F-630C-4684-A995-1B2EE7BD6598, OS:26.4, name:iPhone 17 }
{ platform:iOS Simulator, arch:arm64, id:C413B30A-952C-4663-B1C5-64938D82C4AB, OS:26.4, name:iPhone 17 Pro }
{ platform:iOS Simulator, arch:arm64, id:407D5276-A344-478A-B9C8-EB27CE780CB6, OS:26.4, name:iPhone 17 Pro Max }
{ platform:iOS Simulator, arch:arm64, id:720F5E9E-7490-4565-8AC1-7A6A63551BBC, OS:26.4, name:iPhone 17e }
{ platform:iOS Simulator, arch:arm64, id:51B1D6CF-85BF-4B9E-ACCF-FD3A9AD197FF, OS:26.4, name:iPhone Air }
INFRASTRUCTURE ERROR (status: destinationUnavailable