Swift Package IndexBuild Information
Failed to build AppAttest, reference main (f4fc1e), with Swift 6.0 for watchOS using Xcode 16.2 on 5 Jan 2026 11:15:35 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-16.2.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme AppAttest -destination generic/platform=watchOSBuild Log
========================================
RunAll
========================================
Builder version: 4.68.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/iansampson/AppAttest.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/iansampson/AppAttest
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at f4fc1ea Merge pull request #6 from ronaldmannak/main
Cloned https://github.com/iansampson/AppAttest.git
Revision (git rev-parse @):
f4fc1ea12c712d6833905d9c11c73c1601ae4001
SUCCESS checkout https://github.com/iansampson/AppAttest.git at main
========================================
Build
========================================
Selected platform: watchOS
Swift version: 6.0
Building package at path: $PWD
https://github.com/iansampson/AppAttest.git
Command line invocation:
/Applications/Xcode-16.2.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
User defaults from command line:
IDEClonedSourcePackagesDirPathOverride = /Users/admin/builder/spi-builder-workspace/.dependencies
IDEPackageSupportUseBuiltinSCM = YES
Resolve Package Graph
Fetching from https://github.com/iansampson/Anchor
Fetching from https://github.com/apple/swift-crypto
Fetching from https://github.com/myfreeweb/SwiftCBOR
Fetching from https://github.com/apple/swift-asn1.git
Creating working copy of package ‘SwiftCBOR’
Checking out 0.6.0 of package ‘SwiftCBOR’
Creating working copy of package ‘Anchor’
Checking out main (1b1d5a9) of package ‘Anchor’
Creating working copy of package ‘swift-asn1’
Checking out 1.5.1 of package ‘swift-asn1’
Creating working copy of package ‘swift-crypto’
Checking out 3.15.1 of package ‘swift-crypto’
Resolve Package Graph
Resolved source packages:
Anchor: https://github.com/iansampson/Anchor @ main (1b1d5a9)
swift-asn1: https://github.com/apple/swift-asn1.git @ 1.5.1
swift-crypto: https://github.com/apple/swift-crypto @ 3.15.1
AppAttest: /Users/admin/builder/spi-builder-workspace
SwiftCBOR: https://github.com/myfreeweb/SwiftCBOR @ 0.6.0
resolved source packages: Anchor, swift-asn1, swift-crypto, AppAttest, SwiftCBOR
{
"dependencies" : [
{
"identity" : "swiftcbor",
"requirement" : {
"range" : [
{
"lower_bound" : "0.4.6",
"upper_bound" : "1.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/myfreeweb/SwiftCBOR"
},
{
"identity" : "swift-crypto",
"requirement" : {
"range" : [
{
"lower_bound" : "3.1.0",
"upper_bound" : "4.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-crypto"
},
{
"identity" : "anchor",
"requirement" : {
"branch" : [
"main"
]
},
"type" : "sourceControl",
"url" : "https://github.com/iansampson/Anchor"
}
],
"manifest_display_name" : "AppAttest",
"name" : "AppAttest",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "14.0"
},
{
"name" : "macos",
"version" : "10.15"
}
],
"products" : [
{
"name" : "AppAttest",
"targets" : [
"AppAttest"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "AppAttestTests",
"module_type" : "SwiftTarget",
"name" : "AppAttestTests",
"path" : "Tests/AppAttestTests",
"sources" : [
"AppAttestTests.swift",
"AssertionSample.swift",
"AttestationSample.swift",
"TestData.swift",
"XCTestManifests.swift"
],
"target_dependencies" : [
"AppAttest"
],
"type" : "test"
},
{
"c99name" : "AppAttest",
"module_type" : "SwiftTarget",
"name" : "AppAttest",
"path" : "Sources/AppAttest",
"product_dependencies" : [
"SwiftCBOR",
"Crypto",
"Anchor"
],
"product_memberships" : [
"AppAttest"
],
"sources" : [
"API.swift",
"ASN1/ASN1.swift",
"ASN1/Basic ASN1 Types/ASN1BitString.swift",
"ASN1/Basic ASN1 Types/ASN1Identifier.swift",
"ASN1/Basic ASN1 Types/ASN1Integer.swift",
"ASN1/Basic ASN1 Types/ASN1OctetString.swift",
"ASN1/Basic ASN1 Types/ArraySliceBigint.swift",
"ASN1/Basic ASN1 Types/ObjectIdentifier.swift",
"ASN1/CryptoKitErrors.swift",
"ASN1/SubjectPublicKeyInfo.swift",
"Assertion/Assertion.swift",
"Attestation/Attestation.swift",
"Attestation/AuthenticatorData.swift",
"Attestation/Challenge.swift",
"Attestation/Flatten.swift",
"Attestation/Octet.swift",
"Attestation/RootCertificate.swift",
"Attestation/Validation.swift"
],
"type" : "library"
}
],
"tools_version" : "5.5"
}
{
"workspace" : {
"name" : "spi-builder-workspace",
"schemes" : [
"AppAttest"
]
}
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.2.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme AppAttest -destination generic/platform=watchOS
Command line invocation:
/Applications/Xcode-16.2.0.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 AppAttest -destination generic/platform=watchOS
User defaults from command line:
IDEClonedSourcePackagesDirPathOverride = /Users/admin/builder/spi-builder-workspace/.dependencies
IDEDerivedDataPathOverride = /Users/admin/builder/spi-builder-workspace/.derivedData
IDEPackageSupportUseBuiltinSCM = YES
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
SwiftCBOR: https://github.com/myfreeweb/SwiftCBOR @ 0.6.0
Anchor: https://github.com/iansampson/Anchor @ main (1b1d5a9)
swift-asn1: https://github.com/apple/swift-asn1.git @ 1.5.1
AppAttest: /Users/admin/builder/spi-builder-workspace
swift-crypto: https://github.com/apple/swift-crypto @ 3.15.1
Prepare packages
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (10 targets)
Target 'AppAttest' in project 'AppAttest'
➜ Explicit dependency on target 'AppAttest' in project 'AppAttest'
➜ Explicit dependency on target 'SwiftCBOR' in project 'SwiftCBOR'
➜ Explicit dependency on target 'Crypto' in project 'swift-crypto'
➜ Explicit dependency on target 'Anchor' in project 'Anchor'
Target 'AppAttest' in project 'AppAttest'
➜ Explicit dependency on target 'SwiftCBOR' in project 'SwiftCBOR'
➜ Explicit dependency on target 'Crypto' in project 'swift-crypto'
➜ Explicit dependency on target 'Anchor' in project 'Anchor'
Target 'Anchor' in project 'Anchor'
➜ Explicit dependency on target 'Anchor' in project 'Anchor'
➜ Explicit dependency on target 'CAnchorBoringSSL' in project 'Anchor'
Target 'Anchor' in project 'Anchor'
➜ Explicit dependency on target 'CAnchorBoringSSL' in project 'Anchor'
Target 'CAnchorBoringSSL' in project 'Anchor' (no dependencies)
Target 'Crypto' in project 'swift-crypto'
➜ Explicit dependency on target 'Crypto' in project 'swift-crypto'
➜ Explicit dependency on target 'swift-crypto_Crypto' in project 'swift-crypto'
Target 'Crypto' in project 'swift-crypto'
➜ Explicit dependency on target 'swift-crypto_Crypto' in project 'swift-crypto'
Target 'swift-crypto_Crypto' in project 'swift-crypto' (no dependencies)
Target 'SwiftCBOR' in project 'SwiftCBOR'
➜ Explicit dependency on target 'SwiftCBOR' in project 'SwiftCBOR'
Target 'SwiftCBOR' in project 'SwiftCBOR' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-16.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-16.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-16.2.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.2.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-16.2.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.2.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
ReadFileContents /Applications/Xcode-16.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/share/docc/features.json
ExecuteExternalTool /Applications/Xcode-16.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-16.2.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.2.sdk -x assembler-with-cpp -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch armv7k -isysroot /Applications/Xcode-16.2.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.2.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch armv7k -isysroot /Applications/Xcode-16.2.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.2.sdk -x assembler-with-cpp -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64_32 -isysroot /Applications/Xcode-16.2.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.2.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64_32 -isysroot /Applications/Xcode-16.2.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.2.sdk -x assembler-with-cpp -c /dev/null
Build description signature: 438e94636f2047c0ea97dc79a6c0e600
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/438e94636f2047c0ea97dc79a6c0e600.xcbuilddata
error: The package product 'SwiftCBOR' requires minimum platform version 8.0 for the watchOS platform, but this target supports 7.0 (in target 'AppAttest' from project 'AppAttest')
** BUILD FAILED **
The following build commands failed:
Building workspace spi-builder-workspace with scheme AppAttest
(1 failure)
Command line invocation:
/Applications/Xcode-16.2.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
User defaults from command line:
IDEClonedSourcePackagesDirPathOverride = /Users/admin/builder/spi-builder-workspace/.dependencies
IDEPackageSupportUseBuiltinSCM = YES
Resolve Package Graph
Resolved source packages:
swift-crypto: https://github.com/apple/swift-crypto @ 3.15.1
Anchor: https://github.com/iansampson/Anchor @ main (1b1d5a9)
swift-asn1: https://github.com/apple/swift-asn1.git @ 1.5.1
AppAttest: /Users/admin/builder/spi-builder-workspace
SwiftCBOR: https://github.com/myfreeweb/SwiftCBOR @ 0.6.0
resolved source packages: swift-crypto, Anchor, swift-asn1, AppAttest, SwiftCBOR
{
"dependencies" : [
{
"identity" : "swiftcbor",
"requirement" : {
"range" : [
{
"lower_bound" : "0.4.6",
"upper_bound" : "1.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/myfreeweb/SwiftCBOR"
},
{
"identity" : "swift-crypto",
"requirement" : {
"range" : [
{
"lower_bound" : "3.1.0",
"upper_bound" : "4.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-crypto"
},
{
"identity" : "anchor",
"requirement" : {
"branch" : [
"main"
]
},
"type" : "sourceControl",
"url" : "https://github.com/iansampson/Anchor"
}
],
"manifest_display_name" : "AppAttest",
"name" : "AppAttest",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "14.0"
},
{
"name" : "macos",
"version" : "10.15"
}
],
"products" : [
{
"name" : "AppAttest",
"targets" : [
"AppAttest"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "AppAttestTests",
"module_type" : "SwiftTarget",
"name" : "AppAttestTests",
"path" : "Tests/AppAttestTests",
"sources" : [
"AppAttestTests.swift",
"AssertionSample.swift",
"AttestationSample.swift",
"TestData.swift",
"XCTestManifests.swift"
],
"target_dependencies" : [
"AppAttest"
],
"type" : "test"
},
{
"c99name" : "AppAttest",
"module_type" : "SwiftTarget",
"name" : "AppAttest",
"path" : "Sources/AppAttest",
"product_dependencies" : [
"SwiftCBOR",
"Crypto",
"Anchor"
],
"product_memberships" : [
"AppAttest"
],
"sources" : [
"API.swift",
"ASN1/ASN1.swift",
"ASN1/Basic ASN1 Types/ASN1BitString.swift",
"ASN1/Basic ASN1 Types/ASN1Identifier.swift",
"ASN1/Basic ASN1 Types/ASN1Integer.swift",
"ASN1/Basic ASN1 Types/ASN1OctetString.swift",
"ASN1/Basic ASN1 Types/ArraySliceBigint.swift",
"ASN1/Basic ASN1 Types/ObjectIdentifier.swift",
"ASN1/CryptoKitErrors.swift",
"ASN1/SubjectPublicKeyInfo.swift",
"Assertion/Assertion.swift",
"Attestation/Attestation.swift",
"Attestation/AuthenticatorData.swift",
"Attestation/Challenge.swift",
"Attestation/Flatten.swift",
"Attestation/Octet.swift",
"Attestation/RootCertificate.swift",
"Attestation/Validation.swift"
],
"type" : "library"
}
],
"tools_version" : "5.5"
}
{
"workspace" : {
"name" : "spi-builder-workspace",
"schemes" : [
"AppAttest"
]
}
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.2.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme AppAttest -destination generic/platform=watchOS
Command line invocation:
/Applications/Xcode-16.2.0.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 AppAttest -destination generic/platform=watchOS
User defaults from command line:
IDEClonedSourcePackagesDirPathOverride = /Users/admin/builder/spi-builder-workspace/.dependencies
IDEDerivedDataPathOverride = /Users/admin/builder/spi-builder-workspace/.derivedData
IDEPackageSupportUseBuiltinSCM = YES
Resolve Package Graph
Resolved source packages:
Anchor: https://github.com/iansampson/Anchor @ main (1b1d5a9)
AppAttest: /Users/admin/builder/spi-builder-workspace
swift-crypto: https://github.com/apple/swift-crypto @ 3.15.1
swift-asn1: https://github.com/apple/swift-asn1.git @ 1.5.1
SwiftCBOR: https://github.com/myfreeweb/SwiftCBOR @ 0.6.0
Prepare packages
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (10 targets)
Target 'AppAttest' in project 'AppAttest'
➜ Explicit dependency on target 'AppAttest' in project 'AppAttest'
➜ Explicit dependency on target 'SwiftCBOR' in project 'SwiftCBOR'
➜ Explicit dependency on target 'Crypto' in project 'swift-crypto'
➜ Explicit dependency on target 'Anchor' in project 'Anchor'
Target 'AppAttest' in project 'AppAttest'
➜ Explicit dependency on target 'SwiftCBOR' in project 'SwiftCBOR'
➜ Explicit dependency on target 'Crypto' in project 'swift-crypto'
➜ Explicit dependency on target 'Anchor' in project 'Anchor'
Target 'Anchor' in project 'Anchor'
➜ Explicit dependency on target 'Anchor' in project 'Anchor'
➜ Explicit dependency on target 'CAnchorBoringSSL' in project 'Anchor'
Target 'Anchor' in project 'Anchor'
➜ Explicit dependency on target 'CAnchorBoringSSL' in project 'Anchor'
Target 'CAnchorBoringSSL' in project 'Anchor' (no dependencies)
Target 'Crypto' in project 'swift-crypto'
➜ Explicit dependency on target 'Crypto' in project 'swift-crypto'
➜ Explicit dependency on target 'swift-crypto_Crypto' in project 'swift-crypto'
Target 'Crypto' in project 'swift-crypto'
➜ Explicit dependency on target 'swift-crypto_Crypto' in project 'swift-crypto'
Target 'swift-crypto_Crypto' in project 'swift-crypto' (no dependencies)
Target 'SwiftCBOR' in project 'SwiftCBOR'
➜ Explicit dependency on target 'SwiftCBOR' in project 'SwiftCBOR'
Target 'SwiftCBOR' in project 'SwiftCBOR' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-16.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-16.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-16.2.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.2.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-16.2.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.2.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
ReadFileContents /Applications/Xcode-16.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/share/docc/features.json
ExecuteExternalTool /Applications/Xcode-16.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-16.2.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.2.sdk -x assembler-with-cpp -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch armv7k -isysroot /Applications/Xcode-16.2.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.2.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch armv7k -isysroot /Applications/Xcode-16.2.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.2.sdk -x assembler-with-cpp -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64_32 -isysroot /Applications/Xcode-16.2.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.2.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64_32 -isysroot /Applications/Xcode-16.2.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.2.sdk -x assembler-with-cpp -c /dev/null
Build description signature: 438e94636f2047c0ea97dc79a6c0e600
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/438e94636f2047c0ea97dc79a6c0e600.xcbuilddata
error: The package product 'SwiftCBOR' requires minimum platform version 8.0 for the watchOS platform, but this target supports 7.0 (in target 'AppAttest' from project 'AppAttest')
** BUILD FAILED **
The following build commands failed:
Building workspace spi-builder-workspace with scheme AppAttest
(1 failure)
BUILD FAILURE 6.0 watchOS