Build Information
Failed to build SwiftPy, reference v0.30.0 (f02534), with Swift 6.4 for watchOS using Xcode 27.0 on 30 Sep 2026 15:37:42 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme SwiftPy -destination generic/platform=watchOSBuild Log
========================================
RunAll
========================================
Builder version: 5.1.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/felfoldy/SwiftPy.git
Reference: v0.30.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/felfoldy/SwiftPy
* tag v0.30.0 -> FETCH_HEAD
HEAD is now at f025340 Pin cpython to its tag, so SwiftPy can be required by version
Cloned https://github.com/felfoldy/SwiftPy.git
Revision (git rev-parse @):
f0253404f3d211ae2bf7be5abec1e7fad97cc243
SUCCESS checkout https://github.com/felfoldy/SwiftPy.git at v0.30.0
========================================
Build
========================================
Selected platform: watchOS
Swift version: 6.4
Building package at path: $PWD
https://github.com/felfoldy/SwiftPy.git
Command line invocation:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Fetching from https://github.com/libswiftpy/cpython.git
Fetching from https://github.com/swiftlang/swift-syntax.git
Creating working copy of package ‘cpython’
Checking out 3.15.0-swiftpy.1 of package ‘cpython’
Creating working copy of package ‘swift-syntax’
Checking out 601.0.1 of package ‘swift-syntax’
Resolve Package Graph
Resolved source packages:
swift-syntax: https://github.com/swiftlang/swift-syntax.git @ 601.0.1
SwiftPy: /Users/admin/builder/spi-builder-workspace
cpython: https://github.com/libswiftpy/cpython.git @ 3.15.0-swiftpy.1
resolved source packages: swift-syntax, SwiftPy, cpython
2026-09-30 11:36:38.248 xcodebuild[563:3060] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
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2026-09-30 11:37:21.645 xcodebuild[762:4862] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme SwiftPy -destination generic/platform=watchOS
Command line invocation:
/Applications/Xcode-27.0.0-Release.Candidate.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 SwiftPy -destination generic/platform=watchOS
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
swift-syntax: https://github.com/swiftlang/swift-syntax.git @ 601.0.1
SwiftPy: /Users/admin/builder/spi-builder-workspace
cpython: https://github.com/libswiftpy/cpython.git @ 3.15.0-swiftpy.1
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
Compile plug-in “UpdatePocketPy” in package “spi-builder-workspace”
[debug]: Compiling plugin to executable at /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/PluginExecutables/UpdatePocketPy
[debug]: Using compiler /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc
[debug]: Plugin compilation output directory '/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/PluginExecutables'
[debug]: Computed hash of plugin compilation inputs: d7750a8a6669bb07075422ab8d700c795b92f9a64be3f4e86bbcbe6a76266267
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -L /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/SharedFrameworks/SwiftPM.framework/SharedSupport/PluginAPI -lPackagePlugin -Xlinker -rpath -Xlinker /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/SharedFrameworks/SwiftPM.framework/SharedSupport/PluginAPI -target arm64-apple-macos14.0 -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -g -swift-version 6 -package-description-version 6.4.0 -I /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/SharedFrameworks/SwiftPM.framework/SharedSupport/PluginAPI -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -parse-as-library -j10 -Xfrontend -serialize-diagnostics-path -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/PluginExecutables/StageStdlib.dia /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/cpython/Plugins/StageStdlib/plugin.swift -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/PluginExecutables/StageStdlib
[debug]: Compiling plugin to executable at /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/PluginExecutables/StageStdlib
[debug]: Using compiler /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc
[debug]: Plugin compilation output directory '/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/PluginExecutables'
[debug]: Computed hash of plugin compilation inputs: 68c897e969979e2cef6ec146d6b54fcad116997e14e47eaaa146f3a6b515ad8a
Apply build tool plug-in “StageStdlib” to target “stdlib” in package “cpython”
no host python at /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/cpython/cross-build/arm64-apple-darwin/python.exe; run Swift/build.sh first
2026-09-30 11:37:25.913 xcodebuild[766:4923] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
Apply build tool plug-in “StageStdlib” to target “stdlib” in package “cpython”
eyJibHVlcHJpbnRQcm92aWRlcl9wcm92aWRlckZpbGVQYXRoU3RyaW5nIjoiXC9Vc2Vyc1wvYWRtaW5cL2J1aWxkZXJcL3NwaS1idWlsZGVyLXdvcmtzcGFjZSIsInR5cGUiOnsiYmx1ZXByaW50UHJvdmlkZXIiOnt9fX0=
Building workspace SwiftPy with scheme SwiftPy
(3 failures)
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
Resolved source packages:
cpython: https://github.com/libswiftpy/cpython.git @ 3.15.0-swiftpy.1
swift-syntax: https://github.com/swiftlang/swift-syntax.git @ 601.0.1
SwiftPy: /Users/admin/builder/spi-builder-workspace
resolved source packages: cpython, swift-syntax, SwiftPy
2026-09-30 11:37:35.023 xcodebuild[810:5279] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
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"libs/keychain/Keychain.swift",
"libs/keychain/Secret.swift",
"libs/keychain/SecretExpression.swift",
"libs/p2p/Peer.swift",
"libs/pathlib/Path+CPython.swift",
"libs/pathlib/Path.swift",
"libs/pathlib/URL+sitePackages.swift"
],
"target_dependencies" : [
"SwiftPyMacros"
],
"type" : "library"
},
{
"c99name" : "PocketPython",
"module_type" : "SwiftTarget",
"name" : "PocketPython",
"path" : "Sources/PocketPython",
"resources" : [
{
"path" : "/Users/admin/builder/spi-builder-workspace/Sources/PocketPython/Resources/keyword.py",
"rule" : {
"process" : {
}
}
},
{
"path" : "/Users/admin/builder/spi-builder-workspace/Sources/PocketPython/Resources/rlcompleter.py",
"rule" : {
"process" : {
}
}
}
],
"sources" : [
"CompileMode.swift",
"PocketPyModule.swift",
"PocketPython.swift",
"PyAPI+Trace.swift",
"PyAPI+Watchdog.swift",
"PyAPI.swift",
"PyArguments.swift",
"PyBind.swift",
"PyModule.swift",
"PyObject.swift",
"PyTuple.swift",
"PyType+View.swift",
"PyType.swift",
"PythonBindable+Storage.swift",
"PythonBindable.swift",
"PythonConvertible.swift",
"PythonError.swift",
"Resources.swift"
],
"target_dependencies" : [
"pocketpy"
],
"type" : "library"
}
],
"tools_version" : "6.2"
}
{
"workspace" : {
"name" : "SwiftPy",
"schemes" : [
"SwiftPy"
]
}
}
2026-09-30 11:37:37.870 xcodebuild[821:5365] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme SwiftPy -destination generic/platform=watchOS
Command line invocation:
/Applications/Xcode-27.0.0-Release.Candidate.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 SwiftPy -destination generic/platform=watchOS
Resolve Package Graph
Resolved source packages:
SwiftPy: /Users/admin/builder/spi-builder-workspace
cpython: https://github.com/libswiftpy/cpython.git @ 3.15.0-swiftpy.1
swift-syntax: https://github.com/swiftlang/swift-syntax.git @ 601.0.1
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
Compile plug-in “UpdatePocketPy” in package “spi-builder-workspace”
[debug]: Compiling plugin to executable at /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/PluginExecutables/UpdatePocketPy
[debug]: Using compiler /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc
[debug]: Plugin compilation output directory '/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/PluginExecutables'
[debug]: Computed hash of plugin compilation inputs: d7750a8a6669bb07075422ab8d700c795b92f9a64be3f4e86bbcbe6a76266267
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -L /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/SharedFrameworks/SwiftPM.framework/SharedSupport/PluginAPI -lPackagePlugin -Xlinker -rpath -Xlinker /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/SharedFrameworks/SwiftPM.framework/SharedSupport/PluginAPI -target arm64-apple-macos14.0 -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -g -swift-version 6 -package-description-version 6.4.0 -I /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/SharedFrameworks/SwiftPM.framework/SharedSupport/PluginAPI -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -parse-as-library -j10 -Xfrontend -serialize-diagnostics-path -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/PluginExecutables/StageStdlib.dia /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/cpython/Plugins/StageStdlib/plugin.swift -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/PluginExecutables/StageStdlib
[debug]: Compiling plugin to executable at /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/PluginExecutables/StageStdlib
[debug]: Using compiler /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc
[debug]: Plugin compilation output directory '/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/PluginExecutables'
[debug]: Computed hash of plugin compilation inputs: 68c897e969979e2cef6ec146d6b54fcad116997e14e47eaaa146f3a6b515ad8a
Apply build tool plug-in “StageStdlib” to target “stdlib” in package “cpython”
no host python at /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/cpython/cross-build/arm64-apple-darwin/python.exe; run Swift/build.sh first
2026-09-30 11:37:40.498 xcodebuild[825:5410] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
Apply build tool plug-in “StageStdlib” to target “stdlib” in package “cpython”
eyJibHVlcHJpbnRQcm92aWRlcl9wcm92aWRlckZpbGVQYXRoU3RyaW5nIjoiXC9Vc2Vyc1wvYWRtaW5cL2J1aWxkZXJcL3NwaS1idWlsZGVyLXdvcmtzcGFjZSIsInR5cGUiOnsiYmx1ZXByaW50UHJvdmlkZXIiOnt9fX0=
Building workspace SwiftPy with scheme SwiftPy
(3 failures)
BUILD FAILURE 6.4 watchOS