Swift Package IndexBuild Information
Failed to build PythonKit, reference 0.0.1 (977002), with Swift 6.3 for macOS (SPM) on 14 Apr 2026 04:47:50 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64Build Log
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RunAll
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Builder version: 4.70.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/kongzii/PythonKit.git
Reference: 0.0.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/kongzii/PythonKit
* tag 0.0.1 -> FETCH_HEAD
HEAD is now at 977002d Versioned LoggerKit
Cloned https://github.com/kongzii/PythonKit.git
Revision (git rev-parse @):
977002d1f5cad96c84360d0ad4496ec614c58975
SUCCESS checkout https://github.com/kongzii/PythonKit.git at 0.0.1
Fetching https://github.com/kongzii/LoggerKit.git
Fetching https://github.com/apple/swift-argument-parser
[1/369] Fetching loggerkit
[370/17892] Fetching loggerkit, swift-argument-parser
Fetched https://github.com/kongzii/LoggerKit.git from cache (1.60s)
Fetched https://github.com/apple/swift-argument-parser from cache (1.60s)
Computing version for https://github.com/kongzii/LoggerKit.git
Computed https://github.com/kongzii/LoggerKit.git at 0.0.0 (2.29s)
Fetching https://github.com/onevcat/Rainbow
[1/1442] Fetching rainbow
Fetched https://github.com/onevcat/Rainbow from cache (0.86s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 0.0.6 (1.55s)
Computing version for https://github.com/onevcat/Rainbow
Computed https://github.com/onevcat/Rainbow at 3.2.0 (2.66s)
Creating working copy for https://github.com/apple/swift-argument-parser
Working copy of https://github.com/apple/swift-argument-parser resolved at 0.0.6
Creating working copy for https://github.com/kongzii/LoggerKit.git
Working copy of https://github.com/kongzii/LoggerKit.git resolved at 0.0.0
Creating working copy for https://github.com/onevcat/Rainbow
Working copy of https://github.com/onevcat/Rainbow resolved at 3.2.0
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ResolveProductDependencies
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Resolving dependencies ...
{
"identity": ".resolve-product-dependencies",
"name": "resolve-dependencies",
"url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
"traits": [
"default"
],
"dependencies": [
{
"identity": "pythonkit",
"name": "PythonKit",
"url": "https://github.com/kongzii/PythonKit.git",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/PythonKit",
"traits": [
"default"
],
"dependencies": [
{
"identity": "loggerkit",
"name": "LoggerKit",
"url": "https://github.com/kongzii/LoggerKit.git",
"version": "0.0.0",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/LoggerKit",
"traits": [
"default"
],
"dependencies": [
{
"identity": "rainbow",
"name": "Rainbow",
"url": "https://github.com/onevcat/Rainbow",
"version": "3.2.0",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Rainbow",
"traits": [
"default"
],
"dependencies": [
]
}
]
},
{
"identity": "swift-argument-parser",
"name": "swift-argument-parser",
"url": "https://github.com/apple/swift-argument-parser",
"version": "0.0.6",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-argument-parser",
"traits": [
"default"
],
"dependencies": [
]
}
]
}
]
}
Fetching https://github.com/kongzii/PythonKit.git
[1/867] Fetching pythonkit
Fetched https://github.com/kongzii/PythonKit.git from cache (0.78s)
Fetching https://github.com/kongzii/LoggerKit.git from cache
Fetching https://github.com/apple/swift-argument-parser from cache
Fetched https://github.com/apple/swift-argument-parser from cache (0.53s)
Fetched https://github.com/kongzii/LoggerKit.git from cache (0.53s)
Computing version for https://github.com/kongzii/LoggerKit.git
Computed https://github.com/kongzii/LoggerKit.git at 0.0.0 (0.60s)
Fetching https://github.com/onevcat/Rainbow from cache
Fetched https://github.com/onevcat/Rainbow from cache (0.43s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 0.0.6 (0.49s)
Computing version for https://github.com/onevcat/Rainbow
Computed https://github.com/onevcat/Rainbow at 3.2.0 (0.03s)
Creating working copy for https://github.com/kongzii/PythonKit.git
Working copy of https://github.com/kongzii/PythonKit.git resolved at 0.0.1 (977002d)
Creating working copy for https://github.com/onevcat/Rainbow
Working copy of https://github.com/onevcat/Rainbow resolved at 3.2.0
Creating working copy for https://github.com/apple/swift-argument-parser
Working copy of https://github.com/apple/swift-argument-parser resolved at 0.0.6
Creating working copy for https://github.com/kongzii/LoggerKit.git
Working copy of https://github.com/kongzii/LoggerKit.git resolved at 0.0.0
Found 2 product dependencies
- LoggerKit
- swift-argument-parser
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Build
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Selected platform: macosSpm
Swift version: 6.3
Building package at path: $PWD
https://github.com/kongzii/PythonKit.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
Building for debugging...
[0/10] Write sources
[2/10] Write PythonTool-entitlement.plist
[3/10] Write sources
[6/10] Write swift-version--6988338F2F200930.txt
[8/54] Compiling PythonKit Python.swift
/Users/admin/builder/spi-builder-workspace/PythonKit/Python.swift:40:17: error: type referenced from a stored property in a '@frozen' struct must be '@usableFromInline' or public
26 | /// Typealias used when passing or returning a `PyObject` pointer with
27 | /// implied ownership.
28 | typealias OwnedPyObjectPointer = PyObjectPointer
| `- note: type declared here
29 |
30 | /// A primitive reference to a Python C API `PyObject`.
:
38 | @usableFromInline @_fixed_layout
39 | final class PyReference {
40 | private var pointer: OwnedPyObjectPointer
| `- error: type referenced from a stored property in a '@frozen' struct must be '@usableFromInline' or public
41 |
42 | // This `PyReference`, once deleted, will make no delta change to the
[9/54] Compiling PythonKit PythonLibrary+Symbols.swift
[10/54] Compiling PythonKit NumpyConversion.swift
/Users/admin/builder/spi-builder-workspace/PythonKit/NumpyConversion.swift:140:34: warning: 'assign(from:count:)' is deprecated: renamed to 'update(from:count:)' [#DeprecatedDeclaration]
138 | dummyPointer.deallocate()
139 | withUnsafeMutableBufferPointer { buffPtr in
140 | buffPtr.baseAddress!.assign(from: ptr, count: scalarCount)
| |- warning: 'assign(from:count:)' is deprecated: renamed to 'update(from:count:)' [#DeprecatedDeclaration]
| `- note: use 'update(from:count:)' instead
141 | }
142 | }
[#DeprecatedDeclaration]: <https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration>
error: emit-module command failed with exit code 1 (use -v to see invocation)
[11/54] Emitting module PythonKit
/Users/admin/builder/spi-builder-workspace/PythonKit/Python.swift:40:17: error: type referenced from a stored property in a '@frozen' struct must be '@usableFromInline' or public
26 | /// Typealias used when passing or returning a `PyObject` pointer with
27 | /// implied ownership.
28 | typealias OwnedPyObjectPointer = PyObjectPointer
| `- note: type declared here
29 |
30 | /// A primitive reference to a Python C API `PyObject`.
:
38 | @usableFromInline @_fixed_layout
39 | final class PyReference {
40 | private var pointer: OwnedPyObjectPointer
| `- error: type referenced from a stored property in a '@frozen' struct must be '@usableFromInline' or public
41 |
42 | // This `PyReference`, once deleted, will make no delta change to the
[12/54] Compiling PythonKit PythonLibrary.swift
BUILD FAILURE 6.3 macosSpm