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Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Successful build of PythonKit, reference master (6fee76), with Swift 6.1 for Linux on 29 Apr 2025 08:29:32 UTC.

Swift 6 data race errors: 15

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/pvieito/PythonKit.git
Reference: master
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: 	git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: 	git branch -m <name>
From https://github.com/pvieito/PythonKit
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 6fee761 Fix warnings.
Cloned https://github.com/pvieito/PythonKit.git
Revision (git rev-parse @):
6fee7617cfa910fbac7035276e295ba967adbbb4
SUCCESS checkout https://github.com/pvieito/PythonKit.git at master
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/pvieito/PythonKit.git
https://github.com/pvieito/PythonKit.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
  ],
  "manifest_display_name" : "PythonKit",
  "name" : "PythonKit",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "PythonKit",
      "targets" : [
        "PythonKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "PythonKitTests",
      "module_type" : "SwiftTarget",
      "name" : "PythonKitTests",
      "path" : "Tests/PythonKitTests",
      "sources" : [
        "NumpyConversionTests.swift",
        "PythonFunctionTests.swift",
        "PythonRuntimeTests.swift"
      ],
      "target_dependencies" : [
        "PythonKit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "PythonKit",
      "module_type" : "SwiftTarget",
      "name" : "PythonKit",
      "path" : "PythonKit",
      "product_memberships" : [
        "PythonKit"
      ],
      "sources" : [
        "NumpyConversion.swift",
        "Python.swift",
        "PythonLibrary+Symbols.swift",
        "PythonLibrary.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.1"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures 2>&1
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/7] Emitting module PythonKit
/host/spi-builder-workspace/PythonKit/Python.swift:663:12: warning: let 'Python' is not concurrency-safe because non-'Sendable' type 'PythonInterface' may have shared mutable state; this is an error in the Swift 6 language mode
 661 | ///     print(Python.type(list) == Python.list) // Prints true.
 662 | @_fixed_layout
 663 | public let Python = PythonInterface()
     |            |- warning: let 'Python' is not concurrency-safe because non-'Sendable' type 'PythonInterface' may have shared mutable state; this is an error in the Swift 6 language mode
     |            |- note: add '@MainActor' to make let 'Python' part of global actor 'MainActor'
     |            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 664 |
 665 | /// An interface for Python.
     :
 671 | ///   called `Python`.
 672 | @dynamicMemberLookup
 673 | public struct PythonInterface {
     |               `- note: consider making struct 'PythonInterface' conform to the 'Sendable' protocol
 674 |     /// A dictionary of the Python builtins.
 675 |     public let builtins: PythonObject
/host/spi-builder-workspace/PythonKit/Python.swift:1733:16: warning: static property 'sharedMethodDefinition' is not concurrency-safe because non-'Sendable' type 'UnsafeMutablePointer<PyMethodDef>' may have shared mutable state; this is an error in the Swift 6 language mode
1731 |
1732 | fileprivate extension PythonFunction {
1733 |     static let sharedMethodDefinition: UnsafeMutablePointer<PyMethodDef> = {
     |                |- warning: static property 'sharedMethodDefinition' is not concurrency-safe because non-'Sendable' type 'UnsafeMutablePointer<PyMethodDef>' may have shared mutable state; this is an error in the Swift 6 language mode
     |                |- note: add '@MainActor' to make static property 'sharedMethodDefinition' part of global actor 'MainActor'
     |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
1734 |         let name: StaticString = "pythonkit_swift_function"
1735 |         // `utf8Start` is a property of StaticString, thus, it has a stable pointer.
Swift.UnsafeMutablePointer:1:23: note: generic struct 'UnsafeMutablePointer' does not conform to the 'Sendable' protocol
1 | @frozen public struct UnsafeMutablePointer<Pointee> : Copyable where Pointee : ~Copyable {
  |                       `- note: generic struct 'UnsafeMutablePointer' does not conform to the 'Sendable' protocol
2 |     public let _rawValue: Builtin.RawPointer
3 |     public init(_ _rawValue: Builtin.RawPointer)
/host/spi-builder-workspace/PythonKit/Python.swift:1755:16: warning: static property 'sharedMethodWithKeywordsDefinition' is not concurrency-safe because non-'Sendable' type 'UnsafeMutablePointer<PyMethodDef>' may have shared mutable state; this is an error in the Swift 6 language mode
1753 |     }()
1754 |
1755 |     static let sharedMethodWithKeywordsDefinition: UnsafeMutablePointer<PyMethodDef> = {
     |                |- warning: static property 'sharedMethodWithKeywordsDefinition' is not concurrency-safe because non-'Sendable' type 'UnsafeMutablePointer<PyMethodDef>' may have shared mutable state; this is an error in the Swift 6 language mode
     |                |- note: add '@MainActor' to make static property 'sharedMethodWithKeywordsDefinition' part of global actor 'MainActor'
     |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
1756 |         let name: StaticString = "pythonkit_swift_function_with_keywords"
1757 |         // `utf8Start` is a property of StaticString, thus, it has a stable pointer.
Swift.UnsafeMutablePointer:1:23: note: generic struct 'UnsafeMutablePointer' does not conform to the 'Sendable' protocol
1 | @frozen public struct UnsafeMutablePointer<Pointee> : Copyable where Pointee : ~Copyable {
  |                       `- note: generic struct 'UnsafeMutablePointer' does not conform to the 'Sendable' protocol
2 |     public let _rawValue: Builtin.RawPointer
3 |     public init(_ _rawValue: Builtin.RawPointer)
/host/spi-builder-workspace/PythonKit/Python.swift:92:21: warning: stored property 'reference' of 'Sendable'-conforming struct 'PythonObject' has non-sendable type 'PyReference'; this is an error in the Swift 6 language mode
  38 | //   implement move semantics.
  39 | @usableFromInline @_fixed_layout
  40 | final class PyReference {
     |             `- note: class 'PyReference' does not conform to the 'Sendable' protocol
  41 |     private var pointer: OwnedPyObjectPointer
  42 |
     :
  90 | public struct PythonObject {
  91 |     /// The underlying `PyReference`.
  92 |     fileprivate var reference: PyReference
     |                     `- warning: stored property 'reference' of 'Sendable'-conforming struct 'PythonObject' has non-sendable type 'PyReference'; this is an error in the Swift 6 language mode
  93 |
  94 |     @usableFromInline
/host/spi-builder-workspace/PythonKit/PythonLibrary+Symbols.swift:228:5: warning: let '_Py_ZeroStruct' is not concurrency-safe because non-'Sendable' type 'PyObjectPointer' (aka 'UnsafeMutableRawPointer') may have shared mutable state; this is an error in the Swift 6 language mode
226 |         legacyName: "PyString_AsStringAndSize")
227 |
228 | let _Py_ZeroStruct: PyObjectPointer =
    |     |- warning: let '_Py_ZeroStruct' is not concurrency-safe because non-'Sendable' type 'PyObjectPointer' (aka 'UnsafeMutableRawPointer') may have shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: add '@MainActor' to make let '_Py_ZeroStruct' part of global actor 'MainActor'
    |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
229 |     PythonLibrary.loadSymbol(name: "_Py_ZeroStruct")
230 |
Swift.UnsafeMutableRawPointer:1:23: note: struct 'UnsafeMutableRawPointer' does not conform to the 'Sendable' protocol
1 | @frozen public struct UnsafeMutableRawPointer : _Pointer {
  |                       `- note: struct 'UnsafeMutableRawPointer' does not conform to the 'Sendable' protocol
2 |     public typealias Pointee = UInt8
3 |     public let _rawValue: Builtin.RawPointer
/host/spi-builder-workspace/PythonKit/PythonLibrary+Symbols.swift:231:5: warning: let '_Py_TrueStruct' is not concurrency-safe because non-'Sendable' type 'PyObjectPointer' (aka 'UnsafeMutableRawPointer') may have shared mutable state; this is an error in the Swift 6 language mode
229 |     PythonLibrary.loadSymbol(name: "_Py_ZeroStruct")
230 |
231 | let _Py_TrueStruct: PyObjectPointer =
    |     |- warning: let '_Py_TrueStruct' is not concurrency-safe because non-'Sendable' type 'PyObjectPointer' (aka 'UnsafeMutableRawPointer') may have shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: add '@MainActor' to make let '_Py_TrueStruct' part of global actor 'MainActor'
    |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
232 |     PythonLibrary.loadSymbol(name: "_Py_TrueStruct")
233 |
Swift.UnsafeMutableRawPointer:1:23: note: struct 'UnsafeMutableRawPointer' does not conform to the 'Sendable' protocol
1 | @frozen public struct UnsafeMutableRawPointer : _Pointer {
  |                       `- note: struct 'UnsafeMutableRawPointer' does not conform to the 'Sendable' protocol
2 |     public typealias Pointee = UInt8
3 |     public let _rawValue: Builtin.RawPointer
/host/spi-builder-workspace/PythonKit/PythonLibrary+Symbols.swift:234:5: warning: let 'PyBool_Type' is not concurrency-safe because non-'Sendable' type 'PyObjectPointer' (aka 'UnsafeMutableRawPointer') may have shared mutable state; this is an error in the Swift 6 language mode
232 |     PythonLibrary.loadSymbol(name: "_Py_TrueStruct")
233 |
234 | let PyBool_Type: PyObjectPointer =
    |     |- warning: let 'PyBool_Type' is not concurrency-safe because non-'Sendable' type 'PyObjectPointer' (aka 'UnsafeMutableRawPointer') may have shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: add '@MainActor' to make let 'PyBool_Type' part of global actor 'MainActor'
    |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
235 |     PythonLibrary.loadSymbol(name: "PyBool_Type")
236 |
Swift.UnsafeMutableRawPointer:1:23: note: struct 'UnsafeMutableRawPointer' does not conform to the 'Sendable' protocol
1 | @frozen public struct UnsafeMutableRawPointer : _Pointer {
  |                       `- note: struct 'UnsafeMutableRawPointer' does not conform to the 'Sendable' protocol
2 |     public typealias Pointee = UInt8
3 |     public let _rawValue: Builtin.RawPointer
/host/spi-builder-workspace/PythonKit/PythonLibrary+Symbols.swift:237:5: warning: let 'PySlice_Type' is not concurrency-safe because non-'Sendable' type 'PyObjectPointer' (aka 'UnsafeMutableRawPointer') may have shared mutable state; this is an error in the Swift 6 language mode
235 |     PythonLibrary.loadSymbol(name: "PyBool_Type")
236 |
237 | let PySlice_Type: PyObjectPointer =
    |     |- warning: let 'PySlice_Type' is not concurrency-safe because non-'Sendable' type 'PyObjectPointer' (aka 'UnsafeMutableRawPointer') may have shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: add '@MainActor' to make let 'PySlice_Type' part of global actor 'MainActor'
    |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
238 |     PythonLibrary.loadSymbol(name: "PySlice_Type")
239 |
Swift.UnsafeMutableRawPointer:1:23: note: struct 'UnsafeMutableRawPointer' does not conform to the 'Sendable' protocol
1 | @frozen public struct UnsafeMutableRawPointer : _Pointer {
  |                       `- note: struct 'UnsafeMutableRawPointer' does not conform to the 'Sendable' protocol
2 |     public typealias Pointee = UInt8
3 |     public let _rawValue: Builtin.RawPointer
/host/spi-builder-workspace/PythonKit/PythonLibrary.swift:53:24: warning: static property 'defaultLibraryHandle' is not concurrency-safe because non-'Sendable' type 'UnsafeMutableRawPointer?' may have shared mutable state; this is an error in the Swift 6 language mode
 51 |     private static let defaultLibraryHandle = UnsafeMutableRawPointer(bitPattern: -2)  // RTLD_DEFAULT
 52 | #else
 53 |     private static let defaultLibraryHandle: UnsafeMutableRawPointer? = nil  // RTLD_DEFAULT
    |                        |- warning: static property 'defaultLibraryHandle' is not concurrency-safe because non-'Sendable' type 'UnsafeMutableRawPointer?' may have shared mutable state; this is an error in the Swift 6 language mode
    |                        |- note: add '@MainActor' to make static property 'defaultLibraryHandle' part of global actor 'MainActor'
    |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 54 | #endif
 55 |
Swift.Optional:1:21: note: generic enum 'Optional' does not conform to the 'Sendable' protocol
1 | @frozen public enum Optional<Wrapped> : ~Copyable where Wrapped : ~Copyable {
  |                     `- note: generic enum 'Optional' does not conform to the 'Sendable' protocol
2 |     case none
3 |     case some(Wrapped)
/host/spi-builder-workspace/PythonKit/PythonLibrary.swift:56:24: warning: static property 'isPythonLibraryLoaded' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 54 | #endif
 55 |
 56 |     private static var isPythonLibraryLoaded = false
    |                        |- warning: static property 'isPythonLibraryLoaded' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                        |- note: convert 'isPythonLibraryLoaded' to a 'let' constant to make 'Sendable' shared state immutable
    |                        |- note: add '@MainActor' to make static property 'isPythonLibraryLoaded' part of global actor 'MainActor'
    |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 57 |     private static var _pythonLibraryHandle: UnsafeMutableRawPointer?
 58 |     private static var pythonLibraryHandle: UnsafeMutableRawPointer? {
/host/spi-builder-workspace/PythonKit/PythonLibrary.swift:57:24: warning: static property '_pythonLibraryHandle' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 55 |
 56 |     private static var isPythonLibraryLoaded = false
 57 |     private static var _pythonLibraryHandle: UnsafeMutableRawPointer?
    |                        |- warning: static property '_pythonLibraryHandle' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                        |- note: convert '_pythonLibraryHandle' to a 'let' constant to make 'Sendable' shared state immutable
    |                        |- note: add '@MainActor' to make static property '_pythonLibraryHandle' part of global actor 'MainActor'
    |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 58 |     private static var pythonLibraryHandle: UnsafeMutableRawPointer? {
 59 |         try! PythonLibrary.loadLibrary()
/host/spi-builder-workspace/PythonKit/PythonLibrary.swift:107:24: warning: static property 'libraryNames' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
105 |     private static var libraryVersionSeparator = "."
106 | #elseif os(Linux)
107 |     private static var libraryNames = ["libpython:", "libpython:m"]
    |                        |- warning: static property 'libraryNames' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                        |- note: convert 'libraryNames' to a 'let' constant to make 'Sendable' shared state immutable
    |                        |- note: add '@MainActor' to make static property 'libraryNames' part of global actor 'MainActor'
    |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
108 |     private static var libraryPathExtensions = [".so"]
109 |     private static var librarySearchPaths = [""]
/host/spi-builder-workspace/PythonKit/PythonLibrary.swift:108:24: warning: static property 'libraryPathExtensions' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
106 | #elseif os(Linux)
107 |     private static var libraryNames = ["libpython:", "libpython:m"]
108 |     private static var libraryPathExtensions = [".so"]
    |                        |- warning: static property 'libraryPathExtensions' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                        |- note: convert 'libraryPathExtensions' to a 'let' constant to make 'Sendable' shared state immutable
    |                        |- note: add '@MainActor' to make static property 'libraryPathExtensions' part of global actor 'MainActor'
    |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
109 |     private static var librarySearchPaths = [""]
110 |     private static var libraryVersionSeparator = "."
/host/spi-builder-workspace/PythonKit/PythonLibrary.swift:109:24: warning: static property 'librarySearchPaths' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
107 |     private static var libraryNames = ["libpython:", "libpython:m"]
108 |     private static var libraryPathExtensions = [".so"]
109 |     private static var librarySearchPaths = [""]
    |                        |- warning: static property 'librarySearchPaths' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                        |- note: convert 'librarySearchPaths' to a 'let' constant to make 'Sendable' shared state immutable
    |                        |- note: add '@MainActor' to make static property 'librarySearchPaths' part of global actor 'MainActor'
    |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
110 |     private static var libraryVersionSeparator = "."
111 | #elseif os(Windows)
/host/spi-builder-workspace/PythonKit/PythonLibrary.swift:110:24: warning: static property 'libraryVersionSeparator' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
108 |     private static var libraryPathExtensions = [".so"]
109 |     private static var librarySearchPaths = [""]
110 |     private static var libraryVersionSeparator = "."
    |                        |- warning: static property 'libraryVersionSeparator' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                        |- note: convert 'libraryVersionSeparator' to a 'let' constant to make 'Sendable' shared state immutable
    |                        |- note: add '@MainActor' to make static property 'libraryVersionSeparator' part of global actor 'MainActor'
    |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
111 | #elseif os(Windows)
112 |     private static var libraryNames = ["python:"]
[4/7] Compiling PythonKit Python.swift
/host/spi-builder-workspace/PythonKit/Python.swift:663:12: warning: let 'Python' is not concurrency-safe because non-'Sendable' type 'PythonInterface' may have shared mutable state; this is an error in the Swift 6 language mode
 661 | ///     print(Python.type(list) == Python.list) // Prints true.
 662 | @_fixed_layout
 663 | public let Python = PythonInterface()
     |            |- warning: let 'Python' is not concurrency-safe because non-'Sendable' type 'PythonInterface' may have shared mutable state; this is an error in the Swift 6 language mode
     |            |- note: add '@MainActor' to make let 'Python' part of global actor 'MainActor'
     |            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 664 |
 665 | /// An interface for Python.
     :
 671 | ///   called `Python`.
 672 | @dynamicMemberLookup
 673 | public struct PythonInterface {
     |               `- note: consider making struct 'PythonInterface' conform to the 'Sendable' protocol
 674 |     /// A dictionary of the Python builtins.
 675 |     public let builtins: PythonObject
/host/spi-builder-workspace/PythonKit/Python.swift:1733:16: warning: static property 'sharedMethodDefinition' is not concurrency-safe because non-'Sendable' type 'UnsafeMutablePointer<PyMethodDef>' may have shared mutable state; this is an error in the Swift 6 language mode
1731 |
1732 | fileprivate extension PythonFunction {
1733 |     static let sharedMethodDefinition: UnsafeMutablePointer<PyMethodDef> = {
     |                |- warning: static property 'sharedMethodDefinition' is not concurrency-safe because non-'Sendable' type 'UnsafeMutablePointer<PyMethodDef>' may have shared mutable state; this is an error in the Swift 6 language mode
     |                |- note: add '@MainActor' to make static property 'sharedMethodDefinition' part of global actor 'MainActor'
     |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
1734 |         let name: StaticString = "pythonkit_swift_function"
1735 |         // `utf8Start` is a property of StaticString, thus, it has a stable pointer.
Swift.UnsafeMutablePointer:1:23: note: generic struct 'UnsafeMutablePointer' does not conform to the 'Sendable' protocol
1 | @frozen public struct UnsafeMutablePointer<Pointee> : Copyable where Pointee : ~Copyable {
  |                       `- note: generic struct 'UnsafeMutablePointer' does not conform to the 'Sendable' protocol
2 |     public let _rawValue: Builtin.RawPointer
3 |     public init(_ _rawValue: Builtin.RawPointer)
/host/spi-builder-workspace/PythonKit/Python.swift:1755:16: warning: static property 'sharedMethodWithKeywordsDefinition' is not concurrency-safe because non-'Sendable' type 'UnsafeMutablePointer<PyMethodDef>' may have shared mutable state; this is an error in the Swift 6 language mode
1753 |     }()
1754 |
1755 |     static let sharedMethodWithKeywordsDefinition: UnsafeMutablePointer<PyMethodDef> = {
     |                |- warning: static property 'sharedMethodWithKeywordsDefinition' is not concurrency-safe because non-'Sendable' type 'UnsafeMutablePointer<PyMethodDef>' may have shared mutable state; this is an error in the Swift 6 language mode
     |                |- note: add '@MainActor' to make static property 'sharedMethodWithKeywordsDefinition' part of global actor 'MainActor'
     |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
1756 |         let name: StaticString = "pythonkit_swift_function_with_keywords"
1757 |         // `utf8Start` is a property of StaticString, thus, it has a stable pointer.
Swift.UnsafeMutablePointer:1:23: note: generic struct 'UnsafeMutablePointer' does not conform to the 'Sendable' protocol
1 | @frozen public struct UnsafeMutablePointer<Pointee> : Copyable where Pointee : ~Copyable {
  |                       `- note: generic struct 'UnsafeMutablePointer' does not conform to the 'Sendable' protocol
2 |     public let _rawValue: Builtin.RawPointer
3 |     public init(_ _rawValue: Builtin.RawPointer)
/host/spi-builder-workspace/PythonKit/Python.swift:92:21: warning: stored property 'reference' of 'Sendable'-conforming struct 'PythonObject' has non-sendable type 'PyReference'; this is an error in the Swift 6 language mode
  38 | //   implement move semantics.
  39 | @usableFromInline @_fixed_layout
  40 | final class PyReference {
     |             `- note: class 'PyReference' does not conform to the 'Sendable' protocol
  41 |     private var pointer: OwnedPyObjectPointer
  42 |
     :
  90 | public struct PythonObject {
  91 |     /// The underlying `PyReference`.
  92 |     fileprivate var reference: PyReference
     |                     `- warning: stored property 'reference' of 'Sendable'-conforming struct 'PythonObject' has non-sendable type 'PyReference'; this is an error in the Swift 6 language mode
  93 |
  94 |     @usableFromInline
[5/7] Compiling PythonKit NumpyConversion.swift
[6/7] Compiling PythonKit PythonLibrary+Symbols.swift
/host/spi-builder-workspace/PythonKit/PythonLibrary+Symbols.swift:228:5: warning: let '_Py_ZeroStruct' is not concurrency-safe because non-'Sendable' type 'PyObjectPointer' (aka 'UnsafeMutableRawPointer') may have shared mutable state; this is an error in the Swift 6 language mode
226 |         legacyName: "PyString_AsStringAndSize")
227 |
228 | let _Py_ZeroStruct: PyObjectPointer =
    |     |- warning: let '_Py_ZeroStruct' is not concurrency-safe because non-'Sendable' type 'PyObjectPointer' (aka 'UnsafeMutableRawPointer') may have shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: add '@MainActor' to make let '_Py_ZeroStruct' part of global actor 'MainActor'
    |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
229 |     PythonLibrary.loadSymbol(name: "_Py_ZeroStruct")
230 |
Swift.UnsafeMutableRawPointer:1:23: note: struct 'UnsafeMutableRawPointer' does not conform to the 'Sendable' protocol
1 | @frozen public struct UnsafeMutableRawPointer : _Pointer {
  |                       `- note: struct 'UnsafeMutableRawPointer' does not conform to the 'Sendable' protocol
2 |     public typealias Pointee = UInt8
3 |     public let _rawValue: Builtin.RawPointer
/host/spi-builder-workspace/PythonKit/PythonLibrary+Symbols.swift:231:5: warning: let '_Py_TrueStruct' is not concurrency-safe because non-'Sendable' type 'PyObjectPointer' (aka 'UnsafeMutableRawPointer') may have shared mutable state; this is an error in the Swift 6 language mode
229 |     PythonLibrary.loadSymbol(name: "_Py_ZeroStruct")
230 |
231 | let _Py_TrueStruct: PyObjectPointer =
    |     |- warning: let '_Py_TrueStruct' is not concurrency-safe because non-'Sendable' type 'PyObjectPointer' (aka 'UnsafeMutableRawPointer') may have shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: add '@MainActor' to make let '_Py_TrueStruct' part of global actor 'MainActor'
    |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
232 |     PythonLibrary.loadSymbol(name: "_Py_TrueStruct")
233 |
Swift.UnsafeMutableRawPointer:1:23: note: struct 'UnsafeMutableRawPointer' does not conform to the 'Sendable' protocol
1 | @frozen public struct UnsafeMutableRawPointer : _Pointer {
  |                       `- note: struct 'UnsafeMutableRawPointer' does not conform to the 'Sendable' protocol
2 |     public typealias Pointee = UInt8
3 |     public let _rawValue: Builtin.RawPointer
/host/spi-builder-workspace/PythonKit/PythonLibrary+Symbols.swift:234:5: warning: let 'PyBool_Type' is not concurrency-safe because non-'Sendable' type 'PyObjectPointer' (aka 'UnsafeMutableRawPointer') may have shared mutable state; this is an error in the Swift 6 language mode
232 |     PythonLibrary.loadSymbol(name: "_Py_TrueStruct")
233 |
234 | let PyBool_Type: PyObjectPointer =
    |     |- warning: let 'PyBool_Type' is not concurrency-safe because non-'Sendable' type 'PyObjectPointer' (aka 'UnsafeMutableRawPointer') may have shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: add '@MainActor' to make let 'PyBool_Type' part of global actor 'MainActor'
    |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
235 |     PythonLibrary.loadSymbol(name: "PyBool_Type")
236 |
Swift.UnsafeMutableRawPointer:1:23: note: struct 'UnsafeMutableRawPointer' does not conform to the 'Sendable' protocol
1 | @frozen public struct UnsafeMutableRawPointer : _Pointer {
  |                       `- note: struct 'UnsafeMutableRawPointer' does not conform to the 'Sendable' protocol
2 |     public typealias Pointee = UInt8
3 |     public let _rawValue: Builtin.RawPointer
/host/spi-builder-workspace/PythonKit/PythonLibrary+Symbols.swift:237:5: warning: let 'PySlice_Type' is not concurrency-safe because non-'Sendable' type 'PyObjectPointer' (aka 'UnsafeMutableRawPointer') may have shared mutable state; this is an error in the Swift 6 language mode
235 |     PythonLibrary.loadSymbol(name: "PyBool_Type")
236 |
237 | let PySlice_Type: PyObjectPointer =
    |     |- warning: let 'PySlice_Type' is not concurrency-safe because non-'Sendable' type 'PyObjectPointer' (aka 'UnsafeMutableRawPointer') may have shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: add '@MainActor' to make let 'PySlice_Type' part of global actor 'MainActor'
    |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
238 |     PythonLibrary.loadSymbol(name: "PySlice_Type")
239 |
Swift.UnsafeMutableRawPointer:1:23: note: struct 'UnsafeMutableRawPointer' does not conform to the 'Sendable' protocol
1 | @frozen public struct UnsafeMutableRawPointer : _Pointer {
  |                       `- note: struct 'UnsafeMutableRawPointer' does not conform to the 'Sendable' protocol
2 |     public typealias Pointee = UInt8
3 |     public let _rawValue: Builtin.RawPointer
[7/7] Compiling PythonKit PythonLibrary.swift
/host/spi-builder-workspace/PythonKit/PythonLibrary.swift:53:24: warning: static property 'defaultLibraryHandle' is not concurrency-safe because non-'Sendable' type 'UnsafeMutableRawPointer?' may have shared mutable state; this is an error in the Swift 6 language mode
 51 |     private static let defaultLibraryHandle = UnsafeMutableRawPointer(bitPattern: -2)  // RTLD_DEFAULT
 52 | #else
 53 |     private static let defaultLibraryHandle: UnsafeMutableRawPointer? = nil  // RTLD_DEFAULT
    |                        |- warning: static property 'defaultLibraryHandle' is not concurrency-safe because non-'Sendable' type 'UnsafeMutableRawPointer?' may have shared mutable state; this is an error in the Swift 6 language mode
    |                        |- note: add '@MainActor' to make static property 'defaultLibraryHandle' part of global actor 'MainActor'
    |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 54 | #endif
 55 |
Swift.Optional:1:21: note: generic enum 'Optional' does not conform to the 'Sendable' protocol
1 | @frozen public enum Optional<Wrapped> : ~Copyable where Wrapped : ~Copyable {
  |                     `- note: generic enum 'Optional' does not conform to the 'Sendable' protocol
2 |     case none
3 |     case some(Wrapped)
/host/spi-builder-workspace/PythonKit/PythonLibrary.swift:56:24: warning: static property 'isPythonLibraryLoaded' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 54 | #endif
 55 |
 56 |     private static var isPythonLibraryLoaded = false
    |                        |- warning: static property 'isPythonLibraryLoaded' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                        |- note: convert 'isPythonLibraryLoaded' to a 'let' constant to make 'Sendable' shared state immutable
    |                        |- note: add '@MainActor' to make static property 'isPythonLibraryLoaded' part of global actor 'MainActor'
    |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 57 |     private static var _pythonLibraryHandle: UnsafeMutableRawPointer?
 58 |     private static var pythonLibraryHandle: UnsafeMutableRawPointer? {
/host/spi-builder-workspace/PythonKit/PythonLibrary.swift:57:24: warning: static property '_pythonLibraryHandle' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 55 |
 56 |     private static var isPythonLibraryLoaded = false
 57 |     private static var _pythonLibraryHandle: UnsafeMutableRawPointer?
    |                        |- warning: static property '_pythonLibraryHandle' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                        |- note: convert '_pythonLibraryHandle' to a 'let' constant to make 'Sendable' shared state immutable
    |                        |- note: add '@MainActor' to make static property '_pythonLibraryHandle' part of global actor 'MainActor'
    |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 58 |     private static var pythonLibraryHandle: UnsafeMutableRawPointer? {
 59 |         try! PythonLibrary.loadLibrary()
/host/spi-builder-workspace/PythonKit/PythonLibrary.swift:107:24: warning: static property 'libraryNames' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
105 |     private static var libraryVersionSeparator = "."
106 | #elseif os(Linux)
107 |     private static var libraryNames = ["libpython:", "libpython:m"]
    |                        |- warning: static property 'libraryNames' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                        |- note: convert 'libraryNames' to a 'let' constant to make 'Sendable' shared state immutable
    |                        |- note: add '@MainActor' to make static property 'libraryNames' part of global actor 'MainActor'
    |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
108 |     private static var libraryPathExtensions = [".so"]
109 |     private static var librarySearchPaths = [""]
/host/spi-builder-workspace/PythonKit/PythonLibrary.swift:108:24: warning: static property 'libraryPathExtensions' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
106 | #elseif os(Linux)
107 |     private static var libraryNames = ["libpython:", "libpython:m"]
108 |     private static var libraryPathExtensions = [".so"]
    |                        |- warning: static property 'libraryPathExtensions' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                        |- note: convert 'libraryPathExtensions' to a 'let' constant to make 'Sendable' shared state immutable
    |                        |- note: add '@MainActor' to make static property 'libraryPathExtensions' part of global actor 'MainActor'
    |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
109 |     private static var librarySearchPaths = [""]
110 |     private static var libraryVersionSeparator = "."
/host/spi-builder-workspace/PythonKit/PythonLibrary.swift:109:24: warning: static property 'librarySearchPaths' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
107 |     private static var libraryNames = ["libpython:", "libpython:m"]
108 |     private static var libraryPathExtensions = [".so"]
109 |     private static var librarySearchPaths = [""]
    |                        |- warning: static property 'librarySearchPaths' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                        |- note: convert 'librarySearchPaths' to a 'let' constant to make 'Sendable' shared state immutable
    |                        |- note: add '@MainActor' to make static property 'librarySearchPaths' part of global actor 'MainActor'
    |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
110 |     private static var libraryVersionSeparator = "."
111 | #elseif os(Windows)
/host/spi-builder-workspace/PythonKit/PythonLibrary.swift:110:24: warning: static property 'libraryVersionSeparator' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
108 |     private static var libraryPathExtensions = [".so"]
109 |     private static var librarySearchPaths = [""]
110 |     private static var libraryVersionSeparator = "."
    |                        |- warning: static property 'libraryVersionSeparator' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                        |- note: convert 'libraryVersionSeparator' to a 'let' constant to make 'Sendable' shared state immutable
    |                        |- note: add '@MainActor' to make static property 'libraryVersionSeparator' part of global actor 'MainActor'
    |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
111 | #elseif os(Windows)
112 |     private static var libraryNames = ["python:"]
/host/spi-builder-workspace/PythonKit/PythonLibrary.swift:307:31: warning: reference to var 'stderr' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
305 |     private static func log(_ message: String) {
306 |         guard Environment.loaderLogging.value != nil else { return }
307 |         fputs(message + "\n", stderr)
    |                               `- warning: reference to var 'stderr' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
308 |     }
309 | }
/usr/include/stdio.h:145:14: note: var declared here
143 | extern FILE *stdin;		/* Standard input stream.  */
144 | extern FILE *stdout;		/* Standard output stream.  */
145 | extern FILE *stderr;		/* Standard error output stream.  */
    |              `- note: var declared here
146 | /* C89/C99 say they're macros.  Make them happy.  */
147 | #define stdin stdin
Build complete! (3.62s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "PythonKit",
  "name" : "PythonKit",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "PythonKit",
      "targets" : [
        "PythonKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "PythonKitTests",
      "module_type" : "SwiftTarget",
      "name" : "PythonKitTests",
      "path" : "Tests/PythonKitTests",
      "sources" : [
        "NumpyConversionTests.swift",
        "PythonFunctionTests.swift",
        "PythonRuntimeTests.swift"
      ],
      "target_dependencies" : [
        "PythonKit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "PythonKit",
      "module_type" : "SwiftTarget",
      "name" : "PythonKit",
      "path" : "PythonKit",
      "product_memberships" : [
        "PythonKit"
      ],
      "sources" : [
        "NumpyConversion.swift",
        "Python.swift",
        "PythonLibrary+Symbols.swift",
        "PythonLibrary.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.1"
}
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
Done.