Swift Package IndexBuild Information
Successful build of swift-system, reference 1.6.2 (890830), with Swift 6.1 for Wasm on 4 Aug 2025 09:06:48 UTC.
Swift 6 data race errors: 1
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi -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>&1Build Log
========================================
RunAll
========================================
Builder version: 4.65.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/apple/swift-system.git
Reference: 1.6.2
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/apple/swift-system
* tag 1.6.2 -> FETCH_HEAD
HEAD is now at 890830f Merge pull request #254 from jrflat/fix-generic-int-typedefs-1.6.0
Cloned https://github.com/apple/swift-system.git
Revision (git rev-parse @):
890830fff1a577dc83134890c7984020c5f6b43b
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/apple/swift-system.git at 1.6.2
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.1
Building package at path: $PWD
https://github.com/apple/swift-system.git
https://github.com/apple/swift-system.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
"dependencies" : [
],
"manifest_display_name" : "swift-system",
"name" : "swift-system",
"path" : "/host/spi-builder-workspace",
"platforms" : [
],
"products" : [
{
"name" : "SystemPackage",
"targets" : [
"SystemPackage"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "SystemTests",
"module_type" : "SwiftTarget",
"name" : "SystemTests",
"path" : "Tests/SystemTests",
"sources" : [
"ErrnoTest.swift",
"FileDescriptorExtras.swift",
"FileOperationsTest.swift",
"FileOperationsTestWindows.swift",
"FilePathTests/FilePathComponentsTest.swift",
"FilePathTests/FilePathDecodable.swift",
"FilePathTests/FilePathExtras.swift",
"FilePathTests/FilePathParsingTest.swift",
"FilePathTests/FilePathSyntaxTest.swift",
"FilePathTests/FilePathTempTest.swift",
"FilePathTests/FilePathTest.swift",
"FileTypesTest.swift",
"IORequestTests.swift",
"IORingTests.swift",
"MachPortTests.swift",
"MockingTest.swift",
"SystemCharTest.swift",
"SystemStringTests.swift",
"TestingInfrastructure.swift",
"UtilTests.swift"
],
"target_dependencies" : [
"SystemPackage"
],
"type" : "test"
},
{
"c99name" : "SystemPackage",
"module_type" : "SwiftTarget",
"name" : "SystemPackage",
"path" : "Sources/System",
"product_memberships" : [
"SystemPackage"
],
"sources" : [
"Errno.swift",
"ErrnoWindows.swift",
"FileDescriptor.swift",
"FileHelpers.swift",
"FileOperations.swift",
"FilePath/FilePath.swift",
"FilePath/FilePathComponentView.swift",
"FilePath/FilePathComponents.swift",
"FilePath/FilePathParsing.swift",
"FilePath/FilePathString.swift",
"FilePath/FilePathSyntax.swift",
"FilePath/FilePathTemp.swift",
"FilePath/FilePathTempPosix.swift",
"FilePath/FilePathTempWindows.swift",
"FilePath/FilePathWindows.swift",
"FilePermissions.swift",
"IORing/IOCompletion.swift",
"IORing/IORequest.swift",
"IORing/IORing.swift",
"IORing/RawIORequest.swift",
"Internals/Backcompat.swift",
"Internals/CInterop.swift",
"Internals/Constants.swift",
"Internals/Exports.swift",
"Internals/Mocking.swift",
"Internals/RawBuffer.swift",
"Internals/Syscalls.swift",
"Internals/WindowsSyscallAdapters.swift",
"MachPort.swift",
"PlatformString.swift",
"SystemString.swift",
"Util+StringArray.swift",
"Util.swift",
"UtilConsumers.swift"
],
"target_dependencies" : [
"CSystem"
],
"type" : "library"
},
{
"c99name" : "CSystem",
"module_type" : "ClangTarget",
"name" : "CSystem",
"path" : "Sources/CSystem",
"product_memberships" : [
"SystemPackage"
],
"sources" : [
"shims.c"
],
"type" : "library"
}
],
"tools_version" : "5.9"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi -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
wasm-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:8f9255989265d824b88e7d572b1a334a0dc9b701075ede1970390db95d315c35
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:wasm-6.1-latest
Building for debugging...
[0/3] Write sources
[1/3] Compiling CSystem shims.c
[2/3] Write swift-version-24593BA9C3E375BF.txt
[4/34] Emitting module SystemPackage
/host/spi-builder-workspace/Sources/System/Internals/Mocking.swift:69:13: warning: let 'driverKey' is not concurrency-safe because non-'Sendable' type '_PlatformTLSKey' may have shared mutable state; this is an error in the Swift 6 language mode
67 | }
68 |
69 | private let driverKey: _PlatformTLSKey = { makeTLSKey() }()
| |- warning: let 'driverKey' is not concurrency-safe because non-'Sendable' type '_PlatformTLSKey' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make let 'driverKey' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
70 |
71 | internal var currentMockingDriver: MockingDriver? {
/host/spi-builder-workspace/Sources/System/Internals/Exports.swift:169:22: note: class '_PlatformTLSKey' does not conform to the 'Sendable' protocol
167 | #elseif os(WASI) && (swift(<6.1) || !_runtime(_multithreaded))
168 | // Mock TLS storage for single-threaded WASI
169 | internal final class _PlatformTLSKey {
| `- note: class '_PlatformTLSKey' does not conform to the 'Sendable' protocol
170 | fileprivate init() {}
171 | }
[5/38] Compiling SystemPackage FilePathSyntax.swift
[6/38] Compiling SystemPackage FilePathTemp.swift
[7/38] Compiling SystemPackage FilePathTempPosix.swift
[8/38] Compiling SystemPackage FilePathTempWindows.swift
[9/38] Compiling SystemPackage SystemString.swift
[10/38] Compiling SystemPackage Util+StringArray.swift
[11/38] Compiling SystemPackage Util.swift
[12/38] Compiling SystemPackage UtilConsumers.swift
[13/38] Compiling SystemPackage Errno.swift
[14/38] Compiling SystemPackage ErrnoWindows.swift
[15/38] Compiling SystemPackage FileDescriptor.swift
[16/38] Compiling SystemPackage FileHelpers.swift
[17/38] Compiling SystemPackage FileOperations.swift
[18/38] Compiling SystemPackage IORing.swift
[19/38] Compiling SystemPackage RawIORequest.swift
[20/38] Compiling SystemPackage Backcompat.swift
[21/38] Compiling SystemPackage CInterop.swift
[22/38] Compiling SystemPackage FilePathWindows.swift
[23/38] Compiling SystemPackage FilePermissions.swift
[24/38] Compiling SystemPackage IOCompletion.swift
[25/38] Compiling SystemPackage IORequest.swift
[26/38] Compiling SystemPackage Constants.swift
/host/spi-builder-workspace/Sources/System/Internals/Mocking.swift:69:13: warning: let 'driverKey' is not concurrency-safe because non-'Sendable' type '_PlatformTLSKey' may have shared mutable state; this is an error in the Swift 6 language mode
67 | }
68 |
69 | private let driverKey: _PlatformTLSKey = { makeTLSKey() }()
| |- warning: let 'driverKey' is not concurrency-safe because non-'Sendable' type '_PlatformTLSKey' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make let 'driverKey' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
70 |
71 | internal var currentMockingDriver: MockingDriver? {
/host/spi-builder-workspace/Sources/System/Internals/Exports.swift:169:22: note: class '_PlatformTLSKey' does not conform to the 'Sendable' protocol
167 | #elseif os(WASI) && (swift(<6.1) || !_runtime(_multithreaded))
168 | // Mock TLS storage for single-threaded WASI
169 | internal final class _PlatformTLSKey {
| `- note: class '_PlatformTLSKey' does not conform to the 'Sendable' protocol
170 | fileprivate init() {}
171 | }
[27/38] Compiling SystemPackage Exports.swift
/host/spi-builder-workspace/Sources/System/Internals/Mocking.swift:69:13: warning: let 'driverKey' is not concurrency-safe because non-'Sendable' type '_PlatformTLSKey' may have shared mutable state; this is an error in the Swift 6 language mode
67 | }
68 |
69 | private let driverKey: _PlatformTLSKey = { makeTLSKey() }()
| |- warning: let 'driverKey' is not concurrency-safe because non-'Sendable' type '_PlatformTLSKey' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make let 'driverKey' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
70 |
71 | internal var currentMockingDriver: MockingDriver? {
/host/spi-builder-workspace/Sources/System/Internals/Exports.swift:169:22: note: class '_PlatformTLSKey' does not conform to the 'Sendable' protocol
167 | #elseif os(WASI) && (swift(<6.1) || !_runtime(_multithreaded))
168 | // Mock TLS storage for single-threaded WASI
169 | internal final class _PlatformTLSKey {
| `- note: class '_PlatformTLSKey' does not conform to the 'Sendable' protocol
170 | fileprivate init() {}
171 | }
[28/38] Compiling SystemPackage Mocking.swift
/host/spi-builder-workspace/Sources/System/Internals/Mocking.swift:69:13: warning: let 'driverKey' is not concurrency-safe because non-'Sendable' type '_PlatformTLSKey' may have shared mutable state; this is an error in the Swift 6 language mode
67 | }
68 |
69 | private let driverKey: _PlatformTLSKey = { makeTLSKey() }()
| |- warning: let 'driverKey' is not concurrency-safe because non-'Sendable' type '_PlatformTLSKey' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make let 'driverKey' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
70 |
71 | internal var currentMockingDriver: MockingDriver? {
/host/spi-builder-workspace/Sources/System/Internals/Exports.swift:169:22: note: class '_PlatformTLSKey' does not conform to the 'Sendable' protocol
167 | #elseif os(WASI) && (swift(<6.1) || !_runtime(_multithreaded))
168 | // Mock TLS storage for single-threaded WASI
169 | internal final class _PlatformTLSKey {
| `- note: class '_PlatformTLSKey' does not conform to the 'Sendable' protocol
170 | fileprivate init() {}
171 | }
[29/38] Compiling SystemPackage RawBuffer.swift
/host/spi-builder-workspace/Sources/System/Internals/Mocking.swift:69:13: warning: let 'driverKey' is not concurrency-safe because non-'Sendable' type '_PlatformTLSKey' may have shared mutable state; this is an error in the Swift 6 language mode
67 | }
68 |
69 | private let driverKey: _PlatformTLSKey = { makeTLSKey() }()
| |- warning: let 'driverKey' is not concurrency-safe because non-'Sendable' type '_PlatformTLSKey' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make let 'driverKey' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
70 |
71 | internal var currentMockingDriver: MockingDriver? {
/host/spi-builder-workspace/Sources/System/Internals/Exports.swift:169:22: note: class '_PlatformTLSKey' does not conform to the 'Sendable' protocol
167 | #elseif os(WASI) && (swift(<6.1) || !_runtime(_multithreaded))
168 | // Mock TLS storage for single-threaded WASI
169 | internal final class _PlatformTLSKey {
| `- note: class '_PlatformTLSKey' does not conform to the 'Sendable' protocol
170 | fileprivate init() {}
171 | }
[30/38] Compiling SystemPackage FilePath.swift
[31/38] Compiling SystemPackage FilePathComponentView.swift
[32/38] Compiling SystemPackage FilePathComponents.swift
[33/38] Compiling SystemPackage FilePathParsing.swift
[34/38] Compiling SystemPackage FilePathString.swift
[35/38] Compiling SystemPackage Syscalls.swift
[36/38] Compiling SystemPackage WindowsSyscallAdapters.swift
[37/38] Compiling SystemPackage MachPort.swift
[38/38] Compiling SystemPackage PlatformString.swift
Build complete! (8.54s)
Build complete.
{
"dependencies" : [
],
"manifest_display_name" : "swift-system",
"name" : "swift-system",
"path" : "/host/spi-builder-workspace",
"platforms" : [
],
"products" : [
{
"name" : "SystemPackage",
"targets" : [
"SystemPackage"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "SystemTests",
"module_type" : "SwiftTarget",
"name" : "SystemTests",
"path" : "Tests/SystemTests",
"sources" : [
"ErrnoTest.swift",
"FileDescriptorExtras.swift",
"FileOperationsTest.swift",
"FileOperationsTestWindows.swift",
"FilePathTests/FilePathComponentsTest.swift",
"FilePathTests/FilePathDecodable.swift",
"FilePathTests/FilePathExtras.swift",
"FilePathTests/FilePathParsingTest.swift",
"FilePathTests/FilePathSyntaxTest.swift",
"FilePathTests/FilePathTempTest.swift",
"FilePathTests/FilePathTest.swift",
"FileTypesTest.swift",
"IORequestTests.swift",
"IORingTests.swift",
"MachPortTests.swift",
"MockingTest.swift",
"SystemCharTest.swift",
"SystemStringTests.swift",
"TestingInfrastructure.swift",
"UtilTests.swift"
],
"target_dependencies" : [
"SystemPackage"
],
"type" : "test"
},
{
"c99name" : "SystemPackage",
"module_type" : "SwiftTarget",
"name" : "SystemPackage",
"path" : "Sources/System",
"product_memberships" : [
"SystemPackage"
],
"sources" : [
"Errno.swift",
"ErrnoWindows.swift",
"FileDescriptor.swift",
"FileHelpers.swift",
"FileOperations.swift",
"FilePath/FilePath.swift",
"FilePath/FilePathComponentView.swift",
"FilePath/FilePathComponents.swift",
"FilePath/FilePathParsing.swift",
"FilePath/FilePathString.swift",
"FilePath/FilePathSyntax.swift",
"FilePath/FilePathTemp.swift",
"FilePath/FilePathTempPosix.swift",
"FilePath/FilePathTempWindows.swift",
"FilePath/FilePathWindows.swift",
"FilePermissions.swift",
"IORing/IOCompletion.swift",
"IORing/IORequest.swift",
"IORing/IORing.swift",
"IORing/RawIORequest.swift",
"Internals/Backcompat.swift",
"Internals/CInterop.swift",
"Internals/Constants.swift",
"Internals/Exports.swift",
"Internals/Mocking.swift",
"Internals/RawBuffer.swift",
"Internals/Syscalls.swift",
"Internals/WindowsSyscallAdapters.swift",
"MachPort.swift",
"PlatformString.swift",
"SystemString.swift",
"Util+StringArray.swift",
"Util.swift",
"UtilConsumers.swift"
],
"target_dependencies" : [
"CSystem"
],
"type" : "library"
},
{
"c99name" : "CSystem",
"module_type" : "ClangTarget",
"name" : "CSystem",
"path" : "Sources/CSystem",
"product_memberships" : [
"SystemPackage"
],
"sources" : [
"shims.c"
],
"type" : "library"
}
],
"tools_version" : "5.9"
}
wasm-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:8f9255989265d824b88e7d572b1a334a0dc9b701075ede1970390db95d315c35
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:wasm-6.1-latest
Done.