Swift Package Index

Build Information

Failed to build ChaosTesting, reference main (acf622), with Swift 6.4 for Wasm on 17 Oct 2026 08:14:26 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-53886768-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest swift build --swift-sdk swift-6.4.0-RELEASE_wasm 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 5.1.3
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/elegantchaos/ChaosTesting.git
Reference: main
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/elegantchaos/ChaosTesting
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at acf6222 Merge pull request #1 from elegantchaos/feature/scratch-directory
Cloned https://github.com/elegantchaos/ChaosTesting.git
Revision (git rev-parse @):
acf62226583bf35d94537730087a25f95ca8d296
SUCCESS checkout https://github.com/elegantchaos/ChaosTesting.git at main
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/elegantchaos/ChaosTesting.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886768-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest swift build --swift-sdk swift-6.4.0-RELEASE_wasm 2>&1
wasm-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:7a2e5502d3bb6640f9b2bbb1dadf9967024364ce9ed0ed0bd80cf1b699d193fd
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest
Building for debugging...
[Planning deferred tasks]
[24 / 32] ChaosTesting
/host/spi-builder-workspace/Sources/ChaosTesting/TestScratchDirectory.swift:23:42: warning: 'getpid()' is deprecated: WASI lacks process identifiers; to enable emulation of the `getpid` function using a placeholder value, which doesn't reflect the host PID of the program, compile with -D_WASI_EMULATED_GETPID and link with -lwasi-emulated-getpid [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
21 |     let parent = URL.temporaryDirectory.appending(path: name, directoryHint: .isDirectory)
22 |     removeAbandonedFolders(in: parent)
23 |     let root = parent.appending(path: "\(getpid())", directoryHint: .isDirectory)
   |                                          `- warning: 'getpid()' is deprecated: WASI lacks process identifiers; to enable emulation of the `getpid` function using a placeholder value, which doesn't reflect the host PID of the program, compile with -D_WASI_EMULATED_GETPID and link with -lwasi-emulated-getpid [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
24 |     try? FileManager.default.createDirectory(at: root, withIntermediateDirectories: true)
25 |     atexit {
/host/spi-builder-workspace/Sources/ChaosTesting/TestSettings.swift:30:59: warning: 'TestSettings' inherits an unavailable 'Sendable' conformance; conforming here risks data races [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/unavailable-sendable-conformance\UnavailableSendableConformance]8;;\]
28 | ///
29 | /// Tests that need any of that should use ``persistentSuite(prefix:)`` instead.
30 | public final class TestSettings: UserDefaults, @unchecked Sendable {
   |                    |                                      `- warning: 'TestSettings' inherits an unavailable 'Sendable' conformance; conforming here risks data races [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/unavailable-sendable-conformance\UnavailableSendableConformance]8;;\]
   |                    `- note: 'TestSettings' inherits unavailable conformance to protocol 'Sendable' from superclass here
31 |   /// The suite every instance is nominally attached to. Nothing is ever written to it.
32 |   public static let suiteName = "ChaosTesting.TestSettings"
[#DeprecatedDeclaration]: <https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration>
[#UnavailableSendableConformance]: <https://docs.swift.org/compiler/documentation/diagnostics/unavailable-sendable-conformance>
[29 / 32] ChaosTesting
error: SwiftCompile normal wasm32 /host/spi-builder-workspace/Sources/ChaosTesting/TestScratchDirectory.swift failed with a nonzero exit code. Command line:     cd /host
    builtin-SwiftPerFileCompile TestScratchDirectory.swift
/host/spi-builder-workspace/Sources/ChaosTesting/TestScratchDirectory.swift:23:42: warning: 'getpid()' is deprecated: WASI lacks process identifiers; to enable emulation of the `getpid` function using a placeholder value, which doesn't reflect the host PID of the program, compile with -D_WASI_EMULATED_GETPID and link with -lwasi-emulated-getpid [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
21 |     let parent = URL.temporaryDirectory.appending(path: name, directoryHint: .isDirectory)
22 |     removeAbandonedFolders(in: parent)
23 |     let root = parent.appending(path: "\(getpid())", directoryHint: .isDirectory)
   |                                          `- warning: 'getpid()' is deprecated: WASI lacks process identifiers; to enable emulation of the `getpid` function using a placeholder value, which doesn't reflect the host PID of the program, compile with -D_WASI_EMULATED_GETPID and link with -lwasi-emulated-getpid [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
24 |     try? FileManager.default.createDirectory(at: root, withIntermediateDirectories: true)
25 |     atexit {
/host/spi-builder-workspace/Sources/ChaosTesting/TestScratchDirectory.swift:49:5: error: cannot find 'kill' in scope
47 |   /// Whether a process with this identifier is still running.
48 |   private static func isRunning(_ pid: pid_t) -> Bool {
49 |     kill(pid, 0) == 0 || errno != ESRCH
   |     `- error: cannot find 'kill' in scope
50 |   }
51 | }
[#DeprecatedDeclaration]: <https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration>
Failed frontend command:
/usr/bin/swift-frontend -frontend -c -primary-file /host/spi-builder-workspace/Sources/ChaosTesting/TestScratchDirectory.swift /host/spi-builder-workspace/Sources/ChaosTesting/TestSettings.swift /host/spi-builder-workspace/Sources/ChaosTesting/TestingSupport.swift /host/spi-builder-workspace/Sources/ChaosTesting/URL+SystemPaths.swift /host/spi-builder-workspace/Sources/ChaosTesting/WaitUntil.swift -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/ChaosTesting.build/Debug-webassembly-wasm32/ChaosTesting-t.build/Objects-normal/wasm32/TestScratchDirectory.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/ChaosTesting.build/Debug-webassembly-wasm32/ChaosTesting-t.build/Objects-normal/wasm32/TestScratchDirectory.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/ChaosTesting.build/Debug-webassembly-wasm32/ChaosTesting-t.build/Objects-normal/wasm32/TestScratchDirectory.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/ChaosTesting.build/Debug-webassembly-wasm32/ChaosTesting-t.build/Objects-normal/wasm32/TestScratchDirectory.dia -target wasm32-unknown-wasip1 -disable-objc-interop -sdk /root/.swiftpm/swift-sdks/swift-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_wasm/wasm32-unknown-wasip1/WASI.sdk -sysroot /root/.swiftpm/swift-sdks/swift-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_wasm/wasm32-unknown-wasip1/WASI.sdk -I /host/spi-builder-workspace/.build/out/Products/Debug-webassembly-wasm32 -module-cache-path /host/spi-builder-workspace/.build/out/ModuleCache.noindex -color-diagnostics -Xcc -fcolor-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -swift-version 6 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -external-plugin-path /usr/lib/swift/host/plugins/testing\#/usr/bin/swift-plugin-server -validate-clang-modules-once -clang-build-session-file /host/spi-builder-workspace/.build/out/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /host -resource-dir /root/.swiftpm/swift-sdks/swift-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static -use-static-resource-dir -enable-anonymous-context-mangled-names -file-compilation-dir /host -Xcc -resource-dir -Xcc /root/.swiftpm/swift-sdks/swift-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static/clang -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/host/spi-builder-workspace/.build/out/Products/Debug-webassembly-wasm32/include -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/ChaosTesting.build/Debug-webassembly-wasm32/ChaosTesting-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/ChaosTesting.build/Debug-webassembly-wasm32/ChaosTesting-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/ChaosTesting.build/Debug-webassembly-wasm32/ChaosTesting-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name ChaosTesting -package-name spi_builder_workspace -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/ChaosTesting.build/Debug-webassembly-wasm32/ChaosTesting-t.build/Objects-normal/wasm32/ChaosTesting_const_extract_protocols.json -in-process-plugin-server-path /usr/lib/swift/host/libSwiftInProcPluginServer.so -plugin-path /usr/lib/swift/host/plugins -plugin-path /usr/local/lib/swift/host/plugins -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/ChaosTesting.build/Debug-webassembly-wasm32/ChaosTesting-t.build/Objects-normal/wasm32/TestScratchDirectory.o -index-unit-output-path /ChaosTesting.build/Debug-webassembly-wasm32/ChaosTesting-t.build/Objects-normal/wasm32/TestScratchDirectory.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 wasm