Swift Package Index

Build Information

Failed to build swift-log-matrix, reference main (660695), with Swift 6.4 for Wasm on 19 Sep 2026 02:07:21 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-54344845-0":/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.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/kiliankoe/swift-log-matrix.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/kiliankoe/swift-log-matrix
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 660695f update readme screenshot
Cloned https://github.com/kiliankoe/swift-log-matrix.git
Revision (git rev-parse @):
660695f3632217986ca037457c8f22b1bc9c3c0a
SUCCESS checkout https://github.com/kiliankoe/swift-log-matrix.git at main
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/kiliankoe/swift-log-matrix.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344845-0":/host -w "$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.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm 2>&1
wasm-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:4328fdb43c680d205c1d6761b1e3267aa38277eefdda9ddfb17b6a0f1a77857a
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest
Fetching https://github.com/apple/swift-log.git
[1/8096] Fetching swift-log
Fetched https://github.com/apple/swift-log.git (0.48s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.15.1 (0.69s)
Creating working copy for https://github.com/apple/swift-log.git
Working copy of https://github.com/apple/swift-log.git resolved at 1.15.1
Building for debugging...
[Pre-planning 1 / 96]
[23 / 38] Logging
[32 / 47] Logging
[41 / 54] LoggingMatrix
[43 / 54] LoggingMatrix
[44 / 54] LoggingMatrix
[44 / 54] Logging
error: SwiftCompile normal wasm32 failed with a nonzero exit code. Command line:     cd /host

[47 / 55] LoggingMatrix
/host/spi-builder-workspace/Sources/LoggingMatrix/MatrixLogHandler.swift:8:14: warning: deprecated default implementation is used to satisfy instance method 'log(event:)' required by protocol 'LogHandler': You should implement this method instead of using the default implementation [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
  6 | #endif
  7 |
  8 | public class MatrixLogHandler: LogHandler {
    |              `- warning: deprecated default implementation is used to satisfy instance method 'log(event:)' required by protocol 'LogHandler': You should implement this method instead of using the default implementation [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
  9 |     private var homeserver: URL
 10 |     private var roomID: String
/host/spi-builder-workspace/.build/checkouts/swift-log/Sources/Logging/LogHandler.swift:249:17: note: 'log(event:)' declared here
136 |     ///
137 |     /// - Parameter event: The log event containing the level, message, metadata, and source location.
138 |     func log(event: LogEvent)
    |          `- note: requirement 'log(event:)' declared here
139 |
140 |     /// Please do _not_ implement this method when you create a `LogHandler` implementation.
    :
247 |     ///   Implement ``log(event:)`` in your ``LogHandler`` instead.
248 |     @available(*, deprecated, message: "You should implement this method instead of using the default implementation")
249 |     public func log(event: LogEvent) {
    |                 `- note: 'log(event:)' declared here
250 |         self.log(
251 |             level: event.level,
/host/spi-builder-workspace/Sources/LoggingMatrix/URLSession+async.swift:7:1: error: non-nominal type 'URLSession' (aka 'AnyObject') cannot be extended [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/nominal-types\NominalTypes]8;;\]
 5 | #endif
 6 |
 7 | extension URLSession {
   | `- error: non-nominal type 'URLSession' (aka 'AnyObject') cannot be extended [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/nominal-types\NominalTypes]8;;\]
 8 |     func data(for request: URLRequest) async throws -> (Data, HTTPURLResponse) {
 9 |         try await withCheckedThrowingContinuation { continuation in
[#DeprecatedDeclaration]: <https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration>
[#NominalTypes]: <https://docs.swift.org/compiler/documentation/diagnostics/nominal-types>
Failed frontend command:
/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /host/spi-builder-workspace/Sources/LoggingMatrix/LoggingMatrixError.swift /host/spi-builder-workspace/Sources/LoggingMatrix/MatrixLogHandler.swift /host/spi-builder-workspace/Sources/LoggingMatrix/Message.swift /host/spi-builder-workspace/Sources/LoggingMatrix/Metadata+merged.swift /host/spi-builder-workspace/Sources/LoggingMatrix/URLSession+async.swift -target wasm32-unknown-wasip1 -disable-objc-interop -sdk /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/WASI.sdk -sysroot /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_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 5 -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.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_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.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_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/swift-log-matrix.build/Debug-webassembly-wasm32/LoggingMatrix-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-log-matrix.build/Debug-webassembly-wasm32/LoggingMatrix-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-log-matrix.build/Debug-webassembly-wasm32/LoggingMatrix-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name LoggingMatrix -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-log-matrix.build/Debug-webassembly-wasm32/LoggingMatrix-t.build/Objects-normal/wasm32/LoggingMatrix_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 -emit-module-doc-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-log-matrix.build/Debug-webassembly-wasm32/LoggingMatrix-t.build/Objects-normal/wasm32/Modules/LoggingMatrix.swiftdoc -emit-module-source-info-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-log-matrix.build/Debug-webassembly-wasm32/LoggingMatrix-t.build/Objects-normal/wasm32/Modules/LoggingMatrix.swiftsourceinfo -emit-objc-header-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-log-matrix.build/Debug-webassembly-wasm32/LoggingMatrix-t.build/Objects-normal/wasm32/LoggingMatrix-Swift.h -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-log-matrix.build/Debug-webassembly-wasm32/LoggingMatrix-t.build/Objects-normal/wasm32/LoggingMatrix-primary-emit-module.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-log-matrix.build/Debug-webassembly-wasm32/LoggingMatrix-t.build/Objects-normal/wasm32/LoggingMatrix-primary-emit-module.d -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-log-matrix.build/Debug-webassembly-wasm32/LoggingMatrix-t.build/Objects-normal/wasm32/Modules/LoggingMatrix.swiftmodule
error: Build failed
BUILD FAILURE 6.4 wasm