Swift Package IndexBuild Information
Failed to build swift-log-testing, reference 0.0.1 (8459ce), with Swift 6.3 for Wasm on 13 Apr 2026 05:22:16 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1Build 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/neallester/swift-log-testing.git
Reference: 0.0.1
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/neallester/swift-log-testing
* tag 0.0.1 -> FETCH_HEAD
HEAD is now at 8459cec Added TestLogMessages.set(logLevel:, forLabel:)
Cloned https://github.com/neallester/swift-log-testing.git
Revision (git rev-parse @):
8459cec10d45da4c566aaec9052fa4a1bef3b861
SUCCESS checkout https://github.com/neallester/swift-log-testing.git at 0.0.1
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Build
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Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/neallester/swift-log-testing.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1
wasm-6.3-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:d69f4e7582c319245442d62a08b2d7c7fd5a0c0c69f5d2ef11d1530cd8d3329b
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest
Fetching https://github.com/apple/swift-log.git
[1/6521] Fetching swift-log
Fetched https://github.com/apple/swift-log.git from cache (0.60s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.11.0 (1.12s)
Creating working copy for https://github.com/apple/swift-log.git
Working copy of https://github.com/apple/swift-log.git resolved at 1.11.0
Building for debugging...
[0/3] Write sources
[2/3] Write swift-version-24593BA9C3E375BF.txt
[4/9] Compiling Logging MetadataProvider.swift
[5/9] Compiling Logging LogHandler.swift
[6/9] Compiling Logging LogEvent.swift
[7/9] Compiling Logging Locks.swift
[8/9] Emitting module Logging
[9/9] Compiling Logging Logging.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[11/12] Emitting module SwiftLogTesting
/host/spi-builder-workspace/Sources/SwiftLogTesting/TestingLogHandler.swift:4:8: 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 [#DeprecatedDeclaration]
2 | import Logging
3 |
4 | struct TestingLogHandler: 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 [#DeprecatedDeclaration]
5 |
6 | init (label: String) {
/host/spi-builder-workspace/.build/checkouts/swift-log/Sources/Logging/LogHandler.swift:256:17: note: 'log(event:)' declared here
143 | ///
144 | /// - Parameter event: The log event containing the level, message, metadata, and source location.
145 | func log(event: LogEvent)
| `- note: requirement 'log(event:)' declared here
146 |
147 | /// Please do _not_ implement this method when you create a `LogHandler` implementation.
:
254 | /// Implement ``log(event:)`` in your ``LogHandler`` instead.
255 | @available(*, deprecated, message: "You should implement this method instead of using the default implementation")
256 | public func log(event: LogEvent) {
| `- note: 'log(event:)' declared here
257 | self.log(
258 | level: event.level,
/host/spi-builder-workspace/Sources/SwiftLogTesting/TestingLogHandler.swift:273:28: error: cannot find type 'DispatchQueue' in scope
271 |
272 | private var _messages: [LogMessage] = []
273 | private let queue: DispatchQueue
| `- error: cannot find type 'DispatchQueue' in scope
274 | }
275 |
/host/spi-builder-workspace/Sources/SwiftLogTesting/TestingLogHandler.swift:278:32: error: cannot find 'DispatchQueue' in scope
276 | private static var _containers: [ String: Container ] = [:]
277 | private static var _logLevels: [ String : Logger.Level] = [:]
278 | private static let queue = DispatchQueue(label: "LogMessages")
| `- error: cannot find 'DispatchQueue' in scope
279 | private static var isInitialized = false
280 |
[#DeprecatedDeclaration]: <https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration>
[12/12] Compiling SwiftLogTesting TestingLogHandler.swift
/host/spi-builder-workspace/Sources/SwiftLogTesting/TestingLogHandler.swift:4:8: 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 [#DeprecatedDeclaration]
2 | import Logging
3 |
4 | struct TestingLogHandler: 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 [#DeprecatedDeclaration]
5 |
6 | init (label: String) {
/host/spi-builder-workspace/.build/checkouts/swift-log/Sources/Logging/LogHandler.swift:256:17: note: 'log(event:)' declared here
143 | ///
144 | /// - Parameter event: The log event containing the level, message, metadata, and source location.
145 | func log(event: LogEvent)
| `- note: requirement 'log(event:)' declared here
146 |
147 | /// Please do _not_ implement this method when you create a `LogHandler` implementation.
:
254 | /// Implement ``log(event:)`` in your ``LogHandler`` instead.
255 | @available(*, deprecated, message: "You should implement this method instead of using the default implementation")
256 | public func log(event: LogEvent) {
| `- note: 'log(event:)' declared here
257 | self.log(
258 | level: event.level,
/host/spi-builder-workspace/Sources/SwiftLogTesting/TestingLogHandler.swift:273:28: error: cannot find type 'DispatchQueue' in scope
271 |
272 | private var _messages: [LogMessage] = []
273 | private let queue: DispatchQueue
| `- error: cannot find type 'DispatchQueue' in scope
274 | }
275 |
/host/spi-builder-workspace/Sources/SwiftLogTesting/TestingLogHandler.swift:278:32: error: cannot find 'DispatchQueue' in scope
276 | private static var _containers: [ String: Container ] = [:]
277 | private static var _logLevels: [ String : Logger.Level] = [:]
278 | private static let queue = DispatchQueue(label: "LogMessages")
| `- error: cannot find 'DispatchQueue' in scope
279 | private static var isInitialized = false
280 |
/host/spi-builder-workspace/Sources/SwiftLogTesting/TestingLogHandler.swift:219:26: error: cannot find 'DispatchQueue' in scope
217 | init (label: String) {
218 | self.label = label
219 | self.queue = DispatchQueue(label: "LogMessages.Container:\(label)")
| `- error: cannot find 'DispatchQueue' in scope
220 | }
221 |
[#DeprecatedDeclaration]: <https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration>
BUILD FAILURE 6.3 wasm