Swift Package IndexBuild Information
Failed to build JSONSession, reference main (c4a158), with Swift 6.2 for Wasm on 6 Mar 2026 23:56:12 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/finestructure/spi-images:wasm-6.2-latest swift build --swift-sdk wasm32-unknown-wasip1 2>&1Build Log
========================================
RunAll
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Builder version: 4.68.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/elegantchaos/JSONSession.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/JSONSession
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at c4a1580 Merge pull request #2 from elegantchaos/feature/session-actor
Cloned https://github.com/elegantchaos/JSONSession.git
Revision (git rev-parse @):
c4a1580e21f58e30dea3086cfdf59fa96e6ef166
SUCCESS checkout https://github.com/elegantchaos/JSONSession.git at main
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.2
Building package at path: $PWD
https://github.com/elegantchaos/JSONSession.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/finestructure/spi-images:wasm-6.2-latest swift build --swift-sdk wasm32-unknown-wasip1 2>&1
wasm-6.2-latest: Pulling from finestructure/spi-images
Digest: sha256:c50555b47c4db0b0576f9f25702fbe2fdff28194c4a4f4c23a7dce4b3504c85e
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:wasm-6.2-latest
warning: multiple Swift SDKs match target triple `wasm32-unknown-wasip1` and host triple x86_64-unknown-linux-gnu, selected one at /root/.swiftpm/swift-sdks/swift-6.2-RELEASE_wasm.artifactbundle/swift-6.2-RELEASE_wasm/wasm32-unknown-wasip1/swift-sdk.json
Fetching https://github.com/elegantchaos/Logger.git
Fetching https://github.com/elegantchaos/ActionBuilderPlugin.git
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Fetched https://github.com/elegantchaos/ActionBuilderPlugin.git from cache (0.34s)
Fetched https://github.com/elegantchaos/Logger.git from cache (0.39s)
Computing version for https://github.com/elegantchaos/Logger.git
Computed https://github.com/elegantchaos/Logger.git at 2.0.1 (3.67s)
Computing version for https://github.com/elegantchaos/ActionBuilderPlugin.git
Computed https://github.com/elegantchaos/ActionBuilderPlugin.git at 2.1.2 (0.38s)
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Computing version for https://github.com/elegantchaos/ActionBuilderCore.git
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Computing version for https://github.com/elegantchaos/Versionator.git
Computed https://github.com/elegantchaos/Versionator.git at 2.1.1 (1.11s)
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Computing version for https://github.com/elegantchaos/Runner.git
Computed https://github.com/elegantchaos/Runner.git at 2.1.5 (0.32s)
Fetching https://github.com/elegantchaos/ChaosByteStreams
[1/129] Fetching chaosbytestreams
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Computing version for https://github.com/elegantchaos/ChaosByteStreams
Computed https://github.com/elegantchaos/ChaosByteStreams at 1.0.7 (0.56s)
Computing version for https://github.com/swiftlang/swift-subprocess.git
Computed https://github.com/swiftlang/swift-subprocess.git at 0.3.0 (0.42s)
Fetching https://github.com/apple/swift-system
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Fetched https://github.com/apple/swift-system from cache (0.42s)
Computing version for https://github.com/apple/swift-system
Computed https://github.com/apple/swift-system at 1.6.4 (1.06s)
Creating working copy for https://github.com/apple/swift-system
Working copy of https://github.com/apple/swift-system resolved at 1.6.4
Creating working copy for https://github.com/elegantchaos/ActionBuilderPlugin.git
Working copy of https://github.com/elegantchaos/ActionBuilderPlugin.git resolved at 2.1.2
Creating working copy for https://github.com/elegantchaos/Runner.git
Working copy of https://github.com/elegantchaos/Runner.git resolved at 2.1.5
Creating working copy for https://github.com/elegantchaos/ActionBuilderCore.git
Working copy of https://github.com/elegantchaos/ActionBuilderCore.git resolved at 2.1.6
Creating working copy for https://github.com/elegantchaos/SemanticVersion.git
Working copy of https://github.com/elegantchaos/SemanticVersion.git resolved at 1.1.2
Creating working copy for https://github.com/elegantchaos/Logger.git
Working copy of https://github.com/elegantchaos/Logger.git resolved at 2.0.1
Creating working copy for https://github.com/elegantchaos/ChaosByteStreams
Working copy of https://github.com/elegantchaos/ChaosByteStreams resolved at 1.0.7
Creating working copy for https://github.com/swiftlang/swift-subprocess.git
Working copy of https://github.com/swiftlang/swift-subprocess.git resolved at 0.3.0
Creating working copy for https://github.com/elegantchaos/Versionator.git
Working copy of https://github.com/elegantchaos/Versionator.git resolved at 2.1.1
[0/13] Write sources
[4/13] Compiling _SubprocessCShims process_shims.c
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[6/13] Write swift-version-24593BA9C3E375BF.txt
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[30/50] Compiling SystemPackage RawBuffer.swift
[31/50] Emitting module VersionatorUtils
[32/50] Compiling VersionatorUtils String+AsyncSequence.swift
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[35/51] Compiling SystemPackage SystemString.swift
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[49/74] Compiling Subprocess Subprocess+Windows.swift
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[78/80] Write Objects.LinkFileList
[79/80] Linking VersionatorTool-tool
[1/1] Compiling plugin ActionBuilderPlugin
[2/2] Compiling plugin VersionatorPlugin
Building for debugging...
[2/5] Write sources
[4/5] Write swift-version-24593BA9C3E375BF.txt
[6/19] Compiling Logger BasicHandler.swift
[7/19] Compiling Logger Handler.swift
[8/20] Compiling Logger YieldingSequence.swift
[9/20] Compiling Logger UserDefaultsManagerSettings.swift
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[12/20] Compiling Logger PrintHandler.swift
[13/20] Compiling Logger StreamHandler.swift
[14/20] Compiling Logger Manager.swift
/host/spi-builder-workspace/.build/checkouts/Logger/Sources/Logger/Manager.swift:116:24: error: cannot find 'Thread' in scope
114 | /// We really do want there to only be a single instance of this, even if the logger library has mistakenly been
115 | /// linked multiple times, so we store it in the thread dictionary for the main thread, and retrieve it from there if necessary
116 | if let manager = Thread.main.threadDictionary["Logger.Manager"] {
| `- error: cannot find 'Thread' in scope
117 | return unsafeBitCast(manager as AnyObject, to: Self.self) // a normal cast might fail here if the code has been linked multiple times, since the class could be different (but identical)
118 | }
/host/spi-builder-workspace/.build/checkouts/Logger/Sources/Logger/Manager.swift:124:7: error: cannot find 'Thread' in scope
122 |
123 | #if !os(Linux)
124 | Thread.main.threadDictionary["Logger.Manager"] = manager
| `- error: cannot find 'Thread' in scope
125 | #endif
126 |
[15/20] Compiling Logger ManagerSettings.swift
/host/spi-builder-workspace/.build/checkouts/Logger/Sources/Logger/Manager.swift:116:24: error: cannot find 'Thread' in scope
114 | /// We really do want there to only be a single instance of this, even if the logger library has mistakenly been
115 | /// linked multiple times, so we store it in the thread dictionary for the main thread, and retrieve it from there if necessary
116 | if let manager = Thread.main.threadDictionary["Logger.Manager"] {
| `- error: cannot find 'Thread' in scope
117 | return unsafeBitCast(manager as AnyObject, to: Self.self) // a normal cast might fail here if the code has been linked multiple times, since the class could be different (but identical)
118 | }
/host/spi-builder-workspace/.build/checkouts/Logger/Sources/Logger/Manager.swift:124:7: error: cannot find 'Thread' in scope
122 |
123 | #if !os(Linux)
124 | Thread.main.threadDictionary["Logger.Manager"] = manager
| `- error: cannot find 'Thread' in scope
125 | #endif
126 |
[16/20] Compiling Logger Context.swift
[17/20] Compiling Logger Defaults.swift
[18/20] Emitting module Logger
[19/20] Compiling Logger Channel.swift
[20/20] Compiling Logger ChannelsWatcher.swift
BUILD FAILURE 6.2 wasm