javascript-core-extras – Build Information

Build Information

Failed to build javascript-core-extras, reference 0.1.1 (b7cb62), with Swift 6.4 for Wasm on 17 Sep 2026 10:50:47 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-53886770-2":/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/mhayes853/javascript-core-extras.git
Reference: 0.1.1
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/mhayes853/javascript-core-extras
 * tag               0.1.1      -> FETCH_HEAD
HEAD is now at b7cb62f Merge pull request #3 from mhayes853/fix-tv-os-build
Cloned https://github.com/mhayes853/javascript-core-extras.git
Revision (git rev-parse @):
b7cb62f776e838ce3f6a3e33ac025c7850bc2566
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/mhayes853/javascript-core-extras.git at 0.1.1
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/mhayes853/javascript-core-extras.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886770-2":/host -w "$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/pointfreeco/swift-snapshot-testing
Fetching https://github.com/pointfreeco/swift-custom-dump
Fetching https://github.com/pointfreeco/swift-clocks
Fetching https://github.com/pointfreeco/xctest-dynamic-overlay
[1/5655] Fetching swift-custom-dump
[5374/7101] Fetching swift-custom-dump, swift-clocks
[6972/9828] Fetching swift-custom-dump, swift-clocks, xctest-dynamic-overlay
Fetched https://github.com/pointfreeco/swift-clocks (0.68s)
Fetched https://github.com/pointfreeco/swift-custom-dump (0.68s)
Fetched https://github.com/pointfreeco/xctest-dynamic-overlay (0.69s)
[1/16416] Fetching swift-snapshot-testing
Fetched https://github.com/pointfreeco/swift-snapshot-testing (2.23s)
Computing version for https://github.com/pointfreeco/swift-clocks
Computed https://github.com/pointfreeco/swift-clocks at 1.1.1 (2.43s)
Fetching https://github.com/pointfreeco/swift-issue-reporting
Fetching https://github.com/pointfreeco/swift-concurrency-extras
[1/1058] Fetching swift-concurrency-extras
Fetched https://github.com/pointfreeco/swift-concurrency-extras (0.49s)
[1/6136] Fetching swift-issue-reporting
Fetched https://github.com/pointfreeco/swift-issue-reporting (0.76s)
Computing version for https://github.com/pointfreeco/swift-issue-reporting
Computed https://github.com/pointfreeco/swift-issue-reporting at 2.1.0 (1.87s)
Computing version for https://github.com/pointfreeco/swift-concurrency-extras
Computed https://github.com/pointfreeco/swift-concurrency-extras at 1.4.1 (0.19s)
Computing version for https://github.com/pointfreeco/swift-custom-dump
Computed https://github.com/pointfreeco/swift-custom-dump at 1.7.3 (0.19s)
Computing version for https://github.com/pointfreeco/swift-snapshot-testing
Computed https://github.com/pointfreeco/swift-snapshot-testing at 1.19.5 (0.17s)
Fetching https://github.com/swiftlang/swift-syntax
[1/79926] Fetching swift-syntax
Fetched https://github.com/swiftlang/swift-syntax (4.18s)
Computing version for https://github.com/swiftlang/swift-syntax
Computed https://github.com/swiftlang/swift-syntax at 604.0.0 (5.58s)
Computing version for https://github.com/pointfreeco/xctest-dynamic-overlay
Computed https://github.com/pointfreeco/xctest-dynamic-overlay at 1.13.1 (0.26s)
Creating working copy for https://github.com/pointfreeco/swift-custom-dump
Working copy of https://github.com/pointfreeco/swift-custom-dump resolved at 1.7.3
Creating working copy for https://github.com/swiftlang/swift-syntax
Working copy of https://github.com/swiftlang/swift-syntax resolved at 604.0.0
Creating working copy for https://github.com/pointfreeco/swift-concurrency-extras
Working copy of https://github.com/pointfreeco/swift-concurrency-extras resolved at 1.4.1
Creating working copy for https://github.com/pointfreeco/swift-issue-reporting
Working copy of https://github.com/pointfreeco/swift-issue-reporting resolved at 2.1.0
Creating working copy for https://github.com/pointfreeco/swift-clocks
Working copy of https://github.com/pointfreeco/swift-clocks resolved at 1.1.1
Creating working copy for https://github.com/pointfreeco/xctest-dynamic-overlay
Working copy of https://github.com/pointfreeco/xctest-dynamic-overlay resolved at 1.13.1
Creating working copy for https://github.com/pointfreeco/swift-snapshot-testing
Working copy of https://github.com/pointfreeco/swift-snapshot-testing resolved at 1.19.5
warning: 'spi-builder-workspace': found 2 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
    /host/spi-builder-workspace/Tests/JavaScriptCoreExtrasTests/FetchTests/__Snapshots__/JSFetchTests/liveFetch.1.html
    /host/spi-builder-workspace/Tests/JavaScriptCoreExtrasTests/FetchTests/__Snapshots__/JSFetchTests/liveFetchLarge.1.txt
Building for debugging...
[Computing dependencies]
[Pre-planning 1 / 185]
[Planning deferred tasks]
[48 / 72]
[58 / 81] IssueReporting
[59 / 81] IssueReporting
[67 / 84] _IssueReporting
[74 / 86] _IssueReporting
[75 / 86] JavaScriptCoreExtras
[79 / 95] JavaScriptCoreExtras
error: SwiftCompile normal wasm32 /host/spi-builder-workspace/Sources/JavaScriptCoreExtras/Blob/MIMEType.swift failed with a nonzero exit code. Command line:     cd /host
    builtin-SwiftPerFileCompile MIMEType.swift
error: SwiftCompile normal wasm32 /host/spi-builder-workspace/Sources/JavaScriptCoreExtras/Exports.swift failed with a nonzero exit code. Command line:     cd /host
    builtin-SwiftPerFileCompile Exports.swift
error: SwiftCompile normal wasm32 /host/spi-builder-workspace/Sources/JavaScriptCoreExtras/Fetch/JSFetch.swift failed with a nonzero exit code. Command line:     cd /host
    builtin-SwiftPerFileCompile JSFetch.swift
/host/spi-builder-workspace/Sources/JavaScriptCoreExtras/Blob/JSBlob.swift:1:24: [1;31merror: [1;39mno such module 'JavaScriptCore'[0;0m
  [0;36m1 |[0;0m @preconcurrency import JavaScriptCore
    [0;36m|[0;0m                        `- [1;31merror: [1;39mno such module 'JavaScriptCore'[0;0m
  [0;36m2 |[0;0m
  [0;36m3 |[0;0m // MARK: - JSBlob
Failed frontend command:
/usr/bin/swift-frontend -frontend -c /host/spi-builder-workspace/.build/out/Intermediates.noindex/javascript-core-extras.build/Debug-webassembly-wasm32/JavaScriptCoreExtras-t.build/DerivedSources/resource_bundle_accessor.swift /host/spi-builder-workspace/Sources/JavaScriptCoreExtras/Blob/JSBlob.swift /host/spi-builder-workspace/Sources/JavaScriptCoreExtras/Blob/JSBlobStorage.swift /host/spi-builder-workspace/Sources/JavaScriptCoreExtras/Blob/JSFile.swift -primary-file /host/spi-builder-workspace/Sources/JavaScriptCoreExtras/Blob/MIMEType.swift -primary-file /host/spi-builder-workspace/Sources/JavaScriptCoreExtras/Exports.swift -primary-file /host/spi-builder-workspace/Sources/JavaScriptCoreExtras/Fetch/JSFetch.swift /host/spi-builder-workspace/Sources/JavaScriptCoreExtras/Fetch/JSReponse.swift /host/spi-builder-workspace/Sources/JavaScriptCoreExtras/Fetch/JSRequest.swift /host/spi-builder-workspace/Sources/JavaScriptCoreExtras/Internal/FileTextOutputStream.swift /host/spi-builder-workspace/Sources/JavaScriptCoreExtras/Internal/Lock.swift /host/spi-builder-workspace/Sources/JavaScriptCoreExtras/Internal/NSFileCoordinator+Coordinate.swift /host/spi-builder-workspace/Sources/JavaScriptCoreExtras/Internal/URL+HasHTTPScheme.swift /host/spi-builder-workspace/Sources/JavaScriptCoreExtras/JSAbortController.swift /host/spi-builder-workspace/Sources/JavaScriptCoreExtras/JSConsoleLogger.swift /host/spi-builder-workspace/Sources/JavaScriptCoreExtras/JSContext+SetObject.swift /host/spi-builder-workspace/Sources/JavaScriptCoreExtras/JSContextInstallable.swift /host/spi-builder-workspace/Sources/JavaScriptCoreExtras/JSCrypto.swift /host/spi-builder-workspace/Sources/JavaScriptCoreExtras/JSPromise.swift /host/spi-builder-workspace/Sources/JavaScriptCoreExtras/JSValue+PrivateSymbol.swift /host/spi-builder-workspace/Sources/JavaScriptCoreExtras/JSValue+TypeError.swift /host/spi-builder-workspace/Sources/JavaScriptCoreExtras/JSValue+Utils.swift /host/spi-builder-workspace/Sources/JavaScriptCoreExtras/JSValueError.swift /host/spi-builder-workspace/Sources/JavaScriptCoreExtras/JSVirtualMachinePool.swift /host/spi-builder-workspace/Sources/JavaScriptCoreExtras/UnsafeJSValueTransfer.swift -supplementary-output-file-map /host/spi-builder-workspace/.build/out/Intermediates.noindex/javascript-core-extras.build/Debug-webassembly-wasm32/JavaScriptCoreExtras-t.build/Objects-normal/wasm32/supplementaryOutputs-9 -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 6 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_AVAILABLE -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 -fmodule-map-file\=/host/spi-builder-workspace/.build/out/Intermediates.noindex/GeneratedModuleMaps-webassembly-wasm32/_CJavaScriptCoreExtras.modulemap -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/Sources/_CJavaScriptCoreExtras/include -Xcc -I/host/spi-builder-workspace/.build/out/Products/Debug-webassembly-wasm32/include -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/javascript-core-extras.build/Debug-webassembly-wasm32/JavaScriptCoreExtras-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/javascript-core-extras.build/Debug-webassembly-wasm32/JavaScriptCoreExtras-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/javascript-core-extras.build/Debug-webassembly-wasm32/JavaScriptCoreExtras-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name JavaScriptCoreExtras -package-name spi_builder_workspace -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/javascript-core-extras.build/Debug-webassembly-wasm32/JavaScriptCoreExtras-t.build/Objects-normal/wasm32/JavaScriptCoreExtras_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/javascript-core-extras.build/Debug-webassembly-wasm32/JavaScriptCoreExtras-t.build/Objects-normal/wasm32/MIMEType.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/javascript-core-extras.build/Debug-webassembly-wasm32/JavaScriptCoreExtras-t.build/Objects-normal/wasm32/Exports.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/javascript-core-extras.build/Debug-webassembly-wasm32/JavaScriptCoreExtras-t.build/Objects-normal/wasm32/JSFetch.o -index-unit-output-path /javascript-core-extras.build/Debug-webassembly-wasm32/JavaScriptCoreExtras-t.build/Objects-normal/wasm32/MIMEType.o -index-unit-output-path /javascript-core-extras.build/Debug-webassembly-wasm32/JavaScriptCoreExtras-t.build/Objects-normal/wasm32/Exports.o -index-unit-output-path /javascript-core-extras.build/Debug-webassembly-wasm32/JavaScriptCoreExtras-t.build/Objects-normal/wasm32/JSFetch.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 wasm