Build Information
Failed to build Adapt, reference main (9a1fb2), with Swift 6.4 for Wasm on 26 Sep 2026 22:58:48 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-53886770-0":/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>&1Build Log
========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/asaptf/swift-adapt.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/asaptf/swift-adapt
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 9a1fb29 docs: the blind test was never slow — correct the record
Cloned https://github.com/asaptf/swift-adapt.git
Revision (git rev-parse @):
9a1fb2989688ee3645352df1b7e5c50178e782d3
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/asaptf/swift-adapt.git at main
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.4
Building package at path: $PWD
https://github.com/asaptf/swift-adapt.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886770-0":/host -w "$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-argument-parser
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Computed https://github.com/ibireme/yyjson.git at 0.12.0 (1.47s)
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Computing version for https://github.com/apple/swift-asn1.git
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Creating working copy for https://github.com/ml-explore/mlx-swift-lm
Working copy of https://github.com/ml-explore/mlx-swift-lm resolved at 3.31.4
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Building for debugging...
[Computing dependencies]
[Constructing description]
[Pre-planning 1 / 2153]
[Planning 1237 / 2153]
[Planning 2085 / 2153]
[Planning deferred tasks]
[Constructing 487 / 5201]
[Starting]
warning: no rule to process file '/host/spi-builder-workspace/.build/checkouts/mlx-swift/Source/Cmlx/mlx-generated/metal/arg_reduce.metal' of type 'sourcecode.metal' for architecture 'wasm32'
warning: no rule to process file '/host/spi-builder-workspace/.build/checkouts/mlx-swift/Source/Cmlx/mlx-generated/metal/conv.metal' of type 'sourcecode.metal' for architecture 'wasm32'
warning: no rule to process file '/host/spi-builder-workspace/.build/checkouts/mlx-swift/Source/Cmlx/mlx-generated/metal/gemv.metal' of type 'sourcecode.metal' for architecture 'wasm32'
warning: no rule to process file '/host/spi-builder-workspace/.build/checkouts/mlx-swift/Source/Cmlx/mlx-generated/metal/layer_norm.metal' of type 'sourcecode.metal' for architecture 'wasm32'
warning: no rule to process file '/host/spi-builder-workspace/.build/checkouts/mlx-swift/Source/Cmlx/mlx-generated/metal/random.metal' of type 'sourcecode.metal' for architecture 'wasm32'
warning: no rule to process file '/host/spi-builder-workspace/.build/checkouts/mlx-swift/Source/Cmlx/mlx-generated/metal/rms_norm.metal' of type 'sourcecode.metal' for architecture 'wasm32'
warning: no rule to process file '/host/spi-builder-workspace/.build/checkouts/mlx-swift/Source/Cmlx/mlx-generated/metal/rope.metal' of type 'sourcecode.metal' for architecture 'wasm32'
warning: no rule to process file '/host/spi-builder-workspace/.build/checkouts/mlx-swift/Source/Cmlx/mlx-generated/metal/scaled_dot_product_attention.metal' of type 'sourcecode.metal' for architecture 'wasm32'
warning: no rule to process file '/host/spi-builder-workspace/.build/checkouts/mlx-swift/Source/Cmlx/mlx-generated/metal/steel/attn/kernels/steel_attention.metal' of type 'sourcecode.metal' for architecture 'wasm32'
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error: SwiftCompile normal wasm32 failed with a nonzero exit code. Command line: cd /host
/host/spi-builder-workspace/.build/checkouts/EventSource/Sources/EventSource/EventSource.swift:346:25: [1;31merror: [1;39mcannot find type 'URLRequest' in scope[0;0m
[0;36m344 |[0;0m
[0;36m345 |[0;0m /// The request used for the event source connection.
[0;36m346 |[0;0m public let request: [4;39mURLRequest[0;0m
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find type 'URLRequest' in scope[0;0m
[0;36m347 |[0;0m
[0;36m348 |[0;0m /// The URL session for the event source connection.
/host/spi-builder-workspace/.build/checkouts/EventSource/Sources/EventSource/EventSource.swift:349:26: [1;31merror: [1;39m'URLSession' is unavailable: This type has moved to the FoundationNetworking module. Import that module to use it.[0;0m
[0;36m347 |[0;0m
[0;36m348 |[0;0m /// The URL session for the event source connection.
[0;36m349 |[0;0m private let session: [4;39mURLSession[0;0m
[0;36m|[0;0m `- [1;31merror: [1;39m'URLSession' is unavailable: This type has moved to the FoundationNetworking module. Import that module to use it.[0;0m
[0;36m350 |[0;0m
[0;36m351 |[0;0m /// The task managing the connection loop.
Foundation.URLSession:2:18: [1;39mnote: [1;39m'URLSession' has been explicitly marked unavailable here[0;0m
[0;36m1 |[0;0m @available(*, unavailable, message: "This type has moved to the FoundationNetworking module. Import that module to use it.")
[0;36m2 |[0;0m public typealias URLSession = AnyObject
[0;36m|[0;0m `- [1;39mnote: [1;39m'URLSession' has been explicitly marked unavailable here[0;0m
/host/spi-builder-workspace/.build/checkouts/EventSource/Sources/EventSource/EventSource.swift:498:18: [1;31merror: [1;39mcannot find type 'URLRequest' in scope[0;0m
[0;36m496 |[0;0m /// Defaults to `.default`.
[0;36m497 |[0;0m public init(
[0;36m498 |[0;0m request: [4;39mURLRequest[0;0m,
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find type 'URLRequest' in scope[0;0m
[0;36m499 |[0;0m configuration: URLSessionConfiguration = .default
[0;36m500 |[0;0m ) {
/host/spi-builder-workspace/.build/checkouts/EventSource/Sources/EventSource/EventSource.swift:499:24: [1;31merror: [1;39m'URLSessionConfiguration' is unavailable: This type has moved to the FoundationNetworking module. Import that module to use it.[0;0m
[0;36m497 |[0;0m public init(
[0;36m498 |[0;0m request: URLRequest,
[0;36m499 |[0;0m configuration: [4;39mURLSessionConfiguration[0;0m = .default
[0;36m|[0;0m `- [1;31merror: [1;39m'URLSessionConfiguration' is unavailable: This type has moved to the FoundationNetworking module. Import that module to use it.[0;0m
[0;36m500 |[0;0m ) {
[0;36m501 |[0;0m self.session = URLSession(configuration: configuration)
Foundation.URLSessionConfiguration:2:18: [1;39mnote: [1;39m'URLSessionConfiguration' has been explicitly marked unavailable here[0;0m
[0;36m1 |[0;0m @available(*, unavailable, message: "This type has moved to the FoundationNetworking module. Import that module to use it.")
[0;36m2 |[0;0m public typealias URLSessionConfiguration = AnyObject
[0;36m|[0;0m `- [1;39mnote: [1;39m'URLSessionConfiguration' has been explicitly marked unavailable here[0;0m
/host/spi-builder-workspace/.build/checkouts/EventSource/Sources/EventSource/EventSource.swift:499:51: [1;31merror: [1;39mtype 'URLSessionConfiguration' (aka 'AnyObject') has no member 'default'[0;0m
[0;36m497 |[0;0m public init(
[0;36m498 |[0;0m request: URLRequest,
[0;36m499 |[0;0m configuration: URLSessionConfiguration = [4;39m.default[0;0m
[0;36m|[0;0m `- [1;31merror: [1;39mtype 'URLSessionConfiguration' (aka 'AnyObject') has no member 'default'[0;0m
[0;36m500 |[0;0m ) {
[0;36m501 |[0;0m self.session = URLSession(configuration: configuration)
/host/spi-builder-workspace/.build/checkouts/EventSource/Sources/EventSource/EventSource.swift:499:51: [1;31merror: [1;39mvalue of type '_' expected to be instance of class or class-constrained type[0;0m
[0;36m497 |[0;0m public init(
[0;36m498 |[0;0m request: URLRequest,
[0;36m499 |[0;0m configuration: URLSessionConfiguration = .default
[0;36m|[0;0m `- [1;31merror: [1;39mvalue of type '_' expected to be instance of class or class-constrained type[0;0m
[0;36m500 |[0;0m ) {
[0;36m501 |[0;0m self.session = URLSession(configuration: configuration)
/host/spi-builder-workspace/.build/checkouts/EventSource/Sources/EventSource/EventSource.swift:740:55: [1;31merror: [1;39m'HTTPURLResponse' is unavailable: This type has moved to the FoundationNetworking module. Import that module to use it.[0;0m
[0;36m738 |[0;0m #endif
[0;36m739 |[0;0m
[0;36m740 |[0;0m private func validateHTTPResponse(_ httpResponse: [4;39mHTTPURLResponse[0;0m) throws {
[0;36m|[0;0m `- [1;31merror: [1;39m'HTTPURLResponse' is unavailable: This type has moved to the FoundationNetworking module. Import that module to use it.[0;0m
[0;36m741 |[0;0m let status = httpResponse.statusCode
[0;36m742 |[0;0m if status != 200 {
Foundation.HTTPURLResponse:2:18: [1;39mnote: [1;39m'HTTPURLResponse' has been explicitly marked unavailable here[0;0m
[0;36m1 |[0;0m @available(*, unavailable, message: "This type has moved to the FoundationNetworking module. Import that module to use it.")
[0;36m2 |[0;0m public typealias HTTPURLResponse = AnyObject
[0;36m|[0;0m `- [1;39mnote: [1;39m'HTTPURLResponse' has been explicitly marked unavailable here[0;0m
/host/spi-builder-workspace/.build/checkouts/EventSource/Sources/EventSource/EventSource.swift:482:23: [1;31merror: [1;39mcannot find 'URLRequest' in scope[0;0m
[0;36m480 |[0;0m /// - Parameter url: The URL to open the SSE connection to.
[0;36m481 |[0;0m public init(url: URL) {
[0;36m482 |[0;0m var request = [4;39mURLRequest[0;0m(url: url)
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find 'URLRequest' in scope[0;0m
[0;36m483 |[0;0m request.setValue("text/event-stream", forHTTPHeaderField: "Accept")
[0;36m484 |[0;0m request.setValue("no-cache", forHTTPHeaderField: "Cache-Control")
/host/spi-builder-workspace/.build/checkouts/EventSource/Sources/EventSource/EventSource.swift:485:18: [1;31merror: [1;39mincorrect argument label in call (have 'request:', expected 'url:')[0;0m
[0;36m483 |[0;0m request.setValue("text/event-stream", forHTTPHeaderField: "Accept")
[0;36m484 |[0;0m request.setValue("no-cache", forHTTPHeaderField: "Cache-Control")
[0;36m485 |[0;0m self.init(request: request)
[0;36m|[0;0m `- [1;31merror: [1;39mincorrect argument label in call (have 'request:', expected 'url:')[0;0m
[0;36m486 |[0;0m }
[0;36m487 |[0;0m
/host/spi-builder-workspace/.build/checkouts/EventSource/Sources/EventSource/EventSource.swift:501:24: [1;31merror: [1;39mvalue of type '_' expected to be an instance of a class or class-constrained type in assignment[0;0m
[0;36m499 |[0;0m configuration: URLSessionConfiguration = .default
[0;36m500 |[0;0m ) {
[0;36m501 |[0;0m self.session = [4;39mURLSession(configuration: configuration)[0;0m
[0;36m|[0;0m `- [1;31merror: [1;39mvalue of type '_' expected to be an instance of a class or class-constrained type in assignment[0;0m
[0;36m502 |[0;0m self.request = request
[0;36m503 |[0;0m Task { [weak self] in
/host/spi-builder-workspace/.build/checkouts/EventSource/Sources/EventSource/EventSource.swift:501:24: [1;31merror: [1;39m'URLSession' (aka 'AnyObject') cannot be constructed because it has no accessible initializers[0;0m
[0;36m499 |[0;0m configuration: URLSessionConfiguration = .default
[0;36m500 |[0;0m ) {
[0;36m501 |[0;0m self.session = [4;39mURLSession[0;0m(configuration: configuration)
[0;36m|[0;0m `- [1;31merror: [1;39m'URLSession' (aka 'AnyObject') cannot be constructed because it has no accessible initializers[0;0m
[0;36m502 |[0;0m self.request = request
[0;36m503 |[0;0m Task { [weak self] in
Failed frontend command:
/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /host/spi-builder-workspace/.build/checkouts/EventSource/Sources/EventSource/AsyncEventsSequence.swift /host/spi-builder-workspace/.build/checkouts/EventSource/Sources/EventSource/AsyncSequence+Events.swift /host/spi-builder-workspace/.build/checkouts/EventSource/Sources/EventSource/EventSource+AsyncHTTPClient.swift /host/spi-builder-workspace/.build/checkouts/EventSource/Sources/EventSource/EventSource.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 -suppress-warnings -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 -user-module-version 1.5.1 -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/EventSource.build/Debug-webassembly-wasm32/EventSource-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/EventSource.build/Debug-webassembly-wasm32/EventSource-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/EventSource.build/Debug-webassembly-wasm32/EventSource-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name EventSource -package-name eventsource -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/EventSource.build/Debug-webassembly-wasm32/EventSource-t.build/Objects-normal/wasm32/EventSource_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/EventSource.build/Debug-webassembly-wasm32/EventSource-t.build/Objects-normal/wasm32/Modules/EventSource.swiftdoc -emit-module-source-info-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/EventSource.build/Debug-webassembly-wasm32/EventSource-t.build/Objects-normal/wasm32/Modules/EventSource.swiftsourceinfo -emit-objc-header-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/EventSource.build/Debug-webassembly-wasm32/EventSource-t.build/Objects-normal/wasm32/EventSource-Swift.h -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/EventSource.build/Debug-webassembly-wasm32/EventSource-t.build/Objects-normal/wasm32/EventSource-primary-emit-module.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/EventSource.build/Debug-webassembly-wasm32/EventSource-t.build/Objects-normal/wasm32/EventSource-primary-emit-module.d -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/EventSource.build/Debug-webassembly-wasm32/EventSource-t.build/Objects-normal/wasm32/Modules/EventSource.swiftmodule
error: Build failed
BUILD FAILURE 6.4 wasm