Build Information
Failed to build FoundationRadar, reference main (3f5a46), with Swift 6.4 for Wasm on 26 Sep 2026 01:45:14 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-53886770-1":/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/NagaYu/FoundationRadar.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/NagaYu/FoundationRadar
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 3f5a466 Set 0.1.0 release date
Cloned https://github.com/NagaYu/FoundationRadar.git
Revision (git rev-parse @):
3f5a466095d846c840efaf01cde9d3c79e87bcd0
SUCCESS checkout https://github.com/NagaYu/FoundationRadar.git at main
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.4
Building package at path: $PWD
https://github.com/NagaYu/FoundationRadar.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886770-1":/host -w "$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
warning: 'spi-builder-workspace': found 1 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
/host/spi-builder-workspace/Examples/RadarCLI/README.md
Building for debugging...
[Planning deferred tasks]
[31 / 42] FoundationRadar
error: SwiftCompile normal wasm32 /host/spi-builder-workspace/Sources/FoundationRadar/History.swift failed with a nonzero exit code. Command line: cd /host
builtin-SwiftPerFileCompile History.swift
/host/spi-builder-workspace/Sources/FoundationRadar/History.swift:66:15: [1;31merror: [1;39mcannot find 'sysctlbyname' in scope[0;0m
[0;36m64 |[0;0m static func string(for key: String) -> String? {
[0;36m65 |[0;0m var size = 0
[0;36m66 |[0;0m guard [4;39msysctlbyname[0;0m(key, nil, &size, nil, 0) == 0, size > 0 else { return nil }
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find 'sysctlbyname' in scope[0;0m
[0;36m67 |[0;0m var buffer = [CChar](repeating: 0, count: size)
[0;36m68 |[0;0m guard sysctlbyname(key, &buffer, &size, nil, 0) == 0 else { return nil }
/host/spi-builder-workspace/Sources/FoundationRadar/History.swift:68:15: [1;31merror: [1;39mcannot find 'sysctlbyname' in scope[0;0m
[0;36m66 |[0;0m guard sysctlbyname(key, nil, &size, nil, 0) == 0, size > 0 else { return nil }
[0;36m67 |[0;0m var buffer = [CChar](repeating: 0, count: size)
[0;36m68 |[0;0m guard [4;39msysctlbyname[0;0m(key, &buffer, &size, nil, 0) == 0 else { return nil }
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find 'sysctlbyname' in scope[0;0m
[0;36m69 |[0;0m return buffer.withUnsafeBufferPointer { pointer in
[0;36m70 |[0;0m guard let base = pointer.baseAddress else { return nil }
/host/spi-builder-workspace/Sources/FoundationRadar/History.swift:167:51: [1;31merror: [1;39m'atomic' is unavailable: atomic writing is unavailable in WASI because temporary files are not supported[0;0m
[0;36m165 |[0;0m at: directory, withIntermediateDirectories: true
[0;36m166 |[0;0m )
[0;36m167 |[0;0m try data.write(to: fileURL, options: .[4;39matomic[0;0m)
[0;36m|[0;0m `- [1;31merror: [1;39m'atomic' is unavailable: atomic writing is unavailable in WASI because temporary files are not supported[0;0m
[0;36m168 |[0;0m } catch {
[0;36m169 |[0;0m throw RadarError.historyIO(String(describing: error))
FoundationEssentials.Data.WritingOptions.atomic:4:23: [1;39mnote: [1;39m'atomic' has been explicitly marked unavailable here[0;0m
[0;36m2 |[0;0m struct WritingOptions {
[0;36m3 |[0;0m @available(*, unavailable, message: "atomic writing is unavailable in WASI because temporary files are not supported")
[0;36m4 |[0;0m public static let atomic: Data.WritingOptions }
[0;36m|[0;0m `- [1;39mnote: [1;39m'atomic' has been explicitly marked unavailable here[0;0m
[0;36m5 |[0;0m }
[0;36m6 |[0;0m
Failed frontend command:
/usr/bin/swift-frontend -frontend -c /host/spi-builder-workspace/Sources/FoundationRadar/Availability.swift /host/spi-builder-workspace/Sources/FoundationRadar/ContextMeasurement.swift /host/spi-builder-workspace/Sources/FoundationRadar/FoundationRadar.swift -primary-file /host/spi-builder-workspace/Sources/FoundationRadar/History.swift /host/spi-builder-workspace/Sources/FoundationRadar/LatencyBenchmark.swift /host/spi-builder-workspace/Sources/FoundationRadar/PCCSignals.swift /host/spi-builder-workspace/Sources/FoundationRadar/RadarError.swift /host/spi-builder-workspace/Sources/FoundationRadar/Report.swift -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/FoundationRadar.build/Debug-webassembly-wasm32/FoundationRadar-t.build/Objects-normal/wasm32/History.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/FoundationRadar.build/Debug-webassembly-wasm32/FoundationRadar-t.build/Objects-normal/wasm32/History.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/FoundationRadar.build/Debug-webassembly-wasm32/FoundationRadar-t.build/Objects-normal/wasm32/History.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/FoundationRadar.build/Debug-webassembly-wasm32/FoundationRadar-t.build/Objects-normal/wasm32/History.dia -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_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/FoundationRadar.build/Debug-webassembly-wasm32/FoundationRadar-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/FoundationRadar.build/Debug-webassembly-wasm32/FoundationRadar-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/FoundationRadar.build/Debug-webassembly-wasm32/FoundationRadar-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name FoundationRadar -package-name spi_builder_workspace -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/FoundationRadar.build/Debug-webassembly-wasm32/FoundationRadar-t.build/Objects-normal/wasm32/FoundationRadar_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/FoundationRadar.build/Debug-webassembly-wasm32/FoundationRadar-t.build/Objects-normal/wasm32/History.o -index-unit-output-path /FoundationRadar.build/Debug-webassembly-wasm32/FoundationRadar-t.build/Objects-normal/wasm32/History.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 wasm