Swift Package IndexBuild Information
Failed to build KituraContracts, reference 2.1.0 (b98f08), with Swift 6.4 for Wasm on 26 Sep 2026 07:52:42 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-54344845-1":/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
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Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Kitura/KituraContracts.git
Reference: 2.1.0
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/Kitura/KituraContracts
* tag 2.1.0 -> FETCH_HEAD
HEAD is now at b98f087 Merge pull request #67 from Kitura/Issue-65-2.1.0
Cloned https://github.com/Kitura/KituraContracts.git
Revision (git rev-parse @):
b98f087943d308e2e4331def11d7bbbe46a76dcd
SUCCESS checkout https://github.com/Kitura/KituraContracts.git at 2.1.0
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.4
Building package at path: $PWD
https://github.com/Kitura/KituraContracts.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344845-1":/host -w "$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
Fetching https://github.com/Kitura/LoggerAPI.git
[8/784] Fetching loggerapi
Fetched https://github.com/Kitura/LoggerAPI.git (0.59s)
Computing version for https://github.com/Kitura/LoggerAPI.git
Computed https://github.com/Kitura/LoggerAPI.git at 2.1.0 (0.80s)
Fetching https://github.com/apple/swift-log.git
[1/8165] Fetching swift-log
Fetched https://github.com/apple/swift-log.git (0.55s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.15.1 (0.80s)
Creating working copy for https://github.com/Kitura/LoggerAPI.git
Working copy of https://github.com/Kitura/LoggerAPI.git resolved at 2.1.0
Creating working copy for https://github.com/apple/swift-log.git
Working copy of https://github.com/apple/swift-log.git resolved at 1.15.1
Building for debugging...
[Provisioning 1 / 7]
[Pre-planning 1 / 126]
[Planning deferred tasks]
[28 / 50] Logging
[37 / 59] Logging
[45 / 62] LoggerAPI
[45 / 62] Logging
[48 / 63] LoggerAPI
[62 / 73] KituraContracts
[63 / 73] KituraContracts
error: SwiftCompile normal wasm32 /host/spi-builder-workspace/Sources/KituraContracts/CodableQuery/QueryDecoder.swift failed with a nonzero exit code. Command line: cd /host
builtin-SwiftPerFileCompile QueryDecoder.swift
/host/spi-builder-workspace/Sources/KituraContracts/CodableQuery/QueryDecoder.swift:210:29: [1;31merror: [1;39m'let' binding pattern cannot appear in an expression[0;0m
[0;36m208 |[0;0m fatalError("ISO8601DateFormatter is unavailable on this platform.")
[0;36m209 |[0;0m }
[0;36m210 |[0;0m case .formatted(let formatted):
[0;36m|[0;0m `- [1;31merror: [1;39m'let' binding pattern cannot appear in an expression[0;0m
[0;36m211 |[0;0m return try decodeType(fieldValue?.date(formatted), to: T.self)
[0;36m212 |[0;0m case .custom(let closure):
/host/spi-builder-workspace/Sources/KituraContracts/CodableQuery/QueryDecoder.swift:233:29: [1;31merror: [1;39m'let' binding pattern cannot appear in an expression[0;0m
[0;36m231 |[0;0m fatalError("ISO8601DateFormatter is unavailable on this platform.")
[0;36m232 |[0;0m }
[0;36m233 |[0;0m case .formatted(let formatter):
[0;36m|[0;0m `- [1;31merror: [1;39m'let' binding pattern cannot appear in an expression[0;0m
[0;36m234 |[0;0m return try decodeType(fieldValue?.dateArray(formatter), to: T.self)
[0;36m235 |[0;0m case .custom(let closure):
Failed frontend command:
/usr/bin/swift-frontend -frontend -c /host/spi-builder-workspace/Sources/KituraContracts/BodyDecoder.swift /host/spi-builder-workspace/Sources/KituraContracts/BodyEncoder.swift /host/spi-builder-workspace/Sources/KituraContracts/BodyFormat.swift /host/spi-builder-workspace/Sources/KituraContracts/ClosureAliases.swift /host/spi-builder-workspace/Sources/KituraContracts/CodableQuery/Coder.swift /host/spi-builder-workspace/Sources/KituraContracts/CodableQuery/Extensions.swift -primary-file /host/spi-builder-workspace/Sources/KituraContracts/CodableQuery/QueryDecoder.swift /host/spi-builder-workspace/Sources/KituraContracts/CodableQuery/QueryEncoder.swift /host/spi-builder-workspace/Sources/KituraContracts/Contracts.swift -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/KituraContracts.build/Debug-webassembly-wasm32/KituraContracts-t.build/Objects-normal/wasm32/QueryDecoder.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/KituraContracts.build/Debug-webassembly-wasm32/KituraContracts-t.build/Objects-normal/wasm32/QueryDecoder.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/KituraContracts.build/Debug-webassembly-wasm32/KituraContracts-t.build/Objects-normal/wasm32/QueryDecoder.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/KituraContracts.build/Debug-webassembly-wasm32/KituraContracts-t.build/Objects-normal/wasm32/QueryDecoder.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 5 -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/KituraContracts.build/Debug-webassembly-wasm32/KituraContracts-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/KituraContracts.build/Debug-webassembly-wasm32/KituraContracts-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/KituraContracts.build/Debug-webassembly-wasm32/KituraContracts-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name KituraContracts -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/KituraContracts.build/Debug-webassembly-wasm32/KituraContracts-t.build/Objects-normal/wasm32/KituraContracts_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/KituraContracts.build/Debug-webassembly-wasm32/KituraContracts-t.build/Objects-normal/wasm32/QueryDecoder.o -index-unit-output-path /KituraContracts.build/Debug-webassembly-wasm32/KituraContracts-t.build/Objects-normal/wasm32/QueryDecoder.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
error: SwiftCompile normal wasm32 /host/spi-builder-workspace/Sources/KituraContracts/CodableQuery/Extensions.swift failed with a nonzero exit code. Command line: cd /host
builtin-SwiftPerFileCompile Extensions.swift
/host/spi-builder-workspace/Sources/KituraContracts/CodableQuery/Extensions.swift:214:25: [1;31merror: [1;39m'let' binding pattern cannot appear in an expression[0;0m
[0;36m212 |[0;0m
[0;36m213 |[0;0m switch decoderStrategy {
[0;36m214 |[0;0m case .formatted(let formatter):
[0;36m|[0;0m `- [1;31merror: [1;39m'let' binding pattern cannot appear in an expression[0;0m
[0;36m215 |[0;0m let strs: [String] = self.components(separatedBy: ",")
[0;36m216 |[0;0m let dates = strs.map { formatter.date(from: $0) }.filter { $0 != nil }.map { $0! }
Failed frontend command:
/usr/bin/swift-frontend -frontend -c /host/spi-builder-workspace/Sources/KituraContracts/BodyDecoder.swift /host/spi-builder-workspace/Sources/KituraContracts/BodyEncoder.swift /host/spi-builder-workspace/Sources/KituraContracts/BodyFormat.swift /host/spi-builder-workspace/Sources/KituraContracts/ClosureAliases.swift /host/spi-builder-workspace/Sources/KituraContracts/CodableQuery/Coder.swift -primary-file /host/spi-builder-workspace/Sources/KituraContracts/CodableQuery/Extensions.swift /host/spi-builder-workspace/Sources/KituraContracts/CodableQuery/QueryDecoder.swift /host/spi-builder-workspace/Sources/KituraContracts/CodableQuery/QueryEncoder.swift /host/spi-builder-workspace/Sources/KituraContracts/Contracts.swift -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/KituraContracts.build/Debug-webassembly-wasm32/KituraContracts-t.build/Objects-normal/wasm32/Extensions.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/KituraContracts.build/Debug-webassembly-wasm32/KituraContracts-t.build/Objects-normal/wasm32/Extensions.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/KituraContracts.build/Debug-webassembly-wasm32/KituraContracts-t.build/Objects-normal/wasm32/Extensions.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/KituraContracts.build/Debug-webassembly-wasm32/KituraContracts-t.build/Objects-normal/wasm32/Extensions.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 5 -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/KituraContracts.build/Debug-webassembly-wasm32/KituraContracts-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/KituraContracts.build/Debug-webassembly-wasm32/KituraContracts-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/KituraContracts.build/Debug-webassembly-wasm32/KituraContracts-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name KituraContracts -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/KituraContracts.build/Debug-webassembly-wasm32/KituraContracts-t.build/Objects-normal/wasm32/KituraContracts_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/KituraContracts.build/Debug-webassembly-wasm32/KituraContracts-t.build/Objects-normal/wasm32/Extensions.o -index-unit-output-path /KituraContracts.build/Debug-webassembly-wasm32/KituraContracts-t.build/Objects-normal/wasm32/Extensions.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 wasm