swift-aws-lambda-runtime – Build Information

Build Information

Failed to build swift-aws-lambda-runtime, reference 0.5.2 (699ada), with Swift 6.4 for macOS (SPM) on 22 Sep 2026 16:24:55 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64

Build Log

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RunAll
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Builder version: 5.1.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/andrea-scuderi/swift-aws-lambda-runtime.git
Reference: 0.5.2
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/andrea-scuderi/swift-aws-lambda-runtime
 * tag               0.5.2      -> FETCH_HEAD
HEAD is now at 699ada1 Add guards for code that relies on _Concurrency (#237)
Cloned https://github.com/andrea-scuderi/swift-aws-lambda-runtime.git
Revision (git rev-parse @):
699ada1724459582303c15aae64fa12ca4d33809
SUCCESS checkout https://github.com/andrea-scuderi/swift-aws-lambda-runtime.git at 0.5.2
========================================
Build
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Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/andrea-scuderi/swift-aws-lambda-runtime.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Computing dependencies]
[Constructing description]
[Pre-planning 1 / 1187]
[Planning deferred tasks]
[Starting]
[20 / 468] _NIOConcurrency
[208 / 468] swift-nio_NIOPosix
[210 / 468]
[227 / 476] Atomics
[231 / 505] _NIOBase64
[237 / 525]
[250 / 546]
[268 / 583]
[291 / 583] _NIOBase64
[299 / 583]
[308 / 617] InternalCollectionsUtilities
[322 / 617]
[329 / 617] _AtomicsShims
[337 / 617] CNIOPosix
[348 / 617] CNIOFreeBSD
[360 / 619]
[384 / 632] CBacktrace
[395 / 632]
[406 / 632] _NIODataStructures
[409 / 632]
[428 / 632] NIOConcurrencyHelpers
[445 / 632]
[451 / 632]
[460 / 632]
[466 / 632] Atomics
[472 / 632] Atomics
[478 / 632] _NIODataStructures
[486 / 644] ContainersPreview
[495 / 644] ContainersPreview
[501 / 645] DequeModule
[509 / 656] DequeModule
[511 / 656] DequeModule
[516 / 656] Atomics
[520 / 656] AWSLambdaEvents
[522 / 656] AWSLambdaEvents
[525 / 656] AWSLambdaEvents
[537 / 656] DequeModule-product
[539 / 657] ContainersPreview
[542 / 657] NIOCore
[546 / 674]
[548 / 674]
[559 / 674] NIOCore
[562 / 674] NIOCore
[573 / 677] NIOEmbedded
[577 / 681] NIOFoundationEssentialsCompat
[584 / 705] NIOPosix
[595 / 713] NIOEmbedded
[598 / 713] NIOEmbedded
[601 / 713]
[602 / 713]
[603 / 713]
[614 / 713] NIOPosix
[615 / 713] NIOFoundationEssentialsCompat
[617 / 713] NIOFoundationEssentialsCompat
[623 / 713] NIOFoundationEssentialsCompat
[623 / 713] NIOPosix
[625 / 713] NIOPosix
[632 / 714] NIO
[641 / 716] NIO
[644 / 719] _NIOConcurrency
[663 / 733] NIOHTTP1
[664 / 737] NIOFoundationCompat
[668 / 737] NIOFoundationCompat
[685 / 739] NIOFoundationCompat
[686 / 739] NIOHTTP1
[687 / 739] MockServer-product
[704 / 759] MockServer-product
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Working copy of https://github.com/swift-server/swift-backtrace.git resolved at 1.3.5
error: SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/AWSLambdaRuntimeCore/LambdaConfiguration.swift failed with a nonzero exit code. Command line:     cd /Users/admin/builder
    builtin-SwiftPerFileCompile LambdaConfiguration.swift
/Users/admin/builder/spi-builder-workspace/Sources/AWSLambdaRuntimeCore/LambdaConfiguration.swift:39:83: [1;31merror: [1;39mambiguous use of 'init'[0;0m
[0;36m37 |[0;0m
[0;36m38 |[0;0m             init(logLevel: Logger.Level? = nil) {
[0;36m39 |[0;0m                 self.logLevel = logLevel ?? env("LOG_LEVEL").flatMap(Logger.Level.init) ?? .info
   [0;36m|[0;0m                                                                                   `- [1;31merror: [1;39mambiguous use of 'init'[0;0m
[0;36m40 |[0;0m             }
[0;36m41 |[0;0m
Logging.Logger.Level.init:3:19: [1;39mnote: [1;39mfound this candidate in module 'Logging'[0;0m
[0;36m1 |[0;0m struct Logger {
[0;36m2 |[0;0m   enum Level {
[0;36m3 |[0;0m @inlinable public init?(rawValue: String)  }
  [0;36m|[0;0m                   `- [1;39mnote: [1;39mfound this candidate in module 'Logging'[0;0m
[0;36m4 |[0;0m }
[0;36m5 |[0;0m
Logging.Logger.Level.init:3:8: [1;39mnote: [1;39mfound this candidate in module 'Logging'[0;0m
[0;36m1 |[0;0m struct Logger {
[0;36m2 |[0;0m   enum Level {
[0;36m3 |[0;0m public init?(_ description: String)  }
  [0;36m|[0;0m        `- [1;39mnote: [1;39mfound this candidate in module 'Logging'[0;0m
[0;36m4 |[0;0m }
[0;36m5 |[0;0m
Failed frontend command:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -c /Users/admin/builder/spi-builder-workspace/Sources/AWSLambdaRuntimeCore/HTTPClient.swift /Users/admin/builder/spi-builder-workspace/Sources/AWSLambdaRuntimeCore/Lambda+LocalServer.swift /Users/admin/builder/spi-builder-workspace/Sources/AWSLambdaRuntimeCore/Lambda+String.swift /Users/admin/builder/spi-builder-workspace/Sources/AWSLambdaRuntimeCore/Lambda.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/AWSLambdaRuntimeCore/LambdaConfiguration.swift /Users/admin/builder/spi-builder-workspace/Sources/AWSLambdaRuntimeCore/LambdaContext.swift /Users/admin/builder/spi-builder-workspace/Sources/AWSLambdaRuntimeCore/LambdaHandler.swift /Users/admin/builder/spi-builder-workspace/Sources/AWSLambdaRuntimeCore/LambdaLifecycle.swift /Users/admin/builder/spi-builder-workspace/Sources/AWSLambdaRuntimeCore/LambdaRunner.swift /Users/admin/builder/spi-builder-workspace/Sources/AWSLambdaRuntimeCore/LambdaRuntimeClient.swift /Users/admin/builder/spi-builder-workspace/Sources/AWSLambdaRuntimeCore/Utils.swift -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-aws-lambda-runtime.build/Debug/AWSLambdaRuntimeCore-t.build/Objects-normal/arm64/LambdaConfiguration.d -emit-const-values-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-aws-lambda-runtime.build/Debug/AWSLambdaRuntimeCore-t.build/Objects-normal/arm64/LambdaConfiguration.swiftconstvalues -emit-reference-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-aws-lambda-runtime.build/Debug/AWSLambdaRuntimeCore-t.build/Objects-normal/arm64/LambdaConfiguration.swiftdeps -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-aws-lambda-runtime.build/Debug/AWSLambdaRuntimeCore-t.build/Objects-normal/arm64/LambdaConfiguration.dia -target arm64-apple-macos12.0 -module-can-import-version _Concurrency 6.4.0.31 0 -disable-cross-import-overlay-search -swift-module-cross-import Darwin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/Darwin.swiftcrossimport/xlocale.swiftoverlay -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -disable-implicit-swift-modules -Xcc -fno-implicit-modules -Xcc -fno-implicit-module-maps -explicit-swift-module-map-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-aws-lambda-runtime.build/Debug/AWSLambdaRuntimeCore-t.build/Objects-normal/arm64/AWSLambdaRuntimeCore-dependencies-1.json -Xllvm -aarch64-use-tbi -enable-objc-interop 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-enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.build/out/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/GeneratedModuleMaps/CBacktrace.modulemap -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/GeneratedModuleMaps/CNIOLLHTTP.modulemap -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-atomics/Sources/_AtomicsShims/include/module.modulemap -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/GeneratedModuleMaps/CNIOPosix.modulemap -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/GeneratedModuleMaps/CNIOWASI.modulemap -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/CNIOWindows/include/module.modulemap -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/GeneratedModuleMaps/CNIOLinux.modulemap -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/GeneratedModuleMaps/CNIODarwin.modulemap -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/GeneratedModuleMaps/CNIOFreeBSD.modulemap -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/GeneratedModuleMaps/CNIOOpenBSD.modulemap -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/GeneratedModuleMaps/CNIOAtomics.modulemap -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.build/out/SDKStatCaches.noindex/macosx27.0-26A425-80c5bbf1d171475443272936d42f90a36a22442a12e9d48fe1a705f55a1adfc4.sdkstatcache -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-backtrace/Sources/CBacktrace/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/CNIOLLHTTP/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-atomics/Sources/_AtomicsShims/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/CNIOPosix/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/CNIOWASI/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/CNIOWindows/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/CNIOLinux/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/CNIODarwin/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/CNIOFreeBSD/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/CNIOOpenBSD/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/CNIOAtomics/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-aws-lambda-runtime.build/Debug/AWSLambdaRuntimeCore-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-aws-lambda-runtime.build/Debug/AWSLambdaRuntimeCore-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-aws-lambda-runtime.build/Debug/AWSLambdaRuntimeCore-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name AWSLambdaRuntimeCore -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-aws-lambda-runtime.build/Debug/AWSLambdaRuntimeCore-t.build/Objects-normal/arm64/AWSLambdaRuntimeCore_const_extract_protocols.json -disable-clang-spi -clang-target arm64-apple-macos27.0 -target-sdk-version 27.0 -target-sdk-name macosx27.0 -in-process-plugin-server-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-aws-lambda-runtime.build/Debug/AWSLambdaRuntimeCore-t.build/Objects-normal/arm64/LambdaConfiguration.o -debug-module-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-aws-lambda-runtime.build/Debug/AWSLambdaRuntimeCore-t.build/Objects-normal/arm64/AWSLambdaRuntimeCore.swiftmodule -index-unit-output-path /swift-aws-lambda-runtime.build/Debug/AWSLambdaRuntimeCore-t.build/Objects-normal/arm64/LambdaConfiguration.o -index-store-path /Users/admin/builder/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 macosSpm