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Build Information

Failed to build swift-driver, reference main (1c07ce), with Swift 6.4 for macOS (SPM) on 20 Sep 2026 09:30:40 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/art-divin/swift-driver.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/art-divin/swift-driver
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 1c07ced Update Package.swift
Cloned https://github.com/art-divin/swift-driver.git
Revision (git rev-parse @):
1c07ced84c1dfc1f9c3253dcbaa216fc9c76ee25
SUCCESS checkout https://github.com/art-divin/swift-driver.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/art-divin/swift-driver.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Computing dependencies]
[Pre-planning 1 / 892]
[Planning deferred tasks]
[141 / 389]
[154 / 393] TSCLibc
[156 / 393] ArgumentParserToolInfo
[158 / 397]
[160 / 413]
[162 / 413]
[167 / 447] Yams
[175 / 452] llvmSupport
[179 / 452] ArgumentParserToolInfo
[187 / 452]
[190 / 452]
[192 / 452] llvmSupport
[196 / 452] llvmSupport
[202 / 452] llvmSupport
[203 / 452] llvmSupport
[205 / 452] TSCLibc
[209 / 452] TSCLibc
[218 / 452] llvmSupport
[220 / 452] llvmSupport
[224 / 452] llvmSupport
[226 / 452]
[230 / 452] llvmSupport
[234 / 452] llvmSupport
[236 / 452]
[238 / 452]
[241 / 452] llvmSupport
[246 / 452]
[250 / 452] llvmDemangle
[252 / 452] llbuildNinja
[256 / 452] llbuildCore
[257 / 452] llbuildCore
[259 / 452] llbuildCore
[263 / 452] Yams
[265 / 452] llbuildBuildSystem
[270 / 452] llbuildSwift
[275 / 452] llbuildBuildSystem
[277 / 452] llbuildBuildSystem
[278 / 452] Yams
[280 / 452] Yams
[286 / 452] llbuildBuildSystem
[287 / 452] llbuildBasic
[291 / 452] llbuildBasic
[293 / 452] llbuildBasic
[295 / 452] llbuildBasic
Fetching https://github.com/apple/swift-argument-parser.git
Fetching https://github.com/jpsim/Yams.git
Fetching https://github.com/art-divin/swift-tools-support-core.git
Fetching https://github.com/art-divin/swift-llbuild.git
[1/3491] Fetching swift-tools-support-core
[2/20928] Fetching swift-tools-support-core, swift-llbuild
[3/32789] Fetching swift-tools-support-core, swift-llbuild, yams
[1573/51707] Fetching swift-tools-support-core, swift-llbuild, yams, swift-argument-parser
Fetched https://github.com/art-divin/swift-tools-support-core.git (1.94s)
[42760/48216] Fetching swift-llbuild, yams, swift-argument-parser
Fetched https://github.com/apple/swift-argument-parser.git (2.07s)
[25029/29298] Fetching swift-llbuild, yams
Fetched https://github.com/art-divin/swift-llbuild.git (3.61s)
Fetched https://github.com/jpsim/Yams.git (3.61s)
Computing version for https://github.com/art-divin/swift-tools-support-core.git
Computed https://github.com/art-divin/swift-tools-support-core.git at 1.0.0 (4.34s)
Computing version for https://github.com/art-divin/swift-llbuild.git
Computed https://github.com/art-divin/swift-llbuild.git at 1.0.0 (0.68s)
Computing version for https://github.com/apple/swift-argument-parser.git
Computed https://github.com/apple/swift-argument-parser.git at 1.2.3 (0.68s)
Computing version for https://github.com/jpsim/Yams.git
Computed https://github.com/jpsim/Yams.git at 5.0.6 (0.64s)
Creating working copy for https://github.com/art-divin/swift-tools-support-core.git
Working copy of https://github.com/art-divin/swift-tools-support-core.git resolved at 1.0.0
Creating working copy for https://github.com/art-divin/swift-llbuild.git
Working copy of https://github.com/art-divin/swift-llbuild.git resolved at 1.0.0
Creating working copy for https://github.com/apple/swift-argument-parser.git
Working copy of https://github.com/apple/swift-argument-parser.git resolved at 1.2.3
Creating working copy for https://github.com/jpsim/Yams.git
Working copy of https://github.com/jpsim/Yams.git resolved at 5.0.6
/Users/admin/builder/spi-builder-workspace/Sources/makeOptions/makeOptions.cpp:422:2: warning: "Unable to include 'swift/Option/Options.inc', `makeOptions` will not be usable" [-W#warnings]
  422 | #warning "Unable to include 'swift/Option/Options.inc', `makeOptions` will not be usable"
      |  ^
1 warning generated.
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-llbuild/lib/Basic/Subprocess.cpp:89:12: error: static declaration of 'posix_spawn_file_actions_addchdir' follows non-static declaration
   89 | static int posix_spawn_file_actions_addchdir(posix_spawn_file_actions_t * __restrict file_actions,
      |            ^
In file included from /Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-llbuild/lib/Basic/Subprocess.cpp:42:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk/usr/include/spawn.h:72:9: note: previous declaration is here
   72 | int     posix_spawn_file_actions_addchdir(posix_spawn_file_actions_t *,
      |         ^
1 error generated.
error: CompileC /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/llbuild.build/Debug/llbuildBasic-t.build/Objects-normal/arm64/Subprocess.o /Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-llbuild/lib/Basic/Subprocess.cpp normal arm64 c++ com.apple.compilers.llvm.clang.1_0.compiler failed with a nonzero exit code. Command line:     cd /Users/admin/builder

    Using response file: /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/llbuild.build/Debug/llbuildBasic-t.build/Objects-normal/arm64/82b82416624d2658e5098eb0a28c15c5-common-args.resp

    /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -x c++ -ivfsstatcache /Users/admin/builder/spi-builder-workspace/.build/out/SDKStatCaches.noindex/macosx27.0-26A425-80c5bbf1d171475443272936d42f90a36a22442a12e9d48fe1a705f55a1adfc4.sdkstatcache -target arm64-apple-macos12.0 -fmessage-length\=0 -fdiagnostics-show-note-include-stack -fmacro-backtrace-limit\=0 -fcolor-diagnostics -fmodules-prune-interval\=86400 -fmodules-prune-after\=345600 -fbuild-session-file\=/Users/admin/builder/spi-builder-workspace/.build/out/ModuleCache.noindex/Session.modulevalidation -fmodules-validate-once-per-build-session -Wnon-modular-include-in-framework-module -Werror\=non-modular-include-in-framework-module -Wno-trigraphs -Wno-missing-field-initializers -Wno-missing-prototypes -Wno-return-type -Wno-non-virtual-dtor -Wno-overloaded-virtual -Wno-exit-time-destructors -Wno-missing-braces -Wparentheses -Wswitch -Wno-unused-function -Wno-unused-label -Wno-unused-parameter -Wno-unused-variable -Wunused-value -Wno-empty-body -Wno-uninitialized -Wno-unknown-pragmas -w -Wno-shadow -Wno-four-char-constants -Wno-conversion -Wno-constant-conversion -Wno-int-conversion -Wno-bool-conversion -Wno-enum-conversion -Wno-float-conversion -Wno-non-literal-null-conversion -Wno-objc-literal-conversion -Wshorten-64-to-32 -Wno-newline-eof -Wno-c++11-extensions -Wno-implicit-fallthrough -isysroot /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -fstrict-aliasing -Wdeprecated-declarations -Winvalid-offsetof -Wno-sign-conversion -Wno-infinite-recursion -Wno-move -Wno-comma -Wno-block-capture-autoreleasing -Wno-strict-prototypes -Wno-range-loop-analysis -Wno-semicolon-before-method-body -index-store-path /Users/admin/builder/spi-builder-workspace/.build/out @/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/llbuild.build/Debug/llbuildBasic-t.build/Objects-normal/arm64/82b82416624d2658e5098eb0a28c15c5-common-args.resp -MMD -MT dependencies -MF /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/llbuild.build/Debug/llbuildBasic-t.build/Objects-normal/arm64/Subprocess.d --serialize-diagnostics /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/llbuild.build/Debug/llbuildBasic-t.build/Objects-normal/arm64/Subprocess.dia -c /Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-llbuild/lib/Basic/Subprocess.cpp -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/llbuild.build/Debug/llbuildBasic-t.build/Objects-normal/arm64/Subprocess.o -index-unit-output-path /llbuild.build/Debug/llbuildBasic-t.build/Objects-normal/arm64/Subprocess.o
error: Build failed
BUILD FAILURE 6.4 macosSpm