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Build Information

Failed to build ShellKit, reference 1.6.0 (2b8a0d), with Swift 6.4 for macOS (SPM) on 16 Sep 2026 11:48:37 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/einstore/shellkit.git
Reference: 1.6.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/einstore/shellkit
 * tag               1.6.0      -> FETCH_HEAD
HEAD is now at 2b8a0df mocking capability
Cloned https://github.com/einstore/shellkit.git
Revision (git rev-parse @):
2b8a0df6edcf9b9d55474e92baef4ea61baca1cb
SUCCESS checkout https://github.com/einstore/shellkit.git at 1.6.0
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/einstore/shellkit.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 / 1039]
[Planning deferred tasks]
[177 / 380]
[182 / 380]
[198 / 387] InternalCollectionsUtilities
[202 / 406] CNIOWASI
[206 / 410] CNIOWASI
[223 / 457]
[231 / 483]
[248 / 483]
[266 / 483]
[277 / 518] InternalCollectionsUtilities
[294 / 518]
[303 / 518] CNIOPosix
[306 / 518] InternalCollectionsUtilities
[309 / 518] _NIOBase64
[313 / 518] CNIOAtomics
[321 / 520] CNIODarwin
[332 / 520] _NIODataStructures
[335 / 520] NIOConcurrencyHelpers
[351 / 520] NIOConcurrencyHelpers
[360 / 520] NIOConcurrencyHelpers
[368 / 520] Atomics
[371 / 520] _NIODataStructures
[377 / 521] Atomics
[382 / 532] ContainersPreview
[393 / 532] ContainersPreview
[399 / 533] DequeModule
[407 / 544] DequeModule
[411 / 544] DequeModule
[413 / 544] DequeModule
[413 / 544]
[420 / 544] WebErrorKit
[429 / 544] WebErrorKit-product
[441 / 555] Shout
[442 / 555] Shout
[442 / 555] WebErrorKit
[453 / 555] WebErrorKit
[455 / 555] Socket
[457 / 555] Socket
Fetching https://github.com/apple/swift-nio.git
Fetching https://github.com/Einstore/Shout.git
Fetching https://github.com/Einstore/WebErrorKit.git
[1/412] Fetching shout
[413/440] Fetching shout, weberrorkit
Fetched https://github.com/Einstore/WebErrorKit.git (1.14s)
Fetched https://github.com/Einstore/Shout.git (1.14s)
[1/85947] Fetching swift-nio
Fetched https://github.com/apple/swift-nio.git (8.06s)
Computing version for https://github.com/Einstore/Shout.git
Computed https://github.com/Einstore/Shout.git at 0.5.1 (10.30s)
Fetching https://github.com/jakeheis/CSSH
Fetching https://github.com/IBM-Swift/BlueSocket
[1/26] Fetching cssh
[27/2968] Fetching cssh, bluesocket
Fetched https://github.com/jakeheis/CSSH (1.17s)
Fetched https://github.com/IBM-Swift/BlueSocket (1.17s)
Computing version for https://github.com/Einstore/WebErrorKit.git
Computed https://github.com/Einstore/WebErrorKit.git at 0.0.1 (1.87s)
Computing version for https://github.com/jakeheis/CSSH
Computed https://github.com/jakeheis/CSSH at 1.0.3 (0.68s)
Computing version for https://github.com/IBM-Swift/BlueSocket
Computed https://github.com/IBM-Swift/BlueSocket at 1.0.200 (0.74s)
Computing version for https://github.com/apple/swift-nio.git
Computed https://github.com/apple/swift-nio.git at 2.102.0 (0.72s)
Fetching https://github.com/apple/swift-collections.git
Fetching https://github.com/apple/swift-atomics.git
Fetching https://github.com/apple/swift-system.git
[1/1875] Fetching swift-atomics
[451/8773] Fetching swift-atomics, swift-system
[2217/36018] Fetching swift-atomics, swift-system, swift-collections
Fetched https://github.com/apple/swift-atomics.git (2.94s)
Fetched https://github.com/apple/swift-collections.git (2.94s)
Fetched https://github.com/apple/swift-system.git (2.94s)
Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 1.3.1 (3.57s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.6.0 (0.70s)
Computing version for https://github.com/apple/swift-system.git
Computed https://github.com/apple/swift-system.git at 1.8.1 (0.59s)
Creating working copy for https://github.com/apple/swift-nio.git
Working copy of https://github.com/apple/swift-nio.git resolved at 2.102.0
Creating working copy for https://github.com/apple/swift-atomics.git
Working copy of https://github.com/apple/swift-atomics.git resolved at 1.3.1
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.6.0
Creating working copy for https://github.com/apple/swift-system.git
Working copy of https://github.com/apple/swift-system.git resolved at 1.8.1
Creating working copy for https://github.com/Einstore/Shout.git
Working copy of https://github.com/Einstore/Shout.git resolved at 0.5.1
Creating working copy for https://github.com/jakeheis/CSSH
Working copy of https://github.com/jakeheis/CSSH resolved at 1.0.3
Creating working copy for https://github.com/IBM-Swift/BlueSocket
Working copy of https://github.com/IBM-Swift/BlueSocket resolved at 1.0.200
Creating working copy for https://github.com/Einstore/WebErrorKit.git
Working copy of https://github.com/Einstore/WebErrorKit.git resolved at 0.0.1
warning: 'cssh': ignoring declared target(s) 'CSSH' in the system package
warning: 'cssh': ignoring declared target(s) 'CSSH' in the system package
warning: 'cssh': failed to retrieve search paths with pkg-config; maybe pkg-config is not installed
warning: 'cssh': you may be able to install libssh2 using your system-packager:
    brew install libssh2
error: SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/.build/checkouts/Shout/Sources/Shout/SSHAuthMethod.swift failed with a nonzero exit code. Command line:     cd /Users/admin/builder
    builtin-SwiftPerFileCompile SSHAuthMethod.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
1 | #import "shim.h"
  |         `- note: in file included from <module-includes>:1:
2 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/CSSH/shim.h:4:10: error: 'libssh2.h' file not found
2 | #define __CLIBSSH_SHIM_H__
3 |
4 | #include <libssh2.h>
  |          `- error: 'libssh2.h' file not found
5 | #include <libssh2_sftp.h>
6 | #include <libssh2_publickey.h>
/Users/admin/builder/spi-builder-workspace/.build/checkouts/Shout/Sources/Shout/Agent.swift:8:8: error: could not build Objective-C module 'CSSH'
 6 | //
 7 |
 8 | import CSSH
   |        `- error: could not build Objective-C module 'CSSH'
 9 |
10 | /// Direct bindings to libssh2_agent
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/.build/checkouts/Shout/Sources/Shout/Agent.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/Shout/Sources/Shout/Channel.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/Shout/Sources/Shout/FilePermissions.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/Shout/Sources/Shout/ReadWrite.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/Shout/Sources/Shout/SFTP.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/Shout/Sources/Shout/SSH.swift -primary-file /Users/admin/builder/spi-builder-workspace/.build/checkouts/Shout/Sources/Shout/SSHAuthMethod.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/Shout/Sources/Shout/SSHError.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/Shout/Sources/Shout/Session.swift -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Shout.build/Debug/Shout-t.build/Objects-normal/arm64/SSHAuthMethod.d -emit-const-values-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Shout.build/Debug/Shout-t.build/Objects-normal/arm64/SSHAuthMethod.swiftconstvalues -emit-reference-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Shout.build/Debug/Shout-t.build/Objects-normal/arm64/SSHAuthMethod.swiftdeps -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Shout.build/Debug/Shout-t.build/Objects-normal/arm64/SSHAuthMethod.dia -target arm64-apple-macos12.0 -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -I /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug/PackageFrameworks -F /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -module-cache-path /Users/admin/builder/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 4 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -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/checkouts/CSSH/module.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/out/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Shout.build/Debug/Shout-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Shout.build/Debug/Shout-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Shout.build/Debug/Shout-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name Shout -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Shout.build/Debug/Shout-t.build/Objects-normal/arm64/Shout_const_extract_protocols.json -disable-clang-spi -target-sdk-version 27.0 -target-sdk-name macosx27.0 -external-plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/local/lib/swift/host/plugins\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -in-process-plugin-server-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/local/lib/swift/host/plugins -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Shout.build/Debug/Shout-t.build/Objects-normal/arm64/SSHAuthMethod.o -index-unit-output-path /Shout.build/Debug/Shout-t.build/Objects-normal/arm64/SSHAuthMethod.o -index-store-path /Users/admin/builder/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 macosSpm