Swift Package IndexBuild Information
Failed to build Flock, reference master (d61e7f), with Swift 6.4 for macOS (SPM) on 15 Sep 2026 20:06:02 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64Build 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/jakeheis/flock.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/jakeheis/flock
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at d61e7fd Update README
Cloned https://github.com/jakeheis/flock.git
Revision (git rev-parse @):
d61e7fd3ef4f731382fca192976682953784be13
SUCCESS checkout https://github.com/jakeheis/flock.git at master
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Build
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Selected platform: macosSpm
Swift version: 6.4
Building package at path: $PWD
https://github.com/jakeheis/flock.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 / 456]
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Fetching https://github.com/yonaskolb/Beak
Fetching https://github.com/jakeheis/Shout
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Fetched https://github.com/yonaskolb/Beak (22.26s)
Fetched https://github.com/onevcat/Rainbow (22.26s)
Fetched https://github.com/jakeheis/Shout (22.26s)
Fetched https://github.com/jakeheis/SwiftCLI (22.26s)
Computing version for https://github.com/yonaskolb/Beak
Computed https://github.com/yonaskolb/Beak at 0.5.1 (24.44s)
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Fetched https://github.com/kylef/Spectre.git (1.96s)
Fetched https://github.com/jpsim/SourceKitten (1.96s)
Fetched https://github.com/kylef/PathKit.git (1.96s)
Computing version for https://github.com/kylef/PathKit.git
Computed https://github.com/kylef/PathKit.git at 0.9.2 (4.20s)
Computing version for https://github.com/kylef/Spectre.git
Computed https://github.com/kylef/Spectre.git at 0.9.2 (0.67s)
Computing version for https://github.com/jakeheis/SwiftCLI
Computed https://github.com/jakeheis/SwiftCLI at 5.3.3 (0.66s)
Computing version for https://github.com/onevcat/Rainbow
Computed https://github.com/onevcat/Rainbow at 3.2.0 (0.64s)
Computing version for https://github.com/jakeheis/Shout
Computed https://github.com/jakeheis/Shout at 0.5.7 (0.66s)
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Computing version for https://github.com/IBM-Swift/BlueSocket
Computed https://github.com/IBM-Swift/BlueSocket at 1.0.200 (1.89s)
Computing version for https://github.com/jpsim/SourceKitten
Computed https://github.com/jpsim/SourceKitten at 0.38.0 (0.68s)
Fetching https://github.com/drmohundro/SWXMLHash.git
Fetching https://github.com/jpsim/Yams.git
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Fetched https://github.com/apple/swift-argument-parser.git (3.43s)
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Computing version for https://github.com/drmohundro/SWXMLHash.git
Computed https://github.com/drmohundro/SWXMLHash.git at 7.0.2 (4.17s)
Computing version for https://github.com/jpsim/Yams.git
Computed https://github.com/jpsim/Yams.git at 6.2.2 (0.60s)
Computing version for https://github.com/apple/swift-argument-parser.git
Computed https://github.com/apple/swift-argument-parser.git at 1.8.2 (0.59s)
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/drmohundro/SWXMLHash.git
Working copy of https://github.com/drmohundro/SWXMLHash.git resolved at 7.0.2
Creating working copy for https://github.com/jpsim/SourceKitten
Working copy of https://github.com/jpsim/SourceKitten resolved at 0.38.0
Creating working copy for https://github.com/jakeheis/SwiftCLI
Working copy of https://github.com/jakeheis/SwiftCLI resolved at 5.3.3
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 1.8.2
Creating working copy for https://github.com/jakeheis/Shout
Working copy of https://github.com/jakeheis/Shout resolved at 0.5.7
Creating working copy for https://github.com/yonaskolb/Beak
Working copy of https://github.com/yonaskolb/Beak resolved at 0.5.1
Creating working copy for https://github.com/kylef/PathKit.git
Working copy of https://github.com/kylef/PathKit.git resolved at 0.9.2
Creating working copy for https://github.com/kylef/Spectre.git
Working copy of https://github.com/kylef/Spectre.git resolved at 0.9.2
Creating working copy for https://github.com/jpsim/Yams.git
Working copy of https://github.com/jpsim/Yams.git resolved at 6.2.2
Creating working copy for https://github.com/onevcat/Rainbow
Working copy of https://github.com/onevcat/Rainbow resolved at 3.2.0
warning: 'shout': failed to retrieve search paths with pkg-config; maybe pkg-config is not installed
warning: 'shout': you may be able to install libssh2 using your system-packager:
brew install libssh2 openssl
error: clang dependency scanning failure: While building module 'CSSH' imported from module-include.input:1:
In file included from <module-includes>:1:
/Users/admin/builder/spi-builder-workspace/.build/checkouts/Shout/Sources/CSSH/shim.h:4:10: fatal error: 'libssh2.h' file not found
module-include.input:1:1: fatal error: could not build module 'CSSH'
error: clang dependency scanning failure: While building module 'CSSH' imported from module-include.input:1:
In file included from <module-includes>:1:
/Users/admin/builder/spi-builder-workspace/.build/checkouts/Shout/Sources/CSSH/shim.h:4:10: fatal error: 'libssh2.h' file not found
module-include.input:1:3: fatal error: could not build module 'CSSH'
error: /Users/admin/builder/spi-builder-workspace/.build/checkouts/Shout/Sources/Shout/Agent.swift:8:8 unable to resolve module dependency: 'CSSH'
error: clang dependency scanning failure: While building module 'CSSH' imported from module-include.input:1:
In file included from <module-includes>:1:
/Users/admin/builder/spi-builder-workspace/.build/checkouts/Shout/Sources/CSSH/shim.h:4:10: fatal error: 'libssh2.h' file not found
module-include.input:1:1: fatal error: could not build module 'CSSH'
error: clang dependency scanning failure: While building module 'CSSH' imported from module-include.input:1:
In file included from <module-includes>:1:
/Users/admin/builder/spi-builder-workspace/.build/checkouts/Shout/Sources/CSSH/shim.h:4:10: fatal error: 'libssh2.h' file not found
module-include.input:1:3: fatal error: could not build module 'CSSH'
error: SwiftDriver Shout normal arm64 com.apple.xcode.tools.swift.compiler failed with a nonzero exit code. Command line: cd /Users/admin/builder
builtin-SwiftDriver -- /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -parse-as-library -module-name Shout -Onone @/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Shout.build/Debug/Shout-t.build/Objects-normal/arm64/Shout.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/.build/checkouts/Shout/Sources/CSSH/module.modulemap -DXcode -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -target arm64-apple-macos12.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.build/out/ModuleCache.noindex -Xfrontend -serialize-debugging-options -enable-testing -suppress-warnings -index-store-path /Users/admin/builder/spi-builder-workspace/.build/out -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -swift-version 5 -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 -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.build/out/SDKStatCaches.noindex/macosx27.0-26A425-80c5bbf1d171475443272936d42f90a36a22442a12e9d48fe1a705f55a1adfc4.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Shout.build/Debug/Shout-t.build/Objects-normal/arm64/Shout-OutputFileMap.json -save-temps -color-diagnostics -explicit-module-build -module-cache-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftExplicitPrecompiledModules -clang-scanner-module-cache-path /Users/admin/builder/spi-builder-workspace/.build/out/ModuleCache.noindex -sdk-module-cache-path /Users/admin/builder/spi-builder-workspace/.build/out/SDKExplicitPrecompiledModules -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Shout.build/Debug/Shout-t.build/Objects-normal/arm64/Shout.swiftmodule -serialize-diagnostics -dependency-scan-serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Shout.build/Debug/Shout-t.build/Objects-normal/arm64/Shout-dependency-scan.dia -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.build/out/ModuleCache.noindex/Session.modulevalidation -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -emit-const-values -const-gather-protocols-list /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Shout.build/Debug/Shout-t.build/Objects-normal/arm64/Shout_const_extract_protocols.json -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 -emit-objc-header -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Shout.build/Debug/Shout-t.build/Objects-normal/arm64/Shout-Swift.h -working-directory /Users/admin/builder -experimental-emit-module-separately -disable-cmo
error: Build failed
BUILD FAILURE 6.4 macosSpm