Swift Package Index

Build Information

Failed to build Flock, reference 0.5.0 (e7ebcd), with Swift 6.4 for macOS (SPM) on 15 Sep 2026 20:06:10 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/jakeheis/flock.git
Reference: 0.5.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/jakeheis/flock
 * tag               0.5.0      -> FETCH_HEAD
HEAD is now at e7ebcd5 Check command
Cloned https://github.com/jakeheis/flock.git
Revision (git rev-parse @):
e7ebcd5279bfb95b0e66b15d07a868b244ab4883
SUCCESS checkout https://github.com/jakeheis/flock.git at 0.5.0
========================================
Build
========================================
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]
[Pre-planning 1 / 456]
[Planning deferred tasks]
[88 / 195]
[102 / 212] SourceKit
[104 / 225] PathKit
[109 / 235] SourceKit
[115 / 235] SwiftCLI
[115 / 235] Socket
[121 / 330]
[128 / 330]
[135 / 330]
[140 / 330]
[145 / 330]
[150 / 330]
[153 / 330]
[157 / 330]
[162 / 330]
[162 / 330] Rainbow
[173 / 330] PathKit
[185 / 330] SwiftCLI
[192 / 330] SwiftCLI
[195 / 330] SwiftCLI-product
[199 / 330]
[205 / 330]
[208 / 330] Rainbow
[211 / 330]
[213 / 330] Rainbow-product
[217 / 330]
[217 / 330] Rainbow-product
[219 / 330] Rainbow
[221 / 330]
[224 / 330] Rainbow
[234 / 330] CYaml
[235 / 330] Rainbow
[247 / 330] Yams
[250 / 330] PathKit
[256 / 330] Socket
[269 / 330] Yams-product
[273 / 330] SWXMLHash-product
[283 / 330] SWXMLHash
[286 / 332] SWXMLHash
[286 / 332] Yams
[290 / 332] Shout
Fetching https://github.com/yonaskolb/Beak
Fetching https://github.com/jakeheis/Shout
Fetching https://github.com/jakeheis/SwiftCLI
Fetching https://github.com/onevcat/Rainbow
[1/1478] Fetching rainbow
[2/2212] Fetching rainbow, shout
[25/7292] Fetching rainbow, shout, swiftcli
[6379/12418] Fetching rainbow, shout, swiftcli, beak
Fetched https://github.com/jakeheis/SwiftCLI (16.28s)
Fetched https://github.com/jakeheis/Shout (16.28s)
Fetched https://github.com/onevcat/Rainbow (16.28s)
Fetched https://github.com/yonaskolb/Beak (16.29s)
Computing version for https://github.com/yonaskolb/Beak
Computed https://github.com/yonaskolb/Beak at 0.5.1 (18.38s)
Fetching https://github.com/kylef/PathKit.git
Fetching https://github.com/kylef/Spectre.git
Fetching https://github.com/jpsim/SourceKitten
[1/1460] Fetching pathkit
[1461/2481] Fetching pathkit, spectre
[2482/18813] Fetching pathkit, spectre, sourcekitten
Fetched https://github.com/kylef/Spectre.git (3.47s)
Fetched https://github.com/jpsim/SourceKitten (3.47s)
Fetched https://github.com/kylef/PathKit.git (3.47s)
Computing version for https://github.com/kylef/PathKit.git
Computed https://github.com/kylef/PathKit.git at 0.9.2 (5.83s)
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 (0.64s)
Computing version for https://github.com/onevcat/Rainbow
Computed https://github.com/onevcat/Rainbow at 3.2.0 (0.63s)
Computing version for https://github.com/jakeheis/Shout
Computed https://github.com/jakeheis/Shout at 0.5.7 (0.65s)
Fetching https://github.com/IBM-Swift/BlueSocket
[1/2942] Fetching bluesocket
Fetched https://github.com/IBM-Swift/BlueSocket (1.14s)
Computing version for https://github.com/IBM-Swift/BlueSocket
Computed https://github.com/IBM-Swift/BlueSocket at 1.0.200 (1.83s)
Computing version for https://github.com/jpsim/SourceKitten
Computed https://github.com/jpsim/SourceKitten at 0.38.0 (0.65s)
Fetching https://github.com/jpsim/Yams.git
Fetching https://github.com/apple/swift-argument-parser.git
Fetching https://github.com/drmohundro/SWXMLHash.git
[1/2865] Fetching swxmlhash
[259/14726] Fetching swxmlhash, yams
[1206/33585] Fetching swxmlhash, yams, swift-argument-parser
Fetched https://github.com/drmohundro/SWXMLHash.git (3.89s)
Fetched https://github.com/jpsim/Yams.git (3.89s)
Fetched https://github.com/apple/swift-argument-parser.git (3.89s)
Computing version for https://github.com/drmohundro/SWXMLHash.git
Computed https://github.com/drmohundro/SWXMLHash.git at 7.0.2 (4.58s)
Computing version for https://github.com/jpsim/Yams.git
Computed https://github.com/jpsim/Yams.git at 6.2.2 (0.55s)
Computing version for https://github.com/apple/swift-argument-parser.git
Computed https://github.com/apple/swift-argument-parser.git at 1.8.2 (0.56s)
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/kylef/PathKit.git
Working copy of https://github.com/kylef/PathKit.git resolved at 0.9.2
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/onevcat/Rainbow
Working copy of https://github.com/onevcat/Rainbow resolved at 3.2.0
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/yonaskolb/Beak
Working copy of https://github.com/yonaskolb/Beak resolved at 0.5.1
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/kylef/Spectre.git
Working copy of https://github.com/kylef/Spectre.git resolved at 0.9.2
Creating working copy for https://github.com/jakeheis/SwiftCLI
Working copy of https://github.com/jakeheis/SwiftCLI resolved at 5.3.3
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