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Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Failed to build Flock, reference 0.5.0 (e7ebcd), with Swift 6.1 for macOS (Xcode) using Xcode 16.3 on 24 Apr 2025 10:11:18 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Flock-Package -destination platform=macOS,arch=arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
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:         macosXcodebuild
Swift version:             6.1
Building package at path:  $PWD
https://github.com/jakeheis/flock.git
https://github.com/jakeheis/flock.git
{
  "dependencies" : [
    {
      "identity" : "beak",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.4.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/yonaskolb/Beak"
    },
    {
      "identity" : "rainbow",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "3.0.0",
            "upper_bound" : "4.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/onevcat/Rainbow"
    },
    {
      "identity" : "shout",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.2.3",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/jakeheis/Shout"
    },
    {
      "identity" : "swiftcli",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "5.1.1",
            "upper_bound" : "6.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/jakeheis/SwiftCLI"
    }
  ],
  "manifest_display_name" : "Flock",
  "name" : "Flock",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "flock",
      "targets" : [
        "FlockCLI"
      ],
      "type" : {
        "executable" : null
      }
    },
    {
      "name" : "FlockKit",
      "targets" : [
        "FlockKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "FlockKit",
      "module_type" : "SwiftTarget",
      "name" : "FlockKit",
      "path" : "Sources/FlockKit",
      "product_dependencies" : [
        "Rainbow",
        "Shout"
      ],
      "product_memberships" : [
        "FlockKit"
      ],
      "sources" : [
        "Environment.swift",
        "Flock.swift",
        "Server.swift",
        "TaskError.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "FlockCLI",
      "module_type" : "SwiftTarget",
      "name" : "FlockCLI",
      "path" : "Sources/FlockCLI",
      "product_dependencies" : [
        "BeakCore",
        "Rainbow",
        "SwiftCLI"
      ],
      "product_memberships" : [
        "flock"
      ],
      "sources" : [
        "Beak.swift",
        "CheckCommand.swift",
        "CleanCommand.swift",
        "FlockCommand.swift",
        "FlockError.swift",
        "ForwardCommand.swift",
        "HelpMessageGenerator.swift",
        "InitCommand.swift",
        "ListCommand.swift",
        "Router.swift",
        "main.swift"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "4.0"
}
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Fetching from https://github.com/onevcat/Rainbow
Fetching from https://github.com/jakeheis/Shout
Fetching from https://github.com/yonaskolb/Beak
Fetching from https://github.com/jakeheis/SwiftCLI
Fetching from https://github.com/kylef/PathKit.git
Fetching from https://github.com/kylef/Spectre.git
Fetching from https://github.com/jpsim/SourceKitten
Fetching from https://github.com/IBM-Swift/BlueSocket
Fetching from https://github.com/drmohundro/SWXMLHash.git
Fetching from https://github.com/jpsim/Yams.git (cached)
Fetching from https://github.com/apple/swift-argument-parser.git (cached)
Creating working copy of package ‘Beak’
Checking out 0.5.1 of package ‘Beak’
Creating working copy of package ‘SwiftCLI’
Checking out 5.3.3 of package ‘SwiftCLI’
Creating working copy of package ‘Spectre’
Checking out 0.9.2 of package ‘Spectre’
Creating working copy of package ‘Shout’
Checking out 0.5.7 of package ‘Shout’
Creating working copy of package ‘BlueSocket’
Checking out 1.0.200 of package ‘BlueSocket’
Creating working copy of package ‘Rainbow’
Checking out 3.2.0 of package ‘Rainbow’
Creating working copy of package ‘SWXMLHash’
Checking out 7.0.2 of package ‘SWXMLHash’
Creating working copy of package ‘PathKit’
Checking out 0.9.2 of package ‘PathKit’
Creating working copy of package ‘SourceKitten’
Checking out 0.37.0 of package ‘SourceKitten’
Creating working copy of package ‘Yams’
Checking out 5.3.1 of package ‘Yams’
Creating working copy of package ‘swift-argument-parser’
Checking out 1.5.0 of package ‘swift-argument-parser’
failed to retrieve search paths with pkg-config; maybe pkg-config is not installedyou may be able to install libssh2 using your system-packager:
    brew install libssh2 openssl
Resolve Package Graph
you may be able to install libssh2 using your system-packager:
    brew install libssh2 openssl
Resolved source packages:
  PathKit: https://github.com/kylef/PathKit.git @ 0.9.2
  Flock: /Users/admin/builder/spi-builder-workspace
  Socket: https://github.com/IBM-Swift/BlueSocket @ 1.0.200
  Beak: https://github.com/yonaskolb/Beak @ 0.5.1
  Rainbow: https://github.com/onevcat/Rainbow @ 3.2.0
  swift-argument-parser: https://github.com/apple/swift-argument-parser.git @ 1.5.0
  Shout: https://github.com/jakeheis/Shout @ 0.5.7
  Yams: https://github.com/jpsim/Yams.git @ 5.3.1
  Spectre: https://github.com/kylef/Spectre.git @ 0.9.2
  SWXMLHash: https://github.com/drmohundro/SWXMLHash.git @ 7.0.2
  SourceKitten: https://github.com/jpsim/SourceKitten @ 0.37.0
  SwiftCLI: https://github.com/jakeheis/SwiftCLI @ 5.3.3
resolved source packages: PathKit, Flock, Socket, Beak, Rainbow, swift-argument-parser, Shout, Yams, Spectre, SWXMLHash, SourceKitten, SwiftCLI
{
  "dependencies" : [
    {
      "identity" : "beak",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.4.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/yonaskolb/Beak"
    },
    {
      "identity" : "rainbow",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "3.0.0",
            "upper_bound" : "4.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/onevcat/Rainbow"
    },
    {
      "identity" : "shout",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.2.3",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/jakeheis/Shout"
    },
    {
      "identity" : "swiftcli",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "5.1.1",
            "upper_bound" : "6.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/jakeheis/SwiftCLI"
    }
  ],
  "manifest_display_name" : "Flock",
  "name" : "Flock",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "flock",
      "targets" : [
        "FlockCLI"
      ],
      "type" : {
        "executable" : null
      }
    },
    {
      "name" : "FlockKit",
      "targets" : [
        "FlockKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "FlockKit",
      "module_type" : "SwiftTarget",
      "name" : "FlockKit",
      "path" : "Sources/FlockKit",
      "product_dependencies" : [
        "Rainbow",
        "Shout"
      ],
      "product_memberships" : [
        "FlockKit"
      ],
      "sources" : [
        "Environment.swift",
        "Flock.swift",
        "Server.swift",
        "TaskError.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "FlockCLI",
      "module_type" : "SwiftTarget",
      "name" : "FlockCLI",
      "path" : "Sources/FlockCLI",
      "product_dependencies" : [
        "BeakCore",
        "Rainbow",
        "SwiftCLI"
      ],
      "product_memberships" : [
        "flock"
      ],
      "sources" : [
        "Beak.swift",
        "CheckCommand.swift",
        "CleanCommand.swift",
        "FlockCommand.swift",
        "FlockError.swift",
        "ForwardCommand.swift",
        "HelpMessageGenerator.swift",
        "InitCommand.swift",
        "ListCommand.swift",
        "Router.swift",
        "main.swift"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "4.0"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "flock",
      "Flock-Package",
      "FlockKit"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Flock-Package -destination platform=macOS,arch=arm64 OTHER_SWIFT_FLAGS=-stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme Flock-Package -destination platform=macOS,arch=arm64 "OTHER_SWIFT_FLAGS=-stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures"
Build settings from command line:
    OTHER_SWIFT_FLAGS = -stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures
Resolve Package Graph
failed to retrieve search paths with pkg-config; maybe pkg-config is not installedyou may be able to install libssh2 using your system-packager:
    brew install libssh2 openssl
Resolve Package Graph
you may be able to install libssh2 using your system-packager:
    brew install libssh2 openssl
Resolved source packages:
  PathKit: https://github.com/kylef/PathKit.git @ 0.9.2
  Shout: https://github.com/jakeheis/Shout @ 0.5.7
  Socket: https://github.com/IBM-Swift/BlueSocket @ 1.0.200
  Yams: https://github.com/jpsim/Yams.git @ 5.3.1
  Rainbow: https://github.com/onevcat/Rainbow @ 3.2.0
  Beak: https://github.com/yonaskolb/Beak @ 0.5.1
  Flock: /Users/admin/builder/spi-builder-workspace
  SWXMLHash: https://github.com/drmohundro/SWXMLHash.git @ 7.0.2
  swift-argument-parser: https://github.com/apple/swift-argument-parser.git @ 1.5.0
  SourceKitten: https://github.com/jpsim/SourceKitten @ 0.37.0
  Spectre: https://github.com/kylef/Spectre.git @ 0.9.2
  SwiftCLI: https://github.com/jakeheis/SwiftCLI @ 5.3.3
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (25 targets)
    Target 'flock' in project 'Flock'
        ➜ Explicit dependency on target 'BeakCore' in project 'Beak'
        ➜ Explicit dependency on target 'Rainbow' in project 'Rainbow'
        ➜ Explicit dependency on target 'SwiftCLI' in project 'SwiftCLI'
    Target 'BeakCore' in project 'Beak'
        ➜ Explicit dependency on target 'BeakCore' in project 'Beak'
        ➜ Explicit dependency on target 'SourceKittenFramework' in project 'SourceKitten'
        ➜ Explicit dependency on target 'PathKit' in project 'PathKit'
        ➜ Explicit dependency on target 'SwiftCLI' in project 'SwiftCLI'
    Target 'BeakCore' in project 'Beak'
        ➜ Explicit dependency on target 'SourceKittenFramework' in project 'SourceKitten'
        ➜ Explicit dependency on target 'PathKit' in project 'PathKit'
        ➜ Explicit dependency on target 'SwiftCLI' in project 'SwiftCLI'
    Target 'SwiftCLI' in project 'SwiftCLI'
        ➜ Explicit dependency on target 'SwiftCLI' in project 'SwiftCLI'
    Target 'SwiftCLI' in project 'SwiftCLI' (no dependencies)
    Target 'PathKit' in project 'PathKit'
        ➜ Explicit dependency on target 'PathKit' in project 'PathKit'
    Target 'PathKit' in project 'PathKit' (no dependencies)
    Target 'SourceKittenFramework' in project 'SourceKitten'
        ➜ Explicit dependency on target 'SourceKittenFramework' in project 'SourceKitten'
        ➜ Explicit dependency on target 'Clang_C' in project 'SourceKitten'
        ➜ Explicit dependency on target 'SourceKit' in project 'SourceKitten'
        ➜ Explicit dependency on target 'SWXMLHash' in project 'SWXMLHash'
        ➜ Explicit dependency on target 'Yams' in project 'Yams'
    Target 'SourceKittenFramework' in project 'SourceKitten'
        ➜ Explicit dependency on target 'Clang_C' in project 'SourceKitten'
        ➜ Explicit dependency on target 'SourceKit' in project 'SourceKitten'
        ➜ Explicit dependency on target 'SWXMLHash' in project 'SWXMLHash'
        ➜ Explicit dependency on target 'Yams' in project 'Yams'
    Target 'Yams' in project 'Yams'
        ➜ Explicit dependency on target 'Yams' in project 'Yams'
        ➜ Explicit dependency on target 'CYaml' in project 'Yams'
    Target 'Yams' in project 'Yams'
        ➜ Explicit dependency on target 'CYaml' in project 'Yams'
    Target 'CYaml' in project 'Yams' (no dependencies)
    Target 'SWXMLHash' in project 'SWXMLHash'
        ➜ Explicit dependency on target 'SWXMLHash' in project 'SWXMLHash'
    Target 'SWXMLHash' in project 'SWXMLHash' (no dependencies)
    Target 'SourceKit' in project 'SourceKitten' (no dependencies)
    Target 'Clang_C' in project 'SourceKitten' (no dependencies)
    Target 'FlockKit' in project 'Flock'
        ➜ Explicit dependency on target 'FlockKit' in project 'Flock'
        ➜ Explicit dependency on target 'Rainbow' in project 'Rainbow'
        ➜ Explicit dependency on target 'Shout' in project 'Shout'
    Target 'FlockKit' in project 'Flock'
        ➜ Explicit dependency on target 'Rainbow' in project 'Rainbow'
        ➜ Explicit dependency on target 'Shout' in project 'Shout'
    Target 'Shout' in project 'Shout'
        ➜ Explicit dependency on target 'Shout' in project 'Shout'
        ➜ Explicit dependency on target 'Socket' in project 'Socket'
    Target 'Shout' in project 'Shout'
        ➜ Explicit dependency on target 'CSSH' in project 'Shout'
        ➜ Explicit dependency on target 'Socket' in project 'Socket'
    Target 'Socket' in project 'Socket'
        ➜ Explicit dependency on target 'Socket' in project 'Socket'
    Target 'Socket' in project 'Socket' (no dependencies)
    Target 'CSSH' in project 'Shout' (no dependencies)
    Target 'Rainbow' in project 'Rainbow'
        ➜ Explicit dependency on target 'Rainbow' in project 'Rainbow'
    Target 'Rainbow' in project 'Rainbow' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 33c388ca65a59e57c4d544a8f025299b
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/33c388ca65a59e57c4d544a8f025299b.xcbuilddata
error: The package product 'SourceKittenFramework' requires minimum platform version 12.0 for the macOS platform, but this target supports 10.13 (in target 'BeakCore' from project 'Beak')
--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, id:d79f84ef1def69b1719fea10ef36ffa73f0a25a8, name:My Mac }
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:d79f84ef1def69b1719fea10ef36ffa73f0a25a8, name:My Mac }
{ platform:macOS, arch:arm64, variant:DriverKit, id:d79f84ef1def69b1719fea10ef36ffa73f0a25a8, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:d79f84ef1def69b1719fea10ef36ffa73f0a25a8, name:My Mac }
** BUILD FAILED **
The following build commands failed:
	Building workspace spi-builder-workspace with scheme Flock-Package
(1 failure)
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
failed to retrieve search paths with pkg-config; maybe pkg-config is not installedyou may be able to install libssh2 using your system-packager:
    brew install libssh2 openssl
Resolved source packages:
  Yams: https://github.com/jpsim/Yams.git @ 5.3.1
  Spectre: https://github.com/kylef/Spectre.git @ 0.9.2
  swift-argument-parser: https://github.com/apple/swift-argument-parser.git @ 1.5.0
  SwiftCLI: https://github.com/jakeheis/SwiftCLI @ 5.3.3
  Flock: /Users/admin/builder/spi-builder-workspace
  SWXMLHash: https://github.com/drmohundro/SWXMLHash.git @ 7.0.2
  SourceKitten: https://github.com/jpsim/SourceKitten @ 0.37.0
  Socket: https://github.com/IBM-Swift/BlueSocket @ 1.0.200
  Shout: https://github.com/jakeheis/Shout @ 0.5.7
  Beak: https://github.com/yonaskolb/Beak @ 0.5.1
  Rainbow: https://github.com/onevcat/Rainbow @ 3.2.0
  PathKit: https://github.com/kylef/PathKit.git @ 0.9.2
resolved source packages: Yams, Spectre, swift-argument-parser, SwiftCLI, Flock, SWXMLHash, SourceKitten, Socket, Shout, Beak, Rainbow, PathKit
{
  "dependencies" : [
    {
      "identity" : "beak",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.4.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/yonaskolb/Beak"
    },
    {
      "identity" : "rainbow",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "3.0.0",
            "upper_bound" : "4.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/onevcat/Rainbow"
    },
    {
      "identity" : "shout",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.2.3",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/jakeheis/Shout"
    },
    {
      "identity" : "swiftcli",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "5.1.1",
            "upper_bound" : "6.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/jakeheis/SwiftCLI"
    }
  ],
  "manifest_display_name" : "Flock",
  "name" : "Flock",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "flock",
      "targets" : [
        "FlockCLI"
      ],
      "type" : {
        "executable" : null
      }
    },
    {
      "name" : "FlockKit",
      "targets" : [
        "FlockKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "FlockKit",
      "module_type" : "SwiftTarget",
      "name" : "FlockKit",
      "path" : "Sources/FlockKit",
      "product_dependencies" : [
        "Rainbow",
        "Shout"
      ],
      "product_memberships" : [
        "FlockKit"
      ],
      "sources" : [
        "Environment.swift",
        "Flock.swift",
        "Server.swift",
        "TaskError.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "FlockCLI",
      "module_type" : "SwiftTarget",
      "name" : "FlockCLI",
      "path" : "Sources/FlockCLI",
      "product_dependencies" : [
        "BeakCore",
        "Rainbow",
        "SwiftCLI"
      ],
      "product_memberships" : [
        "flock"
      ],
      "sources" : [
        "Beak.swift",
        "CheckCommand.swift",
        "CleanCommand.swift",
        "FlockCommand.swift",
        "FlockError.swift",
        "ForwardCommand.swift",
        "HelpMessageGenerator.swift",
        "InitCommand.swift",
        "ListCommand.swift",
        "Router.swift",
        "main.swift"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "4.0"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "flock",
      "Flock-Package",
      "FlockKit"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Flock-Package -destination platform=macOS,arch=arm64
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme Flock-Package -destination platform=macOS,arch=arm64
Resolve Package Graph
failed to retrieve search paths with pkg-config; maybe pkg-config is not installedyou may be able to install libssh2 using your system-packager:
    brew install libssh2 openssl
Resolved source packages:
  SWXMLHash: https://github.com/drmohundro/SWXMLHash.git @ 7.0.2
  Spectre: https://github.com/kylef/Spectre.git @ 0.9.2
  SourceKitten: https://github.com/jpsim/SourceKitten @ 0.37.0
  Shout: https://github.com/jakeheis/Shout @ 0.5.7
  Yams: https://github.com/jpsim/Yams.git @ 5.3.1
  Beak: https://github.com/yonaskolb/Beak @ 0.5.1
  SwiftCLI: https://github.com/jakeheis/SwiftCLI @ 5.3.3
  PathKit: https://github.com/kylef/PathKit.git @ 0.9.2
  Rainbow: https://github.com/onevcat/Rainbow @ 3.2.0
  swift-argument-parser: https://github.com/apple/swift-argument-parser.git @ 1.5.0
  Flock: /Users/admin/builder/spi-builder-workspace
  Socket: https://github.com/IBM-Swift/BlueSocket @ 1.0.200
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (25 targets)
    Target 'flock' in project 'Flock'
        ➜ Explicit dependency on target 'BeakCore' in project 'Beak'
        ➜ Explicit dependency on target 'Rainbow' in project 'Rainbow'
        ➜ Explicit dependency on target 'SwiftCLI' in project 'SwiftCLI'
    Target 'BeakCore' in project 'Beak'
        ➜ Explicit dependency on target 'BeakCore' in project 'Beak'
        ➜ Explicit dependency on target 'SourceKittenFramework' in project 'SourceKitten'
        ➜ Explicit dependency on target 'PathKit' in project 'PathKit'
        ➜ Explicit dependency on target 'SwiftCLI' in project 'SwiftCLI'
    Target 'BeakCore' in project 'Beak'
        ➜ Explicit dependency on target 'SourceKittenFramework' in project 'SourceKitten'
        ➜ Explicit dependency on target 'PathKit' in project 'PathKit'
        ➜ Explicit dependency on target 'SwiftCLI' in project 'SwiftCLI'
    Target 'SwiftCLI' in project 'SwiftCLI'
        ➜ Explicit dependency on target 'SwiftCLI' in project 'SwiftCLI'
    Target 'SwiftCLI' in project 'SwiftCLI' (no dependencies)
    Target 'PathKit' in project 'PathKit'
        ➜ Explicit dependency on target 'PathKit' in project 'PathKit'
    Target 'PathKit' in project 'PathKit' (no dependencies)
    Target 'SourceKittenFramework' in project 'SourceKitten'
        ➜ Explicit dependency on target 'SourceKittenFramework' in project 'SourceKitten'
        ➜ Explicit dependency on target 'Clang_C' in project 'SourceKitten'
        ➜ Explicit dependency on target 'SourceKit' in project 'SourceKitten'
        ➜ Explicit dependency on target 'SWXMLHash' in project 'SWXMLHash'
        ➜ Explicit dependency on target 'Yams' in project 'Yams'
    Target 'SourceKittenFramework' in project 'SourceKitten'
        ➜ Explicit dependency on target 'Clang_C' in project 'SourceKitten'
        ➜ Explicit dependency on target 'SourceKit' in project 'SourceKitten'
        ➜ Explicit dependency on target 'SWXMLHash' in project 'SWXMLHash'
        ➜ Explicit dependency on target 'Yams' in project 'Yams'
    Target 'Yams' in project 'Yams'
        ➜ Explicit dependency on target 'Yams' in project 'Yams'
        ➜ Explicit dependency on target 'CYaml' in project 'Yams'
    Target 'Yams' in project 'Yams'
        ➜ Explicit dependency on target 'CYaml' in project 'Yams'
    Target 'CYaml' in project 'Yams' (no dependencies)
    Target 'SWXMLHash' in project 'SWXMLHash'
        ➜ Explicit dependency on target 'SWXMLHash' in project 'SWXMLHash'
    Target 'SWXMLHash' in project 'SWXMLHash' (no dependencies)
    Target 'SourceKit' in project 'SourceKitten' (no dependencies)
    Target 'Clang_C' in project 'SourceKitten' (no dependencies)
    Target 'FlockKit' in project 'Flock'
        ➜ Explicit dependency on target 'FlockKit' in project 'Flock'
        ➜ Explicit dependency on target 'Rainbow' in project 'Rainbow'
        ➜ Explicit dependency on target 'Shout' in project 'Shout'
    Target 'FlockKit' in project 'Flock'
        ➜ Explicit dependency on target 'Rainbow' in project 'Rainbow'
        ➜ Explicit dependency on target 'Shout' in project 'Shout'
    Target 'Shout' in project 'Shout'
        ➜ Explicit dependency on target 'Shout' in project 'Shout'
        ➜ Explicit dependency on target 'Socket' in project 'Socket'
    Target 'Shout' in project 'Shout'
        ➜ Explicit dependency on target 'CSSH' in project 'Shout'
        ➜ Explicit dependency on target 'Socket' in project 'Socket'
    Target 'Socket' in project 'Socket'
        ➜ Explicit dependency on target 'Socket' in project 'Socket'
    Target 'Socket' in project 'Socket' (no dependencies)
    Target 'CSSH' in project 'Shout' (no dependencies)
    Target 'Rainbow' in project 'Rainbow'
        ➜ Explicit dependency on target 'Rainbow' in project 'Rainbow'
    Target 'Rainbow' in project 'Rainbow' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 3a7cc7c3c0ad57b0f5c9c9c6e1ed5076
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/3a7cc7c3c0ad57b0f5c9c9c6e1ed5076.xcbuilddata
error: The package product 'SourceKittenFramework' requires minimum platform version 12.0 for the macOS platform, but this target supports 10.13 (in target 'BeakCore' from project 'Beak')
--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, id:d79f84ef1def69b1719fea10ef36ffa73f0a25a8, name:My Mac }
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:d79f84ef1def69b1719fea10ef36ffa73f0a25a8, name:My Mac }
{ platform:macOS, arch:arm64, variant:DriverKit, id:d79f84ef1def69b1719fea10ef36ffa73f0a25a8, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:d79f84ef1def69b1719fea10ef36ffa73f0a25a8, name:My Mac }
** BUILD FAILED **
The following build commands failed:
	Building workspace spi-builder-workspace with scheme Flock-Package
(1 failure)
BUILD FAILURE 6.1 macosXcodebuild