Swift Package Index

Build Information

Failed to build Song, reference 0.2.8 (899424), with Swift 6.4 for tvOS using Xcode 27.0 on 21 Sep 2026 10:41:11 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Song-Package -destination generic/platform=tvOS

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/OperatorFoundation/Song.git
Reference: 0.2.8
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/OperatorFoundation/Song
 * tag               0.2.8      -> FETCH_HEAD
HEAD is now at 8994246 Update Package.swift
Cloned https://github.com/OperatorFoundation/Song.git
Revision (git rev-parse @):
8994246049f93f0fe4da206cf1c0e6c090050cdb
SUCCESS checkout https://github.com/OperatorFoundation/Song.git at 0.2.8
========================================
Build
========================================
Selected platform:         tvOS
Swift version:             6.4
Building package at path:  $PWD
https://github.com/OperatorFoundation/Song.git
Command line invocation:
    /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Fetching from https://github.com/OperatorFoundation/swift-ast
Fetching from https://github.com/OperatorFoundation/Datable
Fetching from https://github.com/OperatorFoundation/Net
Creating working copy of package ‘Net’
Checking out 0.0.11 of package ‘Net’
Creating working copy of package ‘Datable’
Checking out 4.0.1 of package ‘Datable’
Creating working copy of package ‘swift-ast’
Checking out 0.19.12 of package ‘swift-ast’
Resolve Package Graph
Resolved source packages:
  Datable: https://github.com/OperatorFoundation/Datable @ 4.0.1
  Net: https://github.com/OperatorFoundation/Net @ 0.0.11
  Song: /Users/admin/builder/spi-builder-workspace
  swift-ast: https://github.com/OperatorFoundation/swift-ast @ 0.19.12
resolved source packages: Datable, Net, Song, swift-ast
2026-09-21 06:40:28.980 xcodebuild[529:3049] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
    {
      "identity" : "swift-ast",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.19.12",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/OperatorFoundation/swift-ast"
    },
    {
      "identity" : "datable",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "4.0.1",
            "upper_bound" : "5.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/OperatorFoundation/Datable"
    },
    {
      "identity" : "net",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.0.11",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/OperatorFoundation/Net"
    }
  ],
  "manifest_display_name" : "Song",
  "name" : "Song",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "14.0"
    },
    {
      "name" : "ios",
      "version" : "15.0"
    }
  ],
  "products" : [
    {
      "name" : "Song",
      "targets" : [
        "Song"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "Composition",
      "targets" : [
        "Composition"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "Chorus",
      "targets" : [
        "Chorus"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "Symphony",
      "targets" : [
        "Symphony"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "Package",
      "targets" : [
        "Package"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "Expressible",
      "targets" : [
        "Expressible"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "SongExpressible",
      "targets" : [
        "SongExpressible"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "compose",
      "targets" : [
        "compose"
      ],
      "type" : {
        "executable" : null
      }
    },
    {
      "name" : "choir",
      "targets" : [
        "choir"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "swift_languages_versions" : [
    "5"
  ],
  "targets" : [
    {
      "c99name" : "compose",
      "module_type" : "SwiftTarget",
      "name" : "compose",
      "path" : "Sources/compose",
      "product_dependencies" : [
        "SwiftAST"
      ],
      "product_memberships" : [
        "compose"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "Composition"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "choir",
      "module_type" : "SwiftTarget",
      "name" : "choir",
      "path" : "Sources/choir",
      "product_dependencies" : [
        "Datable",
        "SwiftAST"
      ],
      "product_memberships" : [
        "choir"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "Chorus",
        "Package"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "SymphonyTests",
      "module_type" : "SwiftTarget",
      "name" : "SymphonyTests",
      "path" : "Tests/SymphonyTests",
      "product_dependencies" : [
        "Datable"
      ],
      "sources" : [
        "SymphonyTests.swift"
      ],
      "target_dependencies" : [
        "Song",
        "Symphony"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Symphony",
      "module_type" : "SwiftTarget",
      "name" : "Symphony",
      "path" : "Sources/Symphony",
      "product_memberships" : [
        "Symphony"
      ],
      "sources" : [
        "Dictionary.swift",
        "ReadOnlySubkeySequence.swift",
        "Sequence.swift",
        "SubkeySequence.swift",
        "Symphony.swift",
        "Value.swift",
        "ValueDictionary.swift",
        "ValueSequence.swift"
      ],
      "target_dependencies" : [
        "Song"
      ],
      "type" : "library"
    },
    {
      "c99name" : "SongTests",
      "module_type" : "SwiftTarget",
      "name" : "SongTests",
      "path" : "Tests/SongTests",
      "product_dependencies" : [
        "Datable"
      ],
      "sources" : [
        "SongTests.swift"
      ],
      "target_dependencies" : [
        "Song",
        "Composition"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SongExpressible",
      "module_type" : "SwiftTarget",
      "name" : "SongExpressible",
      "path" : "Sources/SongExpressible",
      "product_memberships" : [
        "SongExpressible"
      ],
      "sources" : [
        "SongExpressible.swift"
      ],
      "target_dependencies" : [
        "Song",
        "Expressible"
      ],
      "type" : "library"
    },
    {
      "c99name" : "Song",
      "module_type" : "SwiftTarget",
      "name" : "Song",
      "path" : "Sources/Song",
      "product_dependencies" : [
        "SwiftAST",
        "Datable"
      ],
      "product_memberships" : [
        "Song",
        "Symphony",
        "SongExpressible"
      ],
      "sources" : [
        "Decoding/SongDecoder.swift",
        "Decoding/SongKeyedDecodingContainer.swift",
        "Decoding/SongSingleValueDecodingContainer.swift",
        "Decoding/SongUnkeyedDecodingContainer.swift",
        "Encoding/SongEncoder.swift",
        "Encoding/SongKeyedEncodingContainer.swift",
        "Encoding/SongSingleValueEncodingContainer.swift",
        "Encoding/SongUnkeyedEncodingContainer.swift"
      ],
      "target_dependencies" : [
        "Expressible"
      ],
      "type" : "library"
    },
    {
      "c99name" : "Package",
      "module_type" : "SwiftTarget",
      "name" : "Package",
      "path" : "Sources/Package",
      "product_memberships" : [
        "Package",
        "choir"
      ],
      "sources" : [
        "Package.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "ExpressibleTests",
      "module_type" : "SwiftTarget",
      "name" : "ExpressibleTests",
      "path" : "Tests/ExpressibleTests",
      "product_dependencies" : [
        "Net"
      ],
      "sources" : [
        "ExpressibleTests.swift"
      ],
      "target_dependencies" : [
        "Song",
        "Expressible",
        "SongExpressible"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Expressible",
      "module_type" : "SwiftTarget",
      "name" : "Expressible",
      "path" : "Sources/Expressible",
      "product_dependencies" : [
        "Net",
        "SwiftAST"
      ],
      "product_memberships" : [
        "Song",
        "Symphony",
        "Expressible",
        "SongExpressible"
      ],
      "sources" : [
        "Expressible.swift",
        "IPv4Address+Expressible.swift",
        "NWInterface_InterfaceType+Expressible.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "Composition",
      "module_type" : "SwiftTarget",
      "name" : "Composition",
      "path" : "Sources/Composition",
      "product_dependencies" : [
        "Datable",
        "Net"
      ],
      "product_memberships" : [
        "Composition",
        "compose"
      ],
      "sources" : [
        "Composition.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "Chorus",
      "module_type" : "SwiftTarget",
      "name" : "Chorus",
      "path" : "Sources/Chorus",
      "product_memberships" : [
        "Chorus",
        "choir"
      ],
      "sources" : [
        "Chorus.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
{
  "workspace" : {
    "name" : "Song",
    "schemes" : [
      "choir",
      "Chorus",
      "compose",
      "Composition",
      "Expressible",
      "Package",
      "Song",
      "Song-Package",
      "SongExpressible",
      "Symphony"
    ]
  }
}
2026-09-21 06:41:01.202 xcodebuild[758:4525] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Song-Package -destination generic/platform=tvOS
Command line invocation:
    /Applications/Xcode-27.0.0-Release.Candidate.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 Song-Package -destination generic/platform=tvOS
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
  Net: https://github.com/OperatorFoundation/Net @ 0.0.11
  Song: /Users/admin/builder/spi-builder-workspace
  Datable: https://github.com/OperatorFoundation/Datable @ 4.0.1
  swift-ast: https://github.com/OperatorFoundation/swift-ast @ 0.19.12
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (28 targets)
    Target 'choir-product' in project 'Song'
        ➜ Explicit dependency on target 'Chorus' in project 'Song'
        ➜ Explicit dependency on target 'Package' in project 'Song'
        ➜ Explicit dependency on target 'Datable-product' in project 'Datable'
        ➜ Explicit dependency on target 'SwiftAST-product' in project 'swift-ast'
    Target 'compose-product' in project 'Song'
        ➜ Explicit dependency on target 'Composition' in project 'Song'
        ➜ Explicit dependency on target 'Datable-product' in project 'Datable'
        ➜ Explicit dependency on target 'Net-product' in project 'Net'
        ➜ Explicit dependency on target 'SwiftAST-product' in project 'swift-ast'
    Target 'SongExpressible-product' in project 'Song'
        ➜ Explicit dependency on target 'SongExpressible' in project 'Song'
        ➜ Explicit dependency on target 'Expressible' in project 'Song'
        ➜ Explicit dependency on target 'Song' in project 'Song'
        ➜ Explicit dependency on target 'Net-product' in project 'Net'
        ➜ Explicit dependency on target 'SwiftAST-product' in project 'swift-ast'
        ➜ Explicit dependency on target 'Datable-product' in project 'Datable'
    Target 'SongExpressible' in project 'Song'
        ➜ Explicit dependency on target 'Expressible' in project 'Song'
        ➜ Explicit dependency on target 'Song' in project 'Song'
        ➜ Explicit dependency on target 'Net-product' in project 'Net'
        ➜ Explicit dependency on target 'SwiftAST-product' in project 'swift-ast'
        ➜ Explicit dependency on target 'Datable-product' in project 'Datable'
    Target 'Expressible-product' in project 'Song'
        ➜ Explicit dependency on target 'Expressible' in project 'Song'
        ➜ Explicit dependency on target 'Net-product' in project 'Net'
        ➜ Explicit dependency on target 'SwiftAST-product' in project 'swift-ast'
    Target 'Package-product' in project 'Song'
        ➜ Explicit dependency on target 'Package' in project 'Song'
    Target 'Package' in project 'Song' (no dependencies)
    Target 'Symphony-product' in project 'Song'
        ➜ Explicit dependency on target 'Symphony' in project 'Song'
        ➜ Explicit dependency on target 'Expressible' in project 'Song'
        ➜ Explicit dependency on target 'Song' in project 'Song'
        ➜ Explicit dependency on target 'Net-product' in project 'Net'
        ➜ Explicit dependency on target 'SwiftAST-product' in project 'swift-ast'
        ➜ Explicit dependency on target 'Datable-product' in project 'Datable'
    Target 'Symphony' in project 'Song'
        ➜ Explicit dependency on target 'Expressible' in project 'Song'
        ➜ Explicit dependency on target 'Song' in project 'Song'
        ➜ Explicit dependency on target 'Net-product' in project 'Net'
        ➜ Explicit dependency on target 'SwiftAST-product' in project 'swift-ast'
        ➜ Explicit dependency on target 'Datable-product' in project 'Datable'
    Target 'Chorus-product' in project 'Song'
        ➜ Explicit dependency on target 'Chorus' in project 'Song'
    Target 'Chorus' in project 'Song' (no dependencies)
    Target 'Composition-product' in project 'Song'
        ➜ Explicit dependency on target 'Composition' in project 'Song'
        ➜ Explicit dependency on target 'Datable-product' in project 'Datable'
        ➜ Explicit dependency on target 'Net-product' in project 'Net'
    Target 'Composition' in project 'Song'
        ➜ Explicit dependency on target 'Datable-product' in project 'Datable'
        ➜ Explicit dependency on target 'Net-product' in project 'Net'
    Target 'Song-product' in project 'Song'
        ➜ Explicit dependency on target 'Song' in project 'Song'
        ➜ Explicit dependency on target 'Expressible' in project 'Song'
        ➜ Explicit dependency on target 'Net-product' in project 'Net'
        ➜ Explicit dependency on target 'SwiftAST-product' in project 'swift-ast'
        ➜ Explicit dependency on target 'Datable-product' in project 'Datable'
    Target 'Song' in project 'Song'
        ➜ Explicit dependency on target 'Expressible' in project 'Song'
        ➜ Explicit dependency on target 'Net-product' in project 'Net'
        ➜ Explicit dependency on target 'SwiftAST-product' in project 'swift-ast'
        ➜ Explicit dependency on target 'Datable-product' in project 'Datable'
    Target 'Expressible' in project 'Song'
        ➜ Explicit dependency on target 'Net-product' in project 'Net'
        ➜ Explicit dependency on target 'SwiftAST-product' in project 'swift-ast'
    Target 'SwiftAST-product' in project 'swift-ast'
        ➜ Explicit dependency on target 'Bocho' in project 'swift-ast'
        ➜ Explicit dependency on target 'Source' in project 'swift-ast'
        ➜ Explicit dependency on target 'Diagnostic' in project 'swift-ast'
        ➜ Explicit dependency on target 'AST' in project 'swift-ast'
        ➜ Explicit dependency on target 'Lexer' in project 'swift-ast'
        ➜ Explicit dependency on target 'Parser' in project 'swift-ast'
        ➜ Explicit dependency on target 'Sema' in project 'swift-ast'
    Target 'Sema' in project 'swift-ast'
        ➜ Explicit dependency on target 'Bocho' in project 'swift-ast'
        ➜ Explicit dependency on target 'Source' in project 'swift-ast'
        ➜ Explicit dependency on target 'Diagnostic' in project 'swift-ast'
        ➜ Explicit dependency on target 'AST' in project 'swift-ast'
    Target 'Parser' in project 'swift-ast'
        ➜ Explicit dependency on target 'Bocho' in project 'swift-ast'
        ➜ Explicit dependency on target 'Source' in project 'swift-ast'
        ➜ Explicit dependency on target 'Diagnostic' in project 'swift-ast'
        ➜ Explicit dependency on target 'AST' in project 'swift-ast'
        ➜ Explicit dependency on target 'Lexer' in project 'swift-ast'
    Target 'Lexer' in project 'swift-ast'
        ➜ Explicit dependency on target 'Bocho' in project 'swift-ast'
        ➜ Explicit dependency on target 'Source' in project 'swift-ast'
        ➜ Explicit dependency on target 'Diagnostic' in project 'swift-ast'
    Target 'AST' in project 'swift-ast'
        ➜ Explicit dependency on target 'Bocho' in project 'swift-ast'
        ➜ Explicit dependency on target 'Source' in project 'swift-ast'
        ➜ Explicit dependency on target 'Diagnostic' in project 'swift-ast'
    Target 'Diagnostic' in project 'swift-ast'
        ➜ Explicit dependency on target 'Bocho' in project 'swift-ast'
        ➜ Explicit dependency on target 'Source' in project 'swift-ast'
    Target 'Source' in project 'swift-ast'
        ➜ Explicit dependency on target 'Bocho' in project 'swift-ast'
    Target 'Bocho' in project 'swift-ast' (no dependencies)
    Target 'Net-product' in project 'Net'
        ➜ Explicit dependency on target 'Net' in project 'Net'
        ➜ Explicit dependency on target 'Datable-product' in project 'Datable'
    Target 'Net' in project 'Net'
        ➜ Explicit dependency on target 'Datable-product' in project 'Datable'
    Target 'Datable-product' in project 'Datable'
        ➜ Explicit dependency on target 'Datable' in project 'Datable'
    Target 'Datable' in project 'Datable' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS27.0.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 15baceb194189feb428097171d4e8d8c
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/15baceb194189feb428097171d4e8d8c.xcbuilddata
error: The package product 'Net-product' requires minimum platform version 16.0 for the tvOS platform, but this target supports 15.0 (in target 'Symphony' from project 'Song')
error: The package product 'Net-product' requires minimum platform version 16.0 for the tvOS platform, but this target supports 15.0 (in target 'Expressible' from project 'Song')
error: The package product 'Net-product' requires minimum platform version 16.0 for the tvOS platform, but this target supports 15.0 (in target 'SongExpressible' from project 'Song')
error: The package product 'Net-product' requires minimum platform version 16.0 for the tvOS platform, but this target supports 15.0 (in target 'compose-product' from project 'Song')
error: The package product 'Net-product' requires minimum platform version 16.0 for the tvOS platform, but this target supports 15.0 (in target 'Composition' from project 'Song')
error: The package product 'Net-product' requires minimum platform version 16.0 for the tvOS platform, but this target supports 15.0 (in target 'Song' from project 'Song')
2026-09-21 06:41:04.224 xcodebuild[759:4566] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
	Building workspace Song with scheme Song-Package
(1 failure)
Command line invocation:
    /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolved source packages:
  swift-ast: https://github.com/OperatorFoundation/swift-ast @ 0.19.12
  Song: /Users/admin/builder/spi-builder-workspace
  Datable: https://github.com/OperatorFoundation/Datable @ 4.0.1
  Net: https://github.com/OperatorFoundation/Net @ 0.0.11
resolved source packages: swift-ast, Song, Datable, Net
2026-09-21 06:41:07.400 xcodebuild[797:4803] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
    {
      "identity" : "swift-ast",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.19.12",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/OperatorFoundation/swift-ast"
    },
    {
      "identity" : "datable",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "4.0.1",
            "upper_bound" : "5.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/OperatorFoundation/Datable"
    },
    {
      "identity" : "net",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.0.11",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/OperatorFoundation/Net"
    }
  ],
  "manifest_display_name" : "Song",
  "name" : "Song",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "14.0"
    },
    {
      "name" : "ios",
      "version" : "15.0"
    }
  ],
  "products" : [
    {
      "name" : "Song",
      "targets" : [
        "Song"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "Composition",
      "targets" : [
        "Composition"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "Chorus",
      "targets" : [
        "Chorus"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "Symphony",
      "targets" : [
        "Symphony"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "Package",
      "targets" : [
        "Package"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "Expressible",
      "targets" : [
        "Expressible"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "SongExpressible",
      "targets" : [
        "SongExpressible"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "compose",
      "targets" : [
        "compose"
      ],
      "type" : {
        "executable" : null
      }
    },
    {
      "name" : "choir",
      "targets" : [
        "choir"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "swift_languages_versions" : [
    "5"
  ],
  "targets" : [
    {
      "c99name" : "compose",
      "module_type" : "SwiftTarget",
      "name" : "compose",
      "path" : "Sources/compose",
      "product_dependencies" : [
        "SwiftAST"
      ],
      "product_memberships" : [
        "compose"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "Composition"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "choir",
      "module_type" : "SwiftTarget",
      "name" : "choir",
      "path" : "Sources/choir",
      "product_dependencies" : [
        "Datable",
        "SwiftAST"
      ],
      "product_memberships" : [
        "choir"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "Chorus",
        "Package"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "SymphonyTests",
      "module_type" : "SwiftTarget",
      "name" : "SymphonyTests",
      "path" : "Tests/SymphonyTests",
      "product_dependencies" : [
        "Datable"
      ],
      "sources" : [
        "SymphonyTests.swift"
      ],
      "target_dependencies" : [
        "Song",
        "Symphony"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Symphony",
      "module_type" : "SwiftTarget",
      "name" : "Symphony",
      "path" : "Sources/Symphony",
      "product_memberships" : [
        "Symphony"
      ],
      "sources" : [
        "Dictionary.swift",
        "ReadOnlySubkeySequence.swift",
        "Sequence.swift",
        "SubkeySequence.swift",
        "Symphony.swift",
        "Value.swift",
        "ValueDictionary.swift",
        "ValueSequence.swift"
      ],
      "target_dependencies" : [
        "Song"
      ],
      "type" : "library"
    },
    {
      "c99name" : "SongTests",
      "module_type" : "SwiftTarget",
      "name" : "SongTests",
      "path" : "Tests/SongTests",
      "product_dependencies" : [
        "Datable"
      ],
      "sources" : [
        "SongTests.swift"
      ],
      "target_dependencies" : [
        "Song",
        "Composition"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SongExpressible",
      "module_type" : "SwiftTarget",
      "name" : "SongExpressible",
      "path" : "Sources/SongExpressible",
      "product_memberships" : [
        "SongExpressible"
      ],
      "sources" : [
        "SongExpressible.swift"
      ],
      "target_dependencies" : [
        "Song",
        "Expressible"
      ],
      "type" : "library"
    },
    {
      "c99name" : "Song",
      "module_type" : "SwiftTarget",
      "name" : "Song",
      "path" : "Sources/Song",
      "product_dependencies" : [
        "SwiftAST",
        "Datable"
      ],
      "product_memberships" : [
        "Song",
        "Symphony",
        "SongExpressible"
      ],
      "sources" : [
        "Decoding/SongDecoder.swift",
        "Decoding/SongKeyedDecodingContainer.swift",
        "Decoding/SongSingleValueDecodingContainer.swift",
        "Decoding/SongUnkeyedDecodingContainer.swift",
        "Encoding/SongEncoder.swift",
        "Encoding/SongKeyedEncodingContainer.swift",
        "Encoding/SongSingleValueEncodingContainer.swift",
        "Encoding/SongUnkeyedEncodingContainer.swift"
      ],
      "target_dependencies" : [
        "Expressible"
      ],
      "type" : "library"
    },
    {
      "c99name" : "Package",
      "module_type" : "SwiftTarget",
      "name" : "Package",
      "path" : "Sources/Package",
      "product_memberships" : [
        "Package",
        "choir"
      ],
      "sources" : [
        "Package.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "ExpressibleTests",
      "module_type" : "SwiftTarget",
      "name" : "ExpressibleTests",
      "path" : "Tests/ExpressibleTests",
      "product_dependencies" : [
        "Net"
      ],
      "sources" : [
        "ExpressibleTests.swift"
      ],
      "target_dependencies" : [
        "Song",
        "Expressible",
        "SongExpressible"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Expressible",
      "module_type" : "SwiftTarget",
      "name" : "Expressible",
      "path" : "Sources/Expressible",
      "product_dependencies" : [
        "Net",
        "SwiftAST"
      ],
      "product_memberships" : [
        "Song",
        "Symphony",
        "Expressible",
        "SongExpressible"
      ],
      "sources" : [
        "Expressible.swift",
        "IPv4Address+Expressible.swift",
        "NWInterface_InterfaceType+Expressible.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "Composition",
      "module_type" : "SwiftTarget",
      "name" : "Composition",
      "path" : "Sources/Composition",
      "product_dependencies" : [
        "Datable",
        "Net"
      ],
      "product_memberships" : [
        "Composition",
        "compose"
      ],
      "sources" : [
        "Composition.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "Chorus",
      "module_type" : "SwiftTarget",
      "name" : "Chorus",
      "path" : "Sources/Chorus",
      "product_memberships" : [
        "Chorus",
        "choir"
      ],
      "sources" : [
        "Chorus.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
{
  "workspace" : {
    "name" : "Song",
    "schemes" : [
      "choir",
      "Chorus",
      "compose",
      "Composition",
      "Expressible",
      "Package",
      "Song",
      "Song-Package",
      "SongExpressible",
      "Symphony"
    ]
  }
}
2026-09-21 06:41:08.761 xcodebuild[805:4875] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Song-Package -destination generic/platform=tvOS
Command line invocation:
    /Applications/Xcode-27.0.0-Release.Candidate.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 Song-Package -destination generic/platform=tvOS
Resolve Package Graph
Resolved source packages:
  Song: /Users/admin/builder/spi-builder-workspace
  swift-ast: https://github.com/OperatorFoundation/swift-ast @ 0.19.12
  Datable: https://github.com/OperatorFoundation/Datable @ 4.0.1
  Net: https://github.com/OperatorFoundation/Net @ 0.0.11
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (28 targets)
    Target 'choir-product' in project 'Song'
        ➜ Explicit dependency on target 'Chorus' in project 'Song'
        ➜ Explicit dependency on target 'Package' in project 'Song'
        ➜ Explicit dependency on target 'Datable-product' in project 'Datable'
        ➜ Explicit dependency on target 'SwiftAST-product' in project 'swift-ast'
    Target 'compose-product' in project 'Song'
        ➜ Explicit dependency on target 'Composition' in project 'Song'
        ➜ Explicit dependency on target 'Datable-product' in project 'Datable'
        ➜ Explicit dependency on target 'Net-product' in project 'Net'
        ➜ Explicit dependency on target 'SwiftAST-product' in project 'swift-ast'
    Target 'SongExpressible-product' in project 'Song'
        ➜ Explicit dependency on target 'SongExpressible' in project 'Song'
        ➜ Explicit dependency on target 'Expressible' in project 'Song'
        ➜ Explicit dependency on target 'Song' in project 'Song'
        ➜ Explicit dependency on target 'Net-product' in project 'Net'
        ➜ Explicit dependency on target 'SwiftAST-product' in project 'swift-ast'
        ➜ Explicit dependency on target 'Datable-product' in project 'Datable'
    Target 'SongExpressible' in project 'Song'
        ➜ Explicit dependency on target 'Expressible' in project 'Song'
        ➜ Explicit dependency on target 'Song' in project 'Song'
        ➜ Explicit dependency on target 'Net-product' in project 'Net'
        ➜ Explicit dependency on target 'SwiftAST-product' in project 'swift-ast'
        ➜ Explicit dependency on target 'Datable-product' in project 'Datable'
    Target 'Expressible-product' in project 'Song'
        ➜ Explicit dependency on target 'Expressible' in project 'Song'
        ➜ Explicit dependency on target 'Net-product' in project 'Net'
        ➜ Explicit dependency on target 'SwiftAST-product' in project 'swift-ast'
    Target 'Package-product' in project 'Song'
        ➜ Explicit dependency on target 'Package' in project 'Song'
    Target 'Package' in project 'Song' (no dependencies)
    Target 'Symphony-product' in project 'Song'
        ➜ Explicit dependency on target 'Symphony' in project 'Song'
        ➜ Explicit dependency on target 'Expressible' in project 'Song'
        ➜ Explicit dependency on target 'Song' in project 'Song'
        ➜ Explicit dependency on target 'Net-product' in project 'Net'
        ➜ Explicit dependency on target 'SwiftAST-product' in project 'swift-ast'
        ➜ Explicit dependency on target 'Datable-product' in project 'Datable'
    Target 'Symphony' in project 'Song'
        ➜ Explicit dependency on target 'Expressible' in project 'Song'
        ➜ Explicit dependency on target 'Song' in project 'Song'
        ➜ Explicit dependency on target 'Net-product' in project 'Net'
        ➜ Explicit dependency on target 'SwiftAST-product' in project 'swift-ast'
        ➜ Explicit dependency on target 'Datable-product' in project 'Datable'
    Target 'Chorus-product' in project 'Song'
        ➜ Explicit dependency on target 'Chorus' in project 'Song'
    Target 'Chorus' in project 'Song' (no dependencies)
    Target 'Composition-product' in project 'Song'
        ➜ Explicit dependency on target 'Composition' in project 'Song'
        ➜ Explicit dependency on target 'Datable-product' in project 'Datable'
        ➜ Explicit dependency on target 'Net-product' in project 'Net'
    Target 'Composition' in project 'Song'
        ➜ Explicit dependency on target 'Datable-product' in project 'Datable'
        ➜ Explicit dependency on target 'Net-product' in project 'Net'
    Target 'Song-product' in project 'Song'
        ➜ Explicit dependency on target 'Song' in project 'Song'
        ➜ Explicit dependency on target 'Expressible' in project 'Song'
        ➜ Explicit dependency on target 'Net-product' in project 'Net'
        ➜ Explicit dependency on target 'SwiftAST-product' in project 'swift-ast'
        ➜ Explicit dependency on target 'Datable-product' in project 'Datable'
    Target 'Song' in project 'Song'
        ➜ Explicit dependency on target 'Expressible' in project 'Song'
        ➜ Explicit dependency on target 'Net-product' in project 'Net'
        ➜ Explicit dependency on target 'SwiftAST-product' in project 'swift-ast'
        ➜ Explicit dependency on target 'Datable-product' in project 'Datable'
    Target 'Expressible' in project 'Song'
        ➜ Explicit dependency on target 'Net-product' in project 'Net'
        ➜ Explicit dependency on target 'SwiftAST-product' in project 'swift-ast'
    Target 'SwiftAST-product' in project 'swift-ast'
        ➜ Explicit dependency on target 'Bocho' in project 'swift-ast'
        ➜ Explicit dependency on target 'Source' in project 'swift-ast'
        ➜ Explicit dependency on target 'Diagnostic' in project 'swift-ast'
        ➜ Explicit dependency on target 'AST' in project 'swift-ast'
        ➜ Explicit dependency on target 'Lexer' in project 'swift-ast'
        ➜ Explicit dependency on target 'Parser' in project 'swift-ast'
        ➜ Explicit dependency on target 'Sema' in project 'swift-ast'
    Target 'Sema' in project 'swift-ast'
        ➜ Explicit dependency on target 'Bocho' in project 'swift-ast'
        ➜ Explicit dependency on target 'Source' in project 'swift-ast'
        ➜ Explicit dependency on target 'Diagnostic' in project 'swift-ast'
        ➜ Explicit dependency on target 'AST' in project 'swift-ast'
    Target 'Parser' in project 'swift-ast'
        ➜ Explicit dependency on target 'Bocho' in project 'swift-ast'
        ➜ Explicit dependency on target 'Source' in project 'swift-ast'
        ➜ Explicit dependency on target 'Diagnostic' in project 'swift-ast'
        ➜ Explicit dependency on target 'AST' in project 'swift-ast'
        ➜ Explicit dependency on target 'Lexer' in project 'swift-ast'
    Target 'Lexer' in project 'swift-ast'
        ➜ Explicit dependency on target 'Bocho' in project 'swift-ast'
        ➜ Explicit dependency on target 'Source' in project 'swift-ast'
        ➜ Explicit dependency on target 'Diagnostic' in project 'swift-ast'
    Target 'AST' in project 'swift-ast'
        ➜ Explicit dependency on target 'Bocho' in project 'swift-ast'
        ➜ Explicit dependency on target 'Source' in project 'swift-ast'
        ➜ Explicit dependency on target 'Diagnostic' in project 'swift-ast'
    Target 'Diagnostic' in project 'swift-ast'
        ➜ Explicit dependency on target 'Bocho' in project 'swift-ast'
        ➜ Explicit dependency on target 'Source' in project 'swift-ast'
    Target 'Source' in project 'swift-ast'
        ➜ Explicit dependency on target 'Bocho' in project 'swift-ast'
    Target 'Bocho' in project 'swift-ast' (no dependencies)
    Target 'Net-product' in project 'Net'
        ➜ Explicit dependency on target 'Net' in project 'Net'
        ➜ Explicit dependency on target 'Datable-product' in project 'Datable'
    Target 'Net' in project 'Net'
        ➜ Explicit dependency on target 'Datable-product' in project 'Datable'
    Target 'Datable-product' in project 'Datable'
        ➜ Explicit dependency on target 'Datable' in project 'Datable'
    Target 'Datable' in project 'Datable' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
error: The package product 'Net-product' requires minimum platform version 16.0 for the tvOS platform, but this target supports 15.0 (in target 'Symphony' from project 'Song')
error: The package product 'Net-product' requires minimum platform version 16.0 for the tvOS platform, but this target supports 15.0 (in target 'compose-product' from project 'Song')
error: The package product 'Net-product' requires minimum platform version 16.0 for the tvOS platform, but this target supports 15.0 (in target 'SongExpressible' from project 'Song')
error: The package product 'Net-product' requires minimum platform version 16.0 for the tvOS platform, but this target supports 15.0 (in target 'Expressible' from project 'Song')
error: The package product 'Net-product' requires minimum platform version 16.0 for the tvOS platform, but this target supports 15.0 (in target 'Song' from project 'Song')
error: The package product 'Net-product' requires minimum platform version 16.0 for the tvOS platform, but this target supports 15.0 (in target 'Composition' from project 'Song')
2026-09-21 06:41:09.832 xcodebuild[806:4900] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
	Building workspace Song with scheme Song-Package
(1 failure)
BUILD FAILURE 6.4 tvOS