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Build Information

Failed to build Ergo, reference main (acdfc7), with Swift 6.2 for watchOS using Xcode 26.3 on 14 Oct 2026 22:38:46 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Ergo -destination generic/platform=watchOS

Build Log

========================================
RunAll
========================================
Builder version: 5.1.2
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Fleuronic/Ergo.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Fleuronic/Ergo
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at acdfc75 Update submodule
Submodule path 'Submodules/ErgoAppKit': checked out '3bf8cdffba83eed1966345038de2b3c623030ab9'
Submodule path 'Submodules/ErgoDeclarativeUIKit': checked out 'f595a661f59f1b723b1d5f6e94f2564aefcf3346'
Submodule path 'Submodules/ErgoUIKit': checked out '5197af0956b294008c73db07c657239597defb4b'
Submodule 'ErgoAppKit' (https://github.com/Fleuronic/ErgoAppKit) registered for path 'Submodules/ErgoAppKit'
Submodule 'ErgoDeclarativeUIKit' (https://github.com/Fleuronic/ErgoDeclarativeUIKit) registered for path 'Submodules/ErgoDeclarativeUIKit'
Submodule 'ErgoUIKit' (https://github.com/Fleuronic/ErgoUIKit) registered for path 'Submodules/ErgoUIKit'
Cloning into '/Users/admin/builder/spi-builder-workspace/Submodules/ErgoAppKit'...
Cloning into '/Users/admin/builder/spi-builder-workspace/Submodules/ErgoDeclarativeUIKit'...
Cloning into '/Users/admin/builder/spi-builder-workspace/Submodules/ErgoUIKit'...
Cloned https://github.com/Fleuronic/Ergo.git
Revision (git rev-parse @):
acdfc759a9a7470d7aa2ddbb1d9baf8ac28d7581
SUCCESS checkout https://github.com/Fleuronic/Ergo.git at main
========================================
Build
========================================
Selected platform:         watchOS
Swift version:             6.2
Building package at path:  $PWD
https://github.com/Fleuronic/Ergo.git
Command line invocation:
    /Applications/Xcode-26.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Fetching from https://github.com/jordanekay/workflow-swift
Fetching from https://github.com/ReactiveCocoa/ReactiveSwift.git
Fetching from https://github.com/pointfreeco/swift-identified-collections
Fetching from https://github.com/swiftlang/swift-syntax
Fetching from https://github.com/pointfreeco/swift-custom-dump
Fetching from https://github.com/pointfreeco/swift-case-paths
Fetching from https://github.com/apple/swift-collections
Fetching from https://github.com/pointfreeco/xctest-dynamic-overlay
Creating working copy of package ‘swift-collections’
Checking out 1.7.3 of package ‘swift-collections’
Creating working copy of package ‘swift-identified-collections’
Checking out 1.1.1 of package ‘swift-identified-collections’
Creating working copy of package ‘xctest-dynamic-overlay’
Checking out 1.13.1 of package ‘xctest-dynamic-overlay’
Creating working copy of package ‘swift-custom-dump’
Checking out 1.7.3 of package ‘swift-custom-dump’
Creating working copy of package ‘ReactiveSwift’
Checking out swift-concurrency (3d40187) of package ‘ReactiveSwift’
Creating working copy of package ‘swift-case-paths’
Checking out 1.10.0 of package ‘swift-case-paths’
Creating working copy of package ‘swift-syntax’
Checking out 600.0.1 of package ‘swift-syntax’
Creating working copy of package ‘workflow-swift’
Checking out main (9d3e621) of package ‘workflow-swift’
Downloading package prebuilt https://download.swift.org/prebuilts/swift-syntax/600.0.1/swiftlang-6.2.4.1.4-MacroSupport-macos_aarch64.zip
Resolve Package Graph
Downloading package prebuilt https://download.swift.org/prebuilts/swift-syntax/600.0.1/swiftlang-6.2.4.1.4-MacroSupport-macos_aarch64.zip
Resolve Package Graph
Downloading package prebuilt https://download.swift.org/prebuilts/swift-syntax/600.0.1/swiftlang-6.2.4.1.4-MacroSupport-macos_aarch64.zip
Resolved source packages:
  swift-collections: https://github.com/apple/swift-collections @ 1.7.3
  Ergo: /Users/admin/builder/spi-builder-workspace
  swift-case-paths: https://github.com/pointfreeco/swift-case-paths @ 1.10.0
  ReactiveSwift: https://github.com/ReactiveCocoa/ReactiveSwift.git @ swift-concurrency (3d40187)
  swift-custom-dump: https://github.com/pointfreeco/swift-custom-dump @ 1.7.3
  Workflow: https://github.com/jordanekay/workflow-swift @ main (9d3e621)
  swift-syntax: https://github.com/swiftlang/swift-syntax @ 600.0.1
  swift-identified-collections: https://github.com/pointfreeco/swift-identified-collections @ 1.1.1
  xctest-dynamic-overlay: https://github.com/pointfreeco/xctest-dynamic-overlay @ 1.13.1
resolved source packages: swift-collections, Ergo, swift-case-paths, ReactiveSwift, swift-custom-dump, Workflow, swift-syntax, swift-identified-collections, xctest-dynamic-overlay
2026-10-14 18:37:54.033 xcodebuild[569:3204] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
    {
      "identity" : "workflow-swift",
      "requirement" : {
        "branch" : [
          "main"
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/jordanekay/workflow-swift"
    }
  ],
  "manifest_display_name" : "Ergo",
  "name" : "Ergo",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "macos",
      "version" : "14.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    }
  ],
  "products" : [
    {
      "name" : "Ergo",
      "targets" : [
        "Ergo"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "6"
  ],
  "targets" : [
    {
      "c99name" : "Ergo",
      "module_type" : "SwiftTarget",
      "name" : "Ergo",
      "path" : "Sources/Ergo",
      "product_dependencies" : [
        "WorkflowReactiveSwift"
      ],
      "product_memberships" : [
        "Ergo"
      ],
      "sources" : [
        "Action.swift",
        "SideEffect.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "Ergo"
    ]
  }
}
2026-10-14 18:38:16.936 xcodebuild[1108:5905] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Ergo -destination generic/platform=watchOS
Command line invocation:
    /Applications/Xcode-26.3.0.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 Ergo -destination generic/platform=watchOS
Resolve Package Graph
Downloading package prebuilt https://download.swift.org/prebuilts/swift-syntax/600.0.1/swiftlang-6.2.4.1.4-MacroSupport-macos_aarch64.zip
Resolve Package Graph
Downloading package prebuilt https://download.swift.org/prebuilts/swift-syntax/600.0.1/swiftlang-6.2.4.1.4-MacroSupport-macos_aarch64.zip
Resolve Package Graph
Downloading package prebuilt https://download.swift.org/prebuilts/swift-syntax/600.0.1/swiftlang-6.2.4.1.4-MacroSupport-macos_aarch64.zip
Resolved source packages:
  swift-syntax: https://github.com/swiftlang/swift-syntax @ 600.0.1
  swift-identified-collections: https://github.com/pointfreeco/swift-identified-collections @ 1.1.1
  ReactiveSwift: https://github.com/ReactiveCocoa/ReactiveSwift.git @ swift-concurrency (3d40187)
  swift-case-paths: https://github.com/pointfreeco/swift-case-paths @ 1.10.0
  Workflow: https://github.com/jordanekay/workflow-swift @ main (9d3e621)
  swift-collections: https://github.com/apple/swift-collections @ 1.7.3
  xctest-dynamic-overlay: https://github.com/pointfreeco/xctest-dynamic-overlay @ 1.13.1
  Ergo: /Users/admin/builder/spi-builder-workspace
  swift-custom-dump: https://github.com/pointfreeco/swift-custom-dump @ 1.7.3
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (7 targets)
    Target 'Ergo' in project 'Ergo'
        ➜ Explicit dependency on target 'Ergo' in project 'Ergo'
        ➜ Explicit dependency on target 'WorkflowReactiveSwift' in project 'Workflow'
    Target 'Ergo' in project 'Ergo'
        ➜ Explicit dependency on target 'WorkflowReactiveSwift' in project 'Workflow'
    Target 'WorkflowReactiveSwift' in project 'Workflow'
        ➜ Explicit dependency on target 'WorkflowReactiveSwift' in project 'Workflow'
        ➜ Explicit dependency on target 'Workflow' in project 'Workflow'
        ➜ Explicit dependency on target 'ReactiveSwift' in project 'ReactiveSwift'
    Target 'WorkflowReactiveSwift' in project 'Workflow'
        ➜ Explicit dependency on target 'Workflow' in project 'Workflow'
        ➜ Explicit dependency on target 'ReactiveSwift' in project 'ReactiveSwift'
    Target 'Workflow' in project 'Workflow'
        ➜ Explicit dependency on target 'ReactiveSwift' in project 'ReactiveSwift'
    Target 'ReactiveSwift' in project 'ReactiveSwift'
        ➜ Explicit dependency on target 'ReactiveSwift' in project 'ReactiveSwift'
    Target 'ReactiveSwift' in project 'ReactiveSwift' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.2.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: d5ac7b1aedc78c1e2a6d1f3ad8642296
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/d5ac7b1aedc78c1e2a6d1f3ad8642296.xcbuilddata
error: The package product 'WorkflowReactiveSwift' requires minimum platform version 8.0 for the watchOS platform, but this target supports 6.0 (in target 'Ergo' from project 'Ergo')
2026-10-14 18:38:26.434 xcodebuild[1182:6200] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
	Building workspace spi-builder-workspace with scheme Ergo
(1 failure)
Command line invocation:
    /Applications/Xcode-26.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Downloading package prebuilt https://download.swift.org/prebuilts/swift-syntax/600.0.1/swiftlang-6.2.4.1.4-MacroSupport-macos_aarch64.zip
Resolve Package Graph
Downloading package prebuilt https://download.swift.org/prebuilts/swift-syntax/600.0.1/swiftlang-6.2.4.1.4-MacroSupport-macos_aarch64.zip
Resolve Package Graph
Downloading package prebuilt https://download.swift.org/prebuilts/swift-syntax/600.0.1/swiftlang-6.2.4.1.4-MacroSupport-macos_aarch64.zip
Resolved source packages:
  swift-custom-dump: https://github.com/pointfreeco/swift-custom-dump @ 1.7.3
  swift-case-paths: https://github.com/pointfreeco/swift-case-paths @ 1.10.0
  Ergo: /Users/admin/builder/spi-builder-workspace
  swift-syntax: https://github.com/swiftlang/swift-syntax @ 600.0.1
  xctest-dynamic-overlay: https://github.com/pointfreeco/xctest-dynamic-overlay @ 1.13.1
  ReactiveSwift: https://github.com/ReactiveCocoa/ReactiveSwift.git @ swift-concurrency (3d40187)
  Workflow: https://github.com/jordanekay/workflow-swift @ main (9d3e621)
  swift-collections: https://github.com/apple/swift-collections @ 1.7.3
  swift-identified-collections: https://github.com/pointfreeco/swift-identified-collections @ 1.1.1
resolved source packages: swift-custom-dump, swift-case-paths, Ergo, swift-syntax, xctest-dynamic-overlay, ReactiveSwift, Workflow, swift-collections, swift-identified-collections
2026-10-14 18:38:33.915 xcodebuild[1340:6902] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
    {
      "identity" : "workflow-swift",
      "requirement" : {
        "branch" : [
          "main"
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/jordanekay/workflow-swift"
    }
  ],
  "manifest_display_name" : "Ergo",
  "name" : "Ergo",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "macos",
      "version" : "14.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    }
  ],
  "products" : [
    {
      "name" : "Ergo",
      "targets" : [
        "Ergo"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "6"
  ],
  "targets" : [
    {
      "c99name" : "Ergo",
      "module_type" : "SwiftTarget",
      "name" : "Ergo",
      "path" : "Sources/Ergo",
      "product_dependencies" : [
        "WorkflowReactiveSwift"
      ],
      "product_memberships" : [
        "Ergo"
      ],
      "sources" : [
        "Action.swift",
        "SideEffect.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "Ergo"
    ]
  }
}
2026-10-14 18:38:39.318 xcodebuild[1420:7197] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Ergo -destination generic/platform=watchOS
Command line invocation:
    /Applications/Xcode-26.3.0.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 Ergo -destination generic/platform=watchOS
Resolve Package Graph
Downloading package prebuilt https://download.swift.org/prebuilts/swift-syntax/600.0.1/swiftlang-6.2.4.1.4-MacroSupport-macos_aarch64.zip
Resolve Package Graph
Downloading package prebuilt https://download.swift.org/prebuilts/swift-syntax/600.0.1/swiftlang-6.2.4.1.4-MacroSupport-macos_aarch64.zip
Resolved source packages:
  xctest-dynamic-overlay: https://github.com/pointfreeco/xctest-dynamic-overlay @ 1.13.1
  Ergo: /Users/admin/builder/spi-builder-workspace
  swift-collections: https://github.com/apple/swift-collections @ 1.7.3
  Workflow: https://github.com/jordanekay/workflow-swift @ main (9d3e621)
  swift-identified-collections: https://github.com/pointfreeco/swift-identified-collections @ 1.1.1
  swift-case-paths: https://github.com/pointfreeco/swift-case-paths @ 1.10.0
  swift-custom-dump: https://github.com/pointfreeco/swift-custom-dump @ 1.7.3
  ReactiveSwift: https://github.com/ReactiveCocoa/ReactiveSwift.git @ swift-concurrency (3d40187)
  swift-syntax: https://github.com/swiftlang/swift-syntax @ 600.0.1
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (7 targets)
    Target 'Ergo' in project 'Ergo'
        ➜ Explicit dependency on target 'Ergo' in project 'Ergo'
        ➜ Explicit dependency on target 'WorkflowReactiveSwift' in project 'Workflow'
    Target 'Ergo' in project 'Ergo'
        ➜ Explicit dependency on target 'WorkflowReactiveSwift' in project 'Workflow'
    Target 'WorkflowReactiveSwift' in project 'Workflow'
        ➜ Explicit dependency on target 'WorkflowReactiveSwift' in project 'Workflow'
        ➜ Explicit dependency on target 'Workflow' in project 'Workflow'
        ➜ Explicit dependency on target 'ReactiveSwift' in project 'ReactiveSwift'
    Target 'WorkflowReactiveSwift' in project 'Workflow'
        ➜ Explicit dependency on target 'Workflow' in project 'Workflow'
        ➜ Explicit dependency on target 'ReactiveSwift' in project 'ReactiveSwift'
    Target 'Workflow' in project 'Workflow'
        ➜ Explicit dependency on target 'ReactiveSwift' in project 'ReactiveSwift'
    Target 'ReactiveSwift' in project 'ReactiveSwift'
        ➜ Explicit dependency on target 'ReactiveSwift' in project 'ReactiveSwift'
    Target 'ReactiveSwift' in project 'ReactiveSwift' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.2.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: d5ac7b1aedc78c1e2a6d1f3ad8642296
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/d5ac7b1aedc78c1e2a6d1f3ad8642296.xcbuilddata
error: The package product 'WorkflowReactiveSwift' requires minimum platform version 8.0 for the watchOS platform, but this target supports 6.0 (in target 'Ergo' from project 'Ergo')
2026-10-14 18:38:44.469 xcodebuild[1494:7474] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
	Building workspace spi-builder-workspace with scheme Ergo
(1 failure)
BUILD FAILURE 6.2 watchOS