Swift Package Index

Build Information

Failed to build MempoolKit, reference main (0bb792), with Swift 6.3 for watchOS using Xcode 26.4 on 22 Apr 2026 15:08:46 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme MempoolKit -destination generic/platform=watchOS

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/FlorianHubl/MempoolKit.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/FlorianHubl/MempoolKit
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 0bb7920 Merge pull request #2 from psalzAppDev/main
Cloned https://github.com/FlorianHubl/MempoolKit.git
Revision (git rev-parse @):
0bb7920abae7e8aa0aea211b84e8e641d920eeed
SUCCESS checkout https://github.com/FlorianHubl/MempoolKit.git at main
========================================
Build
========================================
Selected platform:         watchOS
Swift version:             6.3
Building package at path:  $PWD
https://github.com/FlorianHubl/MempoolKit.git
Command line invocation:
    /Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Fetching from https://github.com/FlorianHubl/SwiftTor
Creating working copy of package ‘SwiftTor’
Checking out main (c210638) of package ‘SwiftTor’
Resolve Package Graph
Resolved source packages:
  SwiftTor: https://github.com/FlorianHubl/SwiftTor @ main (c210638)
  MempoolKit: /Users/admin/builder/spi-builder-workspace
resolved source packages: SwiftTor, MempoolKit
2026-04-22 11:08:31.136 xcodebuild[529:3097] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
    {
      "identity" : "swifttor",
      "requirement" : {
        "branch" : [
          "main"
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/FlorianHubl/SwiftTor"
    }
  ],
  "manifest_display_name" : "MempoolKit",
  "name" : "MempoolKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "MempoolKit",
      "targets" : [
        "MempoolKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "MempoolKitTests",
      "module_type" : "SwiftTarget",
      "name" : "MempoolKitTests",
      "path" : "Tests/MempoolKitTests",
      "sources" : [
        "MempoolKitTests.swift"
      ],
      "target_dependencies" : [
        "MempoolKit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "MempoolKit",
      "module_type" : "SwiftTarget",
      "name" : "MempoolKit",
      "path" : "Sources/MempoolKit",
      "product_dependencies" : [
        "SwiftTor"
      ],
      "product_memberships" : [
        "MempoolKit"
      ],
      "sources" : [
        "BlockExplorer.swift",
        "Functions.swift",
        "ISO Alpha-2 Country Codes.swift",
        "MempoolKit.swift",
        "Models/Address.swift",
        "Models/Block.swift",
        "Models/BlockFee.swift",
        "Models/BlockFeeRate.swift",
        "Models/BlockReward.swift",
        "Models/BlockSizeAndWeights.swift",
        "Models/BlockStatus.swift",
        "Models/CPFP.swift",
        "Models/ChannelTXID.swift",
        "Models/DifficultyAdjustment.swift",
        "Models/Hashrate.swift",
        "Models/LightningChannel.swift",
        "Models/LightningChannelFromNodePubkey.swift",
        "Models/LightningHistoricalNodeStatistic.swift",
        "Models/LightningISP.swift",
        "Models/LightningNode.swift",
        "Models/LightningNodeStatistic.swift",
        "Models/LightningNodeStatisticPerISP.swift",
        "Models/LightningNodesCountries.swift",
        "Models/LightningNodesCountry.swift",
        "Models/LightningStatistic.swift",
        "Models/LightningTop100Nodes.swift",
        "Models/LightningTop100NodesByLiquidity.swift",
        "Models/MempoolBlockFee.swift",
        "Models/MempoolRecent.swift",
        "Models/MempoolStatistic.swift",
        "Models/MercleProof.swift",
        "Models/MiningHashrate.swift",
        "Models/MiningPool.swift",
        "Models/MiningPools.swift",
        "Models/MiningRewardStats.swift",
        "Models/RecommendedFees.swift",
        "Models/Transaction.swift",
        "Models/TransactionOutspend.swift",
        "Models/TransactionStatus.swift",
        "Models/UTXO.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.8"
}
warning: 'spi-builder-workspace': /Users/admin/builder/spi-builder-workspace/Package.swift:17:10: warning: 'package(url:_:)' is deprecated: use specific requirement APIs instead (e.g. use 'branch:' instead of '.branch') [#DeprecatedDeclaration]
15 |         // Dependencies declare other packages that this package depends on.
16 |         // .package(url: /* package url */, from: "1.0.0"),
17 |         .package(
   |          `- warning: 'package(url:_:)' is deprecated: use specific requirement APIs instead (e.g. use 'branch:' instead of '.branch') [#DeprecatedDeclaration]
18 |             url: "https://github.com/FlorianHubl/SwiftTor",
19 |             .branch("main")
/Users/admin/builder/spi-builder-workspace/Package.swift:19:14: warning: 'branch' is deprecated [#DeprecatedDeclaration]
17 |         .package(
18 |             url: "https://github.com/FlorianHubl/SwiftTor",
19 |             .branch("main")
   |              `- warning: 'branch' is deprecated [#DeprecatedDeclaration]
20 |         )
21 |     ],
[#DeprecatedDeclaration]: <https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration>
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "MempoolKit"
    ]
  }
}
2026-04-22 11:08:38.729 xcodebuild[660:3977] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme MempoolKit -destination generic/platform=watchOS
Command line invocation:
    /Applications/Xcode-26.4.0.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 MempoolKit -destination generic/platform=watchOS
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
  SwiftTor: https://github.com/FlorianHubl/SwiftTor @ main (c210638)
  MempoolKit: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (4 targets)
    Target 'MempoolKit' in project 'MempoolKit'
        ➜ Explicit dependency on target 'MempoolKit' in project 'MempoolKit'
        ➜ Explicit dependency on target 'SwiftTor' in project 'SwiftTor'
    Target 'MempoolKit' in project 'MempoolKit'
        ➜ Explicit dependency on target 'SwiftTor' in project 'SwiftTor'
    Target 'SwiftTor' in project 'SwiftTor'
        ➜ Explicit dependency on target 'SwiftTor' in project 'SwiftTor'
    Target 'SwiftTor' in project 'SwiftTor' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
ReadFileContents /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/share/docc/features.json
Build description signature: 1ad9316b623df74176b09514bdd33e01
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/1ad9316b623df74176b09514bdd33e01.xcbuilddata
/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/SwiftTor/Sources/SwiftTor/Tor.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/SwiftTor/Sources/SwiftTor/Tor.xcframework'. (in target 'SwiftTor' from project 'SwiftTor')
/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/SwiftTor/Sources/SwiftTor/Tor.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/SwiftTor/Sources/SwiftTor/Tor.xcframework'. (in target 'MempoolKit' from project 'MempoolKit')
/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/SwiftTor/Sources/SwiftTor/Tor.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/SwiftTor/Sources/SwiftTor/Tor.xcframework'. (in target 'SwiftTor' from project 'SwiftTor')
2026-04-22 11:08:41.055 xcodebuild[664:4025] [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 MempoolKit
(1 failure)
Command line invocation:
    /Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolved source packages:
  SwiftTor: https://github.com/FlorianHubl/SwiftTor @ main (c210638)
  MempoolKit: /Users/admin/builder/spi-builder-workspace
resolved source packages: SwiftTor, MempoolKit
2026-04-22 11:08:43.245 xcodebuild[688:4191] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
    {
      "identity" : "swifttor",
      "requirement" : {
        "branch" : [
          "main"
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/FlorianHubl/SwiftTor"
    }
  ],
  "manifest_display_name" : "MempoolKit",
  "name" : "MempoolKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "MempoolKit",
      "targets" : [
        "MempoolKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "MempoolKitTests",
      "module_type" : "SwiftTarget",
      "name" : "MempoolKitTests",
      "path" : "Tests/MempoolKitTests",
      "sources" : [
        "MempoolKitTests.swift"
      ],
      "target_dependencies" : [
        "MempoolKit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "MempoolKit",
      "module_type" : "SwiftTarget",
      "name" : "MempoolKit",
      "path" : "Sources/MempoolKit",
      "product_dependencies" : [
        "SwiftTor"
      ],
      "product_memberships" : [
        "MempoolKit"
      ],
      "sources" : [
        "BlockExplorer.swift",
        "Functions.swift",
        "ISO Alpha-2 Country Codes.swift",
        "MempoolKit.swift",
        "Models/Address.swift",
        "Models/Block.swift",
        "Models/BlockFee.swift",
        "Models/BlockFeeRate.swift",
        "Models/BlockReward.swift",
        "Models/BlockSizeAndWeights.swift",
        "Models/BlockStatus.swift",
        "Models/CPFP.swift",
        "Models/ChannelTXID.swift",
        "Models/DifficultyAdjustment.swift",
        "Models/Hashrate.swift",
        "Models/LightningChannel.swift",
        "Models/LightningChannelFromNodePubkey.swift",
        "Models/LightningHistoricalNodeStatistic.swift",
        "Models/LightningISP.swift",
        "Models/LightningNode.swift",
        "Models/LightningNodeStatistic.swift",
        "Models/LightningNodeStatisticPerISP.swift",
        "Models/LightningNodesCountries.swift",
        "Models/LightningNodesCountry.swift",
        "Models/LightningStatistic.swift",
        "Models/LightningTop100Nodes.swift",
        "Models/LightningTop100NodesByLiquidity.swift",
        "Models/MempoolBlockFee.swift",
        "Models/MempoolRecent.swift",
        "Models/MempoolStatistic.swift",
        "Models/MercleProof.swift",
        "Models/MiningHashrate.swift",
        "Models/MiningPool.swift",
        "Models/MiningPools.swift",
        "Models/MiningRewardStats.swift",
        "Models/RecommendedFees.swift",
        "Models/Transaction.swift",
        "Models/TransactionOutspend.swift",
        "Models/TransactionStatus.swift",
        "Models/UTXO.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.8"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "MempoolKit"
    ]
  }
}
2026-04-22 11:08:44.723 xcodebuild[718:4442] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme MempoolKit -destination generic/platform=watchOS
Command line invocation:
    /Applications/Xcode-26.4.0.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 MempoolKit -destination generic/platform=watchOS
Resolve Package Graph
Resolved source packages:
  SwiftTor: https://github.com/FlorianHubl/SwiftTor @ main (c210638)
  MempoolKit: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (4 targets)
    Target 'MempoolKit' in project 'MempoolKit'
        ➜ Explicit dependency on target 'MempoolKit' in project 'MempoolKit'
        ➜ Explicit dependency on target 'SwiftTor' in project 'SwiftTor'
    Target 'MempoolKit' in project 'MempoolKit'
        ➜ Explicit dependency on target 'SwiftTor' in project 'SwiftTor'
    Target 'SwiftTor' in project 'SwiftTor'
        ➜ Explicit dependency on target 'SwiftTor' in project 'SwiftTor'
    Target 'SwiftTor' in project 'SwiftTor' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
ReadFileContents /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/share/docc/features.json
Build description signature: 1ad9316b623df74176b09514bdd33e01
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/1ad9316b623df74176b09514bdd33e01.xcbuilddata
/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/SwiftTor/Sources/SwiftTor/Tor.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/SwiftTor/Sources/SwiftTor/Tor.xcframework'. (in target 'SwiftTor' from project 'SwiftTor')
/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/SwiftTor/Sources/SwiftTor/Tor.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/SwiftTor/Sources/SwiftTor/Tor.xcframework'. (in target 'SwiftTor' from project 'SwiftTor')
/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/SwiftTor/Sources/SwiftTor/Tor.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/SwiftTor/Sources/SwiftTor/Tor.xcframework'. (in target 'MempoolKit' from project 'MempoolKit')
2026-04-22 11:08:45.632 xcodebuild[759:4682] [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 MempoolKit
(1 failure)
BUILD FAILURE 6.3 watchOS