Swift Package Index

Build Information

Failed to build swift-blst, reference main (40438a), with Swift 6.3 for watchOS using Xcode 26.4 on 2 May 2026 07:35:42 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Kingpin-Apps/swift-blst.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Kingpin-Apps/swift-blst
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 40438a4 bump: version 0.1.1 → 0.1.2
Cloned https://github.com/Kingpin-Apps/swift-blst.git
Revision (git rev-parse @):
40438a41e6ee4db24627e89730bc46aacb0d1afc
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/Kingpin-Apps/swift-blst.git at main
========================================
Build
========================================
Selected platform:         watchOS
Swift version:             6.3
Building package at path:  $PWD
https://github.com/Kingpin-Apps/swift-blst.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/attaswift/BigInt.git
Creating working copy of package ‘BigInt’
Checking out 5.3.0 of package ‘BigInt’
Resolve Package Graph
Resolved source packages:
  swift-blst: /Users/admin/builder/spi-builder-workspace
  BigInt: https://github.com/attaswift/BigInt.git @ 5.3.0
resolved source packages: swift-blst, BigInt
2026-05-02 03:35:27.022 xcodebuild[536:3132] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
    {
      "identity" : "bigint",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "5.3.0",
            "upper_bound" : "5.4.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/attaswift/BigInt.git"
    }
  ],
  "manifest_display_name" : "swift-blst",
  "name" : "swift-blst",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "14.0"
    },
    {
      "name" : "ios",
      "version" : "16.0"
    }
  ],
  "products" : [
    {
      "name" : "CBlst",
      "targets" : [
        "CBlst"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "SwiftBLST",
      "targets" : [
        "SwiftBLST"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "_CBlstBinary",
      "module_type" : "BinaryTarget",
      "name" : "_CBlstBinary",
      "path" : "CBlst.xcframework",
      "product_memberships" : [
        "CBlst",
        "SwiftBLST"
      ],
      "sources" : [
      ],
      "type" : "binary"
    },
    {
      "c99name" : "SwiftBLSTTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftBLSTTests",
      "path" : "Tests/SwiftBLSTTests",
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/SwiftBLSTTests/Vectors",
          "rule" : {
            "copy" : {
            }
          }
        }
      ],
      "sources" : [
        "G1Tests.swift",
        "G2Tests.swift",
        "HashToCurveVectorTests.swift",
        "Helpers.swift",
        "PairingTests.swift"
      ],
      "target_dependencies" : [
        "SwiftBLST"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftBLST",
      "module_type" : "SwiftTarget",
      "name" : "SwiftBLST",
      "path" : "Sources/SwiftBLST",
      "product_dependencies" : [
        "BigInt"
      ],
      "product_memberships" : [
        "SwiftBLST"
      ],
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Sources/SwiftBLST/Resources",
          "rule" : {
            "copy" : {
            }
          }
        }
      ],
      "sources" : [
        "BLSTError.swift",
        "Fp12.swift",
        "G1Point.swift",
        "G2Point.swift",
        "Internal/WithUnsafeBlstPointer.swift",
        "Pairing.swift",
        "Scalar.swift"
      ],
      "target_dependencies" : [
        "CBlst"
      ],
      "type" : "library"
    },
    {
      "c99name" : "CBlst",
      "module_type" : "ClangTarget",
      "name" : "CBlst",
      "path" : "CBlstModule",
      "product_memberships" : [
        "CBlst",
        "SwiftBLST"
      ],
      "sources" : [
        "shim.c"
      ],
      "target_dependencies" : [
        "_CBlstBinary"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.2"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "CBlst",
      "swift-blst-Package",
      "SwiftBLST"
    ]
  }
}
2026-05-02 03:35:34.882 xcodebuild[675:4081] [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 swift-blst-Package -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 swift-blst-Package -destination generic/platform=watchOS
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
  swift-blst: /Users/admin/builder/spi-builder-workspace
  BigInt: https://github.com/attaswift/BigInt.git @ 5.3.0
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (7 targets)
    Target 'SwiftBLST' in project 'swift-blst'
        ➜ Explicit dependency on target 'SwiftBLST' in project 'swift-blst'
        ➜ Explicit dependency on target 'swift-blst_SwiftBLST' in project 'swift-blst'
        ➜ Explicit dependency on target 'CBlst' in project 'swift-blst'
        ➜ Explicit dependency on target 'BigInt' in project 'BigInt'
    Target 'SwiftBLST' in project 'swift-blst'
        ➜ Explicit dependency on target 'swift-blst_SwiftBLST' in project 'swift-blst'
        ➜ Explicit dependency on target 'CBlst' in project 'swift-blst'
        ➜ Explicit dependency on target 'BigInt' in project 'BigInt'
    Target 'BigInt' in project 'BigInt'
        ➜ Explicit dependency on target 'BigInt' in project 'BigInt'
    Target 'BigInt' in project 'BigInt' (no dependencies)
    Target 'swift-blst_SwiftBLST' in project 'swift-blst' (no dependencies)
    Target 'CBlst' in project 'swift-blst'
        ➜ Explicit dependency on target 'CBlst' in project 'swift-blst'
    Target 'CBlst' in project 'swift-blst' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -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/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
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64_32 -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -x c -c /dev/null
ReadFileContents /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/share/docc/features.json
Build description signature: 10160d0feefe5bca13bc62b25b4344a2
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/10160d0feefe5bca13bc62b25b4344a2.xcbuilddata
/Users/admin/builder/spi-builder-workspace/CBlst.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/CBlst.xcframework'. (in target 'SwiftBLST' from project 'swift-blst')
/Users/admin/builder/spi-builder-workspace/CBlst.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/CBlst.xcframework'. (in target 'CBlst' from project 'swift-blst')
/Users/admin/builder/spi-builder-workspace/CBlst.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/CBlst.xcframework'. (in target 'SwiftBLST' from project 'swift-blst')
/Users/admin/builder/spi-builder-workspace/CBlst.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/CBlst.xcframework'. (in target 'CBlst' from project 'swift-blst')
2026-05-02 03:35:37.091 xcodebuild[686:4161] [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 swift-blst-Package
(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:
  BigInt: https://github.com/attaswift/BigInt.git @ 5.3.0
  swift-blst: /Users/admin/builder/spi-builder-workspace
resolved source packages: BigInt, swift-blst
2026-05-02 03:35:39.299 xcodebuild[725:4397] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
    {
      "identity" : "bigint",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "5.3.0",
            "upper_bound" : "5.4.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/attaswift/BigInt.git"
    }
  ],
  "manifest_display_name" : "swift-blst",
  "name" : "swift-blst",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "14.0"
    },
    {
      "name" : "ios",
      "version" : "16.0"
    }
  ],
  "products" : [
    {
      "name" : "CBlst",
      "targets" : [
        "CBlst"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "SwiftBLST",
      "targets" : [
        "SwiftBLST"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "_CBlstBinary",
      "module_type" : "BinaryTarget",
      "name" : "_CBlstBinary",
      "path" : "CBlst.xcframework",
      "product_memberships" : [
        "CBlst",
        "SwiftBLST"
      ],
      "sources" : [
      ],
      "type" : "binary"
    },
    {
      "c99name" : "SwiftBLSTTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftBLSTTests",
      "path" : "Tests/SwiftBLSTTests",
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/SwiftBLSTTests/Vectors",
          "rule" : {
            "copy" : {
            }
          }
        }
      ],
      "sources" : [
        "G1Tests.swift",
        "G2Tests.swift",
        "HashToCurveVectorTests.swift",
        "Helpers.swift",
        "PairingTests.swift"
      ],
      "target_dependencies" : [
        "SwiftBLST"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftBLST",
      "module_type" : "SwiftTarget",
      "name" : "SwiftBLST",
      "path" : "Sources/SwiftBLST",
      "product_dependencies" : [
        "BigInt"
      ],
      "product_memberships" : [
        "SwiftBLST"
      ],
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Sources/SwiftBLST/Resources",
          "rule" : {
            "copy" : {
            }
          }
        }
      ],
      "sources" : [
        "BLSTError.swift",
        "Fp12.swift",
        "G1Point.swift",
        "G2Point.swift",
        "Internal/WithUnsafeBlstPointer.swift",
        "Pairing.swift",
        "Scalar.swift"
      ],
      "target_dependencies" : [
        "CBlst"
      ],
      "type" : "library"
    },
    {
      "c99name" : "CBlst",
      "module_type" : "ClangTarget",
      "name" : "CBlst",
      "path" : "CBlstModule",
      "product_memberships" : [
        "CBlst",
        "SwiftBLST"
      ],
      "sources" : [
        "shim.c"
      ],
      "target_dependencies" : [
        "_CBlstBinary"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.2"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "CBlst",
      "swift-blst-Package",
      "SwiftBLST"
    ]
  }
}
2026-05-02 03:35:40.568 xcodebuild[738:4471] [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 swift-blst-Package -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 swift-blst-Package -destination generic/platform=watchOS
Resolve Package Graph
Resolved source packages:
  swift-blst: /Users/admin/builder/spi-builder-workspace
  BigInt: https://github.com/attaswift/BigInt.git @ 5.3.0
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (7 targets)
    Target 'SwiftBLST' in project 'swift-blst'
        ➜ Explicit dependency on target 'SwiftBLST' in project 'swift-blst'
        ➜ Explicit dependency on target 'swift-blst_SwiftBLST' in project 'swift-blst'
        ➜ Explicit dependency on target 'CBlst' in project 'swift-blst'
        ➜ Explicit dependency on target 'BigInt' in project 'BigInt'
    Target 'SwiftBLST' in project 'swift-blst'
        ➜ Explicit dependency on target 'swift-blst_SwiftBLST' in project 'swift-blst'
        ➜ Explicit dependency on target 'CBlst' in project 'swift-blst'
        ➜ Explicit dependency on target 'BigInt' in project 'BigInt'
    Target 'BigInt' in project 'BigInt'
        ➜ Explicit dependency on target 'BigInt' in project 'BigInt'
    Target 'BigInt' in project 'BigInt' (no dependencies)
    Target 'swift-blst_SwiftBLST' in project 'swift-blst' (no dependencies)
    Target 'CBlst' in project 'swift-blst'
        ➜ Explicit dependency on target 'CBlst' in project 'swift-blst'
    Target 'CBlst' in project 'swift-blst' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -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/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
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64_32 -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -x c -c /dev/null
ReadFileContents /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/share/docc/features.json
Build description signature: 10160d0feefe5bca13bc62b25b4344a2
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/10160d0feefe5bca13bc62b25b4344a2.xcbuilddata
/Users/admin/builder/spi-builder-workspace/CBlst.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/CBlst.xcframework'. (in target 'SwiftBLST' from project 'swift-blst')
/Users/admin/builder/spi-builder-workspace/CBlst.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/CBlst.xcframework'. (in target 'CBlst' from project 'swift-blst')
/Users/admin/builder/spi-builder-workspace/CBlst.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/CBlst.xcframework'. (in target 'CBlst' from project 'swift-blst')
/Users/admin/builder/spi-builder-workspace/CBlst.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/CBlst.xcframework'. (in target 'SwiftBLST' from project 'swift-blst')
2026-05-02 03:35:41.486 xcodebuild[744:4512] [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 swift-blst-Package
(1 failure)
BUILD FAILURE 6.3 watchOS