The Swift Package Index logo.Swift Package Index

Has it really been five years since Swift Package Index launched? Read our anniversary blog post!

Build Information

Failed to build cometblue, reference master (5ac149), with Swift 6.2 (beta) for macOS (Xcode) using Xcode 26.0 on 18 Jun 2025 19:44:01 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme cometblue -destination platform=macOS,arch=arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.64.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/vaddieg/cometblue.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/vaddieg/cometblue
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 5ac1492 Merge branch 'master' of https://github.com/vaddieg/cometblue
Cloned https://github.com/vaddieg/cometblue.git
Revision (git rev-parse @):
5ac14926617b0b0a598eea2cd89c1897e10508f5
SUCCESS checkout https://github.com/vaddieg/cometblue.git at master
========================================
Build
========================================
Selected platform:         macosXcodebuild
Swift version:             6.2
Building package at path:  $PWD
https://github.com/vaddieg/cometblue.git
Command line invocation:
    /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
resolved source packages:
{
  "dependencies" : [
  ],
  "manifest_display_name" : "cometblue",
  "name" : "cometblue",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.13"
    }
  ],
  "products" : [
    {
      "name" : "cometblue",
      "targets" : [
        "cometblue"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "cometblueTests",
      "module_type" : "SwiftTarget",
      "name" : "cometblueTests",
      "path" : "Tests/cometblueTests",
      "sources" : [
        "XCTestManifests.swift",
        "cometblueTests.swift"
      ],
      "target_dependencies" : [
        "cometblue"
      ],
      "type" : "test"
    },
    {
      "c99name" : "cometblue",
      "module_type" : "SwiftTarget",
      "name" : "cometblue",
      "path" : "Sources/cometblue",
      "product_memberships" : [
        "cometblue"
      ],
      "sources" : [
        "CometBlueDevice.swift",
        "cli.swift",
        "main.swift"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "5.1"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "cometblue",
    "schemes" : [
      "cometblue"
    ],
    "targets" : [
      "cometblue"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme cometblue -destination platform=macOS,arch=arm64
Command line invocation:
    /Applications/Xcode-26.0.0-Beta.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 cometblue -destination platform=macOS,arch=arm64
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (1 target)
    Target 'cometblue' in project 'cometblue' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.0.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 2cd5864836a5812381692adbfb219e7a
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/2cd5864836a5812381692adbfb219e7a.xcbuilddata
/Users/admin/builder/spi-builder-workspace/cometblue.xcodeproj: error: No signing certificate "Mac Development" found: No "Mac Development" signing certificate matching team ID "8Q4T68HL96" with a private key was found. (in target 'cometblue' from project 'cometblue')
** BUILD FAILED **
The following build commands failed:
	Building project cometblue with scheme cometblue
(1 failure)
Command line invocation:
    /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
resolved source packages:
{
  "dependencies" : [
  ],
  "manifest_display_name" : "cometblue",
  "name" : "cometblue",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.13"
    }
  ],
  "products" : [
    {
      "name" : "cometblue",
      "targets" : [
        "cometblue"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "cometblueTests",
      "module_type" : "SwiftTarget",
      "name" : "cometblueTests",
      "path" : "Tests/cometblueTests",
      "sources" : [
        "XCTestManifests.swift",
        "cometblueTests.swift"
      ],
      "target_dependencies" : [
        "cometblue"
      ],
      "type" : "test"
    },
    {
      "c99name" : "cometblue",
      "module_type" : "SwiftTarget",
      "name" : "cometblue",
      "path" : "Sources/cometblue",
      "product_memberships" : [
        "cometblue"
      ],
      "sources" : [
        "CometBlueDevice.swift",
        "cli.swift",
        "main.swift"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "5.1"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "cometblue",
    "schemes" : [
      "cometblue"
    ],
    "targets" : [
      "cometblue"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme cometblue -destination platform=macOS,arch=arm64
Command line invocation:
    /Applications/Xcode-26.0.0-Beta.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 cometblue -destination platform=macOS,arch=arm64
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (1 target)
    Target 'cometblue' in project 'cometblue' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.0.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 2cd5864836a5812381692adbfb219e7a
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/2cd5864836a5812381692adbfb219e7a.xcbuilddata
/Users/admin/builder/spi-builder-workspace/cometblue.xcodeproj: error: No signing certificate "Mac Development" found: No "Mac Development" signing certificate matching team ID "8Q4T68HL96" with a private key was found. (in target 'cometblue' from project 'cometblue')
** BUILD FAILED **
The following build commands failed:
	Building project cometblue with scheme cometblue
(1 failure)
BUILD FAILURE 6.2 macosXcodebuild