Build Information
Failed to build Toaster, reference main (555d86), with Swift 6.3 for macOS (Xcode) using Xcode 26.4 on 21 Apr 2026 11:27:35 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Toaster -destination platform=macOS,arch=arm64Build Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/DarthRumata/Toaster.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/DarthRumata/Toaster
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 555d869 Merge pull request #2 from DarthRumata/feature/add-customization
Cloned https://github.com/DarthRumata/Toaster.git
Revision (git rev-parse @):
555d8697258c99c0f5f19bbf711bcd7fa35b3c5c
SUCCESS checkout https://github.com/DarthRumata/Toaster.git at main
========================================
Build
========================================
Selected platform: macosXcodebuild
Swift version: 6.3
Building package at path: $PWD
https://github.com/DarthRumata/Toaster.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/apple/swift-collections.git
Creating working copy of package ‘swift-collections’
Checking out 1.0.6 of package ‘swift-collections’
Resolved source packages:
swift-collections: https://github.com/apple/swift-collections.git @ 1.0.6
resolved source packages: swift-collections
{
"dependencies" : [
{
"identity" : "swift-collections",
"requirement" : {
"range" : [
{
"lower_bound" : "1.0.4",
"upper_bound" : "1.1.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-collections.git"
}
],
"manifest_display_name" : "Toaster",
"name" : "Toaster",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "11.0"
},
{
"name" : "ios",
"version" : "14.0"
},
{
"name" : "tvos",
"version" : "14.0"
},
{
"name" : "watchos",
"version" : "7.0"
}
],
"products" : [
{
"name" : "Toaster",
"targets" : [
"Toaster"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "ToasterTests",
"module_type" : "SwiftTarget",
"name" : "ToasterTests",
"path" : "Tests",
"sources" : [
"ToasterTests/BindingToastSchedulerTests.swift",
"ToasterTests/TestConstants.swift",
"ToasterTests/ToastSchedulerTests.swift",
"ToasterTests/ToastTests.swift"
],
"target_dependencies" : [
"Toaster"
],
"type" : "test"
},
{
"c99name" : "Toaster",
"module_type" : "SwiftTarget",
"name" : "Toaster",
"path" : "Sources",
"product_dependencies" : [
"DequeModule"
],
"product_memberships" : [
"Toaster"
],
"sources" : [
"Toaster/BindingToastScheduler.swift",
"Toaster/Toast.swift",
"Toaster/ToastDefaultProperties.swift",
"Toaster/ToastModifier.swift",
"Toaster/ToastOptions.swift",
"Toaster/ToastScheduler.swift",
"Toaster/ToastView.swift",
"Toaster/View+Modify.swift",
"Toaster/View+Toast.swift"
],
"type" : "library"
}
],
"tools_version" : "5.8"
}
{
"project" : {
"configurations" : [
"Debug",
"Release"
],
"name" : "Toaster",
"schemes" : [
"Toaster"
],
"targets" : [
"Toaster",
"ToasterTests"
]
}
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Toaster -destination platform=macOS,arch=arm64
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 Toaster -destination platform=macOS,arch=arm64
Resolve Package Graph
Resolved source packages:
swift-collections: https://github.com/apple/swift-collections.git @ 1.0.6
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (3 targets)
Target 'Toaster' in project 'Toaster'
➜ Explicit dependency on target 'DequeModule' in project 'swift-collections'
Target 'DequeModule' in project 'swift-collections'
➜ Explicit dependency on target 'DequeModule' in project 'swift-collections'
Target 'DequeModule' in project 'swift-collections' (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/MacOSX.platform/Developer/SDKs/MacOSX26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.4.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: 5ee6c963248d216cfeb79c8c23d3fde1
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/5ee6c963248d216cfeb79c8c23d3fde1.xcbuilddata
/Users/admin/builder/spi-builder-workspace/Toaster.xcodeproj: error: No signing certificate "Mac Development" found: No "Mac Development" signing certificate matching team ID "4GS5NBU7N5" with a private key was found. (in target 'Toaster' from project 'Toaster')
--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:55d504c84a4016973047a7222f19424f3e8e33b5, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:55d504c84a4016973047a7222f19424f3e8e33b5, name:My Mac }
** BUILD FAILED **
The following build commands failed:
Building project Toaster with scheme Toaster
(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:
swift-collections: https://github.com/apple/swift-collections.git @ 1.0.6
resolved source packages: swift-collections
{
"dependencies" : [
{
"identity" : "swift-collections",
"requirement" : {
"range" : [
{
"lower_bound" : "1.0.4",
"upper_bound" : "1.1.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-collections.git"
}
],
"manifest_display_name" : "Toaster",
"name" : "Toaster",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "11.0"
},
{
"name" : "ios",
"version" : "14.0"
},
{
"name" : "tvos",
"version" : "14.0"
},
{
"name" : "watchos",
"version" : "7.0"
}
],
"products" : [
{
"name" : "Toaster",
"targets" : [
"Toaster"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "ToasterTests",
"module_type" : "SwiftTarget",
"name" : "ToasterTests",
"path" : "Tests",
"sources" : [
"ToasterTests/BindingToastSchedulerTests.swift",
"ToasterTests/TestConstants.swift",
"ToasterTests/ToastSchedulerTests.swift",
"ToasterTests/ToastTests.swift"
],
"target_dependencies" : [
"Toaster"
],
"type" : "test"
},
{
"c99name" : "Toaster",
"module_type" : "SwiftTarget",
"name" : "Toaster",
"path" : "Sources",
"product_dependencies" : [
"DequeModule"
],
"product_memberships" : [
"Toaster"
],
"sources" : [
"Toaster/BindingToastScheduler.swift",
"Toaster/Toast.swift",
"Toaster/ToastDefaultProperties.swift",
"Toaster/ToastModifier.swift",
"Toaster/ToastOptions.swift",
"Toaster/ToastScheduler.swift",
"Toaster/ToastView.swift",
"Toaster/View+Modify.swift",
"Toaster/View+Toast.swift"
],
"type" : "library"
}
],
"tools_version" : "5.8"
}
{
"project" : {
"configurations" : [
"Debug",
"Release"
],
"name" : "Toaster",
"schemes" : [
"Toaster"
],
"targets" : [
"Toaster",
"ToasterTests"
]
}
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Toaster -destination platform=macOS,arch=arm64
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 Toaster -destination platform=macOS,arch=arm64
Resolve Package Graph
Resolved source packages:
swift-collections: https://github.com/apple/swift-collections.git @ 1.0.6
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (3 targets)
Target 'Toaster' in project 'Toaster'
➜ Explicit dependency on target 'DequeModule' in project 'swift-collections'
Target 'DequeModule' in project 'swift-collections'
➜ Explicit dependency on target 'DequeModule' in project 'swift-collections'
Target 'DequeModule' in project 'swift-collections' (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/MacOSX.platform/Developer/SDKs/MacOSX26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.4.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: 5ee6c963248d216cfeb79c8c23d3fde1
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/5ee6c963248d216cfeb79c8c23d3fde1.xcbuilddata
/Users/admin/builder/spi-builder-workspace/Toaster.xcodeproj: error: No signing certificate "Mac Development" found: No "Mac Development" signing certificate matching team ID "4GS5NBU7N5" with a private key was found. (in target 'Toaster' from project 'Toaster')
--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:55d504c84a4016973047a7222f19424f3e8e33b5, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:55d504c84a4016973047a7222f19424f3e8e33b5, name:My Mac }
** BUILD FAILED **
The following build commands failed:
Building project Toaster with scheme Toaster
(1 failure)
BUILD FAILURE 6.3 macosXcodebuild