Swift Package IndexBuild Information
Failed to build ReadingTimePublishPlugin, reference master (531dd1), with Swift 6.3 for iOS using Xcode 26.4 on 13 Apr 2026 11:10:17 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme ReadingTimePublishPlugin -destination generic/platform=iOSBuild Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/alexito4/ReadingTimePublishPlugin.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/alexito4/ReadingTimePublishPlugin
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at 531dd14 Update README.md
Cloned https://github.com/alexito4/ReadingTimePublishPlugin.git
Revision (git rev-parse @):
531dd144784e7e623d45a01dafdf4dd76c3349f8
SUCCESS checkout https://github.com/alexito4/ReadingTimePublishPlugin.git at master
========================================
Build
========================================
Selected platform: iOS
Swift version: 6.3
Building package at path: $PWD
https://github.com/alexito4/ReadingTimePublishPlugin.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/johnsundell/publish.git
Fetching from https://github.com/johnsundell/ink.git
Fetching from https://github.com/johnsundell/shellout.git
Fetching from https://github.com/johnsundell/plot.git
Fetching from https://github.com/johnsundell/files.git
Fetching from https://github.com/johnsundell/collectionConcurrencyKit.git
Fetching from https://github.com/johnsundell/codextended.git
Fetching from https://github.com/johnsundell/sweep.git
Creating working copy of package ‘publish’
Checking out 0.9.0 of package ‘publish’
Creating working copy of package ‘codextended’
Checking out 0.3.0 of package ‘codextended’
Creating working copy of package ‘files’
Checking out 4.3.0 of package ‘files’
Creating working copy of package ‘collectionConcurrencyKit’
Checking out 0.2.0 of package ‘collectionConcurrencyKit’
Creating working copy of package ‘sweep’
Checking out 0.4.0 of package ‘sweep’
Creating working copy of package ‘ink’
Checking out 0.6.0 of package ‘ink’
Creating working copy of package ‘plot’
Checking out 0.14.0 of package ‘plot’
Creating working copy of package ‘shellout’
Checking out 2.3.0 of package ‘shellout’
Resolve Package Graph
Resolved source packages:
Files: https://github.com/johnsundell/files.git @ 4.3.0
Ink: https://github.com/johnsundell/ink.git @ 0.6.0
Publish: https://github.com/johnsundell/publish.git @ 0.9.0
Sweep: https://github.com/johnsundell/sweep.git @ 0.4.0
Plot: https://github.com/johnsundell/plot.git @ 0.14.0
Codextended: https://github.com/johnsundell/codextended.git @ 0.3.0
CollectionConcurrencyKit: https://github.com/johnsundell/collectionConcurrencyKit.git @ 0.2.0
ReadingTimePublishPlugin: /Users/admin/builder/spi-builder-workspace
ShellOut: https://github.com/johnsundell/shellout.git @ 2.3.0
resolved source packages: Files, Ink, Publish, Sweep, Plot, Codextended, CollectionConcurrencyKit, ReadingTimePublishPlugin, ShellOut
2026-04-13 07:09:32.884 xcodebuild[528:3061] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-04-13 07:09:32.987 xcodebuild[528:3061] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-04-13 07:09:33.410 xcodebuild[528:3061] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
"dependencies" : [
{
"identity" : "publish",
"requirement" : {
"range" : [
{
"lower_bound" : "0.9.0",
"upper_bound" : "1.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/johnsundell/publish.git"
}
],
"manifest_display_name" : "ReadingTimePublishPlugin",
"name" : "ReadingTimePublishPlugin",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "12.0"
}
],
"products" : [
{
"name" : "ReadingTimePublishPlugin",
"targets" : [
"ReadingTimePublishPlugin"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "ReadingTimePublishPluginTests",
"module_type" : "SwiftTarget",
"name" : "ReadingTimePublishPluginTests",
"path" : "Tests/ReadingTimePublishPluginTests",
"sources" : [
"ConsoleOutputTests.swift",
"ReadingTimeTests.swift"
],
"target_dependencies" : [
"ReadingTimePublishPlugin"
],
"type" : "test"
},
{
"c99name" : "ReadingTimePublishPlugin",
"module_type" : "SwiftTarget",
"name" : "ReadingTimePublishPlugin",
"path" : "Sources/ReadingTimePublishPlugin",
"product_dependencies" : [
"Publish"
],
"product_memberships" : [
"ReadingTimePublishPlugin"
],
"sources" : [
"CommandLine+Output.swift",
"ReadingTime.swift"
],
"type" : "library"
}
],
"tools_version" : "5.5"
}
{
"workspace" : {
"name" : "spi-builder-workspace",
"schemes" : [
"ReadingTimePublishPlugin"
]
}
}
2026-04-13 07:10:04.741 xcodebuild[899:4997] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-04-13 07:10:04.847 xcodebuild[899:4997] [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 ReadingTimePublishPlugin -destination generic/platform=iOS
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 ReadingTimePublishPlugin -destination generic/platform=iOS
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
Files: https://github.com/johnsundell/files.git @ 4.3.0
Sweep: https://github.com/johnsundell/sweep.git @ 0.4.0
ReadingTimePublishPlugin: /Users/admin/builder/spi-builder-workspace
Ink: https://github.com/johnsundell/ink.git @ 0.6.0
Codextended: https://github.com/johnsundell/codextended.git @ 0.3.0
CollectionConcurrencyKit: https://github.com/johnsundell/collectionConcurrencyKit.git @ 0.2.0
Plot: https://github.com/johnsundell/plot.git @ 0.14.0
Publish: https://github.com/johnsundell/publish.git @ 0.9.0
ShellOut: https://github.com/johnsundell/shellout.git @ 2.3.0
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (19 targets)
Target 'ReadingTimePublishPluginTests' in project 'ReadingTimePublishPlugin'
➜ Explicit dependency on target 'ReadingTimePublishPlugin' in project 'ReadingTimePublishPlugin'
➜ Explicit dependency on target 'Publish' in project 'Publish'
Target 'ReadingTimePublishPlugin' in project 'ReadingTimePublishPlugin'
➜ Explicit dependency on target 'ReadingTimePublishPlugin' in project 'ReadingTimePublishPlugin'
➜ Explicit dependency on target 'Publish' in project 'Publish'
Target 'ReadingTimePublishPlugin' in project 'ReadingTimePublishPlugin'
➜ Explicit dependency on target 'Publish' in project 'Publish'
Target 'Publish' in project 'Publish'
➜ Explicit dependency on target 'Publish' in project 'Publish'
➜ Explicit dependency on target 'Ink' in project 'Ink'
➜ Explicit dependency on target 'Plot' in project 'Plot'
➜ Explicit dependency on target 'Files' in project 'Files'
➜ Explicit dependency on target 'Codextended' in project 'Codextended'
➜ Explicit dependency on target 'ShellOut' in project 'ShellOut'
➜ Explicit dependency on target 'Sweep' in project 'Sweep'
➜ Explicit dependency on target 'CollectionConcurrencyKit' in project 'CollectionConcurrencyKit'
Target 'Publish' in project 'Publish'
➜ Explicit dependency on target 'Ink' in project 'Ink'
➜ Explicit dependency on target 'Plot' in project 'Plot'
➜ Explicit dependency on target 'Files' in project 'Files'
➜ Explicit dependency on target 'Codextended' in project 'Codextended'
➜ Explicit dependency on target 'ShellOut' in project 'ShellOut'
➜ Explicit dependency on target 'Sweep' in project 'Sweep'
➜ Explicit dependency on target 'CollectionConcurrencyKit' in project 'CollectionConcurrencyKit'
Target 'CollectionConcurrencyKit' in project 'CollectionConcurrencyKit'
➜ Explicit dependency on target 'CollectionConcurrencyKit' in project 'CollectionConcurrencyKit'
Target 'CollectionConcurrencyKit' in project 'CollectionConcurrencyKit' (no dependencies)
Target 'Sweep' in project 'Sweep'
➜ Explicit dependency on target 'Sweep' in project 'Sweep'
Target 'Sweep' in project 'Sweep' (no dependencies)
Target 'ShellOut' in project 'ShellOut'
➜ Explicit dependency on target 'ShellOut' in project 'ShellOut'
Target 'ShellOut' in project 'ShellOut' (no dependencies)
Target 'Codextended' in project 'Codextended'
➜ Explicit dependency on target 'Codextended' in project 'Codextended'
Target 'Codextended' in project 'Codextended' (no dependencies)
Target 'Files' in project 'Files'
➜ Explicit dependency on target 'Files' in project 'Files'
Target 'Files' in project 'Files' (no dependencies)
Target 'Plot' in project 'Plot'
➜ Explicit dependency on target 'Plot' in project 'Plot'
Target 'Plot' in project 'Plot' (no dependencies)
Target 'Ink' in project 'Ink'
➜ Explicit dependency on target 'Ink' in project 'Ink'
Target 'Ink' in project 'Ink' (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/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: adab797adefcc4fa93d5a1099b88d242
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/adab797adefcc4fa93d5a1099b88d242.xcbuilddata
error: The package product 'CollectionConcurrencyKit' requires minimum platform version 13.0 for the iOS platform, but this target supports 12.0 (in target 'Publish' from project 'Publish')
2026-04-13 07:10:06.425 xcodebuild[903:5050] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-04-13 07:10:06.552 xcodebuild[903:5050] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-04-13 07:10:06.661 xcodebuild[903:5050] [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 ReadingTimePublishPlugin
(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:
Ink: https://github.com/johnsundell/ink.git @ 0.6.0
ShellOut: https://github.com/johnsundell/shellout.git @ 2.3.0
CollectionConcurrencyKit: https://github.com/johnsundell/collectionConcurrencyKit.git @ 0.2.0
ReadingTimePublishPlugin: /Users/admin/builder/spi-builder-workspace
Codextended: https://github.com/johnsundell/codextended.git @ 0.3.0
Files: https://github.com/johnsundell/files.git @ 4.3.0
Publish: https://github.com/johnsundell/publish.git @ 0.9.0
Plot: https://github.com/johnsundell/plot.git @ 0.14.0
Sweep: https://github.com/johnsundell/sweep.git @ 0.4.0
resolved source packages: Ink, ShellOut, CollectionConcurrencyKit, ReadingTimePublishPlugin, Codextended, Files, Publish, Plot, Sweep
2026-04-13 07:10:13.698 xcodebuild[1008:5712] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-04-13 07:10:13.802 xcodebuild[1008:5712] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
"dependencies" : [
{
"identity" : "publish",
"requirement" : {
"range" : [
{
"lower_bound" : "0.9.0",
"upper_bound" : "1.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/johnsundell/publish.git"
}
],
"manifest_display_name" : "ReadingTimePublishPlugin",
"name" : "ReadingTimePublishPlugin",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "12.0"
}
],
"products" : [
{
"name" : "ReadingTimePublishPlugin",
"targets" : [
"ReadingTimePublishPlugin"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "ReadingTimePublishPluginTests",
"module_type" : "SwiftTarget",
"name" : "ReadingTimePublishPluginTests",
"path" : "Tests/ReadingTimePublishPluginTests",
"sources" : [
"ConsoleOutputTests.swift",
"ReadingTimeTests.swift"
],
"target_dependencies" : [
"ReadingTimePublishPlugin"
],
"type" : "test"
},
{
"c99name" : "ReadingTimePublishPlugin",
"module_type" : "SwiftTarget",
"name" : "ReadingTimePublishPlugin",
"path" : "Sources/ReadingTimePublishPlugin",
"product_dependencies" : [
"Publish"
],
"product_memberships" : [
"ReadingTimePublishPlugin"
],
"sources" : [
"CommandLine+Output.swift",
"ReadingTime.swift"
],
"type" : "library"
}
],
"tools_version" : "5.5"
}
{
"workspace" : {
"name" : "spi-builder-workspace",
"schemes" : [
"ReadingTimePublishPlugin"
]
}
}
2026-04-13 07:10:15.008 xcodebuild[1017:5786] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-04-13 07:10:15.131 xcodebuild[1017:5786] [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 ReadingTimePublishPlugin -destination generic/platform=iOS
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 ReadingTimePublishPlugin -destination generic/platform=iOS
Resolve Package Graph
Resolved source packages:
Sweep: https://github.com/johnsundell/sweep.git @ 0.4.0
Ink: https://github.com/johnsundell/ink.git @ 0.6.0
Plot: https://github.com/johnsundell/plot.git @ 0.14.0
Files: https://github.com/johnsundell/files.git @ 4.3.0
Publish: https://github.com/johnsundell/publish.git @ 0.9.0
CollectionConcurrencyKit: https://github.com/johnsundell/collectionConcurrencyKit.git @ 0.2.0
ShellOut: https://github.com/johnsundell/shellout.git @ 2.3.0
ReadingTimePublishPlugin: /Users/admin/builder/spi-builder-workspace
Codextended: https://github.com/johnsundell/codextended.git @ 0.3.0
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (19 targets)
Target 'ReadingTimePublishPluginTests' in project 'ReadingTimePublishPlugin'
➜ Explicit dependency on target 'ReadingTimePublishPlugin' in project 'ReadingTimePublishPlugin'
➜ Explicit dependency on target 'Publish' in project 'Publish'
Target 'ReadingTimePublishPlugin' in project 'ReadingTimePublishPlugin'
➜ Explicit dependency on target 'ReadingTimePublishPlugin' in project 'ReadingTimePublishPlugin'
➜ Explicit dependency on target 'Publish' in project 'Publish'
Target 'ReadingTimePublishPlugin' in project 'ReadingTimePublishPlugin'
➜ Explicit dependency on target 'Publish' in project 'Publish'
Target 'Publish' in project 'Publish'
➜ Explicit dependency on target 'Publish' in project 'Publish'
➜ Explicit dependency on target 'Ink' in project 'Ink'
➜ Explicit dependency on target 'Plot' in project 'Plot'
➜ Explicit dependency on target 'Files' in project 'Files'
➜ Explicit dependency on target 'Codextended' in project 'Codextended'
➜ Explicit dependency on target 'ShellOut' in project 'ShellOut'
➜ Explicit dependency on target 'Sweep' in project 'Sweep'
➜ Explicit dependency on target 'CollectionConcurrencyKit' in project 'CollectionConcurrencyKit'
Target 'Publish' in project 'Publish'
➜ Explicit dependency on target 'Ink' in project 'Ink'
➜ Explicit dependency on target 'Plot' in project 'Plot'
➜ Explicit dependency on target 'Files' in project 'Files'
➜ Explicit dependency on target 'Codextended' in project 'Codextended'
➜ Explicit dependency on target 'ShellOut' in project 'ShellOut'
➜ Explicit dependency on target 'Sweep' in project 'Sweep'
➜ Explicit dependency on target 'CollectionConcurrencyKit' in project 'CollectionConcurrencyKit'
Target 'CollectionConcurrencyKit' in project 'CollectionConcurrencyKit'
➜ Explicit dependency on target 'CollectionConcurrencyKit' in project 'CollectionConcurrencyKit'
Target 'CollectionConcurrencyKit' in project 'CollectionConcurrencyKit' (no dependencies)
Target 'Sweep' in project 'Sweep'
➜ Explicit dependency on target 'Sweep' in project 'Sweep'
Target 'Sweep' in project 'Sweep' (no dependencies)
Target 'ShellOut' in project 'ShellOut'
➜ Explicit dependency on target 'ShellOut' in project 'ShellOut'
Target 'ShellOut' in project 'ShellOut' (no dependencies)
Target 'Codextended' in project 'Codextended'
➜ Explicit dependency on target 'Codextended' in project 'Codextended'
Target 'Codextended' in project 'Codextended' (no dependencies)
Target 'Files' in project 'Files'
➜ Explicit dependency on target 'Files' in project 'Files'
Target 'Files' in project 'Files' (no dependencies)
Target 'Plot' in project 'Plot'
➜ Explicit dependency on target 'Plot' in project 'Plot'
Target 'Plot' in project 'Plot' (no dependencies)
Target 'Ink' in project 'Ink'
➜ Explicit dependency on target 'Ink' in project 'Ink'
Target 'Ink' in project 'Ink' (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/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: adab797adefcc4fa93d5a1099b88d242
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/adab797adefcc4fa93d5a1099b88d242.xcbuilddata
error: The package product 'CollectionConcurrencyKit' requires minimum platform version 13.0 for the iOS platform, but this target supports 12.0 (in target 'Publish' from project 'Publish')
2026-04-13 07:10:16.197 xcodebuild[1019:5826] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-04-13 07:10:16.303 xcodebuild[1019:5826] [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 ReadingTimePublishPlugin
(1 failure)
BUILD FAILURE 6.3 iOS