Build Information
Failed to build swift-io, reference master (6f9f5b), with Swift 6.1 for macOS (SPM) on 29 Oct 2026 07:44:00 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64Build Log
========================================
RunAll
========================================
Builder version: 5.1.3
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/rarestype/swift-io.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/rarestype/swift-io
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at 6f9f5ba [autosync]
Cloned https://github.com/rarestype/swift-io.git
Revision (git rev-parse @):
6f9f5ba101cf8e5aa315aedf0e4285e2aaf27d0b
SUCCESS checkout https://github.com/rarestype/swift-io.git at master
========================================
Build
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Selected platform: macosSpm
Swift version: 6.1
Building package at path: $PWD
https://github.com/rarestype/swift-io.git
https://github.com/rarestype/swift-io.git
{
"dependencies" : [
{
"identity" : "dollup",
"requirement" : {
"range" : [
{
"lower_bound" : "1.0.1",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/ordo-one/dollup"
},
{
"identity" : "swift-argument-parser",
"requirement" : {
"range" : [
{
"lower_bound" : "1.7.1",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-argument-parser"
},
{
"identity" : "swift-system",
"requirement" : {
"range" : [
{
"lower_bound" : "1.6.4",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-system"
}
],
"manifest_display_name" : "swift-io",
"name" : "swift-io",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "15.0"
},
{
"name" : "ios",
"version" : "18.0"
},
{
"name" : "visionos",
"version" : "2.0"
}
],
"products" : [
{
"name" : "SystemAsync",
"targets" : [
"SystemAsync"
],
"type" : {
"library" : [
"automatic"
]
}
},
{
"name" : "SystemIO",
"targets" : [
"SystemIO"
],
"type" : {
"library" : [
"automatic"
]
}
},
{
"name" : "System_ArgumentParser",
"targets" : [
"System_ArgumentParser"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "System_ArgumentParser",
"module_type" : "SwiftTarget",
"name" : "System_ArgumentParser",
"path" : "Sources/System_ArgumentParser",
"product_dependencies" : [
"ArgumentParser"
],
"product_memberships" : [
"System_ArgumentParser"
],
"sources" : [
"FilePath (ext).swift",
"FilePath.Directory (ext).swift"
],
"target_dependencies" : [
"SystemIO"
],
"type" : "library"
},
{
"c99name" : "SystemTests",
"module_type" : "SwiftTarget",
"name" : "SystemTests",
"path" : "Sources/SystemTests",
"sources" : [
"Directories.swift",
"Environments.swift",
"FileOperations.swift",
"FilePaths.swift"
],
"target_dependencies" : [
"SystemIO"
],
"type" : "test"
},
{
"c99name" : "SystemIO",
"module_type" : "SwiftTarget",
"name" : "SystemIO",
"path" : "Sources/SystemIO",
"product_dependencies" : [
"SystemPackage"
],
"product_memberships" : [
"SystemAsync",
"SystemIO",
"System_ArgumentParser"
],
"sources" : [
"Environment.Variable.swift",
"Environment.VariableGetterError.swift",
"Environment.VariableSetterError.swift",
"Environment.swift",
"FileDescriptor (ext).swift",
"FileError.swift",
"FileErrorType.Read.swift",
"FileErrorType.Seek.swift",
"FileErrorType.swift",
"FileIdentifier.swift",
"FilePath (ext).swift",
"FilePath.Component (ext).swift",
"FilePath.Directory.ComponentView.swift",
"FilePath.Directory.Stream.DirentOffsets.swift",
"FilePath.Directory.Stream.swift",
"FilePath.Directory.swift",
"FilePath.DirectoryIterator.swift",
"FilePath.DirectoryRecursion.swift",
"FilePermissions (ext).swift",
"FilePermissions.Component.swift",
"FileStatus.swift",
"FileSystemStats.swift",
"FileType.swift",
"SystemPath.swift",
"SystemProcess.EnvironmentEncoder.swift",
"SystemProcess.EnvironmentSpecification.swift",
"SystemProcess.Stream.swift",
"SystemProcess.swift",
"SystemProcessError.swift",
"legacy.swift",
"lexemes.swift"
],
"target_dependencies" : [
"SystemCalls"
],
"type" : "library"
},
{
"c99name" : "SystemCalls",
"module_type" : "SwiftTarget",
"name" : "SystemCalls",
"path" : "Sources/SystemCalls",
"product_memberships" : [
"SystemAsync",
"SystemIO",
"System_ArgumentParser"
],
"sources" : [
"SystemCall.DirectoryPointer.swift",
"SystemCall.swift",
"SystemCallError.swift",
"SystemCallErrorType.swift",
"SystemCallIdentifier.swift"
],
"type" : "library"
},
{
"c99name" : "SystemAsyncTests",
"module_type" : "SwiftTarget",
"name" : "SystemAsyncTests",
"path" : "Sources/SystemAsyncTests",
"sources" : [
"SubprocessTests.swift"
],
"target_dependencies" : [
"SystemAsync"
],
"type" : "test"
},
{
"c99name" : "SystemAsync",
"module_type" : "SwiftTarget",
"name" : "SystemAsync",
"path" : "Sources/SystemAsync",
"product_memberships" : [
"SystemAsync"
],
"sources" : [
"FileControlError.swift",
"FileDescriptor (ext).swift",
"Subprocess.swift",
"SubprocessError.swift",
"SystemRuntimeError.swift"
],
"target_dependencies" : [
"SystemIO"
],
"type" : "library"
}
],
"tools_version" : "6.0"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats
Fetching https://github.com/ordo-one/dollup
Fetching https://github.com/apple/swift-system from cache
Fetching https://github.com/apple/swift-argument-parser from cache
[1/59] Fetching dollup
Fetched https://github.com/ordo-one/dollup from cache (1.25s)
Fetched https://github.com/apple/swift-system from cache (1.30s)
Fetched https://github.com/apple/swift-argument-parser from cache (1.91s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.8.2 (2.46s)
Computing version for https://github.com/apple/swift-system
Computed https://github.com/apple/swift-system at 1.8.1 (0.55s)
Computing version for https://github.com/ordo-one/dollup
error: Dependencies could not be resolved because 'dollup' contains incompatible tools version (6.2.0) and root depends on 'dollup' 1.0.1..<2.0.0.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64
Updating https://github.com/apple/swift-system
Updating https://github.com/ordo-one/dollup
Updating https://github.com/apple/swift-argument-parser
Updated https://github.com/ordo-one/dollup (0.70s)
Updated https://github.com/apple/swift-system (0.70s)
Updated https://github.com/apple/swift-argument-parser (0.70s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.8.2 (0.77s)
Computing version for https://github.com/apple/swift-system
Computed https://github.com/apple/swift-system at 1.8.1 (0.03s)
Computing version for https://github.com/ordo-one/dollup
error: Dependencies could not be resolved because 'dollup' contains incompatible tools version (6.2.0) and root depends on 'dollup' 1.0.1..<2.0.0.
BUILD FAILURE 6.1 macosSpm