GatheredKit – Build Information – Swift Package Index

Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Failed to build GatheredKit, reference v0.2.0 (ed2b33), with Swift 6.1 for macOS (SPM) on 27 Apr 2025 07:16:29 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/JosephDuffy/GatheredKit.git
Reference: v0.2.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/JosephDuffy/GatheredKit
 * tag               v0.2.0     -> FETCH_HEAD
HEAD is now at ed2b330 Add Swift Package Index manifest file
Cloned https://github.com/JosephDuffy/GatheredKit.git
Revision (git rev-parse @):
ed2b33049017e5d3c60e18a700a104647a683751
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/JosephDuffy/GatheredKit.git at v0.2.0
error: 'spi-builder-workspace': Invalid manifest (compiled with: ["/Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc", "-vfsoverlay", "/var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/TemporaryDirectory.WLruxW/vfs.yaml", "-L", "/Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/pm/ManifestAPI", "-lPackageDescription", "-Xlinker", "-rpath", "-Xlinker", "/Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/pm/ManifestAPI", "-target", "arm64-apple-macosx14.0", "-sdk", "/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk", "-F", "/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks", "-F", "/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/PrivateFrameworks", "-I", "/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib", "-L", "/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib", "-swift-version", "5", "-I", "/Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/pm/ManifestAPI", "-sdk", "/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk", "-package-description-version", "5.5.0", "/Users/admin/builder/spi-builder-workspace/Package.swift", "-o", "/var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/TemporaryDirectory.1O526I/spi-builder-workspace-manifest"])
/Users/admin/builder/spi-builder-workspace/Package.swift:65:6: error: 'package(url:exact:)' is unavailable
63 | #if swift(>=5.6)
64 | package.dependencies.append(
65 |     .package(url: "https://github.com/apple/swift-docc-plugin", exact: "1.0.0")
   |      `- error: 'package(url:exact:)' is unavailable
66 | )
67 | #endif
PackageDescription.Package.Dependency.package:4:24: note: 'package(url:exact:)' was introduced in PackageDescription 5.6
2 |   class Dependency {
3 | @available(_PackageDescription 5.6)
4 |     public static func package(url: String, exact version: Version) -> Package.Dependency  }
  |                        `- note: 'package(url:exact:)' was introduced in PackageDescription 5.6
5 | }
6 |
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/JosephDuffy/GatheredKit.git
https://github.com/JosephDuffy/GatheredKit.git
error: 'spi-builder-workspace': Invalid manifest (compiled with: ["/Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc", "-vfsoverlay", "/var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/TemporaryDirectory.W8PVMa/vfs.yaml", "-L", "/Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/pm/ManifestAPI", "-lPackageDescription", "-Xlinker", "-rpath", "-Xlinker", "/Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/pm/ManifestAPI", "-target", "arm64-apple-macosx14.0", "-sdk", "/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk", "-F", "/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks", "-F", "/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/PrivateFrameworks", "-I", "/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib", "-L", "/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib", "-swift-version", "5", "-I", "/Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/pm/ManifestAPI", "-sdk", "/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk", "-package-description-version", "5.5.0", "/Users/admin/builder/spi-builder-workspace/Package.swift", "-o", "/var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/TemporaryDirectory.MYAW3A/spi-builder-workspace-manifest"])
/Users/admin/builder/spi-builder-workspace/Package.swift:65:6: error: 'package(url:exact:)' is unavailable
63 | #if swift(>=5.6)
64 | package.dependencies.append(
65 |     .package(url: "https://github.com/apple/swift-docc-plugin", exact: "1.0.0")
   |      `- error: 'package(url:exact:)' is unavailable
66 | )
67 | #endif
PackageDescription.Package.Dependency.package:4:24: note: 'package(url:exact:)' was introduced in PackageDescription 5.6
2 |   class Dependency {
3 | @available(_PackageDescription 5.6)
4 |     public static func package(url: String, exact version: Version) -> Package.Dependency  }
  |                        `- note: 'package(url:exact:)' was introduced in PackageDescription 5.6
5 | }
6 |
error: fatalError
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 -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures
error: 'spi-builder-workspace': Invalid manifest (compiled with: ["/Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc", "-vfsoverlay", "/var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/TemporaryDirectory.kqxg4l/vfs.yaml", "-L", "/Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/pm/ManifestAPI", "-lPackageDescription", "-Xlinker", "-rpath", "-Xlinker", "/Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/pm/ManifestAPI", "-target", "arm64-apple-macosx14.0", "-sdk", "/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk", "-F", "/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks", "-F", "/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/PrivateFrameworks", "-I", "/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib", "-L", "/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib", "-swift-version", "5", "-I", "/Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/pm/ManifestAPI", "-sdk", "/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk", "-package-description-version", "5.5.0", "/Users/admin/builder/spi-builder-workspace/Package.swift", "-o", "/var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/TemporaryDirectory.J1z12z/spi-builder-workspace-manifest"])
/Users/admin/builder/spi-builder-workspace/Package.swift:65:6: error: 'package(url:exact:)' is unavailable
63 | #if swift(>=5.6)
64 | package.dependencies.append(
65 |     .package(url: "https://github.com/apple/swift-docc-plugin", exact: "1.0.0")
   |      `- error: 'package(url:exact:)' is unavailable
66 | )
67 | #endif
PackageDescription.Package.Dependency.package:4:24: note: 'package(url:exact:)' was introduced in PackageDescription 5.6
2 |   class Dependency {
3 | @available(_PackageDescription 5.6)
4 |     public static func package(url: String, exact version: Version) -> Package.Dependency  }
  |                        `- note: 'package(url:exact:)' was introduced in PackageDescription 5.6
5 | }
6 |
error: 'spi-builder-workspace': Invalid manifest (compiled with: ["/Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc", "-vfsoverlay", "/var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/TemporaryDirectory.Wtcmar/vfs.yaml", "-L", "/Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/pm/ManifestAPI", "-lPackageDescription", "-Xlinker", "-rpath", "-Xlinker", "/Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/pm/ManifestAPI", "-target", "arm64-apple-macosx14.0", "-sdk", "/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk", "-F", "/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks", "-F", "/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/PrivateFrameworks", "-I", "/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib", "-L", "/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib", "-swift-version", "5", "-I", "/Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/pm/ManifestAPI", "-sdk", "/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk", "-package-description-version", "5.5.0", "/Users/admin/builder/spi-builder-workspace/Package.swift", "-o", "/var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/TemporaryDirectory.I9VhXa/spi-builder-workspace-manifest"])
/Users/admin/builder/spi-builder-workspace/Package.swift:65:6: error: 'package(url:exact:)' is unavailable
63 | #if swift(>=5.6)
64 | package.dependencies.append(
65 |     .package(url: "https://github.com/apple/swift-docc-plugin", exact: "1.0.0")
   |      `- error: 'package(url:exact:)' is unavailable
66 | )
67 | #endif
PackageDescription.Package.Dependency.package:4:24: note: 'package(url:exact:)' was introduced in PackageDescription 5.6
2 |   class Dependency {
3 | @available(_PackageDescription 5.6)
4 |     public static func package(url: String, exact version: Version) -> Package.Dependency  }
  |                        `- note: 'package(url:exact:)' was introduced in PackageDescription 5.6
5 | }
6 |
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64
error: 'spi-builder-workspace': Invalid manifest (compiled with: ["/Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc", "-vfsoverlay", "/var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/TemporaryDirectory.UVSkyF/vfs.yaml", "-L", "/Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/pm/ManifestAPI", "-lPackageDescription", "-Xlinker", "-rpath", "-Xlinker", "/Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/pm/ManifestAPI", "-target", "arm64-apple-macosx14.0", "-sdk", "/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk", "-F", "/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks", "-F", "/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/PrivateFrameworks", "-I", "/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib", "-L", "/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib", "-swift-version", "5", "-I", "/Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/pm/ManifestAPI", "-sdk", "/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk", "-package-description-version", "5.5.0", "/Users/admin/builder/spi-builder-workspace/Package.swift", "-o", "/var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/TemporaryDirectory.6FMkNd/spi-builder-workspace-manifest"])
/Users/admin/builder/spi-builder-workspace/Package.swift:65:6: error: 'package(url:exact:)' is unavailable
63 | #if swift(>=5.6)
64 | package.dependencies.append(
65 |     .package(url: "https://github.com/apple/swift-docc-plugin", exact: "1.0.0")
   |      `- error: 'package(url:exact:)' is unavailable
66 | )
67 | #endif
PackageDescription.Package.Dependency.package:4:24: note: 'package(url:exact:)' was introduced in PackageDescription 5.6
2 |   class Dependency {
3 | @available(_PackageDescription 5.6)
4 |     public static func package(url: String, exact version: Version) -> Package.Dependency  }
  |                        `- note: 'package(url:exact:)' was introduced in PackageDescription 5.6
5 | }
6 |
error: 'spi-builder-workspace': Invalid manifest (compiled with: ["/Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc", "-vfsoverlay", "/var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/TemporaryDirectory.DpNqr1/vfs.yaml", "-L", "/Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/pm/ManifestAPI", "-lPackageDescription", "-Xlinker", "-rpath", "-Xlinker", "/Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/pm/ManifestAPI", "-target", "arm64-apple-macosx14.0", "-sdk", "/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk", "-F", "/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks", "-F", "/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/PrivateFrameworks", "-I", "/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib", "-L", "/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib", "-swift-version", "5", "-I", "/Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/pm/ManifestAPI", "-sdk", "/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk", "-package-description-version", "5.5.0", "/Users/admin/builder/spi-builder-workspace/Package.swift", "-o", "/var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/TemporaryDirectory.xFKqPb/spi-builder-workspace-manifest"])
/Users/admin/builder/spi-builder-workspace/Package.swift:65:6: error: 'package(url:exact:)' is unavailable
63 | #if swift(>=5.6)
64 | package.dependencies.append(
65 |     .package(url: "https://github.com/apple/swift-docc-plugin", exact: "1.0.0")
   |      `- error: 'package(url:exact:)' is unavailable
66 | )
67 | #endif
PackageDescription.Package.Dependency.package:4:24: note: 'package(url:exact:)' was introduced in PackageDescription 5.6
2 |   class Dependency {
3 | @available(_PackageDescription 5.6)
4 |     public static func package(url: String, exact version: Version) -> Package.Dependency  }
  |                        `- note: 'package(url:exact:)' was introduced in PackageDescription 5.6
5 | }
6 |
BUILD FAILURE 6.1 macosSpm