Swift Package IndexBuild Information
Successful build of BLZTar, reference 1.0.3 (739884), with Swift 6.1 for macOS (SPM) on 15 Jul 2026 01:16:20 UTC.
Swift 6 data race errors: 1
Build Command
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 InferSendableFromCapturesBuild Log
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RunAll
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Builder version: undefined version: run 'make version' to update
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Pumpcrew/BLZTarArchiver.git
Reference: 1.0.3
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Pumpcrew/BLZTarArchiver
* tag 1.0.3 -> FETCH_HEAD
HEAD is now at 7398848 Add archive cancellation support
Cloned https://github.com/Pumpcrew/BLZTarArchiver.git
Revision (git rev-parse @):
739884883976c1324afe6bc0c36486af336e3fe8
SUCCESS checkout https://github.com/Pumpcrew/BLZTarArchiver.git at 1.0.3
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Build
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Selected platform: macosSpm
Swift version: 6.1
Building package at path: $PWD
https://github.com/Pumpcrew/BLZTarArchiver.git
https://github.com/Pumpcrew/BLZTarArchiver.git
{
"dependencies" : [
],
"manifest_display_name" : "BLZTar",
"name" : "BLZTar",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "15.0"
},
{
"name" : "macos",
"version" : "11.0"
},
{
"name" : "tvos",
"version" : "13.0"
},
{
"name" : "watchos",
"version" : "6.0"
}
],
"products" : [
{
"name" : "BLZTar",
"targets" : [
"BLZTar"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "BLZTarTests",
"module_type" : "SwiftTarget",
"name" : "BLZTarTests",
"path" : "Tests",
"sources" : [
"BLZTarsTests/BLZTarTests.swift"
],
"target_dependencies" : [
"BLZTar"
],
"type" : "test"
},
{
"c99name" : "BLZTar",
"module_type" : "SwiftTarget",
"name" : "BLZTar",
"path" : "Sources/BLZTar",
"product_memberships" : [
"BLZTar"
],
"sources" : [
"BLZTar.swift",
"BLZTarOptions.swift",
"GzipNIOExtras.swift",
"GzipZlib.swift",
"Helpers.swift",
"PAX.swift",
"Planner.swift",
"ProgressEmitter.swift",
"TarHeader.swift"
],
"type" : "library"
}
],
"tools_version" : "5.9"
}
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
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-2F0A5646E1D333AE.txt
[3/12] Compiling BLZTar TarHeader.swift
[4/12] Compiling BLZTar ProgressEmitter.swift
[5/12] Compiling BLZTar Planner.swift
[6/12] Compiling BLZTar GzipNIOExtras.swift
[7/12] Compiling BLZTar BLZTarOptions.swift
[8/12] Compiling BLZTar BLZTar.swift
/Users/admin/builder/spi-builder-workspace/Sources/BLZTar/BLZTar.swift:6:24: warning: static property 'cancellationRequested' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
4 | public final class BLZTar {
5 | private static let cancellationLock = NSLock()
6 | private static var cancellationRequested = false
| |- warning: static property 'cancellationRequested' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'cancellationRequested' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'cancellationRequested' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
7 |
8 | public static func cancel() {
/Users/admin/builder/spi-builder-workspace/Sources/BLZTar/BLZTar.swift:240:13: warning: default will never be executed
238 | }
239 |
240 | default:
| `- warning: default will never be executed
241 | let size = Int(header.fileSize)
242 | if size > 0 { _ = try inHandle.read(upToCount: size); emitter.add(Int64(size)) }
[9/12] Compiling BLZTar Helpers.swift
[10/12] Emitting module BLZTar
/Users/admin/builder/spi-builder-workspace/Sources/BLZTar/BLZTar.swift:6:24: warning: static property 'cancellationRequested' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
4 | public final class BLZTar {
5 | private static let cancellationLock = NSLock()
6 | private static var cancellationRequested = false
| |- warning: static property 'cancellationRequested' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'cancellationRequested' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'cancellationRequested' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
7 |
8 | public static func cancel() {
[11/12] Compiling BLZTar GzipZlib.swift
[12/12] Compiling BLZTar PAX.swift
Build complete! (5.66s)
Build complete.
{
"dependencies" : [
],
"manifest_display_name" : "BLZTar",
"name" : "BLZTar",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "15.0"
},
{
"name" : "macos",
"version" : "11.0"
},
{
"name" : "tvos",
"version" : "13.0"
},
{
"name" : "watchos",
"version" : "6.0"
}
],
"products" : [
{
"name" : "BLZTar",
"targets" : [
"BLZTar"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "BLZTarTests",
"module_type" : "SwiftTarget",
"name" : "BLZTarTests",
"path" : "Tests",
"sources" : [
"BLZTarsTests/BLZTarTests.swift"
],
"target_dependencies" : [
"BLZTar"
],
"type" : "test"
},
{
"c99name" : "BLZTar",
"module_type" : "SwiftTarget",
"name" : "BLZTar",
"path" : "Sources/BLZTar",
"product_memberships" : [
"BLZTar"
],
"sources" : [
"BLZTar.swift",
"BLZTarOptions.swift",
"GzipNIOExtras.swift",
"GzipZlib.swift",
"Helpers.swift",
"PAX.swift",
"Planner.swift",
"ProgressEmitter.swift",
"TarHeader.swift"
],
"type" : "library"
}
],
"tools_version" : "5.9"
}
Done.