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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 SwiftEngine with Swift 6.0 for macOS (SPM).

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Build Log

========================================
RunAll
========================================
Builder version: 4.40.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/swiftengine/swiftengine.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/swiftengine/swiftengine
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 8cdc398 Update README.md
Cloned https://github.com/swiftengine/swiftengine.git
Revision (git rev-parse @):
8cdc39859492fdf810db8a1b2dfa142bd97c3042
SUCCESS checkout https://github.com/swiftengine/swiftengine.git at master
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $workDir
https://github.com/swiftengine/swiftengine.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete
Building for debugging...
[0/23] Write sources
[5/23] Write SEProcessor-entitlement.plist
[5/23] Write sources
[5/23] Write SwiftEngineServer-entitlement.plist
[10/23] Compiling CNIOLinux shim.c
[10/23] Compiling CNIOZlib empty.c
[12/23] Write swift-version-6F35C1178C84523A.txt
[13/34] Compiling CNIOSHA1 c_nio_sha1.c
[14/34] Compiling CNIODarwin shim.c
[15/34] Compiling CNIOHTTPParser c_nio_http_parser.c
[16/34] Compiling c-atomics.c
[18/37] Compiling NIOPriorityQueue PriorityQueue.swift
[19/37] Compiling NIOPriorityQueue Heap.swift
[20/37] Emitting module NIOPriorityQueue
[21/37] Compiling NIOConcurrencyHelpers atomics.swift
[22/37] Emitting module NIOConcurrencyHelpers
[23/37] Compiling NIOConcurrencyHelpers lock.swift
[24/85] Compiling NIO FileDescriptor.swift
[25/85] Compiling NIO FileHandle.swift
[26/85] Compiling NIO FileRegion.swift
[27/85] Compiling NIO GetaddrinfoResolver.swift
[28/85] Compiling NIO HappyEyeballs.swift
[29/85] Compiling NIO Heap.swift
[30/85] Compiling NIO IO.swift
[31/85] Compiling NIO IOData.swift
[32/85] Compiling NIO IntegerTypes.swift
[33/85] Compiling NIO Interfaces.swift
[34/85] Compiling NIO ByteBuffer-core.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:713:1: error: type 'StaticString' does not conform to protocol 'Collection'
711 | }
712 |
713 | extension StaticString: Collection {
    | `- error: type 'StaticString' does not conform to protocol 'Collection'
714 |     public typealias Element = UInt8
715 |     public typealias SubSequence = ArraySlice<UInt8>
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:713:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'Collection'
711 | }
712 |
713 | extension StaticString: Collection {
    | `- error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'Collection'
714 |     public typealias Element = UInt8
715 |     public typealias SubSequence = ArraySlice<UInt8>
Swift.Collection:3:12: note: 'subscript(_:)' declared here
1 | extension Collection {
2 |     @available(*, unavailable)
3 |     public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get }
  |            `- note: 'subscript(_:)' declared here
4 | }
Swift.Collection:14:5: note: requirement 'subscript(_:)' declared here
12 |     associatedtype SubSequence : Collection = Slice<Self> where Self.Element == Self.SubSequence.Element, Self.SubSequence == Self.SubSequence.SubSequence
13 |     subscript(position: Self.Index) -> Self.Element { get }
14 |     subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get }
   |     `- note: requirement 'subscript(_:)' declared here
15 |     associatedtype Indices : Collection = DefaultIndices<Self> where Self.Indices == Self.Indices.SubSequence
16 |     var indices: Self.Indices { get }
[35/85] Compiling NIO ByteBuffer-int.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:713:1: error: type 'StaticString' does not conform to protocol 'Collection'
711 | }
712 |
713 | extension StaticString: Collection {
    | `- error: type 'StaticString' does not conform to protocol 'Collection'
714 |     public typealias Element = UInt8
715 |     public typealias SubSequence = ArraySlice<UInt8>
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:713:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'Collection'
711 | }
712 |
713 | extension StaticString: Collection {
    | `- error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'Collection'
714 |     public typealias Element = UInt8
715 |     public typealias SubSequence = ArraySlice<UInt8>
Swift.Collection:3:12: note: 'subscript(_:)' declared here
1 | extension Collection {
2 |     @available(*, unavailable)
3 |     public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get }
  |            `- note: 'subscript(_:)' declared here
4 | }
Swift.Collection:14:5: note: requirement 'subscript(_:)' declared here
12 |     associatedtype SubSequence : Collection = Slice<Self> where Self.Element == Self.SubSequence.Element, Self.SubSequence == Self.SubSequence.SubSequence
13 |     subscript(position: Self.Index) -> Self.Element { get }
14 |     subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get }
   |     `- note: requirement 'subscript(_:)' declared here
15 |     associatedtype Indices : Collection = DefaultIndices<Self> where Self.Indices == Self.Indices.SubSequence
16 |     var indices: Self.Indices { get }
[36/85] Compiling NIO ByteBuffer-views.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:713:1: error: type 'StaticString' does not conform to protocol 'Collection'
711 | }
712 |
713 | extension StaticString: Collection {
    | `- error: type 'StaticString' does not conform to protocol 'Collection'
714 |     public typealias Element = UInt8
715 |     public typealias SubSequence = ArraySlice<UInt8>
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:713:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'Collection'
711 | }
712 |
713 | extension StaticString: Collection {
    | `- error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'Collection'
714 |     public typealias Element = UInt8
715 |     public typealias SubSequence = ArraySlice<UInt8>
Swift.Collection:3:12: note: 'subscript(_:)' declared here
1 | extension Collection {
2 |     @available(*, unavailable)
3 |     public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get }
  |            `- note: 'subscript(_:)' declared here
4 | }
Swift.Collection:14:5: note: requirement 'subscript(_:)' declared here
12 |     associatedtype SubSequence : Collection = Slice<Self> where Self.Element == Self.SubSequence.Element, Self.SubSequence == Self.SubSequence.SubSequence
13 |     subscript(position: Self.Index) -> Self.Element { get }
14 |     subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get }
   |     `- note: requirement 'subscript(_:)' declared here
15 |     associatedtype Indices : Collection = DefaultIndices<Self> where Self.Indices == Self.Indices.SubSequence
16 |     var indices: Self.Indices { get }
[37/85] Compiling NIO Channel.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:713:1: error: type 'StaticString' does not conform to protocol 'Collection'
711 | }
712 |
713 | extension StaticString: Collection {
    | `- error: type 'StaticString' does not conform to protocol 'Collection'
714 |     public typealias Element = UInt8
715 |     public typealias SubSequence = ArraySlice<UInt8>
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:713:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'Collection'
711 | }
712 |
713 | extension StaticString: Collection {
    | `- error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'Collection'
714 |     public typealias Element = UInt8
715 |     public typealias SubSequence = ArraySlice<UInt8>
Swift.Collection:3:12: note: 'subscript(_:)' declared here
1 | extension Collection {
2 |     @available(*, unavailable)
3 |     public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get }
  |            `- note: 'subscript(_:)' declared here
4 | }
Swift.Collection:14:5: note: requirement 'subscript(_:)' declared here
12 |     associatedtype SubSequence : Collection = Slice<Self> where Self.Element == Self.SubSequence.Element, Self.SubSequence == Self.SubSequence.SubSequence
13 |     subscript(position: Self.Index) -> Self.Element { get }
14 |     subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get }
   |     `- note: requirement 'subscript(_:)' declared here
15 |     associatedtype Indices : Collection = DefaultIndices<Self> where Self.Indices == Self.Indices.SubSequence
16 |     var indices: Self.Indices { get }
[38/85] Compiling NIO ChannelHandler.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:713:1: error: type 'StaticString' does not conform to protocol 'Collection'
711 | }
712 |
713 | extension StaticString: Collection {
    | `- error: type 'StaticString' does not conform to protocol 'Collection'
714 |     public typealias Element = UInt8
715 |     public typealias SubSequence = ArraySlice<UInt8>
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:713:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'Collection'
711 | }
712 |
713 | extension StaticString: Collection {
    | `- error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'Collection'
714 |     public typealias Element = UInt8
715 |     public typealias SubSequence = ArraySlice<UInt8>
Swift.Collection:3:12: note: 'subscript(_:)' declared here
1 | extension Collection {
2 |     @available(*, unavailable)
3 |     public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get }
  |            `- note: 'subscript(_:)' declared here
4 | }
Swift.Collection:14:5: note: requirement 'subscript(_:)' declared here
12 |     associatedtype SubSequence : Collection = Slice<Self> where Self.Element == Self.SubSequence.Element, Self.SubSequence == Self.SubSequence.SubSequence
13 |     subscript(position: Self.Index) -> Self.Element { get }
14 |     subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get }
   |     `- note: requirement 'subscript(_:)' declared here
15 |     associatedtype Indices : Collection = DefaultIndices<Self> where Self.Indices == Self.Indices.SubSequence
16 |     var indices: Self.Indices { get }
[39/85] Compiling NIO ChannelHandlers.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:713:1: error: type 'StaticString' does not conform to protocol 'Collection'
711 | }
712 |
713 | extension StaticString: Collection {
    | `- error: type 'StaticString' does not conform to protocol 'Collection'
714 |     public typealias Element = UInt8
715 |     public typealias SubSequence = ArraySlice<UInt8>
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:713:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'Collection'
711 | }
712 |
713 | extension StaticString: Collection {
    | `- error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'Collection'
714 |     public typealias Element = UInt8
715 |     public typealias SubSequence = ArraySlice<UInt8>
Swift.Collection:3:12: note: 'subscript(_:)' declared here
1 | extension Collection {
2 |     @available(*, unavailable)
3 |     public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get }
  |            `- note: 'subscript(_:)' declared here
4 | }
Swift.Collection:14:5: note: requirement 'subscript(_:)' declared here
12 |     associatedtype SubSequence : Collection = Slice<Self> where Self.Element == Self.SubSequence.Element, Self.SubSequence == Self.SubSequence.SubSequence
13 |     subscript(position: Self.Index) -> Self.Element { get }
14 |     subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get }
   |     `- note: requirement 'subscript(_:)' declared here
15 |     associatedtype Indices : Collection = DefaultIndices<Self> where Self.Indices == Self.Indices.SubSequence
16 |     var indices: Self.Indices { get }
error: emit-module command failed with exit code 1 (use -v to see invocation)
[40/90] Emitting module NIO
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:713:1: error: type 'StaticString' does not conform to protocol 'Collection'
711 | }
712 |
713 | extension StaticString: Collection {
    | `- error: type 'StaticString' does not conform to protocol 'Collection'
714 |     public typealias Element = UInt8
715 |     public typealias SubSequence = ArraySlice<UInt8>
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:713:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'Collection'
711 | }
712 |
713 | extension StaticString: Collection {
    | `- error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'Collection'
714 |     public typealias Element = UInt8
715 |     public typealias SubSequence = ArraySlice<UInt8>
Swift.Collection:3:12: note: 'subscript(_:)' declared here
1 | extension Collection {
2 |     @available(*, unavailable)
3 |     public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get }
  |            `- note: 'subscript(_:)' declared here
4 | }
Swift.Collection:14:5: note: requirement 'subscript(_:)' declared here
12 |     associatedtype SubSequence : Collection = Slice<Self> where Self.Element == Self.SubSequence.Element, Self.SubSequence == Self.SubSequence.SubSequence
13 |     subscript(position: Self.Index) -> Self.Element { get }
14 |     subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get }
   |     `- note: requirement 'subscript(_:)' declared here
15 |     associatedtype Indices : Collection = DefaultIndices<Self> where Self.Indices == Self.Indices.SubSequence
16 |     var indices: Self.Indices { get }
[41/90] Compiling NIO ChannelInvoker.swift
[42/90] Compiling NIO ChannelOption.swift
[43/90] Compiling NIO ChannelPipeline.swift
[44/90] Compiling NIO CircularBuffer.swift
[45/90] Compiling NIO Codec.swift
[46/90] Compiling NIO Linux.swift
[47/90] Compiling NIO LinuxCPUSet.swift
[48/90] Compiling NIO MarkedCircularBuffer.swift
[49/90] Compiling NIO NIOAny.swift
[50/90] Compiling NIO NonBlockingFileIO.swift
[51/90] Compiling NIO Selectable.swift
[52/90] Compiling NIO Selector.swift
[53/90] Compiling NIO ServerSocket.swift
[54/90] Compiling NIO Socket.swift
[55/90] Compiling NIO SocketAddresses.swift
[56/90] Compiling NIO PendingDatagramWritesManager.swift
[57/90] Compiling NIO PendingWritesManager.swift
[58/90] Compiling NIO PriorityQueue.swift
[59/90] Compiling NIO RecvByteBufferAllocator.swift
[60/90] Compiling NIO Resolver.swift
[61/90] Compiling NIO CompositeError.swift
[62/90] Compiling NIO DeadChannel.swift
[63/90] Compiling NIO Embedded.swift
[64/90] Compiling NIO EventLoop.swift
[65/90] Compiling NIO EventLoopFuture.swift
[66/90] Compiling NIO AddressedEnvelope.swift
[67/90] Compiling NIO BaseSocket.swift
[68/90] Compiling NIO BaseSocketChannel.swift
[69/90] Compiling NIO BlockingIOThreadPool.swift
[70/90] Compiling NIO Bootstrap.swift
[71/90] Compiling NIO ByteBuffer-aux.swift
[72/90] Compiling NIO SocketChannel.swift
[73/90] Compiling NIO System.swift
[74/90] Compiling NIO Thread.swift
[75/90] Compiling NIO TypeAssistedChannelHandler.swift
[76/90] Compiling NIO Utilities.swift
Fetching https://github.com/apple/swift-nio.git
Fetching https://github.com/apple/swift-nio-zlib-support.git
[1/15] Fetching swift-nio-zlib-support
[14/65622] Fetching swift-nio-zlib-support, swift-nio
Fetched https://github.com/apple/swift-nio-zlib-support.git from cache (3.68s)
Fetched https://github.com/apple/swift-nio.git from cache (3.68s)
Computing version for https://github.com/apple/swift-nio.git
Computed https://github.com/apple/swift-nio.git at 1.9.0 (0.73s)
Computing version for https://github.com/apple/swift-nio-zlib-support.git
Computed https://github.com/apple/swift-nio-zlib-support.git at 1.0.0 (0.66s)
Creating working copy for https://github.com/apple/swift-nio.git
Working copy of https://github.com/apple/swift-nio.git resolved at 1.9.0
Creating working copy for https://github.com/apple/swift-nio-zlib-support.git
Working copy of https://github.com/apple/swift-nio-zlib-support.git resolved at 1.0.0
warning: 'swift-nio-zlib-support': ignoring declared target(s) 'swift-nio-zlib-support' in the system package
warning: failed to retrieve search paths with pkg-config; maybe pkg-config is not installed
warning: couldn't find pc file for zlib
BUILD FAILURE 6.0 macosSpm
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.