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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 NIOErrorKit with Swift 5.10 for macOS (SPM).

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.3.0-Beta.2.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.29.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/einstore/nioerrorkit.git
Reference: 0.0.1
Initialized empty Git repository in /Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.git/
From https://github.com/einstore/nioerrorkit
 * tag               0.0.1      -> FETCH_HEAD
HEAD is now at 7408484 initial upload
Cloned https://github.com/einstore/nioerrorkit.git
Revision (git rev-parse @):
74084844f7def572171311f450cb7d3df0da87c4
SUCCESS checkout https://github.com/einstore/nioerrorkit.git at 0.0.1
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             5.10
Building package at path:  $workDir
https://github.com/einstore/nioerrorkit.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.3.0-Beta.2.app xcrun swift build --arch arm64
Building for debugging...
[0/12] Write sources
[5/12] Compiling CNIOLinux shim.c
[6/12] Compiling CNIOLinux ifaddrs-android.c
[7/12] Write swift-version--423B1241ED78D482.txt
[8/20] Compiling CNIODarwin shim.c
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/CNIOSHA1/c_nio_sha1.c:102:1: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
sha1_step(ctxt)
^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/CNIOSHA1/c_nio_sha1.c:187:1: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
c_nio_sha1_init(ctxt)
^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/CNIOSHA1/c_nio_sha1.c:199:1: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
c_nio_sha1_pad(ctxt)
^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/CNIOSHA1/c_nio_sha1.c:234:1: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
c_nio_sha1_loop(ctxt, input, len)
^
4 warnings generated.
[9/20] Compiling CNIOSHA1 c_nio_sha1.c
[10/20] Compiling CNIOHTTPParser c_nio_http_parser.c
[11/20] Compiling c-atomics.c
[13/23] Compiling WebErrorKit WebError+Serializable.swift
[14/23] Compiling WebErrorKit WebError.swift
[15/23] Compiling WebErrorKit WebErrorContent.swift
[16/23] Compiling NIOConcurrencyHelpers lock.swift
[17/23] Compiling WebErrorKit SerializableWebError.swift
[18/23] Compiling WebErrorKit WebError+RawRepresentable.swift
[19/23] Emitting module NIOConcurrencyHelpers
[20/23] Compiling NIOConcurrencyHelpers atomics.swift
[21/73] Emitting module WebErrorKit
[22/73] Compiling WebErrorKit String+Codify.swift
[23/73] Compiling WebErrorKit Exports.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[24/73] Emitting module NIO
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/CircularBuffer.swift:106:1: error: type 'CircularBuffer<Element>' does not conform to protocol 'MutableCollection'
extension CircularBuffer: Collection, MutableCollection {
^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/CircularBuffer.swift:106:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'MutableCollection'
extension CircularBuffer: Collection, MutableCollection {
^
Swift.MutableCollection:8:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
           ^
Swift.MutableCollection:6:14: note: requirement 'subscript(_:)' declared here
    override subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
             ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/MarkedCircularBuffer.swift:132:1: error: type 'MarkedCircularBuffer<Element>' does not conform to protocol 'MutableCollection'
extension MarkedCircularBuffer: Collection, MutableCollection {
^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/MarkedCircularBuffer.swift:132:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'MutableCollection'
extension MarkedCircularBuffer: Collection, MutableCollection {
^
Swift.MutableCollection:8:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
           ^
Swift.MutableCollection:6:14: note: requirement 'subscript(_:)' declared here
    override subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
             ^
[25/79] Compiling NIO FileDescriptor.swift
[26/79] Compiling NIO FileHandle.swift
[27/79] Compiling NIO FileRegion.swift
[28/79] Compiling NIO GetaddrinfoResolver.swift
[29/79] Compiling NIO HappyEyeballs.swift
[30/79] Compiling NIO Heap.swift
[31/79] Compiling NIO IO.swift
[32/79] Compiling NIO CircularBuffer.swift
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/CircularBuffer.swift:106:1: error: type 'CircularBuffer<Element>' does not conform to protocol 'MutableCollection'
extension CircularBuffer: Collection, MutableCollection {
^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/CircularBuffer.swift:106:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'MutableCollection'
extension CircularBuffer: Collection, MutableCollection {
^
Swift.MutableCollection:8:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
           ^
Swift.MutableCollection:6:14: note: requirement 'subscript(_:)' declared here
    override subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
             ^
[33/79] Compiling NIO Codec.swift
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/CircularBuffer.swift:106:1: error: type 'CircularBuffer<Element>' does not conform to protocol 'MutableCollection'
extension CircularBuffer: Collection, MutableCollection {
^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/CircularBuffer.swift:106:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'MutableCollection'
extension CircularBuffer: Collection, MutableCollection {
^
Swift.MutableCollection:8:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
           ^
Swift.MutableCollection:6:14: note: requirement 'subscript(_:)' declared here
    override subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
             ^
[34/79] Compiling NIO DatagramVectorReadManager.swift
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/CircularBuffer.swift:106:1: error: type 'CircularBuffer<Element>' does not conform to protocol 'MutableCollection'
extension CircularBuffer: Collection, MutableCollection {
^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/CircularBuffer.swift:106:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'MutableCollection'
extension CircularBuffer: Collection, MutableCollection {
^
Swift.MutableCollection:8:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
           ^
Swift.MutableCollection:6:14: note: requirement 'subscript(_:)' declared here
    override subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
             ^
[35/79] Compiling NIO DeadChannel.swift
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/CircularBuffer.swift:106:1: error: type 'CircularBuffer<Element>' does not conform to protocol 'MutableCollection'
extension CircularBuffer: Collection, MutableCollection {
^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/CircularBuffer.swift:106:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'MutableCollection'
extension CircularBuffer: Collection, MutableCollection {
^
Swift.MutableCollection:8:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
           ^
Swift.MutableCollection:6:14: note: requirement 'subscript(_:)' declared here
    override subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
             ^
[36/79] Compiling NIO Embedded.swift
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/CircularBuffer.swift:106:1: error: type 'CircularBuffer<Element>' does not conform to protocol 'MutableCollection'
extension CircularBuffer: Collection, MutableCollection {
^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/CircularBuffer.swift:106:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'MutableCollection'
extension CircularBuffer: Collection, MutableCollection {
^
Swift.MutableCollection:8:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
           ^
Swift.MutableCollection:6:14: note: requirement 'subscript(_:)' declared here
    override subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
             ^
[37/79] Compiling NIO EventLoop.swift
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/CircularBuffer.swift:106:1: error: type 'CircularBuffer<Element>' does not conform to protocol 'MutableCollection'
extension CircularBuffer: Collection, MutableCollection {
^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/CircularBuffer.swift:106:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'MutableCollection'
extension CircularBuffer: Collection, MutableCollection {
^
Swift.MutableCollection:8:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
           ^
Swift.MutableCollection:6:14: note: requirement 'subscript(_:)' declared here
    override subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
             ^
[38/79] Compiling NIO EventLoopFuture.swift
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/CircularBuffer.swift:106:1: error: type 'CircularBuffer<Element>' does not conform to protocol 'MutableCollection'
extension CircularBuffer: Collection, MutableCollection {
^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/CircularBuffer.swift:106:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'MutableCollection'
extension CircularBuffer: Collection, MutableCollection {
^
Swift.MutableCollection:8:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
           ^
Swift.MutableCollection:6:14: note: requirement 'subscript(_:)' declared here
    override subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
             ^
[39/79] Compiling NIO ByteBuffer-views.swift
[40/79] Compiling NIO Channel.swift
[41/79] Compiling NIO ChannelHandler.swift
[42/79] Compiling NIO ChannelHandlers.swift
[43/79] Compiling NIO ChannelInvoker.swift
[44/79] Compiling NIO ChannelOption.swift
[45/79] Compiling NIO ChannelPipeline.swift
[46/79] Compiling NIO RecvByteBufferAllocator.swift
[47/79] Compiling NIO Resolver.swift
[48/79] Compiling NIO Selectable.swift
[49/79] Compiling NIO Selector.swift
[50/79] Compiling NIO ServerSocket.swift
[51/79] Compiling NIO Socket.swift
[52/79] Compiling NIO SocketAddresses.swift
[53/79] Compiling NIO NIOAny.swift
[54/79] Compiling NIO NIOCloseOnErrorHandler.swift
[55/79] Compiling NIO NIOThreadPool.swift
[56/79] Compiling NIO NonBlockingFileIO.swift
[57/79] Compiling NIO PendingDatagramWritesManager.swift
[58/79] Compiling NIO PendingWritesManager.swift
[59/79] Compiling NIO PriorityQueue.swift
[60/79] Compiling NIO IOData.swift
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/MarkedCircularBuffer.swift:132:1: error: type 'MarkedCircularBuffer<Element>' does not conform to protocol 'MutableCollection'
extension MarkedCircularBuffer: Collection, MutableCollection {
^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/MarkedCircularBuffer.swift:132:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'MutableCollection'
extension MarkedCircularBuffer: Collection, MutableCollection {
^
Swift.MutableCollection:8:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
           ^
Swift.MutableCollection:6:14: note: requirement 'subscript(_:)' declared here
    override subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
             ^
[61/79] Compiling NIO IntegerTypes.swift
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/MarkedCircularBuffer.swift:132:1: error: type 'MarkedCircularBuffer<Element>' does not conform to protocol 'MutableCollection'
extension MarkedCircularBuffer: Collection, MutableCollection {
^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/MarkedCircularBuffer.swift:132:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'MutableCollection'
extension MarkedCircularBuffer: Collection, MutableCollection {
^
Swift.MutableCollection:8:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
           ^
Swift.MutableCollection:6:14: note: requirement 'subscript(_:)' declared here
    override subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
             ^
[62/79] Compiling NIO Interfaces.swift
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/MarkedCircularBuffer.swift:132:1: error: type 'MarkedCircularBuffer<Element>' does not conform to protocol 'MutableCollection'
extension MarkedCircularBuffer: Collection, MutableCollection {
^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/MarkedCircularBuffer.swift:132:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'MutableCollection'
extension MarkedCircularBuffer: Collection, MutableCollection {
^
Swift.MutableCollection:8:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
           ^
Swift.MutableCollection:6:14: note: requirement 'subscript(_:)' declared here
    override subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
             ^
[63/79] Compiling NIO Linux.swift
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/MarkedCircularBuffer.swift:132:1: error: type 'MarkedCircularBuffer<Element>' does not conform to protocol 'MutableCollection'
extension MarkedCircularBuffer: Collection, MutableCollection {
^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/MarkedCircularBuffer.swift:132:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'MutableCollection'
extension MarkedCircularBuffer: Collection, MutableCollection {
^
Swift.MutableCollection:8:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
           ^
Swift.MutableCollection:6:14: note: requirement 'subscript(_:)' declared here
    override subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
             ^
[64/79] Compiling NIO LinuxCPUSet.swift
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/MarkedCircularBuffer.swift:132:1: error: type 'MarkedCircularBuffer<Element>' does not conform to protocol 'MutableCollection'
extension MarkedCircularBuffer: Collection, MutableCollection {
^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/MarkedCircularBuffer.swift:132:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'MutableCollection'
extension MarkedCircularBuffer: Collection, MutableCollection {
^
Swift.MutableCollection:8:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
           ^
Swift.MutableCollection:6:14: note: requirement 'subscript(_:)' declared here
    override subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
             ^
[65/79] Compiling NIO MarkedCircularBuffer.swift
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/MarkedCircularBuffer.swift:132:1: error: type 'MarkedCircularBuffer<Element>' does not conform to protocol 'MutableCollection'
extension MarkedCircularBuffer: Collection, MutableCollection {
^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/MarkedCircularBuffer.swift:132:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'MutableCollection'
extension MarkedCircularBuffer: Collection, MutableCollection {
^
Swift.MutableCollection:8:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
           ^
Swift.MutableCollection:6:14: note: requirement 'subscript(_:)' declared here
    override subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
             ^
[66/79] Compiling NIO MulticastChannel.swift
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/MarkedCircularBuffer.swift:132:1: error: type 'MarkedCircularBuffer<Element>' does not conform to protocol 'MutableCollection'
extension MarkedCircularBuffer: Collection, MutableCollection {
^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/MarkedCircularBuffer.swift:132:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'MutableCollection'
extension MarkedCircularBuffer: Collection, MutableCollection {
^
Swift.MutableCollection:8:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
           ^
Swift.MutableCollection:6:14: note: requirement 'subscript(_:)' declared here
    override subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
             ^
[67/79] Compiling NIO AddressedEnvelope.swift
[68/79] Compiling NIO BaseSocket.swift
[69/79] Compiling NIO BaseSocketChannel.swift
[70/79] Compiling NIO Bootstrap.swift
[71/79] Compiling NIO ByteBuffer-aux.swift
[72/79] Compiling NIO ByteBuffer-core.swift
[73/79] Compiling NIO ByteBuffer-int.swift
[74/79] Compiling NIO SocketChannel.swift
[75/79] Compiling NIO SocketOptionProvider.swift
[76/79] Compiling NIO System.swift
[77/79] Compiling NIO Thread.swift
[78/79] Compiling NIO TypeAssistedChannelHandler.swift
[79/79] Compiling NIO Utilities.swift
error: fatalError
Fetching https://github.com/apple/swift-nio.git from cache
Fetching https://github.com/Einstore/WebErrorKit.git from cache
Fetched https://github.com/Einstore/WebErrorKit.git from cache (0.15s)
Fetched https://github.com/apple/swift-nio.git from cache (0.26s)
Computing version for https://github.com/Einstore/WebErrorKit.git
Computed https://github.com/Einstore/WebErrorKit.git at 0.0.1 (0.39s)
Computing version for https://github.com/apple/swift-nio.git
Computed https://github.com/apple/swift-nio.git at 2.4.0 (0.64s)
Creating working copy for https://github.com/Einstore/WebErrorKit.git
Working copy of https://github.com/Einstore/WebErrorKit.git resolved at 0.0.1
Creating working copy for https://github.com/apple/swift-nio.git
Working copy of https://github.com/apple/swift-nio.git resolved at 2.4.0
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version--423B1241ED78D482.txt
[2/15] Compiling NIO DatagramVectorReadManager.swift
[3/15] Compiling NIO DeadChannel.swift
[4/16] Compiling NIO IntegerTypes.swift
[5/16] Compiling NIO Interfaces.swift
[6/16] Compiling NIO MarkedCircularBuffer.swift
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/MarkedCircularBuffer.swift:132:1: error: type 'MarkedCircularBuffer<Element>' does not conform to protocol 'MutableCollection'
extension MarkedCircularBuffer: Collection, MutableCollection {
^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/MarkedCircularBuffer.swift:132:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'MutableCollection'
extension MarkedCircularBuffer: Collection, MutableCollection {
^
Swift.MutableCollection:8:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
           ^
Swift.MutableCollection:6:14: note: requirement 'subscript(_:)' declared here
    override subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
             ^
[7/26] Compiling NIO MulticastChannel.swift
[8/31] Compiling NIO Linux.swift
[9/31] Compiling NIO LinuxCPUSet.swift
[10/31] Compiling NIO EventLoopFuture.swift
[11/31] Compiling NIO IOData.swift
[12/31] Compiling NIO CircularBuffer.swift
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/CircularBuffer.swift:106:1: error: type 'CircularBuffer<Element>' does not conform to protocol 'MutableCollection'
extension CircularBuffer: Collection, MutableCollection {
^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/CircularBuffer.swift:106:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'MutableCollection'
extension CircularBuffer: Collection, MutableCollection {
^
Swift.MutableCollection:8:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
           ^
Swift.MutableCollection:6:14: note: requirement 'subscript(_:)' declared here
    override subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
             ^
[13/31] Compiling NIO Codec.swift
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/CircularBuffer.swift:106:1: error: type 'CircularBuffer<Element>' does not conform to protocol 'MutableCollection'
extension CircularBuffer: Collection, MutableCollection {
^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/CircularBuffer.swift:106:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'MutableCollection'
extension CircularBuffer: Collection, MutableCollection {
^
Swift.MutableCollection:8:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
           ^
Swift.MutableCollection:6:14: note: requirement 'subscript(_:)' declared here
    override subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
             ^
error: emit-module command failed with exit code 1 (use -v to see invocation)
[14/44] Compiling NIO Embedded.swift
[15/44] Compiling NIO EventLoop.swift
[16/44] Emitting module NIO
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/CircularBuffer.swift:106:1: error: type 'CircularBuffer<Element>' does not conform to protocol 'MutableCollection'
extension CircularBuffer: Collection, MutableCollection {
^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/CircularBuffer.swift:106:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'MutableCollection'
extension CircularBuffer: Collection, MutableCollection {
^
Swift.MutableCollection:8:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
           ^
Swift.MutableCollection:6:14: note: requirement 'subscript(_:)' declared here
    override subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
             ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/MarkedCircularBuffer.swift:132:1: error: type 'MarkedCircularBuffer<Element>' does not conform to protocol 'MutableCollection'
extension MarkedCircularBuffer: Collection, MutableCollection {
^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/MarkedCircularBuffer.swift:132:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'MutableCollection'
extension MarkedCircularBuffer: Collection, MutableCollection {
^
Swift.MutableCollection:8:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
           ^
Swift.MutableCollection:6:14: note: requirement 'subscript(_:)' declared here
    override subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
             ^
[17/52] Compiling NIO ByteBuffer-int.swift
[18/52] Compiling NIO ByteBuffer-views.swift
[19/52] Compiling NIO Channel.swift
[20/52] Compiling NIO ChannelHandler.swift
[21/52] Compiling NIO ChannelHandlers.swift
[22/53] Compiling NIO AddressedEnvelope.swift
[23/54] Compiling NIO SocketOptionProvider.swift
[24/54] Compiling NIO System.swift
[25/54] Compiling NIO Thread.swift
[26/54] Compiling NIO Utilities.swift
[27/55] Compiling NIO GetaddrinfoResolver.swift
[28/55] Compiling NIO HappyEyeballs.swift
[29/55] Compiling NIO Heap.swift
[30/55] Compiling NIO IO.swift
[31/55] Compiling NIO NIOAny.swift
[32/55] Compiling NIO NIOCloseOnErrorHandler.swift
[33/55] Compiling NIO NIOThreadPool.swift
[34/55] Compiling NIO NonBlockingFileIO.swift
[35/55] Compiling NIO PendingDatagramWritesManager.swift
[36/55] Compiling NIO TypeAssistedChannelHandler.swift
[37/55] Compiling NIO Resolver.swift
[38/55] Compiling NIO ChannelInvoker.swift
[39/55] Compiling NIO ChannelOption.swift
[40/55] Compiling NIO ChannelPipeline.swift
[41/55] Compiling NIO FileHandle.swift
[42/55] Compiling NIO FileRegion.swift
[43/55] Compiling NIO PendingWritesManager.swift
[44/55] Compiling NIO PriorityQueue.swift
[45/55] Compiling NIO RecvByteBufferAllocator.swift
[46/55] Compiling NIO Selector.swift
[47/55] Compiling NIO ServerSocket.swift
[48/55] Compiling NIO Socket.swift
[49/55] Compiling NIO SocketAddresses.swift
[50/55] Compiling NIO SocketChannel.swift
[51/55] Compiling NIO BaseSocket.swift
[52/55] Compiling NIO BaseSocketChannel.swift
[53/55] Compiling NIO Bootstrap.swift
[54/55] Compiling NIO ByteBuffer-aux.swift
[55/55] Compiling NIO ByteBuffer-core.swift
error: fatalError
BUILD FAILURE 5.10 macosSpm