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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 GraphQL with Swift 5.9 for macOS (SPM).

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.2.0-Beta.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.28.6
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/nerdsupremacist/GraphQL.git
Reference: 0.12.0
Initialized empty Git repository in /Users/builder/builds/TDmZkXJm/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/.git/
From https://github.com/nerdsupremacist/GraphQL
 * tag               0.12.0     -> FETCH_HEAD
HEAD is now at b10a33d Merge pull request #54 from frajaona/fix-boolean-serialization
Cloned https://github.com/nerdsupremacist/GraphQL.git
Revision (git rev-parse @):
b10a33de33820dea4ba5f4b2df28c30b52958425
SUCCESS checkout https://github.com/nerdsupremacist/GraphQL.git at 0.12.0
Fetching https://github.com/apple/swift-nio-zlib-support.git from cache
Fetching https://github.com/wickwirew/Runtime.git from cache
Fetching https://github.com/apple/swift-nio.git from cache
Fetched https://github.com/apple/swift-nio-zlib-support.git (0.26s)
Fetching https://github.com/wickwirew/CRuntime.git from cache
Fetched https://github.com/wickwirew/Runtime.git (0.26s)
Fetched https://github.com/wickwirew/CRuntime.git (0.23s)
Fetched https://github.com/apple/swift-nio.git (1.52s)
Computing version for https://github.com/wickwirew/Runtime.git
Computed https://github.com/wickwirew/Runtime.git at 2.1.0 (0.48s)
Computing version for https://github.com/apple/swift-nio.git
Computed https://github.com/apple/swift-nio.git at 1.14.1 (0.06s)
Computing version for https://github.com/wickwirew/CRuntime.git
Computed https://github.com/wickwirew/CRuntime.git at 2.1.2 (0.04s)
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 (0.04s)
Creating working copy for https://github.com/wickwirew/CRuntime.git
Working copy of https://github.com/wickwirew/CRuntime.git resolved at 2.1.2
Creating working copy for https://github.com/apple/swift-nio.git
Working copy of https://github.com/apple/swift-nio.git resolved at 1.14.1
Creating working copy for https://github.com/wickwirew/Runtime.git
Working copy of https://github.com/wickwirew/Runtime.git resolved at 2.1.0
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
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
  "identity": ".resolve-product-dependencies",
  "name": "resolve-dependencies",
  "url": "/Users/builder/builds/TDmZkXJm/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/builder/builds/TDmZkXJm/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/.resolve-product-dependencies",
  "dependencies": [
    {
      "identity": "graphql",
      "name": "GraphQL",
      "url": "https://github.com/nerdsupremacist/GraphQL.git",
      "version": "unspecified",
      "path": "/Users/builder/builds/TDmZkXJm/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/GraphQL",
      "dependencies": [
        {
          "identity": "swift-nio",
          "name": "swift-nio",
          "url": "https://github.com/apple/swift-nio.git",
          "version": "1.14.4",
          "path": "/Users/builder/builds/TDmZkXJm/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-nio",
          "dependencies": [
            {
              "identity": "swift-nio-zlib-support",
              "name": "swift-nio-zlib-support",
              "url": "https://github.com/apple/swift-nio-zlib-support.git",
              "version": "1.0.0",
              "path": "/Users/builder/builds/TDmZkXJm/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-nio-zlib-support",
              "dependencies": [
              ]
            }
          ]
        },
        {
          "identity": "runtime",
          "name": "Runtime",
          "url": "https://github.com/wickwirew/Runtime.git",
          "version": "2.1.1",
          "path": "/Users/builder/builds/TDmZkXJm/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Runtime",
          "dependencies": [
            {
              "identity": "cruntime",
              "name": "CRuntime",
              "url": "https://github.com/wickwirew/CRuntime.git",
              "version": "2.1.2",
              "path": "/Users/builder/builds/TDmZkXJm/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/CRuntime",
              "dependencies": [
              ]
            }
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/nerdsupremacist/GraphQL.git from cache
Fetched https://github.com/nerdsupremacist/GraphQL.git (0.18s)
Fetching https://github.com/apple/swift-nio.git from cache
Fetching https://github.com/wickwirew/Runtime.git from cache
Fetched https://github.com/wickwirew/Runtime.git (0.36s)
Fetched https://github.com/apple/swift-nio.git (0.97s)
Computing version for https://github.com/wickwirew/Runtime.git
Computed https://github.com/wickwirew/Runtime.git at 2.1.1 (0.04s)
Fetching https://github.com/wickwirew/CRuntime.git from cache
Fetched https://github.com/wickwirew/CRuntime.git (0.18s)
Computing version for https://github.com/wickwirew/CRuntime.git
Computed https://github.com/wickwirew/CRuntime.git at 2.1.2 (0.01s)
Computing version for https://github.com/apple/swift-nio.git
Computed https://github.com/apple/swift-nio.git at 1.14.4 (0.02s)
Fetching https://github.com/apple/swift-nio-zlib-support.git from cache
Fetched https://github.com/apple/swift-nio-zlib-support.git (0.19s)
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 (0.01s)
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
Creating working copy for https://github.com/wickwirew/CRuntime.git
Working copy of https://github.com/wickwirew/CRuntime.git resolved at 2.1.2
Creating working copy for https://github.com/apple/swift-nio.git
Working copy of https://github.com/apple/swift-nio.git resolved at 1.14.4
Creating working copy for https://github.com/nerdsupremacist/GraphQL.git
Working copy of https://github.com/nerdsupremacist/GraphQL.git resolved at 0.12.0
Creating working copy for https://github.com/wickwirew/Runtime.git
Working copy of https://github.com/wickwirew/Runtime.git resolved at 2.1.1
warning: 'swift-nio-zlib-support': ignoring declared target(s) 'swift-nio-zlib-support' in the system package
warning: '.resolve-product-dependencies': dependency 'graphql' is not used by any target
Found 2 product dependencies
  - swift-nio
  - Runtime
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             5.9
Building package at path:  $PWD/checkout
https://github.com/nerdsupremacist/GraphQL.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.2.0-Beta.app xcrun swift build --arch arm64
Building for debugging...
[0/5] Compiling CNIOLinux ifaddrs-android.c
[1/5] Compiling CNIOLinux shim.c
[2/50] Compiling CNIODarwin shim.c
/Users/builder/builds/TDmZkXJm/2/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/TDmZkXJm/2/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/TDmZkXJm/2/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/TDmZkXJm/2/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.
[3/50] Compiling CNIOSHA1 c_nio_sha1.c
[5/50] Compiling NIOPriorityQueue PriorityQueue.swift
[6/50] Emitting module NIOPriorityQueue
[7/50] Compiling NIOPriorityQueue Heap.swift
[7/50] Compiling c-atomics.c
[9/53] Compiling NIOConcurrencyHelpers lock.swift
[10/53] Emitting module NIOConcurrencyHelpers
[11/53] Compiling NIOConcurrencyHelpers atomics.swift
[12/103] Compiling NIO ChannelPipeline.swift
/Users/builder/builds/TDmZkXJm/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ContiguousCollection.swift:21:1: error: type 'StaticString' does not conform to protocol 'Collection'
extension StaticString: Collection {
^
/Users/builder/builds/TDmZkXJm/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ContiguousCollection.swift:21:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'Collection'
extension StaticString: Collection {
^
Swift.Collection:3:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get }
           ^
Swift.Collection:14:5: note: requirement 'subscript(_:)' declared here
    subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get }
    ^
[13/103] Compiling NIO CircularBuffer.swift
/Users/builder/builds/TDmZkXJm/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ContiguousCollection.swift:21:1: error: type 'StaticString' does not conform to protocol 'Collection'
extension StaticString: Collection {
^
/Users/builder/builds/TDmZkXJm/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ContiguousCollection.swift:21:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'Collection'
extension StaticString: Collection {
^
Swift.Collection:3:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get }
           ^
Swift.Collection:14:5: note: requirement 'subscript(_:)' declared here
    subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get }
    ^
[14/103] Compiling NIO Codec.swift
/Users/builder/builds/TDmZkXJm/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ContiguousCollection.swift:21:1: error: type 'StaticString' does not conform to protocol 'Collection'
extension StaticString: Collection {
^
/Users/builder/builds/TDmZkXJm/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ContiguousCollection.swift:21:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'Collection'
extension StaticString: Collection {
^
Swift.Collection:3:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get }
           ^
Swift.Collection:14:5: note: requirement 'subscript(_:)' declared here
    subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get }
    ^
[15/103] Compiling NIO CompositeError.swift
/Users/builder/builds/TDmZkXJm/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ContiguousCollection.swift:21:1: error: type 'StaticString' does not conform to protocol 'Collection'
extension StaticString: Collection {
^
/Users/builder/builds/TDmZkXJm/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ContiguousCollection.swift:21:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'Collection'
extension StaticString: Collection {
^
Swift.Collection:3:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get }
           ^
Swift.Collection:14:5: note: requirement 'subscript(_:)' declared here
    subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get }
    ^
[16/103] Compiling NIO ContiguousCollection.swift
/Users/builder/builds/TDmZkXJm/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ContiguousCollection.swift:21:1: error: type 'StaticString' does not conform to protocol 'Collection'
extension StaticString: Collection {
^
/Users/builder/builds/TDmZkXJm/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ContiguousCollection.swift:21:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'Collection'
extension StaticString: Collection {
^
Swift.Collection:3:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get }
           ^
Swift.Collection:14:5: note: requirement 'subscript(_:)' declared here
    subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get }
    ^
[17/103] Compiling NIO DeadChannel.swift
/Users/builder/builds/TDmZkXJm/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ContiguousCollection.swift:21:1: error: type 'StaticString' does not conform to protocol 'Collection'
extension StaticString: Collection {
^
/Users/builder/builds/TDmZkXJm/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ContiguousCollection.swift:21:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'Collection'
extension StaticString: Collection {
^
Swift.Collection:3:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get }
           ^
Swift.Collection:14:5: note: requirement 'subscript(_:)' declared here
    subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get }
    ^
[18/103] Compiling NIO Embedded.swift
/Users/builder/builds/TDmZkXJm/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ContiguousCollection.swift:21:1: error: type 'StaticString' does not conform to protocol 'Collection'
extension StaticString: Collection {
^
/Users/builder/builds/TDmZkXJm/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ContiguousCollection.swift:21:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'Collection'
extension StaticString: Collection {
^
Swift.Collection:3:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get }
           ^
Swift.Collection:14:5: note: requirement 'subscript(_:)' declared here
    subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get }
    ^
error: emit-module command failed with exit code 1 (use -v to see invocation)
[19/109] Emitting module NIO
/Users/builder/builds/TDmZkXJm/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ContiguousCollection.swift:21:1: error: type 'StaticString' does not conform to protocol 'Collection'
extension StaticString: Collection {
^
/Users/builder/builds/TDmZkXJm/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ContiguousCollection.swift:21:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'Collection'
extension StaticString: Collection {
^
Swift.Collection:3:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get }
           ^
Swift.Collection:14:5: note: requirement 'subscript(_:)' declared here
    subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get }
    ^
[20/109] Compiling NIO EventLoop.swift
[21/109] Compiling NIO EventLoopFuture.swift
[22/109] Compiling NIO FileDescriptor.swift
[23/109] Compiling NIO FileHandle.swift
[24/109] Compiling NIO FileRegion.swift
[25/109] Compiling NIO GetaddrinfoResolver.swift
[26/114] Compiling NIO HappyEyeballs.swift
[27/114] Compiling NIO RecvByteBufferAllocator.swift
[28/114] Compiling NIO Resolver.swift
[29/114] Compiling NIO Selectable.swift
[30/114] Compiling NIO Selector.swift
[31/114] Compiling NIO ServerSocket.swift
[32/114] Compiling NIO Socket.swift
[33/114] Compiling NIO SocketAddresses.swift
[34/114] Compiling NIO ByteBuffer-int.swift
[35/114] Compiling NIO ByteBuffer-views.swift
[36/114] Compiling NIO Channel.swift
[37/114] Compiling NIO ChannelHandler.swift
[38/114] Emitting module Runtime
[39/114] Compiling NIO ChannelHandlers.swift
[40/114] Compiling NIO ChannelInvoker.swift
[41/114] Compiling NIO ChannelOption.swift
[42/114] Compiling NIO AddressedEnvelope.swift
[43/114] Compiling NIO BaseSocket.swift
[44/114] Compiling NIO BaseSocketChannel.swift
[45/114] Compiling NIO IO.swift
[46/114] Compiling NIO IOData.swift
[47/114] Compiling NIO IntegerTypes.swift
[48/114] Compiling NIO Interfaces.swift
[49/114] Compiling NIO Linux.swift
[50/114] Compiling NIO LinuxCPUSet.swift
[51/114] Compiling NIO BlockingIOThreadPool.swift
[52/114] Compiling NIO Bootstrap.swift
[53/114] Compiling NIO ByteBuffer-aux.swift
[54/114] Compiling NIO ByteBuffer-core.swift
[55/114] Compiling NIO Heap.swift
[62/114] Compiling Runtime GettersSetters.swift
[63/114] Compiling Runtime IntegerConvertible.swift
[64/114] Compiling Runtime Pointer+Extensions.swift
[65/114] Compiling Runtime RetainCounts.swift
[66/114] Compiling Runtime String+Extensions.swift
[71/114] Compiling NIO PendingDatagramWritesManager.swift
[72/114] Compiling NIO PendingWritesManager.swift
[73/114] Compiling NIO PriorityQueue.swift
[95/114] Compiling NIO SocketChannel.swift
[96/114] Compiling NIO SocketOptionProvider.swift
[97/114] Compiling NIO System.swift
[98/114] Compiling NIO Thread.swift
[99/114] Compiling NIO TypeAssistedChannelHandler.swift
[100/114] Compiling NIO Utilities.swift
error: fatalError
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
[0/1] Planning build
Building for debugging...
[1/8] Compiling NIO CompositeError.swift
[2/8] Compiling NIO Codec.swift
[3/8] Compiling NIO Embedded.swift
[4/8] Compiling NIO DeadChannel.swift
[5/8] Compiling NIO CircularBuffer.swift
[6/8] Compiling NIO ContiguousCollection.swift
/Users/builder/builds/TDmZkXJm/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ContiguousCollection.swift:21:1: error: type 'StaticString' does not conform to protocol 'Collection'
extension StaticString: Collection {
^
/Users/builder/builds/TDmZkXJm/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ContiguousCollection.swift:21:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'Collection'
extension StaticString: Collection {
^
Swift.Collection:3:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get }
           ^
Swift.Collection:14:5: note: requirement 'subscript(_:)' declared here
    subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get }
    ^
error: emit-module command failed with exit code 1 (use -v to see invocation)
[7/23] Emitting module NIO
/Users/builder/builds/TDmZkXJm/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ContiguousCollection.swift:21:1: error: type 'StaticString' does not conform to protocol 'Collection'
extension StaticString: Collection {
^
/Users/builder/builds/TDmZkXJm/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ContiguousCollection.swift:21:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'Collection'
extension StaticString: Collection {
^
Swift.Collection:3:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get }
           ^
Swift.Collection:14:5: note: requirement 'subscript(_:)' declared here
    subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get }
    ^
[8/23] Compiling NIO ChannelPipeline.swift
[9/31] Compiling NIO ChannelHandlers.swift
[10/35] Compiling NIO ByteBuffer-int.swift
[11/35] Compiling NIO ByteBuffer-views.swift
[12/35] Compiling NIO Channel.swift
[13/35] Compiling NIO ChannelInvoker.swift
[14/38] Compiling NIO Bootstrap.swift
[15/41] Compiling NIO HappyEyeballs.swift
[16/41] Compiling NIO Heap.swift
[17/41] Compiling NIO IO.swift
[18/41] Compiling NIO IOData.swift
[19/42] Compiling NIO IntegerTypes.swift
[20/42] Compiling NIO Interfaces.swift
[21/42] Compiling NIO MarkedCircularBuffer.swift
[22/42] Compiling NIO NIOAny.swift
[23/42] Compiling NIO EventLoop.swift
[24/42] Compiling NIO EventLoopFuture.swift
[25/42] Compiling NIO FileRegion.swift
[26/42] Compiling NIO GetaddrinfoResolver.swift
[27/42] Compiling NIO SocketOptionProvider.swift
[28/42] Compiling NIO NonBlockingFileIO.swift
[29/42] Compiling NIO PendingDatagramWritesManager.swift
[30/42] Compiling NIO PendingWritesManager.swift
[31/42] Compiling NIO PriorityQueue.swift
[32/42] Compiling NIO RecvByteBufferAllocator.swift
[33/42] Compiling NIO Selector.swift
[34/42] Compiling NIO SocketAddresses.swift
[35/42] Compiling NIO ChannelHandler.swift
[36/42] Compiling NIO BaseSocket.swift
[37/42] Compiling NIO BaseSocketChannel.swift
[38/42] Compiling NIO BlockingIOThreadPool.swift
[39/42] Compiling NIO ByteBuffer-core.swift
[40/42] Compiling NIO SocketChannel.swift
[41/42] Compiling NIO System.swift
[42/42] Compiling NIO Thread.swift
error: fatalError
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 5.9 macosSpm