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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 EloRatingSystem 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/bryannorden/elo-rating-swift.git
Reference: 1.2.0
Initialized empty Git repository in /Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.git/
From https://github.com/bryannorden/elo-rating-swift
 * tag               1.2.0      -> FETCH_HEAD
HEAD is now at ad3343b Updated README
Cloned https://github.com/bryannorden/elo-rating-swift.git
Revision (git rev-parse @):
ad3343bed9737c3d8a7199dba7e08270549d1795
SUCCESS checkout https://github.com/bryannorden/elo-rating-swift.git at 1.2.0
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             5.10
Building package at path:  $workDir
https://github.com/bryannorden/elo-rating-swift.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.3.0-Beta.2.app xcrun swift build --arch arm64
Building for debugging...
[0/36] Write sources
[26/36] Compiling CNIOZlib empty.c
[27/36] Write sources
[29/36] Compiling CNIOLinux shim.c
[30/36] Compiling CNIOOpenSSL empty.c
[31/36] Write swift-version--423B1241ED78D482.txt
[32/50] Compiling CNIOHTTPParser c_nio_http_parser.c
[33/50] Compiling CNIODarwin shim.c
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/CNIOSHA1/c_nio_sha1.c:101:1: 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/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/CNIOSHA1/c_nio_sha1.c:186:1: 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/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/CNIOSHA1/c_nio_sha1.c:198:1: 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/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/CNIOSHA1/c_nio_sha1.c:233:1: 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.
[34/50] Compiling CNIOSHA1 c_nio_sha1.c
[36/50] Emitting module COperatingSystem
[37/50] Compiling COperatingSystem libc.swift
[38/50] Emitting module NIOPriorityQueue
[39/50] Compiling NIOPriorityQueue PriorityQueue.swift
[40/50] Compiling NIOPriorityQueue Heap.swift
[40/50] Compiling c-atomics.c
[42/53] Compiling NIOConcurrencyHelpers lock.swift
[43/53] Emitting module Logging
[44/53] Compiling NIOConcurrencyHelpers atomics.swift
[45/53] Emitting module NIOConcurrencyHelpers
error: emit-module command failed with exit code 1 (use -v to see invocation)
[46/96] Compiling NIO GetaddrinfoResolver.swift
[47/96] Compiling NIO HappyEyeballs.swift
[48/96] Compiling NIO IO.swift
[49/96] Compiling NIO IOData.swift
[50/96] Compiling NIO Interfaces.swift
[51/96] Compiling NIO Linux.swift
[52/96] Emitting module NIO
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:575:1: error: type 'StaticString' does not conform to protocol 'Collection'
extension StaticString: Collection {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:575:1: 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 }
    ^
[53/96] Compiling NIO ByteBuffer-core.swift
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:575:1: error: type 'StaticString' does not conform to protocol 'Collection'
extension StaticString: Collection {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:575:1: 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 }
    ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:42:35: error: value of optional type 'UnsafeMutableRawPointer?' must be unwrapped to a value of type 'UnsafeMutableRawPointer'
        self.init(hookedMalloc: { sysMalloc($0) },
                                  ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:42:35: note: coalesce using '??' to provide a default when the optional value contains 'nil'
        self.init(hookedMalloc: { sysMalloc($0) },
                                  ^
                                                ?? <#default value#>
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:42:35: note: force-unwrap using '!' to abort execution if the optional value contains 'nil'
        self.init(hookedMalloc: { sysMalloc($0) },
                                  ^
                                               !
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:43:36: error: value of optional type 'UnsafeMutableRawPointer?' must be unwrapped to a value of type 'UnsafeMutableRawPointer'
                  hookedRealloc: { sysRealloc($0, $1) },
                                   ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:43:36: note: coalesce using '??' to provide a default when the optional value contains 'nil'
                  hookedRealloc: { sysRealloc($0, $1) },
                                   ^
                                                      ?? <#default value#>
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:43:36: note: force-unwrap using '!' to abort execution if the optional value contains 'nil'
                  hookedRealloc: { sysRealloc($0, $1) },
                                   ^
                                                     !
[54/96] Compiling NIO ByteBuffer-int.swift
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:575:1: error: type 'StaticString' does not conform to protocol 'Collection'
extension StaticString: Collection {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:575:1: 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 }
    ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:42:35: error: value of optional type 'UnsafeMutableRawPointer?' must be unwrapped to a value of type 'UnsafeMutableRawPointer'
        self.init(hookedMalloc: { sysMalloc($0) },
                                  ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:42:35: note: coalesce using '??' to provide a default when the optional value contains 'nil'
        self.init(hookedMalloc: { sysMalloc($0) },
                                  ^
                                                ?? <#default value#>
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:42:35: note: force-unwrap using '!' to abort execution if the optional value contains 'nil'
        self.init(hookedMalloc: { sysMalloc($0) },
                                  ^
                                               !
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:43:36: error: value of optional type 'UnsafeMutableRawPointer?' must be unwrapped to a value of type 'UnsafeMutableRawPointer'
                  hookedRealloc: { sysRealloc($0, $1) },
                                   ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:43:36: note: coalesce using '??' to provide a default when the optional value contains 'nil'
                  hookedRealloc: { sysRealloc($0, $1) },
                                   ^
                                                      ?? <#default value#>
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:43:36: note: force-unwrap using '!' to abort execution if the optional value contains 'nil'
                  hookedRealloc: { sysRealloc($0, $1) },
                                   ^
                                                     !
[55/96] Compiling NIO Channel.swift
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:575:1: error: type 'StaticString' does not conform to protocol 'Collection'
extension StaticString: Collection {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:575:1: 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 }
    ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:42:35: error: value of optional type 'UnsafeMutableRawPointer?' must be unwrapped to a value of type 'UnsafeMutableRawPointer'
        self.init(hookedMalloc: { sysMalloc($0) },
                                  ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:42:35: note: coalesce using '??' to provide a default when the optional value contains 'nil'
        self.init(hookedMalloc: { sysMalloc($0) },
                                  ^
                                                ?? <#default value#>
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:42:35: note: force-unwrap using '!' to abort execution if the optional value contains 'nil'
        self.init(hookedMalloc: { sysMalloc($0) },
                                  ^
                                               !
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:43:36: error: value of optional type 'UnsafeMutableRawPointer?' must be unwrapped to a value of type 'UnsafeMutableRawPointer'
                  hookedRealloc: { sysRealloc($0, $1) },
                                   ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:43:36: note: coalesce using '??' to provide a default when the optional value contains 'nil'
                  hookedRealloc: { sysRealloc($0, $1) },
                                   ^
                                                      ?? <#default value#>
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:43:36: note: force-unwrap using '!' to abort execution if the optional value contains 'nil'
                  hookedRealloc: { sysRealloc($0, $1) },
                                   ^
                                                     !
[56/96] Compiling NIO ChannelHandler.swift
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:575:1: error: type 'StaticString' does not conform to protocol 'Collection'
extension StaticString: Collection {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:575:1: 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 }
    ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:42:35: error: value of optional type 'UnsafeMutableRawPointer?' must be unwrapped to a value of type 'UnsafeMutableRawPointer'
        self.init(hookedMalloc: { sysMalloc($0) },
                                  ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:42:35: note: coalesce using '??' to provide a default when the optional value contains 'nil'
        self.init(hookedMalloc: { sysMalloc($0) },
                                  ^
                                                ?? <#default value#>
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:42:35: note: force-unwrap using '!' to abort execution if the optional value contains 'nil'
        self.init(hookedMalloc: { sysMalloc($0) },
                                  ^
                                               !
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:43:36: error: value of optional type 'UnsafeMutableRawPointer?' must be unwrapped to a value of type 'UnsafeMutableRawPointer'
                  hookedRealloc: { sysRealloc($0, $1) },
                                   ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:43:36: note: coalesce using '??' to provide a default when the optional value contains 'nil'
                  hookedRealloc: { sysRealloc($0, $1) },
                                   ^
                                                      ?? <#default value#>
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:43:36: note: force-unwrap using '!' to abort execution if the optional value contains 'nil'
                  hookedRealloc: { sysRealloc($0, $1) },
                                   ^
                                                     !
[57/96] Compiling NIO ChannelHandlers.swift
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:575:1: error: type 'StaticString' does not conform to protocol 'Collection'
extension StaticString: Collection {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:575:1: 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 }
    ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:42:35: error: value of optional type 'UnsafeMutableRawPointer?' must be unwrapped to a value of type 'UnsafeMutableRawPointer'
        self.init(hookedMalloc: { sysMalloc($0) },
                                  ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:42:35: note: coalesce using '??' to provide a default when the optional value contains 'nil'
        self.init(hookedMalloc: { sysMalloc($0) },
                                  ^
                                                ?? <#default value#>
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:42:35: note: force-unwrap using '!' to abort execution if the optional value contains 'nil'
        self.init(hookedMalloc: { sysMalloc($0) },
                                  ^
                                               !
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:43:36: error: value of optional type 'UnsafeMutableRawPointer?' must be unwrapped to a value of type 'UnsafeMutableRawPointer'
                  hookedRealloc: { sysRealloc($0, $1) },
                                   ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:43:36: note: coalesce using '??' to provide a default when the optional value contains 'nil'
                  hookedRealloc: { sysRealloc($0, $1) },
                                   ^
                                                      ?? <#default value#>
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:43:36: note: force-unwrap using '!' to abort execution if the optional value contains 'nil'
                  hookedRealloc: { sysRealloc($0, $1) },
                                   ^
                                                     !
[58/96] Compiling NIO ChannelInvoker.swift
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:575:1: error: type 'StaticString' does not conform to protocol 'Collection'
extension StaticString: Collection {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:575:1: 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 }
    ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:42:35: error: value of optional type 'UnsafeMutableRawPointer?' must be unwrapped to a value of type 'UnsafeMutableRawPointer'
        self.init(hookedMalloc: { sysMalloc($0) },
                                  ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:42:35: note: coalesce using '??' to provide a default when the optional value contains 'nil'
        self.init(hookedMalloc: { sysMalloc($0) },
                                  ^
                                                ?? <#default value#>
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:42:35: note: force-unwrap using '!' to abort execution if the optional value contains 'nil'
        self.init(hookedMalloc: { sysMalloc($0) },
                                  ^
                                               !
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:43:36: error: value of optional type 'UnsafeMutableRawPointer?' must be unwrapped to a value of type 'UnsafeMutableRawPointer'
                  hookedRealloc: { sysRealloc($0, $1) },
                                   ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:43:36: note: coalesce using '??' to provide a default when the optional value contains 'nil'
                  hookedRealloc: { sysRealloc($0, $1) },
                                   ^
                                                      ?? <#default value#>
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:43:36: note: force-unwrap using '!' to abort execution if the optional value contains 'nil'
                  hookedRealloc: { sysRealloc($0, $1) },
                                   ^
                                                     !
[59/102] Compiling NIO RecvByteBufferAllocator.swift
[60/102] Compiling NIO Resolver.swift
[61/102] Compiling NIO Selectable.swift
[62/102] Compiling NIO Selector.swift
[63/102] Compiling NIO ServerSocket.swift
[64/102] Compiling NIO Socket.swift
[65/102] Compiling Debugging StackTrace.swift
[66/102] Compiling Debugging SourceLocation.swift
[67/102] Compiling Logging PrintLogger.swift
[68/102] Compiling Logging LogLevel.swift
[69/102] Compiling Logging Logger.swift
[70/102] Compiling Debugging Demangler.swift
[71/102] Emitting module Debugging
[72/102] Compiling Debugging Debuggable.swift
[73/102] Compiling NIO LinuxCPUSet.swift
[74/102] Compiling NIO MarkedCircularBuffer.swift
[75/102] Compiling NIO NIOAny.swift
[76/102] Compiling NIO NonBlockingFileIO.swift
[77/102] Compiling NIO PendingDatagramWritesManager.swift
[78/102] Compiling NIO PendingWritesManager.swift
[79/102] Compiling NIO Embedded.swift
[80/102] Compiling NIO EventLoop.swift
[81/102] Compiling NIO EventLoopFuture.swift
[82/102] Compiling NIO FileDescriptor.swift
[83/102] Compiling NIO FileHandle.swift
[84/102] Compiling NIO FileRegion.swift
[85/102] Compiling NIO ChannelOption.swift
[86/102] Compiling NIO ChannelPipeline.swift
[87/102] Compiling NIO CircularBuffer.swift
[88/102] Compiling NIO Codec.swift
[89/102] Compiling NIO CompositeError.swift
[90/102] Compiling NIO DeadChannel.swift
[91/102] Compiling NIO AddressedEnvelope.swift
[92/102] Compiling NIO BaseSocket.swift
[93/102] Compiling NIO BaseSocketChannel.swift
[94/102] Compiling NIO BlockingIOThreadPool.swift
[95/102] Compiling NIO Bootstrap.swift
[96/102] Compiling NIO ByteBuffer-aux.swift
[97/102] Compiling NIO SocketAddresses.swift
[98/102] Compiling NIO SocketChannel.swift
[99/102] Compiling NIO System.swift
[100/102] Compiling NIO Thread.swift
[101/102] Compiling NIO TypeAssistedChannelHandler.swift
[102/102] Compiling NIO Utilities.swift
error: fatalError
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warning: 'swift-nio-ssl-support': ignoring declared target(s) 'swift-nio-ssl-support' in the system package
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
warning: you may be able to install openssl using your system-packager:
    brew install libressl
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version--423B1241ED78D482.txt
[2/8] Compiling NIO Channel.swift
[3/16] Compiling NIO ByteBuffer-int.swift
[4/16] Compiling NIO ChannelInvoker.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[5/16] Compiling NIO ChannelHandler.swift
[6/16] Compiling NIO ChannelHandlers.swift
[7/16] Compiling NIO ByteBuffer-core.swift
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:575:1: error: type 'StaticString' does not conform to protocol 'Collection'
extension StaticString: Collection {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:575:1: 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 }
    ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:42:35: error: value of optional type 'UnsafeMutableRawPointer?' must be unwrapped to a value of type 'UnsafeMutableRawPointer'
        self.init(hookedMalloc: { sysMalloc($0) },
                                  ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:42:35: note: coalesce using '??' to provide a default when the optional value contains 'nil'
        self.init(hookedMalloc: { sysMalloc($0) },
                                  ^
                                                ?? <#default value#>
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:42:35: note: force-unwrap using '!' to abort execution if the optional value contains 'nil'
        self.init(hookedMalloc: { sysMalloc($0) },
                                  ^
                                               !
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:43:36: error: value of optional type 'UnsafeMutableRawPointer?' must be unwrapped to a value of type 'UnsafeMutableRawPointer'
                  hookedRealloc: { sysRealloc($0, $1) },
                                   ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:43:36: note: coalesce using '??' to provide a default when the optional value contains 'nil'
                  hookedRealloc: { sysRealloc($0, $1) },
                                   ^
                                                      ?? <#default value#>
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:43:36: note: force-unwrap using '!' to abort execution if the optional value contains 'nil'
                  hookedRealloc: { sysRealloc($0, $1) },
                                   ^
                                                     !
[8/16] Emitting module NIO
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:575:1: error: type 'StaticString' does not conform to protocol 'Collection'
extension StaticString: Collection {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:575:1: 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 }
    ^
[9/37] Compiling NIO GetaddrinfoResolver.swift
[10/37] Compiling NIO HappyEyeballs.swift
[11/37] Compiling NIO IO.swift
[12/37] Compiling NIO IOData.swift
[13/38] Compiling NIO System.swift
[14/38] Compiling NIO Thread.swift
[15/38] Compiling NIO Utilities.swift
[16/39] Compiling NIO ByteBuffer-aux.swift
[17/40] Compiling NIO ChannelPipeline.swift
[18/40] Compiling NIO CircularBuffer.swift
[19/40] Compiling NIO Codec.swift
[20/40] Compiling NIO DeadChannel.swift
[21/41] Compiling NIO ChannelOption.swift
[22/42] Compiling NIO CompositeError.swift
[23/43] Compiling NIO Interfaces.swift
[24/43] Compiling NIO MarkedCircularBuffer.swift
[25/43] Compiling NIO NIOAny.swift
[26/43] Compiling NIO NonBlockingFileIO.swift
[27/43] Compiling NIO PendingDatagramWritesManager.swift
[28/43] Compiling NIO PendingWritesManager.swift
[29/43] Compiling NIO RecvByteBufferAllocator.swift
[30/44] Compiling NIO FileHandle.swift
[31/44] Compiling NIO ServerSocket.swift
[32/44] Compiling NIO TypeAssistedChannelHandler.swift
[33/44] Compiling NIO Selector.swift
[34/44] Compiling NIO SocketAddresses.swift
[35/44] Compiling NIO SocketChannel.swift
[36/44] Compiling NIO BaseSocket.swift
[37/44] Compiling NIO BaseSocketChannel.swift
[38/44] Compiling NIO BlockingIOThreadPool.swift
[39/44] Compiling NIO Bootstrap.swift
[40/44] Compiling NIO Embedded.swift
[41/44] Compiling NIO EventLoop.swift
[42/44] Compiling NIO EventLoopFuture.swift
[43/44] Compiling NIO FileRegion.swift
[44/44] Compiling NIO Socket.swift
error: fatalError
warning: 'swift-nio-ssl-support': ignoring declared target(s) 'swift-nio-ssl-support' in the system package
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
warning: you may be able to install openssl using your system-packager:
    brew install libressl
BUILD FAILURE 5.10 macosSpm