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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: master
Initialized empty Git repository in /Users/admin/builds/J1XnyXFH/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.git/
From https://github.com/bryannorden/elo-rating-swift
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 8234a91 Set theme jekyll-theme-time-machine
Cloned https://github.com/bryannorden/elo-rating-swift.git
Revision (git rev-parse @):
8234a9118d8bfb8a162d9c172706485575aaa7df
SUCCESS checkout https://github.com/bryannorden/elo-rating-swift.git at master
========================================
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
[26/36] Write sources
[29/36] Compiling CNIOLinux shim.c
[30/36] Compiling CNIOOpenSSL empty.c
[31/36] Write swift-version--423B1241ED78D482.txt
/Users/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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.
[32/50] Compiling CNIOSHA1 c_nio_sha1.c
[33/50] Compiling CNIOHTTPParser c_nio_http_parser.c
[34/50] Compiling CNIODarwin shim.c
[36/50] Compiling COperatingSystem libc.swift
[37/50] Emitting module COperatingSystem
[38/50] Compiling NIOPriorityQueue PriorityQueue.swift
[39/50] Emitting module NIOPriorityQueue
[40/50] Compiling NIOPriorityQueue Heap.swift
[40/50] Compiling c-atomics.c
[42/53] Compiling NIOConcurrencyHelpers lock.swift
[43/53] Emitting module NIOConcurrencyHelpers
[44/53] Compiling NIOConcurrencyHelpers atomics.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[45/96] Emitting module NIO
/Users/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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 }
    ^
[46/102] Compiling NIO ByteBuffer-core.swift
/Users/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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) },
                                   ^
                                                     !
[47/102] Compiling NIO ByteBuffer-int.swift
/Users/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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) },
                                   ^
                                                     !
[48/102] Compiling NIO Channel.swift
/Users/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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) },
                                   ^
                                                     !
[49/102] Compiling NIO ChannelHandler.swift
/Users/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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) },
                                   ^
                                                     !
[50/102] Compiling NIO ChannelHandlers.swift
/Users/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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) },
                                   ^
                                                     !
[51/102] Compiling NIO ChannelInvoker.swift
/Users/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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) },
                                   ^
                                                     !
[52/102] Compiling Debugging StackTrace.swift
[53/102] Compiling Debugging SourceLocation.swift
[54/102] Compiling Debugging Demangler.swift
[55/102] Compiling Logging Logger.swift
[56/102] Emitting module Logging
[57/102] Compiling Logging PrintLogger.swift
[58/102] Compiling Logging LogLevel.swift
[59/102] Emitting module Debugging
[60/102] Compiling Debugging Debuggable.swift
[61/102] Compiling NIO RecvByteBufferAllocator.swift
[62/102] Compiling NIO Resolver.swift
[63/102] Compiling NIO Selectable.swift
[64/102] Compiling NIO Selector.swift
[65/102] Compiling NIO ServerSocket.swift
[66/102] Compiling NIO Socket.swift
[67/102] Compiling NIO GetaddrinfoResolver.swift
[68/102] Compiling NIO HappyEyeballs.swift
[69/102] Compiling NIO IO.swift
[70/102] Compiling NIO IOData.swift
[71/102] Compiling NIO Interfaces.swift
[72/102] Compiling NIO Linux.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 AddressedEnvelope.swift
[86/102] Compiling NIO BaseSocket.swift
[87/102] Compiling NIO BaseSocketChannel.swift
[88/102] Compiling NIO BlockingIOThreadPool.swift
[89/102] Compiling NIO Bootstrap.swift
[90/102] Compiling NIO ByteBuffer-aux.swift
[91/102] Compiling NIO ChannelOption.swift
[92/102] Compiling NIO ChannelPipeline.swift
[93/102] Compiling NIO CircularBuffer.swift
[94/102] Compiling NIO Codec.swift
[95/102] Compiling NIO CompositeError.swift
[96/102] Compiling NIO DeadChannel.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
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version--423B1241ED78D482.txt
[2/8] Compiling NIO ChannelInvoker.swift
[3/12] Compiling NIO ChannelHandler.swift
[4/13] Compiling NIO ByteBuffer-int.swift
[5/14] Compiling NIO Channel.swift
[6/14] Compiling NIO ChannelHandlers.swift
[7/15] Compiling NIO ByteBuffer-core.swift
/Users/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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) },
                                   ^
                                                     !
error: emit-module command failed with exit code 1 (use -v to see invocation)
[8/15] Emitting module NIO
/Users/admin/builds/J1XnyXFH/0/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/admin/builds/J1XnyXFH/0/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 }
    ^
[9/15] Compiling NIO DeadChannel.swift
[10/19] Compiling NIO TypeAssistedChannelHandler.swift
[11/23] Compiling NIO Embedded.swift
[12/26] Compiling NIO BaseSocketChannel.swift
[13/26] Compiling NIO Bootstrap.swift
[14/26] Compiling NIO ChannelPipeline.swift
[15/26] Compiling NIO Codec.swift
[16/32] Compiling NIO HappyEyeballs.swift
[17/35] Compiling NIO SocketChannel.swift
[18/35] Compiling NIO Selector.swift
[19/41] Compiling NIO EventLoop.swift
[20/44] Compiling NIO IO.swift
[21/44] Compiling NIO IOData.swift
[22/44] Compiling NIO Interfaces.swift
[23/44] Compiling NIO FileHandle.swift
[24/44] Compiling NIO FileRegion.swift
[25/44] Compiling NIO GetaddrinfoResolver.swift
[26/44] Compiling NIO MarkedCircularBuffer.swift
[27/44] Compiling NIO NIOAny.swift
[28/44] Compiling NIO NonBlockingFileIO.swift
[29/44] Compiling NIO CircularBuffer.swift
[30/44] Compiling NIO CompositeError.swift
[31/44] Compiling NIO EventLoopFuture.swift
[32/44] Compiling NIO BaseSocket.swift
[33/44] Compiling NIO BlockingIOThreadPool.swift
[34/44] Compiling NIO ByteBuffer-aux.swift
[35/44] Compiling NIO ChannelOption.swift
[36/44] Compiling NIO System.swift
[37/44] Compiling NIO Thread.swift
[38/44] Compiling NIO Utilities.swift
[39/44] Compiling NIO ServerSocket.swift
[40/44] Compiling NIO Socket.swift
[41/44] Compiling NIO SocketAddresses.swift
[42/44] Compiling NIO PendingDatagramWritesManager.swift
[43/44] Compiling NIO PendingWritesManager.swift
[44/44] Compiling NIO RecvByteBufferAllocator.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
BUILD FAILURE 5.10 macosSpm