The Swift Package Index logo.Swift Package Index

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 Ether 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/ether-cli/ether.git
Reference: master
Initialized empty Git repository in /Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.git/
From https://github.com/ether-cli/ether
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 0c0cf3f Merge pull request #37 from Ether-CLI/develop
Cloned https://github.com/ether-cli/ether.git
Revision (git rev-parse @):
0c0cf3f030ed41704db4bb9d0086d55ff1536727
SUCCESS checkout https://github.com/ether-cli/ether.git at master
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             5.10
Building package at path:  $workDir
https://github.com/ether-cli/ether.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.3.0-Beta.2.app xcrun swift build --arch arm64
Building for debugging...
[0/49] Write sources
[24/49] Write Executable-entitlement.plist
[24/49] Write sources
[34/49] Compiling CNIOZlib empty.c
[35/49] Compiling CNIOLinux shim.c
[36/49] Compiling CNIOOpenSSL empty.c
[37/49] Write sources
[39/49] Write swift-version--423B1241ED78D482.txt
[40/56] Compiling libbcrypt blf.c
[41/56] Compiling CNIODarwin shim.c
/Users/builder/builds/UKfvDsi8u/1/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/1/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/1/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/1/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.
[42/62] Compiling CNIOSHA1 c_nio_sha1.c
[43/62] Compiling CNIOHTTPParser c_nio_http_parser.c
[44/62] Compiling libbcrypt bcrypt.c
[46/64] Compiling COperatingSystem libc.swift
[47/64] Emitting module COperatingSystem
[48/64] Emitting module NIOPriorityQueue
[49/64] Compiling NIOPriorityQueue Heap.swift
[50/64] Compiling NIOPriorityQueue PriorityQueue.swift
[50/64] Compiling c-atomics.c
[52/67] Compiling Debugging SourceLocation.swift
[53/67] Emitting module Debugging
[54/67] Compiling NIOConcurrencyHelpers lock.swift
[55/67] Emitting module NIOConcurrencyHelpers
[56/67] Compiling NIOConcurrencyHelpers atomics.swift
[57/85] Emitting module Utilities
[58/114] Compiling Debugging Demangler.swift
[59/114] Compiling Debugging Debuggable.swift
[60/114] Compiling Utilities Saveable.swift
[61/114] Compiling Utilities Deletable.swift
[62/114] Compiling Utilities String+NSRange.swift
[63/114] Compiling NIO IO.swift
[64/114] Compiling NIO IOData.swift
[65/114] Compiling NIO IntegerTypes.swift
[66/114] Compiling NIO Interfaces.swift
[67/114] Compiling NIO Linux.swift
[68/114] Compiling NIO LinuxCPUSet.swift
[69/142] Compiling Files Files.swift
[70/142] Emitting module Files
[71/142] Compiling Manifest Internal.swift
/Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:732:1: error: type 'StaticString' does not conform to protocol 'Collection'
extension StaticString: Collection {
^
/Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:732:1: 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 }
    ^
[72/142] Compiling Manifest Manifest+Mutations.swift
/Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:732:1: error: type 'StaticString' does not conform to protocol 'Collection'
extension StaticString: Collection {
^
/Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:732:1: 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 }
    ^
[73/142] Compiling Manifest Manifest.swift
/Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:732:1: error: type 'StaticString' does not conform to protocol 'Collection'
extension StaticString: Collection {
^
/Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:732:1: 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 }
    ^
[74/142] Compiling Manifest Dependency+CUD.swift
/Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:732:1: error: type 'StaticString' does not conform to protocol 'Collection'
extension StaticString: Collection {
^
/Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:732:1: 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 }
    ^
[75/142] Compiling Manifest Dependency.swift
/Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:732:1: error: type 'StaticString' does not conform to protocol 'Collection'
extension StaticString: Collection {
^
/Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:732:1: 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 }
    ^
[76/142] Compiling Manifest Manifest+Dependency.swift
/Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:732:1: error: type 'StaticString' does not conform to protocol 'Collection'
extension StaticString: Collection {
^
/Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:732:1: 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 }
    ^
[77/142] Compiling Manifest Pin.swift
/Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:732:1: error: type 'StaticString' does not conform to protocol 'Collection'
extension StaticString: Collection {
^
/Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:732:1: 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 }
    ^
[78/148] Compiling Manifest ManifestCodingKeys.swift
[79/148] Compiling Manifest ManifestElement.swift
[80/148] Compiling Manifest Manifest+Product.swift
[81/150] Compiling Manifest VersionType.swift
[82/150] Compiling Manifest Environment.swift
[83/150] Compiling Manifest Error.swift
[84/150] Compiling Manifest Product+CUD.swift
[85/150] Compiling Manifest Product.swift
[86/150] Compiling Manifest ProductSubTypes.swift
[90/150] Compiling NIO ByteBuffer-int.swift
[91/150] Compiling Manifest Manifest+Providers.swift
[92/150] Compiling NIO ByteBuffer-views.swift
[93/150] Compiling NIO Channel.swift
[94/150] Compiling NIO ChannelHandler.swift
[95/150] Compiling NIO ChannelHandlers.swift
[96/150] Compiling NIO ChannelInvoker.swift
[97/150] Compiling NIO ChannelOption.swift
[98/150] Compiling NIO RecvByteBufferAllocator.swift
[99/150] Compiling NIO Resolver.swift
[100/150] Compiling Manifest Providers+CUD.swift
[101/150] Compiling NIO Selectable.swift
[102/150] Compiling Manifest Providers.swift
[103/150] Compiling NIO Selector.swift
[104/150] Compiling NIO ServerSocket.swift
[105/150] Compiling NIO Socket.swift
[106/150] Emitting module Xgen
[107/150] Compiling Xgen Workspace.swift
[108/150] Compiling Xgen Generatable.swift
[109/150] Compiling Xgen String+Xgen.swift
[110/150] Compiling Xgen Playground.swift
[111/150] Compiling Xgen XgenError.swift
[113/150] Compiling Manifest Resolved.swift
[114/150] Compiling Manifest Manifest+Target.swift
[115/150] Compiling Manifest Target+CUD.swift
[116/150] Compiling Manifest Target.swift
[117/150] Compiling NIO NonBlockingFileIO.swift
[118/150] Compiling NIO PendingDatagramWritesManager.swift
[119/150] Compiling NIO PendingWritesManager.swift
[120/150] Compiling NIO PriorityQueue.swift
[121/150] Emitting module Manifest
error: emit-module command failed with exit code 1 (use -v to see invocation)
[141/150] Emitting module NIO
/Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:732:1: error: type 'StaticString' does not conform to protocol 'Collection'
extension StaticString: Collection {
^
/Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:732:1: 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 }
    ^
[142/150] Compiling NIO SocketAddresses.swift
[143/150] Compiling NIO SocketChannel.swift
[144/150] Compiling NIO System.swift
[145/150] Compiling NIO Thread.swift
[146/150] Compiling NIO TypeAssistedChannelHandler.swift
[147/150] Compiling NIO Utilities.swift
error: fatalError
Fetching https://github.com/vapor/url-encoded-form.git from cache
Fetching https://github.com/vapor/multipart.git from cache
Fetching https://github.com/vapor/vapor.git from cache
Fetching https://github.com/vapor/validation.git from cache
Fetching https://github.com/apple/swift-nio.git from cache
Fetching https://github.com/vapor/crypto.git from cache
Fetched https://github.com/vapor/vapor.git from cache (0.26s)
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Fetching https://github.com/vapor/routing.git from cache
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Fetching https://github.com/apple/swift-nio-ssl.git from cache
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Fetching https://github.com/vapor/websocket.git from cache
Fetching https://github.com/JohnSundell/Files.git from cache
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Fetching https://github.com/vapor/template-kit.git from cache
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Fetching https://github.com/JohnSundell/Xgen.git from cache
Fetched https://github.com/vapor/http.git from cache (0.19s)
Fetching https://github.com/vapor/database-kit.git from cache
Fetched https://github.com/vapor/websocket.git from cache (0.20s)
Fetching https://github.com/Ether-CLI/Manifest.git from cache
Fetched https://github.com/apple/swift-nio-ssl.git from cache (0.20s)
Fetching https://github.com/vapor/core.git from cache
Fetched https://github.com/vapor/routing.git from cache (0.21s)
Fetching https://github.com/apple/swift-nio-ssl-support.git from cache
Fetched https://github.com/vapor/template-kit.git from cache (0.16s)
Fetching https://github.com/apple/swift-nio-zlib-support.git from cache
Fetched https://github.com/JohnSundell/Xgen.git from cache (0.18s)
Fetching https://github.com/vapor/console.git from cache
Fetched https://github.com/Ether-CLI/Manifest.git from cache (0.18s)
Fetched https://github.com/vapor/database-kit.git from cache (0.19s)
Fetched https://github.com/vapor/core.git from cache (0.19s)
Fetched https://github.com/apple/swift-nio-ssl-support.git from cache (0.18s)
Fetched https://github.com/apple/swift-nio-zlib-support.git from cache (0.17s)
Fetched https://github.com/vapor/console.git from cache (0.20s)
Computing version for https://github.com/Ether-CLI/Manifest.git
Computed https://github.com/Ether-CLI/Manifest.git at 0.4.6 (0.34s)
Computing version for https://github.com/vapor/core.git
Computed https://github.com/vapor/core.git at 3.4.2 (0.34s)
Computing version for https://github.com/vapor/vapor.git
Computed https://github.com/vapor/vapor.git at 3.0.8 (0.34s)
Fetching https://github.com/vapor/service.git from cache
Fetched https://github.com/vapor/service.git from cache (0.14s)
Computing version for https://github.com/JohnSundell/Xgen.git
Computed https://github.com/JohnSundell/Xgen.git at 2.1.0 (0.34s)
Computing version for https://github.com/apple/swift-nio.git
Computed https://github.com/apple/swift-nio.git at 1.9.4 (0.03s)
Computing version for https://github.com/vapor/websocket.git
Computed https://github.com/vapor/websocket.git at 1.0.1 (0.35s)
Computing version for https://github.com/vapor/validation.git
Computed https://github.com/vapor/validation.git at 2.1.0 (0.03s)
Computing version for https://github.com/vapor/url-encoded-form.git
Computed https://github.com/vapor/url-encoded-form.git at 1.0.4 (0.37s)
Computing version for https://github.com/vapor/template-kit.git
Computed https://github.com/vapor/template-kit.git at 1.1.0 (0.34s)
Computing version for https://github.com/vapor/routing.git
Computed https://github.com/vapor/routing.git at 3.0.1 (0.03s)
Computing version for https://github.com/vapor/multipart.git
Computed https://github.com/vapor/multipart.git at 3.0.2 (0.02s)
Computing version for https://github.com/vapor/http.git
Computed https://github.com/vapor/http.git at 3.1.2 (0.34s)
Computing version for https://github.com/vapor/database-kit.git
Computed https://github.com/vapor/database-kit.git at 1.3.1 (0.02s)
Computing version for https://github.com/vapor/crypto.git
Computed https://github.com/vapor/crypto.git at 3.2.0 (0.34s)
Computing version for https://github.com/JohnSundell/ShellOut.git
Computed https://github.com/JohnSundell/ShellOut.git at 2.1.0 (0.33s)
Computing version for https://github.com/JohnSundell/Files.git
Computed https://github.com/JohnSundell/Files.git at 2.2.1 (0.35s)
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 (0.02s)
Computing version for https://github.com/apple/swift-nio-ssl.git
Computed https://github.com/apple/swift-nio-ssl.git at 1.2.0 (0.33s)
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Computed https://github.com/apple/swift-nio-ssl-support.git at 1.0.0 (0.02s)
Computing version for https://github.com/vapor/service.git
Computed https://github.com/vapor/service.git at 1.0.2 (0.02s)
Computing version for https://github.com/vapor/console.git
Computed https://github.com/vapor/console.git at 3.1.1 (0.02s)
Creating working copy for https://github.com/JohnSundell/Xgen.git
Working copy of https://github.com/JohnSundell/Xgen.git resolved at 2.1.0
warning: /Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/repositories/ShellOut-b8493064 is not valid git repository for 'https://github.com/JohnSundell/ShellOut.git', will fetch again.
Fetching https://github.com/JohnSundell/ShellOut.git from cache
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warning: /Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/repositories/ShellOut-b8493064 is not valid git repository for 'https://github.com/JohnSundell/ShellOut.git', will fetch again.
Fetching https://github.com/JohnSundell/ShellOut.git from cache
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Creating working copy for https://github.com/JohnSundell/ShellOut.git
Working copy of https://github.com/JohnSundell/ShellOut.git resolved at 2.1.0
Creating working copy for https://github.com/vapor/websocket.git
Working copy of https://github.com/vapor/websocket.git resolved at 1.0.1
Creating working copy for https://github.com/vapor/validation.git
Working copy of https://github.com/vapor/validation.git resolved at 2.1.0
Creating working copy for https://github.com/vapor/multipart.git
Working copy of https://github.com/vapor/multipart.git resolved at 3.0.2
Creating working copy for https://github.com/JohnSundell/Files.git
Working copy of https://github.com/JohnSundell/Files.git resolved at 2.2.1
Creating working copy for https://github.com/vapor/core.git
Working copy of https://github.com/vapor/core.git resolved at 3.4.2
Creating working copy for https://github.com/vapor/vapor.git
Working copy of https://github.com/vapor/vapor.git resolved at 3.0.8
Creating working copy for https://github.com/vapor/service.git
Working copy of https://github.com/vapor/service.git resolved at 1.0.2
Creating working copy for https://github.com/vapor/console.git
Working copy of https://github.com/vapor/console.git resolved at 3.1.1
Creating working copy for https://github.com/apple/swift-nio-ssl-support.git
Working copy of https://github.com/apple/swift-nio-ssl-support.git resolved at 1.0.0
Creating working copy for https://github.com/vapor/crypto.git
Working copy of https://github.com/vapor/crypto.git resolved at 3.2.0
Creating working copy for https://github.com/vapor/database-kit.git
Working copy of https://github.com/vapor/database-kit.git resolved at 1.3.1
Creating working copy for https://github.com/vapor/routing.git
Working copy of https://github.com/vapor/routing.git resolved at 3.0.1
Creating working copy for https://github.com/vapor/url-encoded-form.git
Working copy of https://github.com/vapor/url-encoded-form.git resolved at 1.0.4
Creating working copy for https://github.com/apple/swift-nio-ssl.git
Working copy of https://github.com/apple/swift-nio-ssl.git resolved at 1.2.0
Creating working copy for https://github.com/vapor/template-kit.git
Working copy of https://github.com/vapor/template-kit.git resolved at 1.1.0
Creating working copy for https://github.com/Ether-CLI/Manifest.git
Working copy of https://github.com/Ether-CLI/Manifest.git resolved at 0.4.6
Creating working copy for https://github.com/apple/swift-nio.git
Working copy of https://github.com/apple/swift-nio.git resolved at 1.9.4
Creating working copy for https://github.com/vapor/http.git
Working copy of https://github.com/vapor/http.git resolved at 3.1.2
Creating working copy for https://github.com/apple/swift-nio-zlib-support.git
Working copy of https://github.com/apple/swift-nio-zlib-support.git resolved at 1.0.0
warning: 'swift-nio-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...
[0/4] Write swift-version--423B1241ED78D482.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[2/12] Compiling NIO AddressedEnvelope.swift
[3/12] Compiling NIO Bootstrap.swift
[4/12] Compiling NIO ByteBuffer-aux.swift
[5/12] Emitting module NIO
/Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:732:1: error: type 'StaticString' does not conform to protocol 'Collection'
extension StaticString: Collection {
^
/Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:732:1: 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 }
    ^
[6/12] Compiling NIO BaseSocketChannel.swift
[7/12] Compiling NIO BaseSocket.swift
[8/12] Compiling NIO BlockingIOThreadPool.swift
[9/12] Compiling NIO ByteBuffer-core.swift
/Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:732:1: error: type 'StaticString' does not conform to protocol 'Collection'
extension StaticString: Collection {
^
/Users/builder/builds/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/ByteBuffer-core.swift:732:1: 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 }
    ^
[10/24] Compiling NIO DeadChannel.swift
[11/24] Compiling NIO Embedded.swift
[12/24] Compiling NIO PendingDatagramWritesManager.swift
[13/26] Compiling NIO TypeAssistedChannelHandler.swift
[14/26] Compiling NIO NIOAny.swift
[15/26] Compiling NIO SocketChannel.swift
[16/27] Compiling NIO ChannelHandlers.swift
[17/27] Compiling NIO ChannelInvoker.swift
[18/27] Compiling NIO Channel.swift
[19/27] Compiling NIO ChannelHandler.swift
[20/27] Compiling NIO ChannelPipeline.swift
[21/27] Compiling NIO Codec.swift
[22/40] Compiling NIO HappyEyeballs.swift
[23/42] Compiling NIO IntegerTypes.swift
[24/42] Compiling NIO Interfaces.swift
[25/42] Compiling NIO Heap.swift
[26/42] Compiling NIO IO.swift
[27/42] Compiling NIO IOData.swift
[28/42] Compiling NIO MarkedCircularBuffer.swift
[29/42] Compiling NIO NonBlockingFileIO.swift
[30/42] Compiling NIO EventLoopFuture.swift
[31/42] Compiling NIO FileRegion.swift
[32/42] Compiling NIO GetaddrinfoResolver.swift
[33/48] Compiling NIO EventLoop.swift
[34/49] Compiling NIO PendingWritesManager.swift
[35/49] Compiling NIO PriorityQueue.swift
[36/50] Compiling NIO Selector.swift
[37/51] Compiling NIO FileHandle.swift
[38/51] Compiling NIO ServerSocket.swift
[39/51] Compiling NIO ByteBuffer-int.swift
[40/51] Compiling NIO ByteBuffer-views.swift
[41/51] Compiling NIO CircularBuffer.swift
[42/51] Compiling NIO CompositeError.swift
[43/51] Compiling NIO Socket.swift
[44/51] Compiling NIO Utilities.swift
[45/51] Compiling NIO RecvByteBufferAllocator.swift
[46/51] Compiling NIO SocketAddresses.swift
[47/51] Compiling NIO System.swift
[48/51] Compiling NIO Thread.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