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Build Information

Failed to build swift-osc-io-nio, reference main (c63bf1), with Swift 6.0 for macOS (SPM) on 1 May 2026 11:49:16 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.2.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
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Builder version: 4.70.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/orchetect/swift-osc-io-nio.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/orchetect/swift-osc-io-nio
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at c63bf11 Set swift-osc-core dependency to 1.0.0
Cloned https://github.com/orchetect/swift-osc-io-nio.git
Revision (git rev-parse @):
c63bf11c93f56f98e701d5f5362d5b416e20c210
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/orchetect/swift-osc-io-nio.git at main
========================================
Build
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Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/orchetect/swift-osc-io-nio.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.2.0.app xcrun swift build --arch arm64
Building for debugging...
[0/28] Write sources
[8/28] Copying PrivacyInfo.xcprivacy
[8/28] Write sources
[15/28] Compiling CNIOWASI CNIOWASI.c
[16/28] Compiling CNIOWindows WSAStartup.c
[17/28] Compiling CNIOWindows shim.c
[18/28] Write sources
[19/28] Compiling CNIOLinux liburing_shims.c
[19/28] Compiling CNIOOpenBSD shim.c
[21/28] Compiling CNIOLinux shim.c
[22/28] Write swift-version-5BDAB9E9C0126B9D.txt
[23/28] Compiling _AtomicsShims.c
[24/28] Compiling CNIOPosix event_loop_id.c
[25/102] Compiling CNIODarwin shim.c
[27/102] Compiling Atomics DoubleWord.swift
[28/102] Compiling Atomics ManagedAtomic.swift
[29/102] Emitting module InternalCollectionsUtilities
[30/103] Compiling Atomics PointerConformances.swift
[31/103] Compiling Atomics Primitives.native.swift
[32/103] Compiling Atomics AtomicInteger.swift
[33/103] Compiling Atomics AtomicOptionalWrappable.swift
[34/103] Compiling InternalCollectionsUtilities _UniqueCollection.swift
[35/103] Compiling Atomics AtomicReference.swift
[36/103] Compiling Atomics AtomicStorage.swift
[37/103] Compiling Atomics AtomicBool.swift
[38/103] Compiling Atomics IntegerConformances.swift
[39/103] Compiling Atomics OptionalRawRepresentable.swift
[40/103] Compiling Atomics RawRepresentable.swift
[41/103] Emitting module _NIOBase64
[42/103] Compiling _NIOBase64 Base64.swift
[43/103] Compiling Atomics UnsafeAtomicLazyReference.swift
[44/103] Compiling Atomics IntegerOperations.swift
[45/103] Compiling Atomics ManagedAtomicLazyReference.swift
[46/103] Compiling Atomics UnsafeAtomic.swift
[47/103] Compiling Atomics AtomicValue.swift
[48/103] Compiling Atomics AtomicMemoryOrderings.swift
[63/138] Compiling ContainersPreview Producer+Filter.swift
[64/138] Compiling ContainersPreview Producer+Map.swift
[65/138] Compiling ContainersPreview Producer+Reduce.swift
[66/138] Compiling ContainersPreview ContainerIterator.swift
[67/138] Compiling ContainersPreview DynamicContainer.swift
[68/138] Compiling ContainersPreview MutableContainer.swift
[69/138] Compiling ContainersPreview PermutableContainer.swift
[70/138] Compiling ContainersPreview OutputSpan+Extras.swift
[71/138] Compiling ContainersPreview TemporaryAllocation.swift
[72/138] Compiling ContainersPreview BorrowingIteratorProtocol+Copy.swift
[73/138] Compiling ContainersPreview BorrowingIteratorProtocol+ElementsEqual.swift
[74/138] Compiling ContainersPreview BorrowingIteratorProtocol+Filter.swift
[75/138] Compiling ContainersPreview BorrowingIteratorProtocol+Map.swift
[76/138] Compiling ContainersPreview BorrowingIteratorProtocol+Reduce.swift
[77/138] Compiling ContainersPreview BorrowingIteratorProtocol+SpanwiseZip.swift
[78/141] Compiling ContainersPreview Producer.swift
[79/141] Compiling ContainersPreview Borrow.swift
[80/141] Compiling ContainersPreview Box.swift
[81/141] Compiling Atomics Unmanaged extensions.swift
[82/141] Compiling ContainersPreview Drain+Reduce.swift
[83/141] Compiling ContainersPreview Drain.swift
[84/141] Compiling ContainersPreview Producer+Collect.swift
[85/141] Compiling ContainersPreview BidirectionalContainer.swift
[86/141] Compiling ContainersPreview Container+Filter.swift
[87/141] Compiling ContainersPreview Container+SpanwiseZip.swift
[88/141] Compiling ContainersPreview Container.swift
[89/141] Compiling ContainersPreview RandomAccessContainer.swift
[90/141] Compiling ContainersPreview RangeExpression2.swift
[91/141] Compiling ContainersPreview RangeReplaceableContainer.swift
[92/141] Compiling ContainersPreview Drain+Map.swift
[93/141] Compiling ContainersPreview BorrowingIteratorProtocol.swift
[94/141] Compiling ContainersPreview BorrowingSequence+Standard Conformances.swift
[95/141] Compiling ContainersPreview BorrowingSequence+Utilities.swift
[96/141] Compiling ContainersPreview BorrowingSequence.swift
[97/141] Emitting module ContainersPreview
[98/141] Compiling ContainersPreview Inout.swift
[99/141] Compiling ContainersPreview InputSpan.swift
[100/141] Compiling ContainersPreview Shared.swift
[103/141] Emitting module Atomics
[106/141] Compiling _NIODataStructures Heap.swift
[107/141] Emitting module _NIODataStructures
[108/141] Compiling _NIODataStructures PriorityQueue.swift
[109/141] Compiling _NIODataStructures _TinyArray.swift
[110/182] Compiling DequeModule UniqueDeque+Insertions.swift
[111/182] Compiling DequeModule UniqueDeque+Prepend.swift
[112/182] Compiling DequeModule UniqueDeque+Removals.swift
[113/182] Compiling DequeModule UniqueDeque+Replacements.swift
[114/182] Compiling DequeModule UniqueDeque+Append.swift
[115/182] Compiling DequeModule UniqueDeque+Consumption.swift
[116/182] Compiling DequeModule UniqueDeque+Container.swift
[117/182] Compiling DequeModule UniqueDeque+Descriptions.swift
[118/186] Compiling DequeModule UniqueDeque+Equatable.swift
[119/186] Compiling DequeModule UniqueDeque+Experimental.swift
[120/186] Compiling DequeModule UniqueDeque+Hashable.swift
[121/186] Compiling DequeModule UniqueDeque+Initializers.swift
[122/186] Compiling DequeModule RigidDeque+Removals.swift
[123/186] Compiling DequeModule RigidDeque+Replacements.swift
[124/186] Compiling DequeModule RigidDeque+Testing.swift
[125/186] Compiling DequeModule RigidDeque.swift
[126/186] Compiling DequeModule RigidDeque+Hashable.swift
[127/186] Compiling DequeModule RigidDeque+Initializers.swift
[128/186] Compiling DequeModule RigidDeque+Insertions.swift
[129/186] Compiling DequeModule RigidDeque+Prepend.swift
[130/186] Compiling DequeModule RigidDeque+Consumption.swift
[131/186] Compiling DequeModule RigidDeque+Container.swift
[132/186] Compiling DequeModule RigidDeque+Descriptions.swift
[133/186] Compiling DequeModule RigidDeque+Equatable.swift
[134/186] Compiling DequeModule RigidDeque+Experimental.swift
[135/186] Compiling DequeModule Deque+ExpressibleByArrayLiteral.swift
[136/186] Compiling DequeModule Deque+Extras.swift
[137/186] Compiling DequeModule Deque+Hashable.swift
[138/186] Compiling DequeModule Deque+Testing.swift
[139/186] Compiling DequeModule Deque._Storage.swift
[140/186] Compiling DequeModule Deque._UnsafeHandle.swift
[141/186] Compiling DequeModule Deque.swift
[142/186] Compiling DequeModule _DequeBuffer.swift
[143/186] Compiling DequeModule _DequeBufferHeader.swift
[144/186] Compiling DequeModule RigidDeque+Append.swift
[145/186] Compiling DequeModule Deque+Codable.swift
[146/186] Compiling DequeModule Deque+Collection.swift
[147/186] Compiling DequeModule Deque+CustomReflectable.swift
[148/186] Compiling DequeModule Deque+Descriptions.swift
[149/186] Compiling DequeModule Deque+Equatable.swift
[149/186] Compiling c-nioatomics.c
[150/186] Compiling c-atomics.c
[152/186] Emitting module DequeModule
[153/186] Compiling DequeModule UniqueDeque.swift
[154/186] Compiling DequeModule _DequeSlot.swift
[155/186] Compiling DequeModule _UnsafeDequeHandle.swift
[156/186] Compiling DequeModule _UnsafeDequeSegments.swift
[157/193] Compiling NIOConcurrencyHelpers NIOLockedValueBox.swift
[158/193] Emitting module NIOConcurrencyHelpers
[159/193] Compiling NIOConcurrencyHelpers NIOLock.swift
[160/193] Compiling NIOConcurrencyHelpers NIOAtomic.swift
[161/193] Compiling NIOConcurrencyHelpers lock.swift
[162/193] Compiling NIOConcurrencyHelpers NIOThreadPoolWorkAvailable.swift
[163/193] Compiling NIOConcurrencyHelpers atomics.swift
[164/258] Compiling NIOCore EventLoopFuture+Deprecated.swift
[165/258] Compiling NIOCore EventLoopFuture+WithEventLoop.swift
[166/260] Compiling NIOCore Interfaces.swift
[167/260] Compiling NIOCore Linux.swift
[168/260] Compiling NIOCore AddressedEnvelope.swift
[169/260] Compiling NIOCore IPProtocol.swift
[170/260] Compiling NIOCore IntegerBitPacking.swift
[171/260] Compiling NIOCore IntegerTypes.swift
[172/260] Compiling SwiftASCII String Extensions.swift
[173/260] Compiling SwiftASCII CharacterSet Extensions.swift
[174/260] Compiling NIOCore AsyncAwaitSupport.swift
[175/260] Compiling NIOCore AsyncChannel.swift
[176/260] Compiling NIOCore AsyncChannelHandler.swift
[177/260] Compiling NIOCore NIOAsyncSequenceProducer.swift
[178/260] Compiling NIOCore NIOAsyncSequenceProducerStrategies.swift
[179/260] Compiling NIOCore AsyncChannelInboundStream.swift
[180/260] Compiling NIOCore AsyncChannelOutboundWriter.swift
[181/260] Compiling NIOCore Channel.swift
[182/260] Compiling NIOCore IO.swift
[183/260] Compiling NIOCore IOData.swift
[184/260] Compiling NIOCore ByteBuffer-multi-int.swift
[185/260] Compiling NIOCore ByteBuffer-quicBinaryEncodingStrategy.swift
[186/260] Compiling NIOCore ByteBuffer-views.swift
[187/260] Emitting module SwiftDataParsing
[188/260] Compiling NIOCore ByteBuffer-hex.swift
[189/260] Compiling NIOCore ByteBuffer-int.swift
[190/260] Compiling NIOCore ByteBuffer-lengthPrefix.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[191/260] Compiling SwiftASCII ASCIICharacter.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-ascii/Sources/SwiftASCII/ASCIICharacter.swift:12:1: error: 'nonisolated' modifier cannot be applied to this declaration
 10 | /// Offers a validating `init?(exactly: Character)` failable initializer and a `init(_ lossy: Character)`
 11 | /// conversion initializer.
 12 | nonisolated
    | `- error: 'nonisolated' modifier cannot be applied to this declaration
 13 | public struct ASCIICharacter {
 14 |     /// The ASCII character returned as a `Character`
[192/260] Emitting module SwiftASCII
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-ascii/Sources/SwiftASCII/ASCIICharacter.swift:12:1: error: 'nonisolated' modifier cannot be applied to this declaration
 10 | /// Offers a validating `init?(exactly: Character)` failable initializer and a `init(_ lossy: Character)`
 11 | /// conversion initializer.
 12 | nonisolated
    | `- error: 'nonisolated' modifier cannot be applied to this declaration
 13 | public struct ASCIICharacter {
 14 |     /// The ASCII character returned as a `Character`
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-ascii/Sources/SwiftASCII/ASCIIString.swift:12:1: error: 'nonisolated' modifier cannot be applied to this declaration
 10 | /// Offers a validating `init?(exactly: String)` failable initializer and a `init(_ lossy: String)`
 11 | /// conversion initializer.
 12 | nonisolated
    | `- error: 'nonisolated' modifier cannot be applied to this declaration
 13 | public struct ASCIIString {
 14 |     /// The ASCII string returned as a `String`
[193/260] Compiling SwiftASCII ASCIIString.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-ascii/Sources/SwiftASCII/ASCIIString.swift:12:1: error: 'nonisolated' modifier cannot be applied to this declaration
 10 | /// Offers a validating `init?(exactly: String)` failable initializer and a `init(_ lossy: String)`
 11 | /// conversion initializer.
 12 | nonisolated
    | `- error: 'nonisolated' modifier cannot be applied to this declaration
 13 | public struct ASCIIString {
 14 |     /// The ASCII string returned as a `String`
Fetching https://github.com/orchetect/swift-osc-core
Fetching https://github.com/apple/swift-nio
[1/495] Fetching swift-osc-core
[496/83725] Fetching swift-osc-core, swift-nio
Fetched https://github.com/orchetect/swift-osc-core from cache (5.90s)
Fetched https://github.com/apple/swift-nio from cache (5.90s)
Computing version for https://github.com/orchetect/swift-osc-core
Computed https://github.com/orchetect/swift-osc-core at 1.0.0 (0.61s)
Fetching https://github.com/orchetect/swift-ascii
Fetching https://github.com/orchetect/swift-data-parsing
[1/526] Fetching swift-ascii
[12/1332] Fetching swift-ascii, swift-data-parsing
Fetched https://github.com/orchetect/swift-data-parsing from cache (0.81s)
Fetched https://github.com/orchetect/swift-ascii from cache (0.81s)
Computing version for https://github.com/orchetect/swift-data-parsing
Computed https://github.com/orchetect/swift-data-parsing at 0.1.2 (0.61s)
Computing version for https://github.com/orchetect/swift-ascii
Computed https://github.com/orchetect/swift-ascii at 1.3.1 (2.54s)
Computing version for https://github.com/apple/swift-nio
Computed https://github.com/apple/swift-nio at 2.97.1 (0.61s)
Fetching https://github.com/apple/swift-collections.git
Fetching https://github.com/apple/swift-atomics.git
Fetching https://github.com/apple/swift-system.git
[1/1820] Fetching swift-atomics
[365/7421] Fetching swift-atomics, swift-system
[385/31315] Fetching swift-atomics, swift-system, swift-collections
Fetched https://github.com/apple/swift-collections.git from cache (2.01s)
Fetched https://github.com/apple/swift-system.git from cache (2.01s)
Fetched https://github.com/apple/swift-atomics.git from cache (2.01s)
Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 1.3.0 (0.46s)
Computing version for https://github.com/apple/swift-system.git
Computed https://github.com/apple/swift-system.git at 1.6.4 (0.49s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.4.1 (0.57s)
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.4.1
Creating working copy for https://github.com/orchetect/swift-osc-core
Working copy of https://github.com/orchetect/swift-osc-core resolved at 1.0.0
Creating working copy for https://github.com/apple/swift-atomics.git
Working copy of https://github.com/apple/swift-atomics.git resolved at 1.3.0
Creating working copy for https://github.com/apple/swift-system.git
Working copy of https://github.com/apple/swift-system.git resolved at 1.6.4
Creating working copy for https://github.com/orchetect/swift-data-parsing
Working copy of https://github.com/orchetect/swift-data-parsing resolved at 0.1.2
Creating working copy for https://github.com/apple/swift-nio
Working copy of https://github.com/apple/swift-nio resolved at 2.97.1
Creating working copy for https://github.com/orchetect/swift-ascii
Working copy of https://github.com/orchetect/swift-ascii resolved at 1.3.1
BUILD FAILURE 6.0 macosSpm