Swift Package IndexBuild Information
Failed to build swift-nio-extras, reference 1.34.0 (5a4871), with Swift 6.3 for Wasm on 19 Apr 2026 20:58:20 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1Build Log
========================================
RunAll
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Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/apple/swift-nio-extras.git
Reference: 1.34.0
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: git branch -m <name>
From https://github.com/apple/swift-nio-extras
* tag 1.34.0 -> FETCH_HEAD
HEAD is now at 5a48717 Drop Swift 6.0 (#310)
Cloned https://github.com/apple/swift-nio-extras.git
Revision (git rev-parse @):
5a48717e29f62cb8326d6d42e46b562ca93847a6
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/apple/swift-nio-extras.git at 1.34.0
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/apple/swift-nio-extras.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1
wasm-6.3-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:d69f4e7582c319245442d62a08b2d7c7fd5a0c0c69f5d2ef11d1530cd8d3329b
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest
Fetching https://github.com/swift-server/swift-service-lifecycle.git
Fetching https://github.com/apple/swift-log.git
Fetching https://github.com/apple/swift-asn1.git
Fetching https://github.com/apple/swift-async-algorithms.git
Fetching https://github.com/apple/swift-crypto.git
Fetching https://github.com/apple/swift-nio-ssl.git
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[10487/48461] Fetching swift-service-lifecycle, swift-async-algorithms, swift-log, swift-crypto, swift-nio-ssl
[12787/50264] Fetching swift-service-lifecycle, swift-async-algorithms, swift-log, swift-crypto, swift-nio-ssl, swift-asn1
Fetched https://github.com/swift-server/swift-service-lifecycle.git from cache (0.49s)
[10387/47519] Fetching swift-async-algorithms, swift-log, swift-crypto, swift-nio-ssl, swift-asn1
Fetching https://github.com/apple/swift-certificates.git
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Fetched https://github.com/apple/swift-certificates.git from cache (0.86s)
[26777/47519] Fetching swift-async-algorithms, swift-log, swift-crypto, swift-nio-ssl, swift-asn1
Fetching https://github.com/apple/swift-algorithms.git
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Fetched https://github.com/apple/swift-algorithms.git from cache (0.81s)
Fetching https://github.com/apple/swift-http-types.git
[40553/47519] Fetching swift-async-algorithms, swift-log, swift-crypto, swift-nio-ssl, swift-asn1
[46127/48562] Fetching swift-async-algorithms, swift-log, swift-crypto, swift-nio-ssl, swift-asn1, swift-http-types
Fetched https://github.com/apple/swift-http-types.git from cache (0.56s)
Fetching https://github.com/apple/swift-http-structured-headers.git
[1/1242] Fetching swift-http-structured-headers
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Fetching https://github.com/apple/swift-nio-http2.git
Fetched https://github.com/apple/swift-nio-ssl.git from cache (3.60s)
Fetching https://github.com/apple/swift-atomics.git
Fetched https://github.com/apple/swift-asn1.git from cache (3.81s)
Fetched https://github.com/apple/swift-log.git from cache (3.81s)
Fetched https://github.com/apple/swift-async-algorithms.git from cache (3.81s)
Fetching https://github.com/apple/swift-nio.git
Fetched https://github.com/apple/swift-crypto.git from cache (3.92s)
[1/12108] Fetching swift-nio-http2
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Fetched https://github.com/apple/swift-atomics.git from cache (0.83s)
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[8840/95280] Fetching swift-nio-http2, swift-nio
Fetched https://github.com/apple/swift-nio-http2.git from cache (1.98s)
[29942/83172] Fetching swift-nio
Fetched https://github.com/apple/swift-nio.git from cache (7.83s)
Computing version for https://github.com/apple/swift-algorithms.git
Computed https://github.com/apple/swift-algorithms.git at 1.2.1 (14.09s)
Fetching https://github.com/apple/swift-numerics.git
[1/6416] Fetching swift-numerics
Fetched https://github.com/apple/swift-numerics.git from cache (0.44s)
Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 1.3.0 (0.82s)
Computing version for https://github.com/apple/swift-http-types.git
Computed https://github.com/apple/swift-http-types.git at 1.5.1 (0.45s)
Computing version for https://github.com/swift-server/swift-service-lifecycle.git
Computed https://github.com/swift-server/swift-service-lifecycle.git at 2.11.0 (0.45s)
Computing version for https://github.com/apple/swift-async-algorithms.git
Computed https://github.com/apple/swift-async-algorithms.git at 1.1.3 (0.47s)
Fetching https://github.com/apple/swift-collections.git
[1/23569] Fetching swift-collections
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Computing version for https://github.com/apple/swift-nio-ssl.git
Computed https://github.com/apple/swift-nio-ssl.git at 2.37.0 (1.97s)
Computing version for https://github.com/apple/swift-numerics.git
Computed https://github.com/apple/swift-numerics.git at 1.1.1 (0.44s)
Computing version for https://github.com/apple/swift-asn1.git
Computed https://github.com/apple/swift-asn1.git at 1.7.0 (2.47s)
Computing version for https://github.com/apple/swift-nio.git
Computed https://github.com/apple/swift-nio.git at 2.98.0 (0.85s)
Fetching https://github.com/apple/swift-system.git
[1/5601] Fetching swift-system
Fetched https://github.com/apple/swift-system.git from cache (0.75s)
Computing version for https://github.com/apple/swift-certificates.git
Computed https://github.com/apple/swift-certificates.git at 1.19.0 (1.84s)
Computing version for https://github.com/apple/swift-http-structured-headers.git
Computed https://github.com/apple/swift-http-structured-headers.git at 1.7.0 (0.75s)
Computing version for https://github.com/apple/swift-system.git
Computed https://github.com/apple/swift-system.git at 1.6.4 (0.73s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.12.0 (0.87s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.4.1 (1.01s)
Computing version for https://github.com/apple/swift-crypto.git
Computed https://github.com/apple/swift-crypto.git at 4.4.0 (0.96s)
Computing version for https://github.com/apple/swift-nio-http2.git
Computed https://github.com/apple/swift-nio-http2.git at 1.43.0 (0.64s)
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-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.4.1
Creating working copy for https://github.com/apple/swift-nio-http2.git
Working copy of https://github.com/apple/swift-nio-http2.git resolved at 1.43.0
Creating working copy for https://github.com/apple/swift-algorithms.git
Working copy of https://github.com/apple/swift-algorithms.git resolved at 1.2.1
Creating working copy for https://github.com/apple/swift-asn1.git
Working copy of https://github.com/apple/swift-asn1.git resolved at 1.7.0
Creating working copy for https://github.com/apple/swift-http-structured-headers.git
Working copy of https://github.com/apple/swift-http-structured-headers.git resolved at 1.7.0
Creating working copy for https://github.com/apple/swift-log.git
Working copy of https://github.com/apple/swift-log.git resolved at 1.12.0
Creating working copy for https://github.com/apple/swift-certificates.git
Working copy of https://github.com/apple/swift-certificates.git resolved at 1.19.0
Creating working copy for https://github.com/apple/swift-async-algorithms.git
Working copy of https://github.com/apple/swift-async-algorithms.git resolved at 1.1.3
Creating working copy for https://github.com/apple/swift-nio.git
Working copy of https://github.com/apple/swift-nio.git resolved at 2.98.0
Creating working copy for https://github.com/swift-server/swift-service-lifecycle.git
Working copy of https://github.com/swift-server/swift-service-lifecycle.git resolved at 2.11.0
Creating working copy for https://github.com/apple/swift-http-types.git
Working copy of https://github.com/apple/swift-http-types.git resolved at 1.5.1
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 2.37.0
Creating working copy for https://github.com/apple/swift-crypto.git
Working copy of https://github.com/apple/swift-crypto.git resolved at 4.4.0
Creating working copy for https://github.com/apple/swift-numerics.git
Working copy of https://github.com/apple/swift-numerics.git resolved at 1.1.1
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
Building for debugging...
[0/885] Compiling CNIOExtrasZlib inffast.c
[1/885] Compiling CNIOExtrasZlib zutil.c
[2/885] Compiling CNIOExtrasZlib inftrees.c
[3/885] Compiling CNIOExtrasZlib crc32.c
[4/885] Write sources
[8/885] Compiling CNIOExtrasZlib adler32.c
[9/885] Write sources
[11/885] Compiling _NumericsShims _NumericsShims.c
[12/885] Write sources
[18/885] Compiling _AtomicsShims.c
[19/885] Write sources
[22/885] Compiling CNIOExtrasZlib trees.c
[23/885] Write sources
[28/885] Write swift-version-24593BA9C3E375BF.txt
[30/885] Write sources
[34/885] Compiling CNIOExtrasZlib inflate.c
[35/885] Compiling CNIOExtrasZlib deflate.c
[36/910] Write sources
[54/953] Emitting module Logging
[55/953] Emitting module InternalCollectionsUtilities
[56/955] Compiling InternalCollectionsUtilities _SortedCollection.swift
[57/955] Compiling InternalCollectionsUtilities _UniqueCollection.swift
[58/955] Compiling RealModule RealFunctions.swift
[59/956] Compiling RawStructuredFieldValues Errors.swift
/host/spi-builder-workspace/.build/checkouts/swift-http-structured-headers/Sources/RawStructuredFieldValues/PseudoDecimal.swift:25:8: error: Unsupported OS
23 | import WinSDK
24 | #else
25 | #error("Unsupported OS")
| `- error: Unsupported OS
26 | #endif
27 |
[60/956] Compiling RawStructuredFieldValues OrderedMap.swift
/host/spi-builder-workspace/.build/checkouts/swift-http-structured-headers/Sources/RawStructuredFieldValues/PseudoDecimal.swift:25:8: error: Unsupported OS
23 | import WinSDK
24 | #else
25 | #error("Unsupported OS")
| `- error: Unsupported OS
26 | #endif
27 |
[61/956] Compiling InternalCollectionsUtilities LifetimeOverride.swift
[62/956] Compiling InternalCollectionsUtilities RandomAccessCollection+Offsets.swift
[63/956] Compiling InternalCollectionsUtilities Span+Extras.swift
[64/956] Compiling RealModule RelaxedArithmetic.swift
[65/956] Compiling RawStructuredFieldValues FieldSerializer.swift
/host/spi-builder-workspace/.build/checkouts/swift-http-structured-headers/Sources/RawStructuredFieldValues/PseudoDecimal.swift:25:8: error: Unsupported OS
23 | import WinSDK
24 | #else
25 | #error("Unsupported OS")
| `- error: Unsupported OS
26 | #endif
27 |
[66/956] Compiling RealModule Float80+Real.swift
[67/956] Compiling Logging LogHandler.swift
[68/956] Compiling InternalCollectionsUtilities Debugging.swift
[69/956] Compiling InternalCollectionsUtilities Descriptions.swift
[70/956] Compiling InternalCollectionsUtilities FixedWidthInteger+roundUpToPowerOfTwo.swift
[71/956] Compiling RawStructuredFieldValues PseudoDecimal.swift
/host/spi-builder-workspace/.build/checkouts/swift-http-structured-headers/Sources/RawStructuredFieldValues/PseudoDecimal.swift:25:8: error: Unsupported OS
23 | import WinSDK
24 | #else
25 | #error("Unsupported OS")
| `- error: Unsupported OS
26 | #endif
27 |
/host/spi-builder-workspace/.build/checkouts/swift-http-structured-headers/Sources/RawStructuredFieldValues/PseudoDecimal.swift:229:49: error: cannot find 'pow' in scope
227 | extension Double {
228 | public init(_ pseudoDecimal: PseudoDecimal) {
229 | self = Double(pseudoDecimal.mantissa) * pow(10, Double(pseudoDecimal.exponent))
| `- error: cannot find 'pow' in scope
230 | }
231 | }
[72/956] Compiling Logging LogEvent.swift
[73/956] Compiling RawStructuredFieldValues ComponentTypes.swift
/host/spi-builder-workspace/.build/checkouts/swift-http-structured-headers/Sources/RawStructuredFieldValues/PseudoDecimal.swift:25:8: error: Unsupported OS
23 | import WinSDK
24 | #else
25 | #error("Unsupported OS")
| `- error: Unsupported OS
26 | #endif
27 |
[74/956] Compiling RawStructuredFieldValues FieldParser.swift
/host/spi-builder-workspace/.build/checkouts/swift-http-structured-headers/Sources/RawStructuredFieldValues/PseudoDecimal.swift:25:8: error: Unsupported OS
23 | import WinSDK
24 | #else
25 | #error("Unsupported OS")
| `- error: Unsupported OS
26 | #endif
27 |
error: emit-module command failed with exit code 1 (use -v to see invocation)
[75/956] Emitting module RawStructuredFieldValues
/host/spi-builder-workspace/.build/checkouts/swift-http-structured-headers/Sources/RawStructuredFieldValues/PseudoDecimal.swift:25:8: error: Unsupported OS
23 | import WinSDK
24 | #else
25 | #error("Unsupported OS")
| `- error: Unsupported OS
26 | #endif
27 |
[80/956] Compiling InternalCollectionsUtilities _UnsafeBitSet+_Word.swift
[81/956] Compiling InternalCollectionsUtilities _UnsafeBitSet.swift
[84/956] Compiling InternalCollectionsUtilities Integer rank.swift
[85/956] Compiling InternalCollectionsUtilities String+Padding.swift
[86/956] Compiling InternalCollectionsUtilities _UnsafeBitSet+Index.swift
[87/956] Compiling InternalCollectionsUtilities UnsafeMutableRawBufferPointer+Extras.swift
[88/956] Compiling InternalCollectionsUtilities UInt+first and last set bit.swift
[89/956] Compiling InternalCollectionsUtilities UInt+reversed.swift
[97/958] Compiling InternalCollectionsUtilities UnsafeBufferPointer+Extras.swift
[98/958] Compiling InternalCollectionsUtilities UnsafeMutableBufferPointer+Extras.swift
[100/958] Compiling SwiftASN1 DER.swift
[101/958] Compiling RawStructuredFieldValues ASCII.swift
/host/spi-builder-workspace/.build/checkouts/swift-http-structured-headers/Sources/RawStructuredFieldValues/PseudoDecimal.swift:25:8: error: Unsupported OS
23 | import WinSDK
24 | #else
25 | #error("Unsupported OS")
| `- error: Unsupported OS
26 | #endif
27 |
[102/958] Emitting module _NIODataStructures
error: cancelled
[105/958] Emitting module RealModule
BUILD FAILURE 6.3 wasm