The Swift Package Index logo.Swift Package Index

Build Information

Failed to build swift-nio-extras, reference main (5a4871), with Swift 6.3 for Wasm on 19 Apr 2026 20:59:37 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/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

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/apple/swift-nio-extras.git
Reference: main
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
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
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 main
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.3
Building package at path:  $PWD
https://github.com/apple/swift-nio-extras.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/host -w "$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/apple/swift-nio-ssl.git
Fetching https://github.com/apple/swift-crypto.git
Fetching https://github.com/apple/swift-asn1.git
Fetching https://github.com/apple/swift-log.git
Fetching https://github.com/apple/swift-async-algorithms.git
Fetching https://github.com/swift-server/swift-service-lifecycle.git
[1/1803] Fetching swift-asn1
[993/4548] Fetching swift-asn1, swift-service-lifecycle
[1823/11183] Fetching swift-asn1, swift-service-lifecycle, swift-log
[5907/28599] Fetching swift-asn1, swift-service-lifecycle, swift-log, swift-crypto
[8946/44017] Fetching swift-asn1, swift-service-lifecycle, swift-log, swift-crypto, swift-nio-ssl
[8947/50264] Fetching swift-asn1, swift-service-lifecycle, swift-log, swift-crypto, swift-nio-ssl, swift-async-algorithms
Fetched https://github.com/apple/swift-asn1.git from cache (4.47s)
[48287/48461] Fetching swift-service-lifecycle, swift-log, swift-crypto, swift-nio-ssl, swift-async-algorithms
Fetched https://github.com/apple/swift-log.git from cache (4.48s)
[41826/41826] Fetching swift-service-lifecycle, swift-crypto, swift-nio-ssl, swift-async-algorithms
Fetching https://github.com/apple/swift-certificates.git
Fetching https://github.com/apple/swift-algorithms.git
Fetched https://github.com/apple/swift-nio-ssl.git from cache (4.60s)
Fetching https://github.com/apple/swift-atomics.git
[1/7151] Fetching swift-certificates
[145/13209] Fetching swift-certificates, swift-algorithms
[866/15029] Fetching swift-certificates, swift-algorithms, swift-atomics
Fetched https://github.com/apple/swift-algorithms.git from cache (1.55s)
Fetching https://github.com/apple/swift-http-structured-headers.git
Fetched https://github.com/apple/swift-atomics.git from cache (1.87s)
Fetched https://github.com/apple/swift-certificates.git from cache (2.06s)
Fetching https://github.com/apple/swift-http-types.git
[1/1242] Fetching swift-http-structured-headers
Fetched https://github.com/apple/swift-async-algorithms.git from cache (6.81s)
Fetched https://github.com/swift-server/swift-service-lifecycle.git from cache (6.81s)
Fetching https://github.com/apple/swift-nio.git
Fetched https://github.com/apple/swift-crypto.git from cache (6.98s)
Fetched https://github.com/apple/swift-http-structured-headers.git from cache (0.95s)
[1/1043] Fetching swift-http-types
Fetching https://github.com/apple/swift-nio-http2.git
Fetched https://github.com/apple/swift-http-types.git from cache (0.75s)
[1/83172] Fetching swift-nio
[2/95280] Fetching swift-nio, swift-nio-http2
Fetched https://github.com/apple/swift-nio-http2.git from cache (2.84s)
[36596/83172] Fetching swift-nio
Fetched https://github.com/apple/swift-nio.git from cache (12.62s)
Computing version for https://github.com/apple/swift-algorithms.git
Computed https://github.com/apple/swift-algorithms.git at 1.2.1 (23.84s)
Fetching https://github.com/apple/swift-numerics.git
[1/6416] Fetching swift-numerics
Fetched https://github.com/apple/swift-numerics.git from cache (0.80s)
Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 1.3.0 (1.59s)
Computing version for https://github.com/apple/swift-http-types.git
Computed https://github.com/apple/swift-http-types.git at 1.5.1 (2.83s)
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 (1.88s)
Computing version for https://github.com/apple/swift-async-algorithms.git
Computed https://github.com/apple/swift-async-algorithms.git at 1.1.3 (1.10s)
Fetching https://github.com/apple/swift-collections.git
[1/23569] Fetching swift-collections
Fetched https://github.com/apple/swift-collections.git from cache (1.71s)
Computing version for https://github.com/apple/swift-nio-ssl.git
Computed https://github.com/apple/swift-nio-ssl.git at 2.37.0 (2.42s)
Computing version for https://github.com/apple/swift-numerics.git
Computed https://github.com/apple/swift-numerics.git at 1.1.1 (0.41s)
Computing version for https://github.com/apple/swift-asn1.git
Computed https://github.com/apple/swift-asn1.git at 1.7.0 (3.01s)
Computing version for https://github.com/apple/swift-nio.git
Computed https://github.com/apple/swift-nio.git at 2.98.0 (1.10s)
Fetching https://github.com/apple/swift-system.git
[1/5601] Fetching swift-system
Fetched https://github.com/apple/swift-system.git from cache (0.45s)
Computing version for https://github.com/apple/swift-certificates.git
Computed https://github.com/apple/swift-certificates.git at 1.19.0 (1.09s)
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 (0.46s)
Computing version for https://github.com/apple/swift-system.git
Computed https://github.com/apple/swift-system.git at 1.6.4 (0.48s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.12.0 (0.44s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.4.1 (0.66s)
Computing version for https://github.com/apple/swift-crypto.git
Computed https://github.com/apple/swift-crypto.git at 4.4.0 (0.69s)
Computing version for https://github.com/apple/swift-nio-http2.git
Computed https://github.com/apple/swift-nio-http2.git at 1.43.0 (4.85s)
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-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-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-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-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-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.git
Working copy of https://github.com/apple/swift-nio.git resolved at 2.98.0
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-system.git
Working copy of https://github.com/apple/swift-system.git resolved at 1.6.4
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-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-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-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-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-numerics.git
Working copy of https://github.com/apple/swift-numerics.git resolved at 1.1.1
Building for debugging...
[0/885] Write sources
[16/885] Compiling _NumericsShims _NumericsShims.c
[17/885] Write sources
[17/885] Compiling _AtomicsShims.c
[21/885] Write sources
[50/885] Compiling CNIOExtrasZlib inffast.c
[51/885] Compiling CNIOExtrasZlib inftrees.c
[52/885] Write swift-version-24593BA9C3E375BF.txt
[53/885] Compiling CXKCPShims shims.c
[54/885] Compiling CNIOWindows shim.c
[54/885] Compiling CNIOExtrasZlib inflate.c
[55/885] Compiling KeccakHash.c
[57/885] Compiling KeccakSponge.c
[58/885] Compiling CNIOWindows WSAStartup.c
[59/885] Compiling SimpleFIPS202.c
[61/935] Emitting module _CertificateInternals
[62/935] Emitting module SwiftASN1
[63/937] Compiling RealModule RealFunctions.swift
[64/938] Compiling SwiftASN1 ArraySliceBigint.swift
[65/938] Compiling SwiftASN1 GeneralizedTime.swift
[66/938] Compiling RealModule Real.swift
[67/938] Compiling _NIODataStructures _TinyArray.swift
[68/938] Compiling _NIODataStructures PriorityQueue.swift
[69/938] 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 |
[70/938] 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 |
[71/938] Compiling RealModule RelaxedArithmetic.swift
[72/938] Emitting module RealModule
[73/938] 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 |
[74/938] 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 |
[75/938] 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 | }
[76/938] Compiling SwiftASN1 ASN1BitString.swift
[77/938] Compiling SwiftASN1 ASN1Boolean.swift
[78/938] Compiling SwiftASN1 ASN1Identifier.swift
[79/938] Compiling SwiftASN1 ASN1Integer.swift
[80/938] Compiling SwiftASN1 ASN1Null.swift
[81/938] Compiling RealModule Float16+Real.swift
[82/938] Compiling RealModule Float80+Real.swift
[83/938] 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 |
error: emit-module command failed with exit code 1 (use -v to see invocation)
[84/938] 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 |
[85/938] 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 |
[86/938] Compiling SwiftASN1 DER.swift
[87/938] Compiling SwiftASN1 Errors.swift
[88/938] Compiling SwiftASN1 ASN1.swift
[89/938] Emitting module Logging
[90/938] Compiling SwiftASN1 BER.swift
[91/938] Compiling SwiftASN1 ASN1Any.swift
[92/938] Compiling Logging Locks.swift
[93/938] Compiling Logging MetadataProvider.swift
[100/938] Emitting module _NIOBase64
[101/938] Compiling _NIOBase64 Base64.swift
[103/940] Compiling Logging LogEvent.swift
[105/940] Compiling _NIODataStructures Heap.swift
[106/940] Emitting module _NIODataStructures
[107/940] Compiling _CertificateInternals _TinyArray.swift
[109/942] Compiling KeccakP-1600-opt64.c
[110/942] Compiling Logging LogHandler.swift
[111/942] Compiling SwiftASN1 ASN1OctetString.swift
[112/942] Compiling SwiftASN1 ASN1Strings.swift
[113/942] Compiling SwiftASN1 TimeUtilities.swift
[114/942] Compiling SwiftASN1 UTCTime.swift
BUILD FAILURE 6.3 wasm