Swift Package IndexBuild Information
Failed to build swift-homomorphic-encryption, reference main (76fdde), with Swift 6.2 for Wasm on 14 Oct 2026 05:23:48 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-54344847-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.2-latest swift build --swift-sdk swift-6.2-RELEASE_wasm 2>&1Build Log
========================================
RunAll
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Builder version: 5.1.2
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/apple/swift-homomorphic-encryption.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-homomorphic-encryption
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 76fddec Fix accumulator overflow in modular matrix multiplication (#336)
Submodule path 'swift-homomorphic-encryption-protobuf': checked out 'f35fa8fa2314a16b9ba166b96db7b1340767ac04'
Submodule 'swift-homomorphic-encryption-protobuf' (https://github.com/apple/swift-homomorphic-encryption-protobuf) registered for path 'swift-homomorphic-encryption-protobuf'
Cloning into '/host/spi-builder-workspace/swift-homomorphic-encryption-protobuf'...
Cloned https://github.com/apple/swift-homomorphic-encryption.git
Revision (git rev-parse @):
76fddecbfb0ccfdf4883028e81fcfda00877605e
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/apple/swift-homomorphic-encryption.git at main
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.2
Building package at path: $PWD
https://github.com/apple/swift-homomorphic-encryption.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344847-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.2-latest swift build --swift-sdk swift-6.2-RELEASE_wasm 2>&1
wasm-6.2-latest: Pulling from saguaro1/spi-images
Digest: sha256:c092ff8dc506a2a30e6239b6992792fd4f7dfaaa46cac3b3c48d8fe35e954282
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.2-latest
Fetching https://github.com/apple/swift-collections.git
Fetching https://github.com/apple/swift-log.git
Fetching https://github.com/apple/swift-protobuf
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Computing version for https://github.com/apple/swift-algorithms
Computed https://github.com/apple/swift-algorithms at 1.2.1 (6.05s)
Computing version for https://github.com/apple/swift-numerics
Computed https://github.com/apple/swift-numerics at 1.1.1 (0.14s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.7.3 (0.23s)
Computing version for https://github.com/apple/swift-async-algorithms.git
Computed https://github.com/apple/swift-async-algorithms.git at 1.1.7 (0.20s)
Computing version for https://github.com/apple/swift-protobuf
Computed https://github.com/apple/swift-protobuf at 1.39.0 (0.18s)
Computing version for https://github.com/apple/swift-argument-parser.git
Computed https://github.com/apple/swift-argument-parser.git at 1.8.2 (0.15s)
Computing version for https://github.com/apple/swift-crypto.git
Computed https://github.com/apple/swift-crypto.git at 3.15.1 (0.42s)
Fetching https://github.com/apple/swift-asn1.git
[1/2041] Fetching swift-asn1
Fetched https://github.com/apple/swift-asn1.git from cache (0.41s)
Computing version for https://github.com/apple/swift-asn1.git
Computed https://github.com/apple/swift-asn1.git at 1.7.3 (0.60s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.16.1 (0.16s)
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 1.1.7
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.7.3
Creating working copy for https://github.com/apple/swift-asn1.git
Working copy of https://github.com/apple/swift-asn1.git resolved at 1.7.3
Creating working copy for https://github.com/apple/swift-protobuf
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Creating working copy for https://github.com/apple/swift-argument-parser.git
Working copy of https://github.com/apple/swift-argument-parser.git resolved at 1.8.2
Creating working copy for https://github.com/apple/swift-numerics
Working copy of https://github.com/apple/swift-numerics resolved at 1.1.1
Creating working copy for https://github.com/apple/swift-crypto.git
Working copy of https://github.com/apple/swift-crypto.git resolved at 3.15.1
Creating working copy for https://github.com/apple/swift-algorithms
Working copy of https://github.com/apple/swift-algorithms resolved at 1.2.1
Creating working copy for https://github.com/apple/swift-log.git
Working copy of https://github.com/apple/swift-log.git resolved at 1.16.1
[1/1] Compiling plugin SwiftProtobufPlugin
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Building for debugging...
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[187/662] Emitting module ModularArithmetic
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[188/662] Compiling ModularArithmetic Modulus.swift
[189/662] Compiling ModularArithmetic Scalar.swift
[191/663] Wrapping AST for RealModule for debugging
[193/678] Emitting module SpanPreview
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[214/814] Compiling MemoryMapping MemoryMapping.swift
/host/spi-builder-workspace/Sources/MemoryMapping/MemoryMapping.swift:72:26: error: cannot find 'mmap' in scope
70 | throw MemoryMappingError.emptyFile
71 | }
72 | guard let addr = mmap(nil, fileSize, PROT_READ, MAP_SHARED, fd, 0),
| `- error: cannot find 'mmap' in scope
73 | addr != MAP_FAILED
74 | else {
/host/spi-builder-workspace/Sources/MemoryMapping/MemoryMapping.swift:72:46: error: cannot find 'PROT_READ' in scope
70 | throw MemoryMappingError.emptyFile
71 | }
72 | guard let addr = mmap(nil, fileSize, PROT_READ, MAP_SHARED, fd, 0),
| `- error: cannot find 'PROT_READ' in scope
73 | addr != MAP_FAILED
74 | else {
/host/spi-builder-workspace/Sources/MemoryMapping/MemoryMapping.swift:72:57: error: cannot find 'MAP_SHARED' in scope
70 | throw MemoryMappingError.emptyFile
71 | }
72 | guard let addr = mmap(nil, fileSize, PROT_READ, MAP_SHARED, fd, 0),
| `- error: cannot find 'MAP_SHARED' in scope
73 | addr != MAP_FAILED
74 | else {
/host/spi-builder-workspace/Sources/MemoryMapping/MemoryMapping.swift:72:31: error: 'nil' requires a contextual type
70 | throw MemoryMappingError.emptyFile
71 | }
72 | guard let addr = mmap(nil, fileSize, PROT_READ, MAP_SHARED, fd, 0),
| `- error: 'nil' requires a contextual type
73 | addr != MAP_FAILED
74 | else {
/host/spi-builder-workspace/Sources/MemoryMapping/MemoryMapping.swift:87:9: error: cannot find 'munmap' in scope
85 | /// - Parameter buffer: The buffer representing the mapped memory region to unmap.
86 | public static func unmap(_ buffer: UnsafeMutableRawBufferPointer) {
87 | munmap(buffer.baseAddress, buffer.count)
| `- error: cannot find 'munmap' in scope
88 | }
89 |
[217/816] Compiling ComplexModule Complex+Numeric.swift
[219/816] Compiling HeapModule Heap+ExpressibleByArrayLiteral.swift
[220/816] Compiling MemoryMapping MMapDictionaryError.swift
[221/816] Compiling ComplexModule Scale.swift
[222/816] Emitting module SwiftASN1
[223/820] Compiling HeapModule Heap+Descriptions.swift
[224/869] Compiling HashTreeCollections _AncestorHashSlots.swift
[225/869] Compiling HashTreeCollections _Bitmap.swift
[226/892] Compiling MemoryMapping MMapDictionary.swift
/host/spi-builder-workspace/Sources/MemoryMapping/MMapDictionary.swift:530:47: error: 'atomic' is unavailable: atomic writing is unavailable in WASI because temporary files are not supported
528 | public func write(to url: URL, loadFactor: Double = MMapDictionary.defaultLoadFactor) throws {
529 | let data = try build(loadFactor: loadFactor)
530 | try data.write(to: url, options: .atomic)
| `- error: 'atomic' is unavailable: atomic writing is unavailable in WASI because temporary files are not supported
531 | }
532 |
FoundationEssentials.Data.WritingOptions.atomic:4:23: note: 'atomic' has been explicitly marked unavailable here
2 | struct WritingOptions {
3 | @available(*, unavailable, message: "atomic writing is unavailable in WASI because temporary files are not supported")
4 | public static let atomic: Data.WritingOptions }
| `- note: 'atomic' has been explicitly marked unavailable here
5 | }
6 |
/host/spi-builder-workspace/Sources/MemoryMapping/MMapDictionary.swift:548:47: error: 'atomic' is unavailable: atomic writing is unavailable in WASI because temporary files are not supported
546 | let data = try build(loadFactor: loadFactor)
547 | let url = URL(fileURLWithPath: path)
548 | try data.write(to: url, options: .atomic)
| `- error: 'atomic' is unavailable: atomic writing is unavailable in WASI because temporary files are not supported
549 | }
550 | }
FoundationEssentials.Data.WritingOptions.atomic:4:23: note: 'atomic' has been explicitly marked unavailable here
2 | struct WritingOptions {
3 | @available(*, unavailable, message: "atomic writing is unavailable in WASI because temporary files are not supported")
4 | public static let atomic: Data.WritingOptions }
| `- note: 'atomic' has been explicitly marked unavailable here
5 | }
6 |
[227/892] Emitting module MemoryMapping
BUILD FAILURE 6.2 wasm