Cyphera – Build Information – Swift Package Index

Build Information

Failed to build Cyphera, reference v0.0.1-alpha.8 (1bff14), with Swift 6.4 for Wasm on 25 Sep 2026 10:18:14 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-54344845-0":/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-6.4-latest swift build --swift-sdk swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/cyphera-labs/cyphera-swift.git
Reference: v0.0.1-alpha.8
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/cyphera-labs/cyphera-swift
 * tag               v0.0.1-alpha.8 -> FETCH_HEAD
HEAD is now at 1bff143 feat: strict FF3/FF3-1 tweak — no silent zero-fill (matches NIST + BC + rust)
Cloned https://github.com/cyphera-labs/cyphera-swift.git
Revision (git rev-parse @):
1bff1433a76a91e5bd350f42e53095f81885a5ad
SUCCESS checkout https://github.com/cyphera-labs/cyphera-swift.git at v0.0.1-alpha.8
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/cyphera-labs/cyphera-swift.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344845-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest swift build --swift-sdk swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm 2>&1
wasm-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:4328fdb43c680d205c1d6761b1e3267aa38277eefdda9ddfb17b6a0f1a77857a
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest
Fetching https://github.com/attaswift/BigInt.git
Fetching https://github.com/krzyzanowskim/CryptoSwift.git
[1/4939] Fetching bigint
[2/18378] Fetching bigint, cryptoswift
Fetched https://github.com/attaswift/BigInt.git (1.05s)
Fetched https://github.com/krzyzanowskim/CryptoSwift.git (1.06s)
Computing version for https://github.com/krzyzanowskim/CryptoSwift.git
Computed https://github.com/krzyzanowskim/CryptoSwift.git at 1.10.0 (2.15s)
Computing version for https://github.com/attaswift/BigInt.git
warning: 'bigint': /Package.swift:18:19: warning: 'v4' is deprecated: watchOS 9.0 is the oldest supported version [#DeprecatedDeclaration]
16 |         .iOS(.v12),
17 |         .tvOS(.v12),
18 |         .watchOS(.v4),
   |                   `- warning: 'v4' is deprecated: watchOS 9.0 is the oldest supported version [#DeprecatedDeclaration]
19 |         .macCatalyst(.v13),
20 |         .visionOS(.v1),
[#DeprecatedDeclaration]: <https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration>
Computed https://github.com/attaswift/BigInt.git at 5.7.0 (0.16s)
Creating working copy for https://github.com/attaswift/BigInt.git
Working copy of https://github.com/attaswift/BigInt.git resolved at 5.7.0
Creating working copy for https://github.com/krzyzanowskim/CryptoSwift.git
Working copy of https://github.com/krzyzanowskim/CryptoSwift.git resolved at 1.10.0
warning: 'bigint': /host/spi-builder-workspace/.build/checkouts/BigInt/Package.swift:18:19: warning: 'v4' is deprecated: watchOS 9.0 is the oldest supported version [#DeprecatedDeclaration]
16 |         .iOS(.v12),
17 |         .tvOS(.v12),
18 |         .watchOS(.v4),
   |                   `- warning: 'v4' is deprecated: watchOS 9.0 is the oldest supported version [#DeprecatedDeclaration]
19 |         .macCatalyst(.v13),
20 |         .visionOS(.v1),
[#DeprecatedDeclaration]: <https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration>
Building for debugging...
[Pre-planning 1 / 126]
[Constructing 31 / 272]
[36 / 60] CryptoSwift
[38 / 69] CryptoSwift
[50 / 69] CryptoSwift
[51 / 69] CryptoSwift
[53 / 69] CryptoSwift-product
error: SwiftCompile normal wasm32 /host/spi-builder-workspace/.build/checkouts/BigInt/Sources/Floating\ Point\ Conversion.swift failed with a nonzero exit code. Command line:     cd /host
    builtin-SwiftPerFileCompile Floating\ Point\ Conversion.swift
[56 / 69] BigInt
/host/spi-builder-workspace/.build/checkouts/BigInt/Sources/Floating Point Conversion.swift:170:13: [1;31merror: [1;39m'_mantissa' is inaccessible due to 'internal' protection level[0;0m
[0;36m168 |[0;0m     var mantissaParts: [UInt16] {
[0;36m169 |[0;0m         [
[0;36m170 |[0;0m             _mantissa.0,
    [0;36m|[0;0m             `- [1;31merror: [1;39m'_mantissa' is inaccessible due to 'internal' protection level[0;0m
[0;36m171 |[0;0m             _mantissa.1,
[0;36m172 |[0;0m             _mantissa.2,
FoundationEssentials.Decimal._mantissa:2:14: [1;39mnote: [1;39m'_mantissa' declared here[0;0m
[0;36m1 |[0;0m struct Decimal {
[0;36m2 |[0;0m internal var _mantissa: Decimal.Mantissa { get set }}
  [0;36m|[0;0m              `- [1;39mnote: [1;39m'_mantissa' declared here[0;0m
[0;36m3 |[0;0m
/host/spi-builder-workspace/.build/checkouts/BigInt/Sources/Floating Point Conversion.swift:171:13: [1;31merror: [1;39m'_mantissa' is inaccessible due to 'internal' protection level[0;0m
[0;36m169 |[0;0m         [
[0;36m170 |[0;0m             _mantissa.0,
[0;36m171 |[0;0m             _mantissa.1,
    [0;36m|[0;0m             `- [1;31merror: [1;39m'_mantissa' is inaccessible due to 'internal' protection level[0;0m
[0;36m172 |[0;0m             _mantissa.2,
[0;36m173 |[0;0m             _mantissa.3,
FoundationEssentials.Decimal._mantissa:2:14: [1;39mnote: [1;39m'_mantissa' declared here[0;0m
[0;36m1 |[0;0m struct Decimal {
[0;36m2 |[0;0m internal var _mantissa: Decimal.Mantissa { get set }}
  [0;36m|[0;0m              `- [1;39mnote: [1;39m'_mantissa' declared here[0;0m
[0;36m3 |[0;0m
/host/spi-builder-workspace/.build/checkouts/BigInt/Sources/Floating Point Conversion.swift:172:13: [1;31merror: [1;39m'_mantissa' is inaccessible due to 'internal' protection level[0;0m
[0;36m170 |[0;0m             _mantissa.0,
[0;36m171 |[0;0m             _mantissa.1,
[0;36m172 |[0;0m             _mantissa.2,
    [0;36m|[0;0m             `- [1;31merror: [1;39m'_mantissa' is inaccessible due to 'internal' protection level[0;0m
[0;36m173 |[0;0m             _mantissa.3,
[0;36m174 |[0;0m             _mantissa.4,
FoundationEssentials.Decimal._mantissa:2:14: [1;39mnote: [1;39m'_mantissa' declared here[0;0m
[0;36m1 |[0;0m struct Decimal {
[0;36m2 |[0;0m internal var _mantissa: Decimal.Mantissa { get set }}
  [0;36m|[0;0m              `- [1;39mnote: [1;39m'_mantissa' declared here[0;0m
[0;36m3 |[0;0m
/host/spi-builder-workspace/.build/checkouts/BigInt/Sources/Floating Point Conversion.swift:173:13: [1;31merror: [1;39m'_mantissa' is inaccessible due to 'internal' protection level[0;0m
[0;36m171 |[0;0m             _mantissa.1,
[0;36m172 |[0;0m             _mantissa.2,
[0;36m173 |[0;0m             _mantissa.3,
    [0;36m|[0;0m             `- [1;31merror: [1;39m'_mantissa' is inaccessible due to 'internal' protection level[0;0m
[0;36m174 |[0;0m             _mantissa.4,
[0;36m175 |[0;0m             _mantissa.5,
FoundationEssentials.Decimal._mantissa:2:14: [1;39mnote: [1;39m'_mantissa' declared here[0;0m
[0;36m1 |[0;0m struct Decimal {
[0;36m2 |[0;0m internal var _mantissa: Decimal.Mantissa { get set }}
  [0;36m|[0;0m              `- [1;39mnote: [1;39m'_mantissa' declared here[0;0m
[0;36m3 |[0;0m
/host/spi-builder-workspace/.build/checkouts/BigInt/Sources/Floating Point Conversion.swift:174:13: [1;31merror: [1;39m'_mantissa' is inaccessible due to 'internal' protection level[0;0m
[0;36m172 |[0;0m             _mantissa.2,
[0;36m173 |[0;0m             _mantissa.3,
[0;36m174 |[0;0m             _mantissa.4,
    [0;36m|[0;0m             `- [1;31merror: [1;39m'_mantissa' is inaccessible due to 'internal' protection level[0;0m
[0;36m175 |[0;0m             _mantissa.5,
[0;36m176 |[0;0m             _mantissa.6,
FoundationEssentials.Decimal._mantissa:2:14: [1;39mnote: [1;39m'_mantissa' declared here[0;0m
[0;36m1 |[0;0m struct Decimal {
[0;36m2 |[0;0m internal var _mantissa: Decimal.Mantissa { get set }}
  [0;36m|[0;0m              `- [1;39mnote: [1;39m'_mantissa' declared here[0;0m
[0;36m3 |[0;0m
/host/spi-builder-workspace/.build/checkouts/BigInt/Sources/Floating Point Conversion.swift:175:13: [1;31merror: [1;39m'_mantissa' is inaccessible due to 'internal' protection level[0;0m
[0;36m173 |[0;0m             _mantissa.3,
[0;36m174 |[0;0m             _mantissa.4,
[0;36m175 |[0;0m             _mantissa.5,
    [0;36m|[0;0m             `- [1;31merror: [1;39m'_mantissa' is inaccessible due to 'internal' protection level[0;0m
[0;36m176 |[0;0m             _mantissa.6,
[0;36m177 |[0;0m             _mantissa.7,
FoundationEssentials.Decimal._mantissa:2:14: [1;39mnote: [1;39m'_mantissa' declared here[0;0m
[0;36m1 |[0;0m struct Decimal {
[0;36m2 |[0;0m internal var _mantissa: Decimal.Mantissa { get set }}
  [0;36m|[0;0m              `- [1;39mnote: [1;39m'_mantissa' declared here[0;0m
[0;36m3 |[0;0m
/host/spi-builder-workspace/.build/checkouts/BigInt/Sources/Floating Point Conversion.swift:176:13: [1;31merror: [1;39m'_mantissa' is inaccessible due to 'internal' protection level[0;0m
[0;36m174 |[0;0m             _mantissa.4,
[0;36m175 |[0;0m             _mantissa.5,
[0;36m176 |[0;0m             _mantissa.6,
    [0;36m|[0;0m             `- [1;31merror: [1;39m'_mantissa' is inaccessible due to 'internal' protection level[0;0m
[0;36m177 |[0;0m             _mantissa.7,
[0;36m178 |[0;0m         ]
FoundationEssentials.Decimal._mantissa:2:14: [1;39mnote: [1;39m'_mantissa' declared here[0;0m
[0;36m1 |[0;0m struct Decimal {
[0;36m2 |[0;0m internal var _mantissa: Decimal.Mantissa { get set }}
  [0;36m|[0;0m              `- [1;39mnote: [1;39m'_mantissa' declared here[0;0m
[0;36m3 |[0;0m
/host/spi-builder-workspace/.build/checkouts/BigInt/Sources/Floating Point Conversion.swift:177:13: [1;31merror: [1;39m'_mantissa' is inaccessible due to 'internal' protection level[0;0m
[0;36m175 |[0;0m             _mantissa.5,
[0;36m176 |[0;0m             _mantissa.6,
[0;36m177 |[0;0m             _mantissa.7,
    [0;36m|[0;0m             `- [1;31merror: [1;39m'_mantissa' is inaccessible due to 'internal' protection level[0;0m
[0;36m178 |[0;0m         ]
[0;36m179 |[0;0m     }
FoundationEssentials.Decimal._mantissa:2:14: [1;39mnote: [1;39m'_mantissa' declared here[0;0m
[0;36m1 |[0;0m struct Decimal {
[0;36m2 |[0;0m internal var _mantissa: Decimal.Mantissa { get set }}
  [0;36m|[0;0m              `- [1;39mnote: [1;39m'_mantissa' declared here[0;0m
[0;36m3 |[0;0m
Failed frontend command:
/usr/bin/swift-frontend -frontend -c /host/spi-builder-workspace/.build/checkouts/BigInt/Sources/Addition.swift /host/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt.swift /host/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigUInt.swift /host/spi-builder-workspace/.build/checkouts/BigInt/Sources/Bitwise\ Ops.swift /host/spi-builder-workspace/.build/checkouts/BigInt/Sources/Codable.swift /host/spi-builder-workspace/.build/checkouts/BigInt/Sources/Comparable.swift /host/spi-builder-workspace/.build/checkouts/BigInt/Sources/Data\ Conversion.swift /host/spi-builder-workspace/.build/checkouts/BigInt/Sources/Division.swift /host/spi-builder-workspace/.build/checkouts/BigInt/Sources/Exponentiation.swift -primary-file /host/spi-builder-workspace/.build/checkouts/BigInt/Sources/Floating\ Point\ Conversion.swift -primary-file /host/spi-builder-workspace/.build/checkouts/BigInt/Sources/GCD.swift -primary-file /host/spi-builder-workspace/.build/checkouts/BigInt/Sources/Hashable.swift /host/spi-builder-workspace/.build/checkouts/BigInt/Sources/Integer\ Conversion.swift /host/spi-builder-workspace/.build/checkouts/BigInt/Sources/Multiplication.swift /host/spi-builder-workspace/.build/checkouts/BigInt/Sources/Prime\ Test.swift /host/spi-builder-workspace/.build/checkouts/BigInt/Sources/Random.swift /host/spi-builder-workspace/.build/checkouts/BigInt/Sources/Shifts.swift /host/spi-builder-workspace/.build/checkouts/BigInt/Sources/Square\ Root.swift /host/spi-builder-workspace/.build/checkouts/BigInt/Sources/Strideable.swift /host/spi-builder-workspace/.build/checkouts/BigInt/Sources/String\ Conversion.swift /host/spi-builder-workspace/.build/checkouts/BigInt/Sources/Subtraction.swift /host/spi-builder-workspace/.build/checkouts/BigInt/Sources/Words\ and\ Bits.swift -supplementary-output-file-map /host/spi-builder-workspace/.build/out/Intermediates.noindex/BigInt.build/Debug-webassembly-wasm32/BigInt-t.build/Objects-normal/wasm32/supplementaryOutputs-4 -target wasm32-unknown-wasip1 -disable-objc-interop -sdk /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/WASI.sdk -sysroot /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/WASI.sdk -I /host/spi-builder-workspace/.build/out/Products/Debug-webassembly-wasm32 -module-cache-path /host/spi-builder-workspace/.build/out/ModuleCache.noindex -color-diagnostics -Xcc -fcolor-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -suppress-warnings -swift-version 5 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -enable-experimental-feature StrictConcurrency -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -external-plugin-path /usr/lib/swift/host/plugins/testing\#/usr/bin/swift-plugin-server -validate-clang-modules-once -clang-build-session-file /host/spi-builder-workspace/.build/out/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /host -resource-dir /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static -use-static-resource-dir -enable-anonymous-context-mangled-names -file-compilation-dir /host -Xcc -resource-dir -Xcc /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static/clang -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/host/spi-builder-workspace/.build/out/Products/Debug-webassembly-wasm32/include -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/BigInt.build/Debug-webassembly-wasm32/BigInt-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/BigInt.build/Debug-webassembly-wasm32/BigInt-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/BigInt.build/Debug-webassembly-wasm32/BigInt-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name BigInt -package-name bigint -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/BigInt.build/Debug-webassembly-wasm32/BigInt-t.build/Objects-normal/wasm32/BigInt_const_extract_protocols.json -in-process-plugin-server-path /usr/lib/swift/host/libSwiftInProcPluginServer.so -plugin-path /usr/lib/swift/host/plugins -plugin-path /usr/local/lib/swift/host/plugins -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/BigInt.build/Debug-webassembly-wasm32/BigInt-t.build/Objects-normal/wasm32/Floating\ Point\ Conversion.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/BigInt.build/Debug-webassembly-wasm32/BigInt-t.build/Objects-normal/wasm32/GCD.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/BigInt.build/Debug-webassembly-wasm32/BigInt-t.build/Objects-normal/wasm32/Hashable.o -index-unit-output-path /BigInt.build/Debug-webassembly-wasm32/BigInt-t.build/Objects-normal/wasm32/Floating\ Point\ Conversion.o -index-unit-output-path /BigInt.build/Debug-webassembly-wasm32/BigInt-t.build/Objects-normal/wasm32/GCD.o -index-unit-output-path /BigInt.build/Debug-webassembly-wasm32/BigInt-t.build/Objects-normal/wasm32/Hashable.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 wasm