Swift Package IndexBuild Information
Failed to build BinaryEncoding, reference master (8489cb), with Swift 6.4 for Wasm on 16 Sep 2026 18:10:12 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-54344843-0":/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>&1Build Log
========================================
RunAll
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Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/my-mail-ru/swift-binaryencoding.git
Reference: master
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/my-mail-ru/swift-binaryencoding
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at 8489cb7 Swift 4.0
Cloned https://github.com/my-mail-ru/swift-binaryencoding.git
Revision (git rev-parse @):
8489cb745861e869f3fe0f852274105122be025c
SUCCESS checkout https://github.com/my-mail-ru/swift-binaryencoding.git at master
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Build
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Selected platform: wasm
Swift version: 6.4
Building package at path: $PWD
https://github.com/my-mail-ru/swift-binaryencoding.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344843-0":/host -w "$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
Building for debugging...
[Planning deferred tasks]
[22 / 30] BinaryEncoding
[27 / 30] BinaryEncoding
error: SwiftCompile normal wasm32 /host/spi-builder-workspace/Sources/BinaryEncoding/Data.swift failed with a nonzero exit code. Command line: cd /host
builtin-SwiftPerFileCompile Data.swift
/host/spi-builder-workspace/Sources/BinaryEncoding/Data.swift:34:55: [1;33mwarning: [1;39m'copyBytes(from:count:)' is deprecated: renamed to 'copyMemory(from:byteCount:)'[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
[0;36m32 |[0;0m public init(copyFrom: UnsafeRawPointer, count: Int) {
[0;36m33 |[0;0m self.init(minimumCapacity: count)
[0;36m34 |[0;0m withUnsafeMutableBufferRawPointer { $0.baseAddress!.copyBytes(from: copyFrom, count: count) }
[0;36m|[0;0m |- [1;33mwarning: [1;39m'copyBytes(from:count:)' is deprecated: renamed to 'copyMemory(from:byteCount:)'[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
[0;36m|[0;0m `- [1;39mnote: [1;39muse 'copyMemory(from:byteCount:)' instead[0;0m
[0;36m35 |[0;0m self.count = count
[0;36m36 |[0;0m }
/host/spi-builder-workspace/Sources/BinaryEncoding/Data.swift:43:21: [1;33mwarning: [1;39m'copyBytes(from:count:)' is deprecated: renamed to 'copyMemory(from:byteCount:)'[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
[0;36m41 |[0;0m cont.withUnsafeBufferPointer { from in
[0;36m42 |[0;0m withUnsafeMutableBufferRawPointer { to in
[0;36m43 |[0;0m to.baseAddress!.copyBytes(from: UnsafeRawPointer(from.baseAddress!), count: cont.count)
[0;36m|[0;0m |- [1;33mwarning: [1;39m'copyBytes(from:count:)' is deprecated: renamed to 'copyMemory(from:byteCount:)'[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
[0;36m|[0;0m `- [1;39mnote: [1;39muse 'copyMemory(from:byteCount:)' instead[0;0m
[0;36m44 |[0;0m }
[0;36m45 |[0;0m }
/host/spi-builder-workspace/Sources/BinaryEncoding/Data.swift:75:32: [1;33mwarning: [1;39m'copyBytes(from:count:)' is deprecated: renamed to 'copyMemory(from:byteCount:)'[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
[0;36m73 |[0;0m newBuffer.withUnsafeMutablePointerToElements { n in
[0;36m74 |[0;0m buffer.withUnsafeMutablePointerToElements { o in
[0;36m75 |[0;0m UnsafeMutableRawPointer(n).copyBytes(from: UnsafeRawPointer(o), count: count)
[0;36m|[0;0m |- [1;33mwarning: [1;39m'copyBytes(from:count:)' is deprecated: renamed to 'copyMemory(from:byteCount:)'[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
[0;36m|[0;0m `- [1;39mnote: [1;39muse 'copyMemory(from:byteCount:)' instead[0;0m
[0;36m76 |[0;0m }
[0;36m77 |[0;0m }
/host/spi-builder-workspace/Sources/BinaryEncoding/Data.swift:280:12: [1;31merror: [1;39mcannot find 'memcmp' in scope[0;0m
[0;36m278 |[0;0m return rhs.withUnsafeBytes { rb in
[0;36m279 |[0;0m if lb.baseAddress == rb.baseAddress { return true }
[0;36m280 |[0;0m return [4;39mmemcmp[0;0m(lb.baseAddress!, rb.baseAddress!, lb.count) == 0
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find 'memcmp' in scope[0;0m
[0;36m281 |[0;0m }
[0;36m282 |[0;0m }
[#DeprecatedDeclaration]: <https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration>
Failed frontend command:
/usr/bin/swift-frontend -frontend -c /host/spi-builder-workspace/Sources/BinaryEncoding/Common.swift -primary-file /host/spi-builder-workspace/Sources/BinaryEncoding/Data.swift /host/spi-builder-workspace/Sources/BinaryEncoding/UnsafeRawBufferPointer.swift -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/BinaryEncoding.build/Debug-webassembly-wasm32/BinaryEncoding-t.build/Objects-normal/wasm32/Data.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/BinaryEncoding.build/Debug-webassembly-wasm32/BinaryEncoding-t.build/Objects-normal/wasm32/Data.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/BinaryEncoding.build/Debug-webassembly-wasm32/BinaryEncoding-t.build/Objects-normal/wasm32/Data.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/BinaryEncoding.build/Debug-webassembly-wasm32/BinaryEncoding-t.build/Objects-normal/wasm32/Data.dia -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 -swift-version 4 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -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/BinaryEncoding.build/Debug-webassembly-wasm32/BinaryEncoding-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/BinaryEncoding.build/Debug-webassembly-wasm32/BinaryEncoding-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/BinaryEncoding.build/Debug-webassembly-wasm32/BinaryEncoding-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name BinaryEncoding -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/BinaryEncoding.build/Debug-webassembly-wasm32/BinaryEncoding-t.build/Objects-normal/wasm32/BinaryEncoding_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/BinaryEncoding.build/Debug-webassembly-wasm32/BinaryEncoding-t.build/Objects-normal/wasm32/Data.o -index-unit-output-path /BinaryEncoding.build/Debug-webassembly-wasm32/BinaryEncoding-t.build/Objects-normal/wasm32/Data.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 wasm