Swift Package Index

Build Information

Failed to build DictionaryDecoder, reference main (e13255), with Swift 6.4 for Wasm on 19 Sep 2026 09:48:47 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-53886770-1":/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/swhitty/DictionaryDecoder.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/swhitty/DictionaryDecoder
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at e132553 0.24.0
Cloned https://github.com/swhitty/DictionaryDecoder.git
Revision (git rev-parse @):
e132553690dd196cbccde221182ece217f6525bc
SUCCESS checkout https://github.com/swhitty/DictionaryDecoder.git at main
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/swhitty/DictionaryDecoder.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886770-1":/host -w "$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
warning: 'spi-builder-workspace': /host/spi-builder-workspace/Package.swift:17:61: warning: 'v4' is deprecated: watchOS 9.0 is the oldest supported version [#DeprecatedDeclaration]
15 |     name: "DictionaryDecoder",
16 |     platforms: [
17 |         .macOS(.v10_13), .iOS(.v11), .tvOS(.v11), .watchOS(.v4)
   |                                                             `- warning: 'v4' is deprecated: watchOS 9.0 is the oldest supported version [#DeprecatedDeclaration]
18 |     ],
19 |     products: [
[#DeprecatedDeclaration]: <https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration>
warning: 'spi-builder-workspace': Invalid Exclude '/host/spi-builder-workspace/Sources/NSUbiquitousKeyValueStore+CodableTests.swift': File not found.
warning: 'spi-builder-workspace': Invalid Exclude '/host/spi-builder-workspace/Tests/NSUbiquitousKeyValueStore+Codable.swift': File not found.
warning: 'spi-builder-workspace': Invalid Exclude '/host/spi-builder-workspace/Sources/NSUbiquitousKeyValueStore+CodableTests.swift': File not found.
warning: 'spi-builder-workspace': Invalid Exclude '/host/spi-builder-workspace/Tests/NSUbiquitousKeyValueStore+Codable.swift': File not found.
Building for debugging...
[Planning deferred tasks]
error: SwiftCompile normal wasm32 failed with a nonzero exit code. Command line:     cd /host

/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/CoreFoundation/CoreFoundation.h:28:10: note: while building module 'wasi_emulated_signal' imported from /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/CoreFoundation/CoreFoundation.h:28:
 26 | #include <setjmp.h>
 27 | #endif
 28 | #include <signal.h>
    |          `- note: while building module 'wasi_emulated_signal' imported from /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/CoreFoundation/CoreFoundation.h:28:
 29 | #include <stddef.h>
 30 | #include <stdio.h>
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "signal.h"
  |          `- note: in file included from <module-includes>:1:
2 |
/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/include/wasm32-wasip1/signal.h:2:2: error: "wasm lacks signal support; to enable minimal signal emulation, compile with -D_WASI_EMULATED_SIGNAL and link with -lwasi-emulated-signal"
  1 | #ifndef _WASI_EMULATED_SIGNAL
  2 | #error "wasm lacks signal support; to enable minimal signal emulation, \
    |  `- error: "wasm lacks signal support; to enable minimal signal emulation, compile with -D_WASI_EMULATED_SIGNAL and link with -lwasi-emulated-signal"
  3 | compile with -D_WASI_EMULATED_SIGNAL and link with -lwasi-emulated-signal"
  4 | #else
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "CoreFoundation.h"
  |          `- note: in file included from <module-includes>:1:
2 |
/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/CoreFoundation/CoreFoundation.h:28:10: error: could not build module 'wasi_emulated_signal'
 26 | #include <setjmp.h>
 27 | #endif
 28 | #include <signal.h>
    |          `- error: could not build module 'wasi_emulated_signal'
 29 | #include <stddef.h>
 30 | #include <stdio.h>
/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/CoreFoundation/ForSwiftFoundationOnly.h:86:10: note: while building module 'wasi_emulated_mman' imported from /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/CoreFoundation/ForSwiftFoundationOnly.h:86:
 84 | #undef _WASI_EMULATED_MMAN
 85 | #define _WASI_EMULATED_MMAN
 86 | #include <sys/mman.h>
    |          `- note: while building module 'wasi_emulated_mman' imported from /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/CoreFoundation/ForSwiftFoundationOnly.h:86:
 87 | #elif TARGET_OS_LINUX
 88 | #include <errno.h>
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "sys/mman.h"
  |          `- note: in file included from <module-includes>:1:
2 |
/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/include/wasm32-wasip1/sys/mman.h:2:2: error: "WASI lacks a true mmap; to enable minimal mmap emulation, compile with -D_WASI_EMULATED_MMAN and link with -lwasi-emulated-mman"
  1 | #ifndef _WASI_EMULATED_MMAN
  2 | #error "WASI lacks a true mmap; to enable minimal mmap emulation, \
    |  `- error: "WASI lacks a true mmap; to enable minimal mmap emulation, compile with -D_WASI_EMULATED_MMAN and link with -lwasi-emulated-mman"
  3 | compile with -D_WASI_EMULATED_MMAN and link with -lwasi-emulated-mman"
  4 | #else
/host/spi-builder-workspace/Sources/KeyValueDecoder.swift:33:8: error: could not build C module 'CoreFoundation'
 31 |
 32 | import Foundation
 33 | import CoreFoundation
    |        `- error: could not build C module 'CoreFoundation'
 34 |
 35 | /// Top level encoder that converts `[String: Any]`, `[Any]` or `Any` into `Codable` types.
Failed frontend command:
/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /host/spi-builder-workspace/Sources/Dictionary+Extension.swift /host/spi-builder-workspace/Sources/DictionaryDecoder.swift /host/spi-builder-workspace/Sources/DictionaryEncoder.swift /host/spi-builder-workspace/Sources/KeyValueDecoder.swift /host/spi-builder-workspace/Sources/KeyValueEncoder.swift /host/spi-builder-workspace/Sources/UserDefaults+Codable.swift -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 5 -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/DictionaryDecoder.build/Debug-webassembly-wasm32/DictionaryDecoder-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/DictionaryDecoder.build/Debug-webassembly-wasm32/DictionaryDecoder-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/DictionaryDecoder.build/Debug-webassembly-wasm32/DictionaryDecoder-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name DictionaryDecoder -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/DictionaryDecoder.build/Debug-webassembly-wasm32/DictionaryDecoder-t.build/Objects-normal/wasm32/DictionaryDecoder_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 -emit-module-doc-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/DictionaryDecoder.build/Debug-webassembly-wasm32/DictionaryDecoder-t.build/Objects-normal/wasm32/Modules/DictionaryDecoder.swiftdoc -emit-module-source-info-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/DictionaryDecoder.build/Debug-webassembly-wasm32/DictionaryDecoder-t.build/Objects-normal/wasm32/Modules/DictionaryDecoder.swiftsourceinfo -emit-objc-header-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/DictionaryDecoder.build/Debug-webassembly-wasm32/DictionaryDecoder-t.build/Objects-normal/wasm32/DictionaryDecoder-Swift.h -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/DictionaryDecoder.build/Debug-webassembly-wasm32/DictionaryDecoder-t.build/Objects-normal/wasm32/DictionaryDecoder-primary-emit-module.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/DictionaryDecoder.build/Debug-webassembly-wasm32/DictionaryDecoder-t.build/Objects-normal/wasm32/DictionaryDecoder-primary-emit-module.d -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/DictionaryDecoder.build/Debug-[25 / 33] DictionaryDecoder
webassembly-wasm32/DictionaryDecoder-t.build/Objects-normal/wasm32/Modules/DictionaryDecoder.swiftmodule
error: Build failed
BUILD FAILURE 6.4 wasm