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Build Information

Failed to build swift-operation, reference main (e9cc7a), with Swift 6.4 for Wasm on 23 Oct 2026 23:49:43 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-53886768-0":/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-6.4.0-RELEASE_wasm 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 5.1.3
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/mhayes853/swift-operation.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/mhayes853/swift-operation
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at e9cc7a5 Remove AGENTS.md
Cloned https://github.com/mhayes853/swift-operation.git
Revision (git rev-parse @):
e9cc7a595959a271dc4a3512c97a82918b4b9781
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/mhayes853/swift-operation.git at main
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/mhayes853/swift-operation.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886768-0":/host -w "$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-6.4.0-RELEASE_wasm 2>&1
wasm-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:0ad19d16955074ecc72bbe910025b19c4e4614184c1a48afc82660d4c7620121
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest
Fetching https://github.com/swiftwasm/JavaScriptKit
Fetching https://github.com/apple/swift-atomics
Fetching https://github.com/pointfreeco/swift-macro-testing
Fetching https://github.com/swiftlang/swift-syntax
Fetching https://github.com/pointfreeco/swift-perception
[1/2078] Fetching swift-perception
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[2396/4969] Fetching swift-perception, swift-macro-testing, swift-atomics
Fetched https://github.com/pointfreeco/swift-perception (0.40s)
[1531/2891] Fetching swift-macro-testing, swift-atomics
Fetching https://github.com/pointfreeco/swift-identified-collections
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Fetched https://github.com/pointfreeco/swift-identified-collections (0.50s)
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Fetching https://github.com/pointfreeco/swift-custom-dump
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Fetched https://github.com/pointfreeco/swift-custom-dump (0.45s)
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[1/81072] Fetching swift-syntax
Fetching https://github.com/swiftlang/swift-docc-plugin
[29187/85267] Fetching swift-syntax, swift-sharing
Fetched https://github.com/pointfreeco/swift-sharing (0.45s)
Fetching https://github.com/pointfreeco/swift-clocks
[42158/81072] Fetching swift-syntax
[45402/83417] Fetching swift-syntax, swift-docc-plugin
Fetched https://github.com/swiftlang/swift-docc-plugin (0.51s)
[63237/81072] Fetching swift-syntax
Fetching https://github.com/pointfreeco/swift-dependencies
Fetched https://github.com/swiftwasm/JavaScriptKit (1.96s)
Fetching https://github.com/pointfreeco/xctest-dynamic-overlay
[81073/82782] Fetching swift-syntax, swift-clocks
Fetched https://github.com/pointfreeco/swift-clocks (0.43s)
[1/7660] Fetching swift-dependencies
[7661/10387] Fetching swift-dependencies, xctest-dynamic-overlay
Fetched https://github.com/pointfreeco/swift-dependencies (0.52s)
[382/2727] Fetching xctest-dynamic-overlay
Fetched https://github.com/pointfreeco/xctest-dynamic-overlay (0.62s)
Fetched https://github.com/pointfreeco/swift-macro-testing (3.58s)
Fetched https://github.com/apple/swift-atomics (3.58s)
Fetched https://github.com/swiftlang/swift-syntax (3.60s)
Computing version for https://github.com/pointfreeco/xctest-dynamic-overlay
Computed https://github.com/pointfreeco/xctest-dynamic-overlay at 1.13.1 (4.50s)
Fetching https://github.com/pointfreeco/swift-issue-reporting
[1/6180] Fetching swift-issue-reporting
Fetched https://github.com/pointfreeco/swift-issue-reporting (0.70s)
Computing version for https://github.com/apple/swift-atomics
Computed https://github.com/apple/swift-atomics at 1.3.1 (0.86s)
Computing version for https://github.com/pointfreeco/swift-identified-collections
Computed https://github.com/pointfreeco/swift-identified-collections at 1.1.1 (0.14s)
Fetching https://github.com/apple/swift-collections
[1/29301] Fetching swift-collections
Fetched https://github.com/apple/swift-collections (1.33s)
Computing version for https://github.com/swiftlang/swift-syntax
Computed https://github.com/swiftlang/swift-syntax at 602.0.0 (2.30s)
Computing version for https://github.com/pointfreeco/swift-macro-testing
Computed https://github.com/pointfreeco/swift-macro-testing at 0.7.0 (0.15s)
Fetching https://github.com/pointfreeco/swift-snapshot-testing
[1/16593] Fetching swift-snapshot-testing
Fetched https://github.com/pointfreeco/swift-snapshot-testing (2.96s)
Computing version for https://github.com/pointfreeco/swift-sharing
Computed https://github.com/pointfreeco/swift-sharing at 2.10.1 (3.19s)
Fetching https://github.com/pointfreeco/swift-concurrency-extras
[1/1118] Fetching swift-concurrency-extras
Fetched https://github.com/pointfreeco/swift-concurrency-extras (0.42s)
Computing version for https://github.com/pointfreeco/swift-clocks
Computed https://github.com/pointfreeco/swift-clocks at 1.1.1 (0.58s)
Computing version for https://github.com/pointfreeco/swift-issue-reporting
Computed https://github.com/pointfreeco/swift-issue-reporting at 2.1.2 (0.21s)
Computing version for https://github.com/swiftwasm/JavaScriptKit
Computed https://github.com/swiftwasm/JavaScriptKit at 0.61.0 (0.20s)
Computing version for https://github.com/swiftlang/swift-docc-plugin
Computed https://github.com/swiftlang/swift-docc-plugin at 1.5.0 (0.18s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
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Fetched https://github.com/swiftlang/swift-docc-symbolkit (0.58s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (0.79s)
Computing version for https://github.com/pointfreeco/swift-perception
Computed https://github.com/pointfreeco/swift-perception at 2.0.12 (0.16s)
Computing version for https://github.com/pointfreeco/swift-concurrency-extras
Computed https://github.com/pointfreeco/swift-concurrency-extras at 1.4.3 (0.15s)
Computing version for https://github.com/pointfreeco/swift-custom-dump
Computed https://github.com/pointfreeco/swift-custom-dump at 1.7.3 (0.15s)
Computing version for https://github.com/pointfreeco/swift-dependencies
Computed https://github.com/pointfreeco/swift-dependencies at 1.17.1 (0.16s)
Fetching https://github.com/pointfreeco/combine-schedulers
[1/2690] Fetching combine-schedulers
Fetched https://github.com/pointfreeco/combine-schedulers (0.64s)
Computing version for https://github.com/pointfreeco/combine-schedulers
Computed https://github.com/pointfreeco/combine-schedulers at 1.2.2 (0.81s)
Fetching https://github.com/OpenCombine/OpenCombine.git
[1/8306] Fetching opencombine
Fetched https://github.com/OpenCombine/OpenCombine.git (0.61s)
Computing version for https://github.com/OpenCombine/OpenCombine.git
Computed https://github.com/OpenCombine/OpenCombine.git at 0.14.0 (0.81s)
Computing version for https://github.com/pointfreeco/swift-snapshot-testing
Computed https://github.com/pointfreeco/swift-snapshot-testing at 1.19.7 (0.15s)
Computing version for https://github.com/apple/swift-collections
Computed https://github.com/apple/swift-collections at 1.7.4 (0.23s)
Creating working copy for https://github.com/pointfreeco/swift-issue-reporting
Working copy of https://github.com/pointfreeco/swift-issue-reporting resolved at 2.1.2
Creating working copy for https://github.com/swiftwasm/JavaScriptKit
Working copy of https://github.com/swiftwasm/JavaScriptKit resolved at 0.61.0
Creating working copy for https://github.com/pointfreeco/combine-schedulers
Working copy of https://github.com/pointfreeco/combine-schedulers resolved at 1.2.2
Creating working copy for https://github.com/swiftlang/swift-docc-plugin
Working copy of https://github.com/swiftlang/swift-docc-plugin resolved at 1.5.0
Creating working copy for https://github.com/apple/swift-atomics
Working copy of https://github.com/apple/swift-atomics resolved at 1.3.1
Creating working copy for https://github.com/swiftlang/swift-syntax
Working copy of https://github.com/swiftlang/swift-syntax resolved at 602.0.0
Creating working copy for https://github.com/pointfreeco/swift-concurrency-extras
Working copy of https://github.com/pointfreeco/swift-concurrency-extras resolved at 1.4.3
Creating working copy for https://github.com/OpenCombine/OpenCombine.git
Working copy of https://github.com/OpenCombine/OpenCombine.git resolved at 0.14.0
Creating working copy for https://github.com/pointfreeco/swift-custom-dump
Working copy of https://github.com/pointfreeco/swift-custom-dump resolved at 1.7.3
Creating working copy for https://github.com/pointfreeco/xctest-dynamic-overlay
Working copy of https://github.com/pointfreeco/xctest-dynamic-overlay resolved at 1.13.1
Creating working copy for https://github.com/pointfreeco/swift-clocks
Working copy of https://github.com/pointfreeco/swift-clocks resolved at 1.1.1
Creating working copy for https://github.com/swiftlang/swift-docc-symbolkit
Working copy of https://github.com/swiftlang/swift-docc-symbolkit resolved at 1.0.0
Creating working copy for https://github.com/apple/swift-collections
Working copy of https://github.com/apple/swift-collections resolved at 1.7.4
Creating working copy for https://github.com/pointfreeco/swift-perception
Working copy of https://github.com/pointfreeco/swift-perception resolved at 2.0.12
Creating working copy for https://github.com/pointfreeco/swift-sharing
Working copy of https://github.com/pointfreeco/swift-sharing resolved at 2.10.1
Creating working copy for https://github.com/pointfreeco/swift-macro-testing
Working copy of https://github.com/pointfreeco/swift-macro-testing resolved at 0.7.0
Creating working copy for https://github.com/pointfreeco/swift-snapshot-testing
Working copy of https://github.com/pointfreeco/swift-snapshot-testing resolved at 1.19.7
Creating working copy for https://github.com/pointfreeco/swift-dependencies
Working copy of https://github.com/pointfreeco/swift-dependencies resolved at 1.17.1
Creating working copy for https://github.com/pointfreeco/swift-identified-collections
Working copy of https://github.com/pointfreeco/swift-identified-collections resolved at 1.1.1
Building for debugging...
[Computing dependencies]
[Constructing description]
[Pre-planning 1 / 1420]
[Planning deferred tasks]
[Starting]
[62 / 527] SwiftSyntax602
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[480 / 666] InternalCollectionsUtilities
error: SwiftCompile normal wasm32 /host/spi-builder-workspace/.build/checkouts/combine-schedulers/Sources/CombineSchedulers/AnyScheduler.swift failed with a nonzero exit code. Command line:     cd /host
    builtin-SwiftPerFileCompile AnyScheduler.swift
error: SwiftCompile normal wasm32 /host/spi-builder-workspace/.build/checkouts/combine-schedulers/Sources/CombineSchedulers/Concurrency.swift failed with a nonzero exit code. Command line:     cd /host
    builtin-SwiftPerFileCompile Concurrency.swift
/root/.swiftpm/swift-sdks/swift-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_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-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_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-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_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-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_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-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_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-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_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-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_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-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_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-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_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/.build/checkouts/combine-schedulers/Sources/CombineSchedulers/Internal/Lock.swift:48:12: error: could not build C module 'CoreFoundation'
46 |   import Foundation
47 |   #if canImport(CoreFoundation)
48 |     import CoreFoundation
   |            `- error: could not build C module 'CoreFoundation'
49 |   #endif
50 |
Failed frontend command:
/usr/bin/swift-frontend -frontend -c -primary-file /host/spi-builder-workspace/.build/checkouts/combine-schedulers/Sources/CombineSchedulers/AnyScheduler.swift -primary-file /host/spi-builder-workspace/.build/checkouts/combine-schedulers/Sources/CombineSchedulers/Concurrency.swift /host/spi-builder-workspace/.build/checkouts/combine-schedulers/Sources/CombineSchedulers/ImmediateScheduler.swift /host/spi-builder-workspace/.build/checkouts/combine-schedulers/Sources/CombineSchedulers/Internal/Deprecations.swift /host/spi-builder-workspace/.build/checkouts/combine-schedulers/Sources/CombineSchedulers/Internal/Lock.swift /host/spi-builder-workspace/.build/checkouts/combine-schedulers/Sources/CombineSchedulers/Internal/NSRecursiveLock.swift /host/spi-builder-workspace/.build/checkouts/combine-schedulers/Sources/CombineSchedulers/Internal/Platform.swift /host/spi-builder-workspace/.build/checkouts/combine-schedulers/Sources/CombineSchedulers/SwiftUI.swift /host/spi-builder-workspace/.build/checkouts/combine-schedulers/Sources/CombineSchedulers/TestScheduler.swift /host/spi-builder-workspace/.build/checkouts/combine-schedulers/Sources/CombineSchedulers/Timer.swift /host/spi-builder-workspace/.build/checkouts/combine-schedulers/Sources/CombineSchedulers/UIKit.swift /host/spi-builder-workspace/.build/checkouts/combine-schedulers/Sources/CombineSchedulers/UIScheduler.swift /host/spi-builder-workspace/.build/checkouts/combine-schedulers/Sources/CombineSchedulers/UnimplementedScheduler.swift -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/combine-schedulers.build/Debug-webassembly-wasm32/CombineSchedulers-t.build/Objects-normal/wasm32/AnyScheduler.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/combine-schedulers.build/Debug-webassembly-wasm32/CombineSchedulers-t.build/Objects-normal/wasm32/AnyScheduler.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/combine-schedulers.build/Debug-webassembly-wasm32/CombineSchedulers-t.build/Objects-normal/wasm32/AnyScheduler.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/combine-schedulers.build/Debug-webassembly-wasm32/CombineSchedulers-t.build/Objects-normal/wasm32/AnyScheduler.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/combine-schedulers.build/Debug-webassembly-wasm32/CombineSchedulers-t.build/Objects-normal/wasm32/Concurrency.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/combine-schedulers.build/Debug-webassembly-wasm32/CombineSchedulers-t.build/Objects-normal/wasm32/Concurrency.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/combine-schedulers.build/Debug-webassembly-wasm32/CombineSchedulers-t.build/Objects-normal/wasm32/Concurrency.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/combine-schedulers.build/Debug-webassembly-wasm32/CombineSchedulers-t.build/Objects-normal/wasm32/Concurrency.dia -target wasm32-unknown-wasip1 -disable-objc-interop -sdk /root/.swiftpm/swift-sdks/swift-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_wasm/wasm32-unknown-wasip1/WASI.sdk -sysroot /root/.swiftpm/swift-sdks/swift-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_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 6 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D OpenCombineSchedulers -D Xcode -serialize-debugging-options -enable-upcoming-feature ExistentialAny -enable-upcoming-feature ImmutableWeakCaptures -enable-upcoming-feature InferIsolatedConformances -enable-upcoming-feature InternalImportsByDefault -enable-upcoming-feature MemberImportVisibility -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -external-plugin-path /usr/lib/swift/host/plugins/testing\#/usr/bin/swift-plugin-server -user-module-version 1.2.2 -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-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static -use-static-resource-dir -enable-anonymous-context-mangled-names -file-compilation-dir /host -Xcc 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error: Build failed
BUILD FAILURE 6.4 wasm