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Build Information

Failed to build swift-snippets, reference 0.1.1 (700784), with Swift 6.4 for Android on 27 Sep 2026 17:50:19 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:android-6.4-latest swift build --swift-sdk aarch64-unknown-linux-android28 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/capturecontext/swift-snippets.git
Reference: 0.1.1
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/capturecontext/swift-snippets
 * tag               0.1.1      -> FETCH_HEAD
HEAD is now at 7007846 chore: update KeyPaths Extensions dependency
Cloned https://github.com/capturecontext/swift-snippets.git
Revision (git rev-parse @):
700784602d3f18533b50358f282a7668cab8e79b
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/capturecontext/swift-snippets.git at 0.1.1
========================================
Build
========================================
Selected platform:         android
Swift version:             6.4
Building package at path:  $PWD
https://github.com/capturecontext/swift-snippets.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344843-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:android-6.4-latest swift build --swift-sdk aarch64-unknown-linux-android28 2>&1
android-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:abadcff584c273feba50641b454858d377ba30b35ea7287a94f45ebd8afd0ea0
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:android-6.4-latest
Fetching https://github.com/pointfreeco/swift-issue-reporting.git
Fetching https://github.com/capturecontext/swift-keypaths-extensions.git
Fetching https://github.com/pointfreeco/swift-custom-dump.git
Fetching https://github.com/pointfreeco/swift-dependencies.git
[1/5666] Fetching swift-custom-dump
[171/13257] Fetching swift-custom-dump, swift-dependencies
[4561/13549] Fetching swift-custom-dump, swift-dependencies, swift-keypaths-extensions
[13550/19710] Fetching swift-custom-dump, swift-dependencies, swift-keypaths-extensions, swift-issue-reporting
Fetched https://github.com/pointfreeco/swift-custom-dump.git (0.55s)
[7945/14044] Fetching swift-dependencies, swift-keypaths-extensions, swift-issue-reporting
Fetched https://github.com/capturecontext/swift-keypaths-extensions.git (0.58s)
[8885/13752] Fetching swift-dependencies, swift-issue-reporting
Fetched https://github.com/pointfreeco/swift-dependencies.git (0.58s)
[1602/6161] Fetching swift-issue-reporting
Fetched https://github.com/pointfreeco/swift-issue-reporting.git (0.74s)
Computing version for https://github.com/pointfreeco/swift-dependencies.git
Computed https://github.com/pointfreeco/swift-dependencies.git at 1.17.1 (0.96s)
Fetching https://github.com/pointfreeco/swift-concurrency-extras
Fetching https://github.com/pointfreeco/swift-clocks
Fetching https://github.com/pointfreeco/combine-schedulers
[1/2686] Fetching combine-schedulers
[458/4132] Fetching combine-schedulers, swift-clocks
[4133/5190] Fetching combine-schedulers, swift-clocks, swift-concurrency-extras
Fetched https://github.com/pointfreeco/swift-clocks (0.49s)
[2972/3744] Fetching combine-schedulers, swift-concurrency-extras
Fetched https://github.com/pointfreeco/combine-schedulers (0.50s)
[498/1058] Fetching swift-concurrency-extras
Fetching https://github.com/swiftlang/swift-syntax
[1059/81127] Fetching swift-concurrency-extras, swift-syntax
Fetched https://github.com/pointfreeco/swift-concurrency-extras (3.96s)
Fetched https://github.com/swiftlang/swift-syntax (3.45s)
Computing version for https://github.com/pointfreeco/swift-custom-dump.git
Computed https://github.com/pointfreeco/swift-custom-dump.git at 1.7.3 (4.18s)
Computing version for https://github.com/capturecontext/swift-keypaths-extensions.git
Computed https://github.com/capturecontext/swift-keypaths-extensions.git at 0.2.2 (0.15s)
Fetching https://github.com/capturecontext/swift-keypath-mapping.git
Fetching https://github.com/capturecontext/swift-marker-protocols.git
[1/186] Fetching swift-keypath-mapping
[187/473] Fetching swift-keypath-mapping, swift-marker-protocols
Fetched https://github.com/capturecontext/swift-keypath-mapping.git (0.45s)
Fetched https://github.com/capturecontext/swift-marker-protocols.git (0.45s)
Computing version for https://github.com/capturecontext/swift-marker-protocols.git
Computed https://github.com/capturecontext/swift-marker-protocols.git at 1.5.3 (0.62s)
Computing version for https://github.com/capturecontext/swift-keypath-mapping.git
Computed https://github.com/capturecontext/swift-keypath-mapping.git at 0.0.3 (0.94s)
Computing version for https://github.com/pointfreeco/swift-issue-reporting.git
Computed https://github.com/pointfreeco/swift-issue-reporting.git at 2.1.1 (0.38s)
Computing version for https://github.com/pointfreeco/swift-clocks
Computed https://github.com/pointfreeco/swift-clocks at 1.1.1 (0.18s)
Computing version for https://github.com/pointfreeco/combine-schedulers
Computed https://github.com/pointfreeco/combine-schedulers at 1.2.2 (0.20s)
Fetching https://github.com/OpenCombine/OpenCombine.git
[1/8306] Fetching opencombine
Fetched https://github.com/OpenCombine/OpenCombine.git (0.74s)
Computing version for https://github.com/OpenCombine/OpenCombine.git
Computed https://github.com/OpenCombine/OpenCombine.git at 0.14.0 (1.86s)
Computing version for https://github.com/pointfreeco/swift-concurrency-extras
Computed https://github.com/pointfreeco/swift-concurrency-extras at 1.4.1 (0.19s)
Computing version for https://github.com/swiftlang/swift-syntax
Computed https://github.com/swiftlang/swift-syntax at 604.0.0 (0.32s)
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/capturecontext/swift-marker-protocols.git
Working copy of https://github.com/capturecontext/swift-marker-protocols.git resolved at 1.5.3
Creating working copy for https://github.com/swiftlang/swift-syntax
Working copy of https://github.com/swiftlang/swift-syntax resolved at 604.0.0
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-concurrency-extras
Working copy of https://github.com/pointfreeco/swift-concurrency-extras resolved at 1.4.1
Creating working copy for https://github.com/pointfreeco/swift-custom-dump.git
Working copy of https://github.com/pointfreeco/swift-custom-dump.git resolved at 1.7.3
Creating working copy for https://github.com/pointfreeco/swift-issue-reporting.git
Working copy of https://github.com/pointfreeco/swift-issue-reporting.git resolved at 2.1.1
Creating working copy for https://github.com/capturecontext/swift-keypaths-extensions.git
Working copy of https://github.com/capturecontext/swift-keypaths-extensions.git resolved at 0.2.2
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/pointfreeco/swift-dependencies.git
Working copy of https://github.com/pointfreeco/swift-dependencies.git resolved at 1.17.1
Creating working copy for https://github.com/capturecontext/swift-keypath-mapping.git
Working copy of https://github.com/capturecontext/swift-keypath-mapping.git resolved at 0.0.3
Building for debugging...
[Computing dependencies]
[Pre-planning 1 / 453]
[Planning deferred tasks]
[103 / 196] ConcurrencyExtras
[106 / 214] IssueReporting
[108 / 223] COpenCombineHelpers
[113 / 223] ConcurrencyExtras
[116 / 223] OpenCombine
[127 / 223] OpenCombine
[128 / 223] IssueReporting
[135 / 223] OpenCombine
[137 / 224] SwiftMarkerProtocols
[138 / 224] OpenCombine
[139 / 224] SwiftMarkerProtocols
[140 / 224] KeyPathMapping
[141 / 224] IssueReporting-product
[142 / 224] IssueReporting-product
[143 / 224] IssueReporting-product
[145 / 224] IssueReporting
[147 / 224] ConcurrencyExtras
[150 / 224] ConcurrencyExtras
[154 / 225] OpenCombine
[164 / 232]
[172 / 260] OpenCombineFoundation
[173 / 260] Clocks
[184 / 260] OpenCombineFoundation
[185 / 260] KeyPathMapping
[187 / 261] KeyPathMapping
[193 / 261] KeyPathMapping
[194 / 261] OpenCombineDispatch
[201 / 261] OpenCombineFoundation
[202 / 261] OpenCombineShim
[204 / 261] KeyPathMapping-product
[205 / 261] KeyPathsExtensions
[206 / 261] KeyPathsExtensions
[210 / 262] OpenCombineFoundation
[215 / 262] Clocks-product
[219 / 262]
[225 / 271] KeyPathMapping
[230 / 272]
[251 / 284] OpenCombineDispatch
[255 / 284] OpenCombineFoundation
[257 / 285] KeyPathsExtensions
[258 / 285] CombineSchedulers
[269 / 286] CombineSchedulers
[278 / 296] Dependencies
[279 / 296] CombineSchedulers
[281 / 296] Dependencies
[287 / 297] Dependencies
[299 / 307] Snippets
[304 / 307] Snippets
Abort: function getMangledName at IRGenDebugInfo.cpp:1112
Failed to reconstruct type for $s8Snippets14SnippetBuilderO16buildFinalResultyQrqd__6OutputAA0B0PQyd__RszAaFRd__lFZQOyAeGQz_AC0D12PartialBlock5firstQrqd___tAHRszAaFRd__lFZQOyAI_AC0D10ExpressionyQrAaF_pxAIRS_XPFZQOyAI_Qo_Qo_Qo_D
Original type:
(opaque_type address=0x5c7844c8c858 conforms_to="Snippets.(file).Snippet@/host/spi-builder-workspace/Sources/Snippets/Snippet.swift:50:17" decl="Snippets.(file).SnippetBuilder.buildFinalResult@/host/spi-builder-workspace/Sources/Snippets/Snippet/SnippetBuilder.swift:127:21"
  (interface_type=generic_type_param_type depth=2 index=0 param_kind=type)
  (substitution_map generic_signature=<τ_0_0, τ_1_0 where τ_0_0 == τ_1_0.Output, τ_1_0 : Snippet>
    (substitution τ_0_0 ->
      (dependent_member_type assoc_type="Snippets.(file).Snippet.Output@/host/spi-builder-workspace/Sources/Snippets/Snippet.swift:56:17"
        (base=generic_type_param_type depth=0 index=0 param_kind=type)))
    (substitution τ_1_0 ->
      (opaque_type address=0x5c7844c8c4a8 conforms_to="Snippets.(file).Snippet@/host/spi-builder-workspace/Sources/Snippets/Snippet.swift:50:17" decl="Snippets.(file).SnippetBuilder.buildPartialBlock(first:)@/host/spi-builder-workspace/Sources/Snippets/Snippet/SnippetBuilder.swift:9:21"
        (interface_type=generic_type_param_type depth=2 index=0 param_kind=type)
        (substitution_map generic_signature=<τ_0_0, τ_1_0 where τ_0_0 == τ_1_0.Output, τ_1_0 : Snippet>
          (substitution τ_0_0 ->
            (dependent_member_type assoc_type="Snippets.(file).Snippet.Output@/host/spi-builder-workspace/Sources/Snippets/Snippet.swift:56:17"
              (base=generic_type_param_type depth=0 index=0 param_kind=type)))
          (substitution τ_1_0 ->
            (opaque_type address=0x5c7844c8c2e0 conforms_to="Snippets.(file).Snippet@/host/spi-builder-workspace/Sources/Snippets/Snippet.swift:50:17" decl="Snippets.(file).SnippetBuilder.buildExpression@/host/spi-builder-workspace/Sources/Snippets/Snippet/SnippetBuilder.swift:76:21"
              (interface_type=generic_type_param_type depth=1 index=0 param_kind=type)
              (substitution_map generic_signature=<τ_0_0 where τ_0_0 : SnippetRepresentableLiteral>
                (substitution τ_0_0 ->
                  (dependent_member_type assoc_type="Snippets.(file).Snippet.Output@/host/spi-builder-workspace/Sources/Snippets/Snippet.swift:56:17"
                    (base=generic_type_param_type depth=0 index=0 param_kind=type)))))))))))
Generic signature: <τ_0_0 where τ_0_0 : SnippetExpressibleByLiteral>
Please submit a bug report (https://swift.org/contributing/#reporting-bugs) and include the crash backtrace.
Pass '-Xfrontend -disable-round-trip-debug-types' to disable this assertion.
Please submit a bug report (https://swift.org/contributing/#reporting-bugs) and include the crash backtrace.
Stack dump:
0.	Program arguments: /root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/bin/swift-frontend -frontend -c /host/spi-builder-workspace/Sources/Snippets/Convenience/Snippets.Const+Defaults.swift /host/spi-builder-workspace/Sources/Snippets/DefaultConformances/Array+SnippetRepresentable.swift /host/spi-builder-workspace/Sources/Snippets/DefaultConformances/Data+SnippetRepresentable.swift /host/spi-builder-workspace/Sources/Snippets/DefaultConformances/Optional+SnippetRepresentable.swift /host/spi-builder-workspace/Sources/Snippets/DefaultConformances/String+SnippetRepresentable.swift /host/spi-builder-workspace/Sources/Snippets/DefaultConformances/Substring+SnippetRepresentable.swift /host/spi-builder-workspace/Sources/Snippets/Environment/CollectPreprocessor/Environment+CollectPreprocessor.swift /host/spi-builder-workspace/Sources/Snippets/Environment/CurrentSeparator/Environment+CurrentSeparator.swift /host/spi-builder-workspace/Sources/Snippets/Environment/SnippetEnvironment.swift /host/spi-builder-workspace/Sources/Snippets/ExpressibleByLiteral/ExpressibleByStringLiteral.swift /host/spi-builder-workspace/Sources/Snippets/ExpressibleByLiteral/SnippetExpressibleByLiteral.swift /host/spi-builder-workspace/Sources/Snippets/Helpers/unckeckedSendable.swift /host/spi-builder-workspace/Sources/Snippets/Snippet.swift /host/spi-builder-workspace/Sources/Snippets/Snippet/SnippetBuilder.swift /host/spi-builder-workspace/Sources/Snippets/Snippet/Snippets/AnySnippet.swift -primary-file /host/spi-builder-workspace/Sources/Snippets/Snippet/Snippets/Snippets+Append.swift -primary-file /host/spi-builder-workspace/Sources/Snippets/Snippet/Snippets/Snippets+Bracket.swift -primary-file /host/spi-builder-workspace/Sources/Snippets/Snippet/Snippets/Snippets+Const.swift /host/spi-builder-workspace/Sources/Snippets/Snippet/Snippets/Snippets+ForEach.swift /host/spi-builder-workspace/Sources/Snippets/Snippet/Snippets/Snippets+Group.swift /host/spi-builder-workspace/Sources/Snippets/Snippet/Snippets/Snippets+Inline.swift /host/spi-builder-workspace/Sources/Snippets/Snippet/Snippets/Snippets+Join.swift /host/spi-builder-workspace/Sources/Snippets/Snippet/Snippets/Snippets+Mapping.swift /host/spi-builder-workspace/Sources/Snippets/Snippet/Snippets/Snippets+SkipEmpty.swift /host/spi-builder-workspace/Sources/Snippets/Snippet/Snippets/Snippets+UnsafeSendable.swift /host/spi-builder-workspace/Sources/Snippets/SnippetRepresentable.swift /host/spi-builder-workspace/Sources/Snippets/Snippets.swift -supplementary-output-file-map /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-snippets.build/Debug-android-aarch64/Snippets-t.build/Objects-normal/aarch64/supplementaryOutputs-35 -target aarch64-unknown-linux-android28 -Xllvm -aarch64-use-tbi -disable-objc-interop -sdk /android-ndk/android-ndk-r27d/toolchains/llvm/prebuilt/linux-x86_64/sysroot -sysroot /android-ndk/android-ndk-r27d/toolchains/llvm/prebuilt/linux-x86_64/sysroot -I /host/spi-builder-workspace/.build/out/Products/Debug-android-aarch64 -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 6 -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 /root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/lib/swift/host/plugins/testing#/root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/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_android.artifactbundle/swift-android/swift-resources/usr/lib/swift-aarch64 -enable-anonymous-context-mangled-names -file-compilation-dir /host -Xcc -resource-dir -Xcc /android-ndk/android-ndk-r27d/toolchains/llvm/prebuilt/linux-x86_64/lib/clang/18 -Xcc -fmodule-map-file=/host/spi-builder-workspace/.build/out/Intermediates.noindex/GeneratedModuleMaps-android-aarch64/COpenCombineHelpers.modulemap -Xcc -fno-omit-frame-pointer -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/checkouts/OpenCombine/Sources/COpenCombineHelpers/include -Xcc -I/host/spi-builder-workspace/.build/out/Products/Debug-android-aarch64/include -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-snippets.build/Debug-android-aarch64/Snippets-t.build/DerivedSources-normal/aarch64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-snippets.build/Debug-android-aarch64/Snippets-t.build/DerivedSources/aarch64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-snippets.build/Debug-android-aarch64/Snippets-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG=1 -no-auto-bridging-header-chaining -module-name Snippets -package-name spi_builder_workspace -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-snippets.build/Debug-android-aarch64/Snippets-t.build/Objects-normal/aarch64/Snippets_const_extract_protocols.json -in-process-plugin-server-path /root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/lib/swift/host/libSwiftInProcPluginServer.so -plugin-path /root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/lib/swift/host/plugins -plugin-path /root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/local/lib/swift/host/plugins -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-snippets.build/Debug-android-aarch64/Snippets-t.build/Objects-normal/aarch64/Snippets+Append.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-snippets.build/Debug-android-aarch64/Snippets-t.build/Objects-normal/aarch64/Snippets+Bracket.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-snippets.build/Debug-android-aarch64/Snippets-t.build/Objects-normal/aarch64/Snippets+Const.o -index-unit-output-path /swift-snippets.build/Debug-android-aarch64/Snippets-t.build/Objects-normal/aarch64/Snippets+Append.o -index-unit-output-path /swift-snippets.build/Debug-android-aarch64/Snippets-t.build/Objects-normal/aarch64/Snippets+Bracket.o -index-unit-output-path /swift-snippets.build/Debug-android-aarch64/Snippets-t.build/Objects-normal/aarch64/Snippets+Const.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
1.	Swift version 6.4.2-dev (LLVM 15622a86b1749a9, Swift d2e983b81b18217)
2.	Compiling with the current language version
3.	While evaluating request IRGenRequest(IR Generation for file "/host/spi-builder-workspace/Sources/Snippets/Snippet/Snippets/Snippets+Append.swift")
4.	While emitting IR SIL function "@$s8Snippets27SnippetExpressibleByLiteralPAAE8suffixed4withxx_tFAA0B7BuilderO16buildFinalResultyQrqd__6OutputQyd__RszAA0B0Rd__lFZQOyAIQz_AG0I12PartialBlock5firstQrqd___tAJRszAaKRd__lFZQOyAL_AG0I10ExpressionyQrAaK_pxALRS_XPFZQOyAL_Qo_Qo_Qo_yXEfU_".
 for expression at [/host/spi-builder-workspace/Sources/Snippets/Snippet/Snippets/Snippets+Append.swift:56:51 - line:56:60] RangeText="{ suffix "
5.	Abort: function getMangledName at IRGenDebugInfo.cpp:1112
| 	Failed to reconstruct type for $s8Snippets14SnippetBuilderO16buildFinalResultyQrqd__6OutputAA0B0PQyd__RszAaFRd__lFZQOyAeGQz_AC0D12PartialBlock5firstQrqd___tAHRszAaFRd__lFZQOyAI_AC0D10ExpressionyQrAaF_pxAIRS_XPFZQOyAI_Qo_Qo_Qo_D
| 	Original type:
| 	(opaque_type address=0x5c7844c8c858 conforms_to="Snippets.(file).Snippet@/host/spi-builder-workspace/Sources/Snippets/Snippet.swift:50:17" decl="Snippets.(file).SnippetBuilder.buildFinalResult@/host/spi-builder-workspace/Sources/Snippets/Snippet/SnippetBuilder.swift:127:21"
| 	  (interface_type=generic_type_param_type depth=2 index=0 param_kind=type)
| 	  (substitution_map generic_signature=<τ_0_0, τ_1_0 where τ_0_0 == τ_1_0.Output, τ_1_0 : Snippet>
| 	    (substitution τ_0_0 ->
| 	      (dependent_member_type assoc_type="Snippets.(file).Snippet.Output@/host/spi-builder-workspace/Sources/Snippets/Snippet.swift:56:17"
| 	        (base=generic_type_param_type depth=0 index=0 param_kind=type)))
| 	    (substitution τ_1_0 ->
| 	      (opaque_type address=0x5c7844c8c4a8 conforms_to="Snippets.(file).Snippet@/host/spi-builder-workspace/Sources/Snippets/Snippet.swift:50:17" decl="Snippets.(file).SnippetBuilder.buildPartialBlock(first:)@/host/spi-builder-workspace/Sources/Snippets/Snippet/SnippetBuilder.swift:9:21"
| 	        (interface_type=generic_type_param_type depth=2 index=0 param_kind=type)
| 	        (substitution_map generic_signature=<τ_0_0, τ_1_0 where τ_0_0 == τ_1_0.Output, τ_1_0 : Snippet>
| 	          (substitution τ_0_0 ->
| 	            (dependent_member_type assoc_type="Snippets.(file).Snippet.Output@/host/spi-builder-workspace/Sources/Snippets/Snippet.swift:56:17"
| 	              (base=generic_type_param_type depth=0 index=0 param_kind=type)))
| 	          (substitution τ_1_0 ->
| 	            (opaque_type address=0x5c7844c8c2e0 conforms_to="Snippets.(file).Snippet@/host/spi-builder-workspace/Sources/Snippets/Snippet.swift:50:17" decl="Snippets.(file).SnippetBuilder.buildExpression@/host/spi-builder-workspace/Sources/Snippets/Snippet/SnippetBuilder.swift:76:21"
| 	              (interface_type=generic_type_param_type depth=1 index=0 param_kind=type)
| 	              (substitution_map generic_signature=<τ_0_0 where τ_0_0 : SnippetRepresentableLiteral>
| 	                (substitution τ_0_0 ->
| 	                  (dependent_member_type assoc_type="Snippets.(file).Snippet.Output@/host/spi-builder-workspace/Sources/Snippets/Snippet.swift:56:17"
| 	                    (base=generic_type_param_type depth=0 index=0 param_kind=type)))))))))))
| 	Generic signature: <τ_0_0 where τ_0_0 : SnippetExpressibleByLiteral>
| 	Please submit a bug report (https://swift.org/contributing/#reporting-bugs) and include the crash backtrace.
| 	Pass '-Xfrontend -disable-round-trip-debug-types' to disable this assertion.
 #0 0x00005c783b3c6d98 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/bin/swift-frontend+0x8bb1d98)
 #1 0x00005c783b3c4585 llvm::sys::RunSignalHandlers() (/root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/bin/swift-frontend+0x8baf585)
 #2 0x00005c783b3c7b41 SignalHandler(int, siginfo_t*, void*) Signals.cpp:0:0
 #3 0x0000799952540520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
 #4 0x00007999525949bc pthread_kill (/lib/x86_64-linux-gnu/libc.so.6+0x969bc)
 #5 0x0000799952540476 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x42476)
 #6 0x00007999525267f3 abort (/lib/x86_64-linux-gnu/libc.so.6+0x287f3)
 #7 0x00005c78355102a2 (/root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/bin/swift-frontend+0x2cfb2a2)
 #8 0x00005c783551038c (/root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/bin/swift-frontend+0x2cfb38c)
 #9 0x00005c7833a16d97 (anonymous namespace)::IRGenDebugInfoImpl::getMangledName(swift::irgen::DebugTypeInfo) IRGenDebugInfo.cpp:0:0
#10 0x00005c7833a1253f (anonymous namespace)::IRGenDebugInfoImpl::getOrCreateType(swift::irgen::DebugTypeInfo, llvm::DIScope*) IRGenDebugInfo.cpp:0:0
#11 0x00005c7833a1377b (anonymous namespace)::IRGenDebugInfoImpl::createParameterTypes(swift::CanTypeWrapper<swift::SILFunctionType>) IRGenDebugInfo.cpp:0:0
#12 0x00005c7833a0a9a8 (anonymous namespace)::IRGenDebugInfoImpl::emitFunction(swift::SILDebugScope const*, llvm::Function*, swift::SILFunctionTypeRepresentation, swift::SILType, swift::DeclContext*, llvm::StringRef) IRGenDebugInfo.cpp:0:0
#13 0x00005c7833a0b6ff (anonymous namespace)::IRGenDebugInfoImpl::emitFunction(swift::SILFunction&, llvm::Function*) IRGenDebugInfo.cpp:0:0
#14 0x00005c7833a2c701 (anonymous namespace)::IRGenSILFunction::emitSILFunction() IRGenSIL.cpp:0:0
#15 0x00005c7833a2baf3 swift::irgen::IRGenModule::emitSILFunction(swift::SILFunction*) (/root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/bin/swift-frontend+0x1216af3)
#16 0x00005c78338c0c6b swift::irgen::IRGenerator::emitLazyDefinitions() (/root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/bin/swift-frontend+0x10abc6b)
#17 0x00005c783372a1cc swift::IRGenRequest::evaluate(swift::Evaluator&, swift::IRGenDescriptor) const (/root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/bin/swift-frontend+0xf151cc)
#18 0x00005c78337a00e2 swift::GeneratedModule swift::SimpleRequest<swift::IRGenRequest, swift::GeneratedModule (swift::IRGenDescriptor), (swift::RequestFlags)17>::callDerived<0ul>(swift::Evaluator&, std::integer_sequence<unsigned long, 0ul>) const crtstuff.c:0:0
#19 0x00005c783379ffb9 swift::SimpleRequest<swift::IRGenRequest, swift::GeneratedModule (swift::IRGenDescriptor), (swift::RequestFlags)17>::evaluateRequest(swift::IRGenRequest const&, swift::Evaluator&) crtstuff.c:0:0
#20 0x00005c7832f7003c swift::IRGenRequest::OutputType swift::Evaluator::getResultUncached<swift::IRGenRequest, swift::IRGenRequest::OutputType swift::evaluateOrFatal<swift::IRGenRequest>(swift::Evaluator&, swift::IRGenRequest)::'lambda'()>(swift::IRGenRequest const&, swift::IRGenRequest::OutputType swift::evaluateOrFatal<swift::IRGenRequest>(swift::Evaluator&, swift::IRGenRequest)::'lambda'()) crtstuff.c:0:0
#21 0x00005c783372df3d swift::performIRGeneration(swift::FileUnit*, swift::IRGenOptions const&, swift::TBDGenOptions const&, std::unique_ptr<swift::SILModule, std::default_delete<swift::SILModule>>, llvm::StringRef, swift::PrimarySpecificPaths const&, std::shared_ptr<llvm::cas::ObjectStore>, llvm::StringRef, llvm::GlobalVariable**, swift::cas::SwiftCASOutputBackend*, std::optional<llvm::cas::ObjectRef>) (/root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/bin/swift-frontend+0xf18f3d)
#22 0x00005c7833234e15 generateIR(swift::IRGenOptions const&, swift::TBDGenOptions const&, std::unique_ptr<swift::SILModule, std::default_delete<swift::SILModule>>, swift::PrimarySpecificPaths const&, std::shared_ptr<llvm::cas::ObjectStore>, swift::cas::SwiftCASOutputBackend*, llvm::StringRef, llvm::PointerUnion<swift::ModuleDecl*, swift::SourceFile*>, llvm::GlobalVariable*&, llvm::ArrayRef<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>>>, llvm::ArrayRef<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>>>, std::optional<llvm::cas::ObjectRef>) FrontendTool.cpp:0:0
#23 0x00005c783322d86f performCompileStepsPostSILGen(swift::CompilerInstance&, std::unique_ptr<swift::SILModule, std::default_delete<swift::SILModule>>, llvm::PointerUnion<swift::ModuleDecl*, swift::SourceFile*>, swift::PrimarySpecificPaths const&, int&, swift::FrontendObserver*, llvm::ArrayRef<char const*>, llvm::ArrayRef<swift::PrimarySpecificPaths>) FrontendTool.cpp:0:0
#24 0x00005c783322bc4f swift::performCompileStepsPostSema(swift::CompilerInstance&, int&, swift::FrontendObserver*, llvm::ArrayRef<char const*>) (/root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/bin/swift-frontend+0xa16c4f)
#25 0x00005c7833243fda withSemanticAnalysis(swift::CompilerInstance&, swift::FrontendObserver*, llvm::function_ref<bool (swift::CompilerInstance&)>, bool) FrontendTool.cpp:0:0
#26 0x00005c7833231aa9 performCompile(swift::CompilerInstance&, int&, swift::FrontendObserver*, llvm::ArrayRef<char const*>) FrontendTool.cpp:0:0
#27 0x00005c783322e6ee swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) (/root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/bin/swift-frontend+0xa196ee)
#28 0x00005c7832f46ba8 swift::mainEntry(int, char const**) (/root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/bin/swift-frontend+0x731ba8)
#29 0x0000799952527d90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90)
#30 0x0000799952527e40 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e40)
#31 0x00005c7832f45a65 _start (/root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/bin/swift-frontend+0x730a65)
*** Signal 6: Backtracing from 0x79995261c9dd... done ***
*** Program crashed: Aborted at 0x000079995261c9dd ***
Platform: x86_64 Linux (Ubuntu 22.04.5 LTS)
Thread 0 "swift-frontend" crashed:
0  0x000079995261c9dd <unknown> in libc.so.6
Registers:
rax 0x0000000000000000  0
rdx 0x0000000000000006  6
rcx 0x000079995261c9dd  48 3d 01 f0 ff ff 73 01 c3 48 8b 0d 23 b4 0f 00  H=·ðÿÿs·ÃH··#´··
rbx 0x0000000000000006  6
rsi 0x0000000000000929  2345
rdi 0x0000000000000929  2345
rbp 0x0000000000000929  2345
rsp 0x00005c7843668128  6b 7b 3c 3b 78 5c 00 00 b0 83 66 43 78 5c 00 00  k{<;x\··°·fCx\··
 r8 0x00005c78436683b0  06 00 00 00 00 00 00 00 fa ff ff ff 00 00 00 00  ········úÿÿÿ····
 r9 0x00005c78436683b0  06 00 00 00 00 00 00 00 fa ff ff ff 00 00 00 00  ········úÿÿÿ····
r10 0x00005c78436683b0  06 00 00 00 00 00 00 00 fa ff ff ff 00 00 00 00  ········úÿÿÿ····
r11 0x0000000000000246  582
r12 0x0000000000000006  6
r13 0x0000000000000016  22
r14 0x0000000000000000  0
r15 0x00005c78436681c8  ff ff ff 7f fe ff ff ff 00 00 00 00 00 00 00 00  ÿÿÿ·þÿÿÿ········
rip 0x000079995261c9dd  48 3d 01 f0 ff ff 73 01 c3 48 8b 0d 23 b4 0f 00  H=·ðÿÿs·ÃH··#´··
rflags 0x0000000000000246  ZF PF
cs 0x0033  fs 0x0000  gs 0x0000
Images (111 omitted):
0x00007999524fe000–0x00007999526ba401 6a6cb5a80fd5e5bb5bf3aeaa111add98e88843a5 libc.so.6 /usr/lib/x86_64-linux-gnu/libc.so.6
Backtrace took 0.00s
Failed frontend command:
/root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/bin/swift-frontend -frontend -c /host/spi-builder-workspace/Sources/Snippets/Convenience/Snippets.Const+Defaults.swift /host/spi-builder-workspace/Sources/Snippets/DefaultConformances/Array+SnippetRepresentable.swift /host/spi-builder-workspace/Sources/Snippets/DefaultConformances/Data+SnippetRepresentable.swift /host/spi-builder-workspace/Sources/Snippets/DefaultConformances/Optional+SnippetRepresentable.swift /host/spi-builder-workspace/Sources/Snippets/DefaultConformances/String+SnippetRepresentable.swift /host/spi-builder-workspace/Sources/Snippets/DefaultConformances/Substring+SnippetRepresentable.swift /host/spi-builder-workspace/Sources/Snippets/Environment/CollectPreprocessor/Environment+CollectPreprocessor.swift /host/spi-builder-workspace/Sources/Snippets/Environment/CurrentSeparator/Environment+CurrentSeparator.swift /host/spi-builder-workspace/Sources/Snippets/Environment/SnippetEnvironment.swift /host/spi-builder-workspace/Sources/Snippets/ExpressibleByLiteral/ExpressibleByStringLiteral.swift /host/spi-builder-workspace/Sources/Snippets/ExpressibleByLiteral/SnippetExpressibleByLiteral.swift /host/spi-builder-workspace/Sources/Snippets/Helpers/unckeckedSendable.swift /host/spi-builder-workspace/Sources/Snippets/Snippet.swift /host/spi-builder-workspace/Sources/Snippets/Snippet/SnippetBuilder.swift /host/spi-builder-workspace/Sources/Snippets/Snippet/Snippets/AnySnippet.swift -primary-file /host/spi-builder-workspace/Sources/Snippets/Snippet/Snippets/Snippets+Append.swift -primary-file /host/spi-builder-workspace/Sources/Snippets/Snippet/Snippets/Snippets+Bracket.swift -primary-file /host/spi-builder-workspace/Sources/Snippets/Snippet/Snippets/Snippets+Const.swift /host/spi-builder-workspace/Sources/Snippets/Snippet/Snippets/Snippets+ForEach.swift /host/spi-builder-workspace/Sources/Snippets/Snippet/Snippets/Snippets+Group.swift /host/spi-builder-workspace/Sources/Snippets/Snippet/Snippets/Snippets+Inline.swift /host/spi-builder-workspace/Sources/Snippets/Snippet/Snippets/Snippets+Join.swift /host/spi-builder-workspace/Sources/Snippets/Snippet/Snippets/Snippets+Mapping.swift /host/spi-builder-workspace/Sources/Snippets/Snippet/Snippets/Snippets+SkipEmpty.swift /host/spi-builder-workspace/Sources/Snippets/Snippet/Snippets/Snippets+UnsafeSendable.swift /host/spi-builder-workspace/Sources/Snippets/SnippetRepresentable.swift /host/spi-builder-workspace/Sources/Snippets/Snippets.swift -supplementary-output-file-map /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-snippets.build/Debug-android-aarch64/Snippets-t.build/Objects-normal/aarch64/supplementaryOutputs-35 -target aarch64-unknown-linux-android28 -Xllvm -aarch64-use-tbi -disable-objc-interop -sdk /android-ndk/android-ndk-r27d/toolchains/llvm/prebuilt/linux-x86_64/sysroot -sysroot /android-ndk/android-ndk-r27d/toolchains/llvm/prebuilt/linux-x86_64/sysroot -I /host/spi-builder-workspace/.build/out/Products/Debug-android-aarch64 -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 6 -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 /root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/lib/swift/host/plugins/testing\#/root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/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_android.artifactbundle/swift-android/swift-resources/usr/lib/swift-aarch64 -enable-anonymous-context-mangled-names -file-compilation-dir /host -Xcc -resource-dir -Xcc /android-ndk/android-ndk-r27d/toolchains/llvm/prebuilt/linux-x86_64/lib/clang/18 -Xcc -fmodule-map-file\=/host/spi-builder-workspace/.build/out/Intermediates.noindex/GeneratedModuleMaps-android-aarch64/COpenCombineHelpers.modulemap -Xcc -fno-omit-frame-pointer -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/checkouts/OpenCombine/Sources/COpenCombineHelpers/include -Xcc -I/host/spi-builder-workspace/.build/out/Products/Debug-android-aarch64/include -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-snippets.build/Debug-android-aarch64/Snippets-t.build/DerivedSources-normal/aarch64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-snippets.build/Debug-android-aarch64/Snippets-t.build/DerivedSources/aarch64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-snippets.build/Debug-android-aarch64/Snippets-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name Snippets -package-name spi_builder_workspace -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-snippets.build/Debug-android-aarch64/Snippets-t.build/Objects-normal/aarch64/Snippets_const_extract_protocols.json -in-process-plugin-server-path /root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/lib/swift/host/libSwiftInProcPluginServer.so -plugin-path /root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/lib/swift/host/plugins -plugin-path /root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/local/lib/swift/host/plugins -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-snippets.build/Debug-android-aarch64/Snippets-t.build/Objects-normal/aarch64/Snippets+Append.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-snippets.build/Debug-android-aarch64/Snippets-t.build/Objects-normal/aarch64/Snippets+Bracket.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-snippets.build/Debug-android-aarch64/Snippets-t.build/Objects-normal/aarch64/Snippets+Const.o -index-unit-output-path /swift-snippets.build/Debug-android-aarch64/Snippets-t.build/Objects-normal/aarch64/Snippets+Append.o -index-unit-output-path /swift-snippets.build/Debug-android-aarch64/Snippets-t.build/Objects-normal/aarch64/Snippets+Bracket.o -index-unit-output-path /swift-snippets.build/Debug-android-aarch64/Snippets-t.build/Objects-normal/aarch64/Snippets+Const.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 android