Swift Package IndexBuild Information
Failed to build swift-log-loki, reference main (3ce3f4), with Swift 6.1 for Wasm on 23 Mar 2026 17:41:54 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1Build Log
========================================
RunAll
========================================
Builder version: 4.69.2
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/lovetodream/swift-log-loki.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/lovetodream/swift-log-loki
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 3ce3f44 Prepare v2 release (#18)
Cloned https://github.com/lovetodream/swift-log-loki.git
Revision (git rev-parse @):
3ce3f444077cb31b06d86da540eecaaabaa31941
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/lovetodream/swift-log-loki.git at main
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.1
Building package at path: $PWD
https://github.com/lovetodream/swift-log-loki.git
https://github.com/lovetodream/swift-log-loki.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
"dependencies" : [
{
"identity" : "swift-log",
"requirement" : {
"range" : [
{
"lower_bound" : "1.0.0",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-log.git"
},
{
"identity" : "swift-docc-plugin",
"requirement" : {
"range" : [
{
"lower_bound" : "1.0.0",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-docc-plugin.git"
},
{
"identity" : "swift-protobuf",
"requirement" : {
"range" : [
{
"lower_bound" : "1.6.0",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-protobuf.git"
},
{
"identity" : "swift-snappy",
"requirement" : {
"range" : [
{
"lower_bound" : "1.0.0",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/lovetodream/swift-snappy.git"
},
{
"identity" : "async-http-client",
"requirement" : {
"range" : [
{
"lower_bound" : "1.0.0",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/swift-server/async-http-client.git"
},
{
"identity" : "swift-service-lifecycle",
"requirement" : {
"range" : [
{
"lower_bound" : "2.0.0",
"upper_bound" : "3.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/swift-server/swift-service-lifecycle.git"
}
],
"manifest_display_name" : "swift-log-loki",
"name" : "swift-log-loki",
"path" : "/host/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "15.0"
},
{
"name" : "ios",
"version" : "18.0"
},
{
"name" : "tvos",
"version" : "18.0"
},
{
"name" : "watchos",
"version" : "11.0"
},
{
"name" : "visionos",
"version" : "2.0"
}
],
"products" : [
{
"name" : "LoggingLoki",
"targets" : [
"LoggingLoki"
],
"type" : {
"library" : [
"automatic"
]
}
},
{
"name" : "BasicUsage",
"targets" : [
"BasicUsage"
],
"type" : {
"snippet" : null
}
}
],
"targets" : [
{
"c99name" : "LoggingLokiTests",
"module_type" : "SwiftTarget",
"name" : "LoggingLokiTests",
"path" : "Tests/LoggingLokiTests",
"sources" : [
"IntegrationTests.swift",
"LokiLogHandlerTests.swift",
"LokiLogProcessorConfigurationTests.swift",
"LokiLogProcessorTests.swift",
"MockClock.swift"
],
"target_dependencies" : [
"LoggingLoki"
],
"type" : "test"
},
{
"c99name" : "LoggingLoki",
"module_type" : "SwiftTarget",
"name" : "LoggingLoki",
"path" : "Sources/LoggingLoki",
"product_dependencies" : [
"Logging",
"SwiftProtobuf",
"Snappy",
"AsyncHTTPClient",
"ServiceLifecycle"
],
"product_memberships" : [
"LoggingLoki",
"BasicUsage"
],
"sources" : [
"Batch.swift",
"BatchEntry.swift",
"LokiLog.swift",
"LokiLogHandler.swift",
"LokiLogProcessor.swift",
"LokiRequest.swift",
"LokiStream.swift",
"LokiTransformer.swift",
"LokiTransport.swift",
"Proto/push.pb.swift",
"Utility/Timeout.swift"
],
"type" : "library"
},
{
"c99name" : "BasicUsage",
"module_type" : "SwiftTarget",
"name" : "BasicUsage",
"path" : "Snippets",
"product_memberships" : [
"BasicUsage"
],
"sources" : [
"BasicUsage.swift"
],
"target_dependencies" : [
"LoggingLoki"
],
"type" : "snippet"
}
],
"tools_version" : "6.0"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats 2>&1
wasm-6.1-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:a7b4552feb759c014e60bb7d16019351f72ce4b9f19dbbaa081e1f5551c90672
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest
Fetching https://github.com/apple/swift-log.git
Fetching https://github.com/apple/swift-protobuf.git
Fetching https://github.com/swift-server/swift-service-lifecycle.git
Fetching https://github.com/swift-server/async-http-client.git
Fetching https://github.com/apple/swift-docc-plugin.git
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[7479/69710] Fetching swift-log, swift-docc-plugin, swift-service-lifecycle, swift-protobuf, async-http-client
Fetched https://github.com/apple/swift-docc-plugin.git from cache (1.29s)
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Fetching https://github.com/lovetodream/swift-snappy.git
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Fetched https://github.com/apple/swift-protobuf.git from cache (12.03s)
Computing version for https://github.com/lovetodream/swift-snappy.git
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Fetching https://github.com/apple/swift-system
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Fetching https://github.com/swiftlang/swift-docc-symbolkit
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Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (1.16s)
Computing version for https://github.com/apple/swift-system
Computed https://github.com/apple/swift-system at 1.6.4 (0.73s)
Computing version for https://github.com/swift-server/swift-service-lifecycle.git
Computed https://github.com/swift-server/swift-service-lifecycle.git at 2.10.1 (0.58s)
Fetching https://github.com/apple/swift-async-algorithms.git
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Computing version for https://github.com/apple/swift-async-algorithms.git
Computed https://github.com/apple/swift-async-algorithms.git at 1.1.3 (1.15s)
Fetching https://github.com/apple/swift-collections.git
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Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.4.1 (2.79s)
Computing version for https://github.com/apple/swift-log.git
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Computed https://github.com/apple/swift-protobuf.git at 1.36.1 (0.66s)
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Fetching https://github.com/apple/swift-distributed-tracing.git
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[3013/34951] Fetching swift-nio-http2, swift-nio-transport-services, swift-distributed-tracing, swift-algorithms, swift-atomics, swift-nio-extras
Fetched https://github.com/apple/swift-atomics.git from cache (1.00s)
Fetching https://github.com/apple/swift-nio-ssl.git
[23717/33131] Fetching swift-nio-http2, swift-nio-transport-services, swift-distributed-tracing, swift-algorithms, swift-nio-extras
Fetched https://github.com/apple/swift-nio-extras.git from cache (1.28s)
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Fetched https://github.com/apple/swift-nio-transport-services.git from cache (3.19s)
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Computing version for https://github.com/apple/swift-distributed-tracing.git
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Computed https://github.com/apple/swift-nio-ssl.git at 2.36.1 (0.71s)
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Computed https://github.com/apple/swift-nio-extras.git at 1.33.0 (0.76s)
Fetching https://github.com/apple/swift-http-types.git
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Computed https://github.com/apple/swift-asn1.git at 1.6.0 (2.57s)
Computing version for https://github.com/apple/swift-certificates.git
Computed https://github.com/apple/swift-certificates.git at 1.18.0 (0.85s)
Fetching https://github.com/apple/swift-crypto.git
[1/17246] Fetching swift-crypto
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Computing version for https://github.com/apple/swift-http-structured-headers.git
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Creating working copy for https://github.com/apple/swift-certificates.git
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Creating working copy for https://github.com/apple/swift-collections.git
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Creating working copy for https://github.com/apple/swift-nio-http2.git
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Creating working copy for https://github.com/apple/swift-crypto.git
Working copy of https://github.com/apple/swift-crypto.git resolved at 4.3.0
Creating working copy for https://github.com/apple/swift-algorithms.git
Working copy of https://github.com/apple/swift-algorithms.git resolved at 1.2.1
Creating working copy for https://github.com/apple/swift-nio-ssl.git
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Creating working copy for https://github.com/apple/swift-async-algorithms.git
Working copy of https://github.com/apple/swift-async-algorithms.git resolved at 1.1.3
Creating working copy for https://github.com/apple/swift-system
Working copy of https://github.com/apple/swift-system resolved at 1.6.4
Creating working copy for https://github.com/apple/swift-atomics.git
Working copy of https://github.com/apple/swift-atomics.git resolved at 1.3.0
Creating working copy for https://github.com/apple/swift-http-types.git
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Creating working copy for https://github.com/swift-server/swift-service-lifecycle.git
Working copy of https://github.com/swift-server/swift-service-lifecycle.git resolved at 2.10.1
Creating working copy for https://github.com/apple/swift-docc-plugin.git
Working copy of https://github.com/apple/swift-docc-plugin.git resolved at 1.4.6
Creating working copy for https://github.com/apple/swift-protobuf.git
Working copy of https://github.com/apple/swift-protobuf.git resolved at 1.36.1
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/lovetodream/swift-snappy.git
Working copy of https://github.com/lovetodream/swift-snappy.git resolved at 1.0.0
Creating working copy for https://github.com/apple/swift-log.git
Working copy of https://github.com/apple/swift-log.git resolved at 1.10.1
Creating working copy for https://github.com/apple/swift-numerics.git
Working copy of https://github.com/apple/swift-numerics.git resolved at 1.1.1
Creating working copy for https://github.com/apple/swift-nio-extras.git
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Working copy of https://github.com/apple/swift-nio-transport-services.git resolved at 1.26.0
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[1/1] Compiling plugin SwiftProtobufPlugin
[2/2] Compiling plugin Swift-DocC Preview
[3/3] Compiling plugin Swift-DocC
Building for debugging...
/host/spi-builder-workspace/.build/checkouts/async-http-client/Sources/CAsyncHTTPClient/CAsyncHTTPClient.c:37:38: error: call to undeclared function 'strptime_l'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
37 | const char * firstNonProcessed = strptime_l(string, format, result, (locale_t)locale);
| ^
/host/spi-builder-workspace/.build/checkouts/async-http-client/Sources/CAsyncHTTPClient/CAsyncHTTPClient.c:37:38: note: did you mean 'strftime_l'?
/root/.swiftpm/swift-sdks/swift-wasm-6.1-RELEASE-wasm32-unknown-wasi.artifactbundle/6.1-RELEASE-wasm32-unknown-wasi/wasm32-unknown-wasi/WASI.sdk/include/wasm32-wasi/time.h:93:8: note: 'strftime_l' declared here
93 | size_t strftime_l (char * __restrict, size_t, const char * __restrict, const struct tm * __restrict, locale_t);
| ^
/host/spi-builder-workspace/.build/checkouts/async-http-client/Sources/CAsyncHTTPClient/CAsyncHTTPClient.c:37:18: error: incompatible integer to pointer conversion initializing 'const char *' with an expression of type 'int' [-Wint-conversion]
37 | const char * firstNonProcessed = strptime_l(string, format, result, (locale_t)locale);
| ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2 errors generated.
[3/508] Compiling CAsyncHTTPClient CAsyncHTTPClient.c
[3/508] Compiling c-nioatomics.c
[3/508] Compiling a_gentm.cc
[3/508] Compiling a_i2d_fp.cc
[3/508] Compiling a_dup.cc
[3/508] Compiling a_d2i_fp.cc
[3/508] Compiling c-atomics.c
[3/508] Write swift-version-24593BA9C3E375BF.txt
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1
wasm-6.1-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:a7b4552feb759c014e60bb7d16019351f72ce4b9f19dbbaa081e1f5551c90672
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest
[0/1] Planning build
[1/1] Compiling plugin SwiftProtobufPlugin
[2/2] Compiling plugin Swift-DocC Preview
[3/3] Compiling plugin Swift-DocC
Building for debugging...
[3/508] Write sources
[40/508] Compiling _CWASI _CWASI.c
[41/508] Compiling _NumericsShims _NumericsShims.c
[42/508] Compiling CSystem shims.c
[43/508] Compiling _AtomicsShims.c
[44/508] Compiling CNIOWindows shim.c
[45/508] Compiling CNIOWindows WSAStartup.c
[46/508] Compiling CNIOWASI CNIOWASI.c
[47/508] Compiling CNIOPosix event_loop_id.c
[48/508] Compiling CNIOLinux shim.c
[49/508] Compiling CNIOLinux liburing_shims.c
In file included from /host/spi-builder-workspace/.build/checkouts/swift-snappy/Sources/SnappyC/map.c:1:
/root/.swiftpm/swift-sdks/swift-wasm-6.1-RELEASE-wasm32-unknown-wasi.artifactbundle/6.1-RELEASE-wasm32-unknown-wasi/wasm32-unknown-wasi/WASI.sdk/include/wasm32-wasi/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"
2 | #error "WASI lacks a true mmap; to enable minimal mmap emulation, \
| ^
/host/spi-builder-workspace/.build/checkouts/swift-snappy/Sources/SnappyC/map.c:20:14: error: use of undeclared identifier 'PROT_READ'
20 | int prot = PROT_READ;
| ^
/host/spi-builder-workspace/.build/checkouts/swift-snappy/Sources/SnappyC/map.c:21:38: error: use of undeclared identifier 'MAP_PRIVATE'
21 | if ((oflags & O_WRONLY) || (flag & MAP_PRIVATE))
| ^
/host/spi-builder-workspace/.build/checkouts/swift-snappy/Sources/SnappyC/map.c:22:12: error: use of undeclared identifier 'PROT_WRITE'
22 | prot |= PROT_WRITE;
| ^
/host/spi-builder-workspace/.build/checkouts/swift-snappy/Sources/SnappyC/map.c:23:15: error: call to undeclared function 'mmap'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
23 | char *map = mmap(NULL, *size, prot,
| ^
/host/spi-builder-workspace/.build/checkouts/swift-snappy/Sources/SnappyC/map.c:23:9: error: incompatible integer to pointer conversion initializing 'char *' with an expression of type 'int' [-Wint-conversion]
23 | char *map = mmap(NULL, *size, prot,
| ^ ~~~~~~~~~~~~~~~~~~~~~~~
24 | flag,
| ~~~~~
25 | fd, 0);
| ~~~~~~
/host/spi-builder-workspace/.build/checkouts/swift-snappy/Sources/SnappyC/map.c:38:42: error: use of undeclared identifier 'MAP_SHARED'
38 | return mapfile_flag(file, oflags, size, MAP_SHARED);
| ^
/host/spi-builder-workspace/.build/checkouts/swift-snappy/Sources/SnappyC/map.c:44:2: error: call to undeclared function 'munmap'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
44 | munmap(map, roundup(size, ps));
| ^
8 errors generated.
[50/508] Compiling SnappyC map.c
[50/508] Compiling CNIOLLHTTP c_nio_llhttp.c
[50/508] Compiling CNIOExtrasZlib zutil.c
[50/508] Compiling CNIOOpenBSD shim.c
[50/508] Compiling SnappyC snappy.c
[50/508] Compiling CNIOLLHTTP c_nio_http.c
[50/508] Compiling CNIOLLHTTP c_nio_api.c
[50/508] Write swift-version-24593BA9C3E375BF.txt
BUILD FAILURE 6.1 wasm