swift-log-slack – Build Information

Build Information

Failed to build swift-log-slack, reference master (f7e57b), with Swift 6.4 for Wasm on 18 Sep 2026 11:52:25 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-54344847-0":/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

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/wlisac/swift-log-slack.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/wlisac/swift-log-slack
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at f7e57b7 Update message output in README
Cloned https://github.com/wlisac/swift-log-slack.git
Revision (git rev-parse @):
f7e57b7efb57ebfb7982ec3cd53116719327e844
SUCCESS checkout https://github.com/wlisac/swift-log-slack.git at master
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/wlisac/swift-log-slack.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344847-0":/host -w "$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
Fetching https://github.com/apple/swift-log.git
[1/8096] Fetching swift-log
Fetched https://github.com/apple/swift-log.git (0.64s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.15.1 (0.86s)
Creating working copy for https://github.com/apple/swift-log.git
Working copy of https://github.com/apple/swift-log.git resolved at 1.15.1
Building for debugging...
[Pre-planning 1 / 96]
[23 / 38] Logging
[32 / 47] Logging
[40 / 54] LoggingSlack
[43 / 54] LoggingSlack
[44 / 54] LoggingSlack
[44 / 54] Logging
error: SwiftCompile normal wasm32 failed with a nonzero exit code. Command line:     cd /host

[47 / 55] LoggingSlack
/host/spi-builder-workspace/Sources/LoggingSlack/SlackLogHandler.swift:21:58: [1;31merror: [1;39mtype 'URLSession' (aka 'AnyObject') has no member 'shared'[0;0m
 [0;36m19 |[0;0m
 [0;36m20 |[0;0m     /// Internal for testing only.
 [0;36m21 |[0;0m     internal var slackSession: SlackSession = [4;39mURLSession[0;0m.[4;39mshared[0;0m
    [0;36m|[0;0m                                                          `- [1;31merror: [1;39mtype 'URLSession' (aka 'AnyObject') has no member 'shared'[0;0m
 [0;36m22 |[0;0m
 [0;36m23 |[0;0m     /// The log label for the log handler.
/host/spi-builder-workspace/Sources/LoggingSlack/SlackLogHandler.swift:9:15: [1;33mwarning: [1;39mdeprecated default implementation is used to satisfy instance method 'log(event:)' required by protocol 'LogHandler': You should implement this method instead of using the default implementation[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
  [0;36m7 |[0;0m /// `SlackLogHandler` is an implementation of `LogHandler` for sending
  [0;36m8 |[0;0m /// `Logger` output directly to Slack.
  [0;36m9 |[0;0m public struct SlackLogHandler: LogHandler {
    [0;36m|[0;0m               `- [1;33mwarning: [1;39mdeprecated default implementation is used to satisfy instance method 'log(event:)' required by protocol 'LogHandler': You should implement this method instead of using the default implementation[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
 [0;36m10 |[0;0m     /// The global log level threshold that determines when to send log output to Slack.
 [0;36m11 |[0;0m     /// Defaults to `.critical`.
/host/spi-builder-workspace/.build/checkouts/swift-log/Sources/Logging/LogHandler.swift:249:17: [1;39mnote: [1;39m'log(event:)' declared here[0;0m
[0;36m136 |[0;0m     ///
[0;36m137 |[0;0m     /// - Parameter event: The log event containing the level, message, metadata, and source location.
[0;36m138 |[0;0m     func log(event: LogEvent)
    [0;36m|[0;0m          `- [1;39mnote: [1;39mrequirement 'log(event:)' declared here[0;0m
[0;36m139 |[0;0m
[0;36m140 |[0;0m     /// Please do _not_ implement this method when you create a `LogHandler` implementation.
    [0;36m:[0;0m
[0;36m247 |[0;0m     ///   Implement ``log(event:)`` in your ``LogHandler`` instead.
[0;36m248 |[0;0m     @available(*, deprecated, message: "You should implement this method instead of using the default implementation")
[0;36m249 |[0;0m     public func log(event: LogEvent) {
    [0;36m|[0;0m                 `- [1;39mnote: [1;39m'log(event:)' declared here[0;0m
[0;36m250 |[0;0m         self.log(
[0;36m251 |[0;0m             level: event.level,
/host/spi-builder-workspace/Sources/LoggingSlack/SlackSession.swift:15:1: [1;31merror: [1;39mnon-nominal type 'URLSession' (aka 'AnyObject') cannot be extended[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/nominal-types\NominalTypes]8;;\]
[0;36m13 |[0;0m }
[0;36m14 |[0;0m
[0;36m15 |[0;0m extension [4;39mURLSession[0;0m: SlackSession {
   [0;36m|[0;0m `- [1;31merror: [1;39mnon-nominal type 'URLSession' (aka 'AnyObject') cannot be extended[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/nominal-types\NominalTypes]8;;\]
[0;36m16 |[0;0m     func send(_ message: SlackMessage,
[0;36m17 |[0;0m               to webhookURL: URL,
[#DeprecatedDeclaration]: <https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration>
[#NominalTypes]: <https://docs.swift.org/compiler/documentation/diagnostics/nominal-types>
Failed frontend command:
/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /host/spi-builder-workspace/Sources/LoggingSlack/ColorScheme.swift /host/spi-builder-workspace/Sources/LoggingSlack/Icon.swift /host/spi-builder-workspace/Sources/LoggingSlack/SlackLogHandler.swift /host/spi-builder-workspace/Sources/LoggingSlack/SlackMessage.swift /host/spi-builder-workspace/Sources/LoggingSlack/SlackSession.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/swift-log-slack.build/Debug-webassembly-wasm32/LoggingSlack-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-log-slack.build/Debug-webassembly-wasm32/LoggingSlack-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-log-slack.build/Debug-webassembly-wasm32/LoggingSlack-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name LoggingSlack -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-log-slack.build/Debug-webassembly-wasm32/LoggingSlack-t.build/Objects-normal/wasm32/LoggingSlack_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/swift-log-slack.build/Debug-webassembly-wasm32/LoggingSlack-t.build/Objects-normal/wasm32/Modules/LoggingSlack.swiftdoc -emit-module-source-info-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-log-slack.build/Debug-webassembly-wasm32/LoggingSlack-t.build/Objects-normal/wasm32/Modules/LoggingSlack.swiftsourceinfo -emit-objc-header-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-log-slack.build/Debug-webassembly-wasm32/LoggingSlack-t.build/Objects-normal/wasm32/LoggingSlack-Swift.h -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-log-slack.build/Debug-webassembly-wasm32/LoggingSlack-t.build/Objects-normal/wasm32/LoggingSlack-primary-emit-module.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-log-slack.build/Debug-webassembly-wasm32/LoggingSlack-t.build/Objects-normal/wasm32/LoggingSlack-primary-emit-module.d -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-log-slack.build/Debug-webassembly-wasm32/LoggingSlack-t.build/Objects-normal/wasm32/Modules/LoggingSlack.swiftmodule
error: Build failed
BUILD FAILURE 6.4 wasm