Stubby – Build Information – Swift Package Index

Build Information

Failed to build Stubby, reference main (888b26), with Swift 6.4 for Linux on 19 Sep 2026 17:33:07 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-54344847-1":/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:basic-6.4-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/bdbergeron/Stubby.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/bdbergeron/Stubby
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 888b26e Update to Swift 6, iOS 16, macOS 13 and improve concurrency safety (#15)
Cloned https://github.com/bdbergeron/Stubby.git
Revision (git rev-parse @):
888b26e2b4dac4731b6c23102480daf3a7ba2241
SUCCESS checkout https://github.com/bdbergeron/Stubby.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.4
Building package at path:  $PWD
https://github.com/bdbergeron/Stubby.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344847-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:basic-6.4-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:c77fcce225e223ac0fafed844619173fc6de8d62dd560eeb28db3182af6a282b
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:basic-6.4-latest
Fetching https://github.com/pointfreeco/swift-macro-testing
Fetching https://github.com/swiftlang/swift-docc-plugin
Fetching https://github.com/swiftlang/swift-syntax
[1/1002] Fetching swift-macro-testing
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Fetched https://github.com/swiftlang/swift-docc-plugin (0.56s)
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Fetched https://github.com/pointfreeco/swift-macro-testing (3.06s)
Fetched https://github.com/swiftlang/swift-syntax (3.08s)
Computing version for https://github.com/swiftlang/swift-docc-plugin
Computed https://github.com/swiftlang/swift-docc-plugin at 1.5.0 (4.15s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
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Fetched https://github.com/swiftlang/swift-docc-symbolkit (0.61s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (0.83s)
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
[1/16416] Fetching swift-snapshot-testing
Fetched https://github.com/pointfreeco/swift-snapshot-testing (1.99s)
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-snapshot-testing
Computed https://github.com/pointfreeco/swift-snapshot-testing at 1.19.5 (0.16s)
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Fetched https://github.com/pointfreeco/swift-custom-dump (0.92s)
Computing version for https://github.com/pointfreeco/swift-custom-dump
Computed https://github.com/pointfreeco/swift-custom-dump at 1.7.3 (1.11s)
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[1/6136] Fetching swift-issue-reporting
Fetched https://github.com/pointfreeco/swift-issue-reporting (1.19s)
Computing version for https://github.com/pointfreeco/swift-issue-reporting
Computed https://github.com/pointfreeco/swift-issue-reporting at 2.1.0 (2.28s)
Creating working copy for https://github.com/pointfreeco/swift-issue-reporting
Working copy of https://github.com/pointfreeco/swift-issue-reporting resolved at 2.1.0
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/pointfreeco/swift-snapshot-testing
Working copy of https://github.com/pointfreeco/swift-snapshot-testing resolved at 1.19.5
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/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-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-custom-dump
Working copy of https://github.com/pointfreeco/swift-custom-dump resolved at 1.7.3
Building for debugging...
[Computing dependencies]
[Constructing description]
[Pre-planning 1 / 649]
[Planning deferred tasks]
[19 / 261] SwiftSyntaxMacroExpansion
[145 / 281] _SwiftSyntaxCShims
error: SwiftCompile normal x86_64 failed with a nonzero exit code. Command line:     cd /host

/host/spi-builder-workspace/Sources/Stubby/URLSession+Stubbed.swift:4:8: [1;31merror: [1;39mno such module 'os'[0;0m
  [0;36m2 |[0;0m
  [0;36m3 |[0;0m import Foundation
  [0;36m4 |[0;0m import os
    [0;36m|[0;0m        `- [1;31merror: [1;39mno such module 'os'[0;0m
  [0;36m5 |[0;0m
  [0;36m6 |[0;0m extension URLSession {
Failed frontend command:
/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /host/spi-builder-workspace/Sources/Stubby/StubbyResponse.swift /host/spi-builder-workspace/Sources/Stubby/StubbyURLProtocol.swift /host/spi-builder-workspace/Sources/Stubby/URLSession+Stubbed.swift -target x86_64-unknown-linux-gnu -disable-objc-interop -I /host/spi-builder-workspace/.build/out/Products/Debug-linux-x86_64 -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 /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 -enable-anonymous-context-mangled-names -file-compilation-dir /host -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/out/Products/Debug-linux-x86_64/include -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Stubby.build/Debug-linux-x86_64/Stubby-t.build/DerivedSources-normal/x86_64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Stubby.build/Debug-linux-x86_64/Stubby-t.build/DerivedSources/x86_64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Stubby.build/Debug-linux-x86_64/Stubby-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name Stubby -package-name spi_builder_workspace -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/Stubby.build/Debug-linux-x86_64/Stubby-t.build/Objects-normal/x86_64/Stubby_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/Stubby.build/Debug-linux-x86_64/Stubby-t.build/Objects-normal/x86_64/Modules/Stubby.swiftdoc -emit-module-source-info-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Stubby.build/Debug-linux-x86_64/Stubby-t.build/Objects-normal/x86_64/Modules/Stubby.swiftsourceinfo -emit-objc-header-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Stubby.build/Debug-linux-x86_64/Stubby-t.build/Objects-normal/x86_64/Stubby-Swift.h -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Stubby.build/Debug-linux-x86_64/Stubby-t.build/Objects-normal/x86_64/Stubby-primary-emit-module.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Stubby.build/Debug-linux-x86_64/Stubby-t.build/Objects-normal/x86_64/Stubby-primary-emit-module.d -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/Stubby.build/Debug-linux-x86_64/Stubby-t.build/Objects-normal/x86_64/Modules/Stubby.swiftmodule
error: Build failed
BUILD FAILURE 6.4 linux