Swift Package Index

Build Information

Failed to build SwiftCheck, reference master (8ce569), with Swift 6.4 for Linux on 23 Sep 2026 05:22:00 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-54344844-1":/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/toastersocks/SwiftCheck.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/toastersocks/SwiftCheck
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 8ce569a Fix compatibility with older Swift compiler versions
Submodule path 'Carthage/Checkouts/FileCheck': checked out 'bd9cb30ceee1f21c02f51a7168f58471449807d8'
Submodule 'Carthage/Checkouts/FileCheck' (https://github.com/trill-lang/FileCheck.git) registered for path 'Carthage/Checkouts/FileCheck'
Cloning into '/host/spi-builder-workspace/Carthage/Checkouts/FileCheck'...
Cloned https://github.com/toastersocks/SwiftCheck.git
Revision (git rev-parse @):
8ce569ae88b7fef2f4e22bf99ec27a9412124ee3
SUCCESS checkout https://github.com/toastersocks/SwiftCheck.git at master
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.4
Building package at path:  $PWD
https://github.com/toastersocks/SwiftCheck.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344844-1":/host -w "$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/llvm-swift/FileCheck.git
[1/479] Fetching filecheck
Fetched https://github.com/llvm-swift/FileCheck.git (0.55s)
Computing version for https://github.com/llvm-swift/FileCheck.git
Computed https://github.com/llvm-swift/FileCheck.git at 0.2.6 (2.25s)
Fetching https://github.com/apple/swift-argument-parser
Fetching https://github.com/mxcl/Chalk.git
[1/18918] Fetching swift-argument-parser
[18919/19000] Fetching swift-argument-parser, chalk
Fetched https://github.com/apple/swift-argument-parser (1.01s)
[60/82] Fetching chalk
Fetched https://github.com/mxcl/Chalk.git (1.10s)
Computing version for https://github.com/mxcl/Chalk.git
Computed https://github.com/mxcl/Chalk.git at 0.5.0 (1.38s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.8.2 (0.25s)
Creating working copy for https://github.com/llvm-swift/FileCheck.git
Working copy of https://github.com/llvm-swift/FileCheck.git resolved at 0.2.6
Creating working copy for https://github.com/apple/swift-argument-parser
Working copy of https://github.com/apple/swift-argument-parser resolved at 1.8.2
Creating working copy for https://github.com/mxcl/Chalk.git
Working copy of https://github.com/mxcl/Chalk.git resolved at 0.5.0
Building for debugging...
[Pre-planning 1 / 66]
[Constructing 11 / 135]
[28 / 36] SwiftCheck
error: SwiftCompile normal x86_64 failed with a nonzero exit code. Command line:     cd /host

/host/spi-builder-workspace/Sources/SwiftCheck/Lattice.swift:111:13: error: var 'FLT_MAX' is not concurrency-safe because it is nonisolated global shared mutable state [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
109 |
110 | 	/// Maximum value of `Float`.
111 | 	public var FLT_MAX: Float = 3.40282347e+38
    |             |- error: var 'FLT_MAX' is not concurrency-safe because it is nonisolated global shared mutable state [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |             |- note: convert 'FLT_MAX' to a 'let' constant to make 'Sendable' shared state immutable
    |             |- note: add '@MainActor' to make var 'FLT_MAX' part of global actor 'MainActor'
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
112 | 	/// Minimum value of `Float`.
113 | 	public var FLT_MIN: Float = 1.17549435e-38
/host/spi-builder-workspace/Sources/SwiftCheck/Lattice.swift:113:13: error: var 'FLT_MIN' is not concurrency-safe because it is nonisolated global shared mutable state [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
111 | 	public var FLT_MAX: Float = 3.40282347e+38
112 | 	/// Minimum value of `Float`.
113 | 	public var FLT_MIN: Float = 1.17549435e-38
    |             |- error: var 'FLT_MIN' is not concurrency-safe because it is nonisolated global shared mutable state [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |             |- note: convert 'FLT_MIN' to a 'let' constant to make 'Sendable' shared state immutable
    |             |- note: add '@MainActor' to make var 'FLT_MIN' part of global actor 'MainActor'
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
114 |
115 | 	/// Maximum value of `Double`.
/host/spi-builder-workspace/Sources/SwiftCheck/Lattice.swift:116:13: error: var 'DBL_MAX' is not concurrency-safe because it is nonisolated global shared mutable state [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
114 |
115 | 	/// Maximum value of `Double`.
116 | 	public var DBL_MAX: Double = 1.7976931348623157e+308
    |             |- error: var 'DBL_MAX' is not concurrency-safe because it is nonisolated global shared mutable state [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |             |- note: convert 'DBL_MAX' to a 'let' constant to make 'Sendable' shared state immutable
    |             |- note: add '@MainActor' to make var 'DBL_MAX' part of global actor 'MainActor'
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
117 | 	/// Minimum value of `Double`.
118 | 	public var DBL_MIN: Double = 2.2250738585072014e-308
/host/spi-builder-workspace/Sources/SwiftCheck/Lattice.swift:118:13: error: var 'DBL_MIN' is not concurrency-safe because it is nonisolated global shared mutable state [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
116 | 	public var DBL_MAX: Double = 1.7976931348623157e+308
117 | 	/// Minimum value of `Double`.
118 | 	public var DBL_MIN: Double = 2.2250738585072014e-308
    |             |- error: var 'DBL_MIN' is not concurrency-safe because it is nonisolated global shared mutable state [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |             |- note: convert 'DBL_MIN' to a 'let' constant to make 'Sendable' shared state immutable
    |             |- note: add '@MainActor' to make var 'DBL_MIN' part of global actor 'MainActor'
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
119 | #else
120 | 	import Darwin
[#MutableGlobalVariable]: <https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable>
Failed frontend command:
/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /host/spi-builder-workspace/Sources/SwiftCheck/Arbitrary.swift /host/spi-builder-workspace/Sources/SwiftCheck/Cartesian.swift /host/spi-builder-workspace/Sources/SwiftCheck/Check.swift /host/spi-builder-workspace/Sources/SwiftCheck/CoArbitrary.swift /host/spi-builder-workspace/Sources/SwiftCheck/Compose.swift /host/spi-builder-workspace/Sources/SwiftCheck/Gen.swift /host/spi-builder-workspace/Sources/SwiftCheck/Lattice.swift /host/spi-builder-workspace/Sources/SwiftCheck/Modifiers.swift /host/spi-builder-workspace/Sources/SwiftCheck/Property.swift /host/spi-builder-workspace/Sources/SwiftCheck/Random.swift /host/spi-builder-workspace/Sources/SwiftCheck/Rose.swift /host/spi-builder-workspace/Sources/SwiftCheck/State.swift /host/spi-builder-workspace/Sources/SwiftCheck/Test.swift /host/spi-builder-workspace/Sources/SwiftCheck/Testable.swift /host/spi-builder-workspace/Sources/SwiftCheck/WitnessedArbitrary.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/SwiftCheck.build/Debug-linux-x86_64/SwiftCheck-t.build/DerivedSources-normal/x86_64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftCheck.build/Debug-linux-x86_64/SwiftCheck-t.build/DerivedSources/x86_64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftCheck.build/Debug-linux-x86_64/SwiftCheck-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name SwiftCheck -package-name spi_builder_workspace -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftCheck.build/Debug-linux-x86_64/SwiftCheck-t.build/Objects-normal/x86_64/SwiftCheck_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/SwiftCheck.build/Debug-linux-x86_64/SwiftCheck-t.build/Objects-normal/x86_64/Modules/SwiftCheck.swiftdoc -emit-module-source-info-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftCheck.build/Debug-linux-x86_64/SwiftCheck-t.build/Objects-normal/x86_64/Modules/SwiftCheck.swiftsourceinfo -emit-objc-header-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftCheck.build/Debug-linux-x86_64/SwiftCheck-t.build/Objects-normal/x86_64/SwiftCheck-Swift.h -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftCheck.build/Debug-linux-x86_64/SwiftCheck-t.build/Objects-normal/x86_64/SwiftCheck-primary-emit-module.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftCheck.build/Debug-linux-x86_64/SwiftCheck-t.build/Objects-normal/x86_64/SwiftCheck-primary-emit-module.d -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftCheck.build/Debug-linux-x86_64/SwiftCheck-t.build/Objects-normal/x86_64/Modules/SwiftCheck.swiftmodule
error: Build failed
BUILD FAILURE 6.4 linux