Swift Package IndexBuild Information
Failed to build SwiftCheck, reference master (8ce569), with Swift 6.0 for Linux on 19 Oct 2025 09:51:48 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu 2>&1Build Log
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RunAll
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Builder version: 4.68.0
Interrupt handler set up.
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Checkout
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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
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Build
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Selected platform: linux
Swift version: 6.0
Building package at path: $PWD
https://github.com/toastersocks/SwiftCheck.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:046a2cda21bb64b2d09e6d52c84584e938ec1698de194871f3d7088597b2bb28
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
Fetching https://github.com/llvm-swift/FileCheck.git
[1/479] Fetching filecheck
Fetched https://github.com/llvm-swift/FileCheck.git from cache (0.22s)
Computing version for https://github.com/llvm-swift/FileCheck.git
Computed https://github.com/llvm-swift/FileCheck.git at 0.2.6 (2.43s)
Fetching https://github.com/apple/swift-argument-parser
Fetching https://github.com/mxcl/Chalk.git
[1/81] Fetching chalk
[82/16763] Fetching chalk, swift-argument-parser
Fetched https://github.com/mxcl/Chalk.git from cache (0.74s)
Fetched https://github.com/apple/swift-argument-parser from cache (0.75s)
Computing version for https://github.com/mxcl/Chalk.git
Computed https://github.com/mxcl/Chalk.git at 0.5.0 (0.71s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.6.2 (0.66s)
Creating working copy for https://github.com/mxcl/Chalk.git
Working copy of https://github.com/mxcl/Chalk.git resolved at 0.5.0
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 1.6.2
[1/1] Compiling plugin GenerateDoccReference
[2/2] Compiling plugin GenerateManual
Building for debugging...
[2/4] Write sources
[3/4] Write swift-version-24593BA9C3E375BF.txt
[5/19] Compiling SwiftCheck Rose.swift
[6/19] Compiling SwiftCheck State.swift
[7/19] Compiling SwiftCheck Test.swift
[8/19] Compiling SwiftCheck Testable.swift
[9/20] Compiling SwiftCheck WitnessedArbitrary.swift
[10/20] Compiling SwiftCheck Arbitrary.swift
[11/20] Compiling SwiftCheck Cartesian.swift
[12/20] Compiling SwiftCheck Check.swift
[13/20] Compiling SwiftCheck CoArbitrary.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[14/20] Compiling SwiftCheck Compose.swift
[15/20] Compiling SwiftCheck Gen.swift
[16/20] Emitting module SwiftCheck
/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
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
| |- note: convert 'FLT_MAX' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: annotate 'FLT_MAX' with '@MainActor' if property should only be accessed from the main actor
| `- 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
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
| |- note: convert 'FLT_MIN' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: annotate 'FLT_MIN' with '@MainActor' if property should only be accessed from the main actor
| `- 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
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
| |- note: convert 'DBL_MAX' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: annotate 'DBL_MAX' with '@MainActor' if property should only be accessed from the main actor
| `- 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
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
| |- note: convert 'DBL_MIN' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: annotate 'DBL_MIN' with '@MainActor' if property should only be accessed from the main actor
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
119 | #else
120 | import Darwin
[17/20] Compiling SwiftCheck Property.swift
/host/spi-builder-workspace/Sources/SwiftCheck/Random.swift:127:13: error: 'inout sending' parameter 'gen' cannot be task-isolated at end of function
125 | let (left, right) = gen.split
126 | gen = left
127 | return right
| |- error: 'inout sending' parameter 'gen' cannot be task-isolated at end of function
| `- note: task-isolated 'gen' risks causing races in between task-isolated uses and caller uses since caller assumes value is not actor isolated
128 | }
129 | }
[18/20] Compiling SwiftCheck Random.swift
/host/spi-builder-workspace/Sources/SwiftCheck/Random.swift:127:13: error: 'inout sending' parameter 'gen' cannot be task-isolated at end of function
125 | let (left, right) = gen.split
126 | gen = left
127 | return right
| |- error: 'inout sending' parameter 'gen' cannot be task-isolated at end of function
| `- note: task-isolated 'gen' risks causing races in between task-isolated uses and caller uses since caller assumes value is not actor isolated
128 | }
129 | }
[19/20] Compiling SwiftCheck Lattice.swift
/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
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
| |- note: convert 'FLT_MAX' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: annotate 'FLT_MAX' with '@MainActor' if property should only be accessed from the main actor
| `- 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
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
| |- note: convert 'FLT_MIN' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: annotate 'FLT_MIN' with '@MainActor' if property should only be accessed from the main actor
| `- 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
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
| |- note: convert 'DBL_MAX' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: annotate 'DBL_MAX' with '@MainActor' if property should only be accessed from the main actor
| `- 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
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
| |- note: convert 'DBL_MIN' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: annotate 'DBL_MIN' with '@MainActor' if property should only be accessed from the main actor
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
119 | #else
120 | import Darwin
[20/20] Compiling SwiftCheck Modifiers.swift
/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
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
| |- note: convert 'FLT_MAX' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: annotate 'FLT_MAX' with '@MainActor' if property should only be accessed from the main actor
| `- 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
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
| |- note: convert 'FLT_MIN' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: annotate 'FLT_MIN' with '@MainActor' if property should only be accessed from the main actor
| `- 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
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
| |- note: convert 'DBL_MAX' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: annotate 'DBL_MAX' with '@MainActor' if property should only be accessed from the main actor
| `- 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
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
| |- note: convert 'DBL_MIN' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: annotate 'DBL_MIN' with '@MainActor' if property should only be accessed from the main actor
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
119 | #else
120 | import Darwin
BUILD FAILURE 6.0 linux