Benchmarking – Build Information

Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Failed to build Benchmarking, reference v1.0.0 (6a224c), with Swift 6.1 for Linux on 26 Apr 2025 15:53:48 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/attaswift/Benchmarking.git
Reference: v1.0.0
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/attaswift/Benchmarking
 * tag               v1.0.0     -> FETCH_HEAD
HEAD is now at 6a224c1 Update README.md
Cloned https://github.com/attaswift/Benchmarking.git
Revision (git rev-parse @):
6a224c19f21d5e28198f74f5c679c0c55335688c
SUCCESS checkout https://github.com/attaswift/Benchmarking.git at v1.0.0
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/attaswift/Benchmarking.git
https://github.com/attaswift/Benchmarking.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
    {
      "identity" : "optionparser",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/attaswift/OptionParser"
    }
  ],
  "manifest_display_name" : "Benchmarking",
  "name" : "Benchmarking",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Benchmarking",
      "targets" : [
        "Benchmarking",
        "BenchmarkIPC"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "4"
  ],
  "targets" : [
    {
      "c99name" : "Benchmarking",
      "module_type" : "SwiftTarget",
      "name" : "Benchmarking",
      "path" : "Benchmarking",
      "product_dependencies" : [
        "OptionParser"
      ],
      "product_memberships" : [
        "Benchmarking"
      ],
      "sources" : [
        "Benchmark.swift",
        "Complain.swift",
        "InputGenerator.swift",
        "Noop.swift",
        "Output.swift",
        "Run.swift",
        "Shuffle.swift",
        "Timer.swift"
      ],
      "target_dependencies" : [
        "BenchmarkIPC"
      ],
      "type" : "library"
    },
    {
      "c99name" : "BenchmarkIPC",
      "module_type" : "SwiftTarget",
      "name" : "BenchmarkIPC",
      "path" : "BenchmarkIPC",
      "product_memberships" : [
        "Benchmarking"
      ],
      "sources" : [
        "BenchmarkIPC.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.0"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures 2>&1
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
Fetching https://github.com/attaswift/OptionParser
[1/82] Fetching optionparser
Fetched https://github.com/attaswift/OptionParser from cache (0.17s)
Computing version for https://github.com/attaswift/OptionParser
Computed https://github.com/attaswift/OptionParser at 1.0.0 (0.62s)
Creating working copy for https://github.com/attaswift/OptionParser
Working copy of https://github.com/attaswift/OptionParser resolved at 1.0.0
Building for debugging...
[0/7] Write sources
[3/7] Write swift-version-24593BA9C3E375BF.txt
[5/18] Compiling OptionParser Parameter.swift
[6/18] Compiling OptionParser ParseContext.swift
[7/19] Emitting module BenchmarkIPC
[8/19] Compiling BenchmarkIPC BenchmarkIPC.swift
[9/19] Compiling OptionParser OptionParser.swift
[10/19] Compiling OptionParser Option.swift
[11/20] Compiling OptionParser OptionValue.swift
[12/20] Compiling OptionParser Help.swift
[13/20] Compiling OptionParser Argument.swift
[14/20] Compiling OptionParser Command.swift
[15/20] Emitting module OptionParser
[17/20] Compiling OptionParser Syntax.swift
[18/21] Wrapping AST for OptionParser for debugging
[19/21] Write Objects.LinkFileList
[20/21] Archiving libOptionParser.a
error: emit-module command failed with exit code 1 (use -v to see invocation)
[22/29] Emitting module Benchmarking
/host/spi-builder-workspace/Benchmarking/Shuffle.swift:5:8: error: no such module 'Darwin'
 3 | // For licensing information, see the file LICENSE.md in the Git repository above.
 4 |
 5 | import Darwin
   |        `- error: no such module 'Darwin'
 6 |
 7 | extension FixedWidthInteger {
[23/29] Compiling Benchmarking Benchmark.swift
/host/spi-builder-workspace/Benchmarking/Shuffle.swift:5:8: error: no such module 'Darwin'
 3 | // For licensing information, see the file LICENSE.md in the Git repository above.
 4 |
 5 | import Darwin
   |        `- error: no such module 'Darwin'
 6 |
 7 | extension FixedWidthInteger {
[24/30] Compiling Benchmarking Run.swift
/host/spi-builder-workspace/Benchmarking/Shuffle.swift:5:8: error: no such module 'Darwin'
 3 | // For licensing information, see the file LICENSE.md in the Git repository above.
 4 |
 5 | import Darwin
   |        `- error: no such module 'Darwin'
 6 |
 7 | extension FixedWidthInteger {
[25/30] Compiling Benchmarking Shuffle.swift
/host/spi-builder-workspace/Benchmarking/Shuffle.swift:5:8: error: no such module 'Darwin'
 3 | // For licensing information, see the file LICENSE.md in the Git repository above.
 4 |
 5 | import Darwin
   |        `- error: no such module 'Darwin'
 6 |
 7 | extension FixedWidthInteger {
[26/30] Compiling Benchmarking InputGenerator.swift
/host/spi-builder-workspace/Benchmarking/Shuffle.swift:5:8: error: no such module 'Darwin'
 3 | // For licensing information, see the file LICENSE.md in the Git repository above.
 4 |
 5 | import Darwin
   |        `- error: no such module 'Darwin'
 6 |
 7 | extension FixedWidthInteger {
[27/30] Compiling Benchmarking Noop.swift
/host/spi-builder-workspace/Benchmarking/Shuffle.swift:5:8: error: no such module 'Darwin'
 3 | // For licensing information, see the file LICENSE.md in the Git repository above.
 4 |
 5 | import Darwin
   |        `- error: no such module 'Darwin'
 6 |
 7 | extension FixedWidthInteger {
[28/30] Compiling Benchmarking Output.swift
/host/spi-builder-workspace/Benchmarking/Shuffle.swift:5:8: error: no such module 'Darwin'
 3 | // For licensing information, see the file LICENSE.md in the Git repository above.
 4 |
 5 | import Darwin
   |        `- error: no such module 'Darwin'
 6 |
 7 | extension FixedWidthInteger {
[29/30] Compiling Benchmarking Complain.swift
/host/spi-builder-workspace/Benchmarking/Shuffle.swift:5:8: error: no such module 'Darwin'
 3 | // For licensing information, see the file LICENSE.md in the Git repository above.
 4 |
 5 | import Darwin
   |        `- error: no such module 'Darwin'
 6 |
 7 | extension FixedWidthInteger {
[30/30] Compiling Benchmarking Timer.swift
/host/spi-builder-workspace/Benchmarking/Shuffle.swift:5:8: error: no such module 'Darwin'
 3 | // For licensing information, see the file LICENSE.md in the Git repository above.
 4 |
 5 | import Darwin
   |        `- error: no such module 'Darwin'
 6 |
 7 | extension FixedWidthInteger {
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
[0/1] Planning build
Building for debugging...
[0/2] Write swift-version-24593BA9C3E375BF.txt
[2/13] Compiling OptionParser ParseContext.swift
[3/14] Compiling OptionParser OptionParser.swift
[4/14] Compiling OptionParser Parameter.swift
[5/14] Compiling OptionParser OptionValue.swift
[6/14] Compiling OptionParser Help.swift
[7/14] Compiling OptionParser Option.swift
[8/14] Compiling BenchmarkIPC BenchmarkIPC.swift
[9/14] Emitting module BenchmarkIPC
[10/14] Emitting module OptionParser
[11/14] Compiling OptionParser Argument.swift
[12/14] Compiling OptionParser Command.swift
[14/15] Compiling OptionParser Syntax.swift
[15/18] Wrapping AST for OptionParser for debugging
[16/18] Write Objects.LinkFileList
[17/18] Archiving libOptionParser.a
[19/26] Compiling Benchmarking Benchmark.swift
/host/spi-builder-workspace/Benchmarking/Shuffle.swift:5:8: error: no such module 'Darwin'
 3 | // For licensing information, see the file LICENSE.md in the Git repository above.
 4 |
 5 | import Darwin
   |        `- error: no such module 'Darwin'
 6 |
 7 | extension FixedWidthInteger {
[20/26] Compiling Benchmarking Shuffle.swift
/host/spi-builder-workspace/Benchmarking/Shuffle.swift:5:8: error: no such module 'Darwin'
 3 | // For licensing information, see the file LICENSE.md in the Git repository above.
 4 |
 5 | import Darwin
   |        `- error: no such module 'Darwin'
 6 |
 7 | extension FixedWidthInteger {
error: emit-module command failed with exit code 1 (use -v to see invocation)
[21/27] Emitting module Benchmarking
/host/spi-builder-workspace/Benchmarking/Shuffle.swift:5:8: error: no such module 'Darwin'
 3 | // For licensing information, see the file LICENSE.md in the Git repository above.
 4 |
 5 | import Darwin
   |        `- error: no such module 'Darwin'
 6 |
 7 | extension FixedWidthInteger {
[22/27] Compiling Benchmarking Run.swift
/host/spi-builder-workspace/Benchmarking/Shuffle.swift:5:8: error: no such module 'Darwin'
 3 | // For licensing information, see the file LICENSE.md in the Git repository above.
 4 |
 5 | import Darwin
   |        `- error: no such module 'Darwin'
 6 |
 7 | extension FixedWidthInteger {
[23/27] Compiling Benchmarking Output.swift
/host/spi-builder-workspace/Benchmarking/Shuffle.swift:5:8: error: no such module 'Darwin'
 3 | // For licensing information, see the file LICENSE.md in the Git repository above.
 4 |
 5 | import Darwin
   |        `- error: no such module 'Darwin'
 6 |
 7 | extension FixedWidthInteger {
[24/27] Compiling Benchmarking InputGenerator.swift
/host/spi-builder-workspace/Benchmarking/Shuffle.swift:5:8: error: no such module 'Darwin'
 3 | // For licensing information, see the file LICENSE.md in the Git repository above.
 4 |
 5 | import Darwin
   |        `- error: no such module 'Darwin'
 6 |
 7 | extension FixedWidthInteger {
[25/27] Compiling Benchmarking Noop.swift
/host/spi-builder-workspace/Benchmarking/Shuffle.swift:5:8: error: no such module 'Darwin'
 3 | // For licensing information, see the file LICENSE.md in the Git repository above.
 4 |
 5 | import Darwin
   |        `- error: no such module 'Darwin'
 6 |
 7 | extension FixedWidthInteger {
[26/27] Compiling Benchmarking Complain.swift
/host/spi-builder-workspace/Benchmarking/Shuffle.swift:5:8: error: no such module 'Darwin'
 3 | // For licensing information, see the file LICENSE.md in the Git repository above.
 4 |
 5 | import Darwin
   |        `- error: no such module 'Darwin'
 6 |
 7 | extension FixedWidthInteger {
[27/27] Compiling Benchmarking Timer.swift
/host/spi-builder-workspace/Benchmarking/Shuffle.swift:5:8: error: no such module 'Darwin'
 3 | // For licensing information, see the file LICENSE.md in the Git repository above.
 4 |
 5 | import Darwin
   |        `- error: no such module 'Darwin'
 6 |
 7 | extension FixedWidthInteger {
BUILD FAILURE 6.1 linux