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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 SwiftSeriesResampler, reference main (2aa46f), with Swift 6.1 for Linux on 26 Apr 2025 17:32:30 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/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/openalloc/SwiftSeriesResampler.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/openalloc/SwiftSeriesResampler
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 2aa46f1 Simplify See Also section of README
Cloned https://github.com/openalloc/SwiftSeriesResampler.git
Revision (git rev-parse @):
2aa46f1d0c007085727eb61f2018d2aad83e92bc
SUCCESS checkout https://github.com/openalloc/SwiftSeriesResampler.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/openalloc/SwiftSeriesResampler.git
https://github.com/openalloc/SwiftSeriesResampler.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
  ],
  "manifest_display_name" : "SwiftSeriesResampler",
  "name" : "SwiftSeriesResampler",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "11.0"
    }
  ],
  "products" : [
    {
      "name" : "SeriesResampler",
      "targets" : [
        "SeriesResampler"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SeriesResamplerTests",
      "module_type" : "SwiftTarget",
      "name" : "SeriesResamplerTests",
      "path" : "Tests",
      "sources" : [
        "ArrayIsSortedTests.swift",
        "ArrayMinAndMaxTests.swift",
        "ArrayNormalizeTests.swift",
        "BaseSeriesSamplerTests.swift",
        "XCT+Array.swift"
      ],
      "target_dependencies" : [
        "SeriesResampler"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SeriesResampler",
      "module_type" : "SwiftTarget",
      "name" : "SeriesResampler",
      "path" : "Sources",
      "product_memberships" : [
        "SeriesResampler"
      ],
      "sources" : [
        "AccelLerpResampler.swift",
        "Array+MinAndMax.swift",
        "Array+Normalize.swift",
        "BaseIndiceResampler.swift",
        "BaseResampler.swift",
        "LerpResampler.swift",
        "LinearInterpolator.swift",
        "Sequence+IsSorted.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.7"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$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
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/10] Compiling SeriesResampler BaseResampler.swift
/host/spi-builder-workspace/Sources/AccelLerpResampler.swift:19:8: error: no such module 'Accelerate'
17 | //
18 |
19 | import Accelerate
   |        `- error: no such module 'Accelerate'
20 | import Foundation
21 |
[4/10] Compiling SeriesResampler LerpResampler.swift
/host/spi-builder-workspace/Sources/AccelLerpResampler.swift:19:8: error: no such module 'Accelerate'
17 | //
18 |
19 | import Accelerate
   |        `- error: no such module 'Accelerate'
20 | import Foundation
21 |
[5/10] Compiling SeriesResampler LinearInterpolator.swift
/host/spi-builder-workspace/Sources/AccelLerpResampler.swift:19:8: error: no such module 'Accelerate'
17 | //
18 |
19 | import Accelerate
   |        `- error: no such module 'Accelerate'
20 | import Foundation
21 |
[6/11] Compiling SeriesResampler BaseIndiceResampler.swift
/host/spi-builder-workspace/Sources/AccelLerpResampler.swift:19:8: error: no such module 'Accelerate'
17 | //
18 |
19 | import Accelerate
   |        `- error: no such module 'Accelerate'
20 | import Foundation
21 |
[7/11] Compiling SeriesResampler Array+Normalize.swift
/host/spi-builder-workspace/Sources/AccelLerpResampler.swift:19:8: error: no such module 'Accelerate'
17 | //
18 |
19 | import Accelerate
   |        `- error: no such module 'Accelerate'
20 | import Foundation
21 |
error: emit-module command failed with exit code 1 (use -v to see invocation)
[8/11] Emitting module SeriesResampler
/host/spi-builder-workspace/Sources/AccelLerpResampler.swift:19:8: error: no such module 'Accelerate'
17 | //
18 |
19 | import Accelerate
   |        `- error: no such module 'Accelerate'
20 | import Foundation
21 |
[9/11] Compiling SeriesResampler Array+MinAndMax.swift
/host/spi-builder-workspace/Sources/AccelLerpResampler.swift:19:8: error: no such module 'Accelerate'
17 | //
18 |
19 | import Accelerate
   |        `- error: no such module 'Accelerate'
20 | import Foundation
21 |
[10/11] Compiling SeriesResampler AccelLerpResampler.swift
/host/spi-builder-workspace/Sources/AccelLerpResampler.swift:19:8: error: no such module 'Accelerate'
17 | //
18 |
19 | import Accelerate
   |        `- error: no such module 'Accelerate'
20 | import Foundation
21 |
[11/11] Compiling SeriesResampler Sequence+IsSorted.swift
/host/spi-builder-workspace/Sources/AccelLerpResampler.swift:19:8: error: no such module 'Accelerate'
17 | //
18 |
19 | import Accelerate
   |        `- error: no such module 'Accelerate'
20 | import Foundation
21 |
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/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...
[0/1] Write swift-version-24593BA9C3E375BF.txt
[2/9] Compiling SeriesResampler BaseResampler.swift
/host/spi-builder-workspace/Sources/AccelLerpResampler.swift:19:8: error: no such module 'Accelerate'
17 | //
18 |
19 | import Accelerate
   |        `- error: no such module 'Accelerate'
20 | import Foundation
21 |
[3/9] Compiling SeriesResampler AccelLerpResampler.swift
/host/spi-builder-workspace/Sources/AccelLerpResampler.swift:19:8: error: no such module 'Accelerate'
17 | //
18 |
19 | import Accelerate
   |        `- error: no such module 'Accelerate'
20 | import Foundation
21 |
[4/9] Compiling SeriesResampler Array+Normalize.swift
/host/spi-builder-workspace/Sources/AccelLerpResampler.swift:19:8: error: no such module 'Accelerate'
17 | //
18 |
19 | import Accelerate
   |        `- error: no such module 'Accelerate'
20 | import Foundation
21 |
[5/9] Compiling SeriesResampler BaseIndiceResampler.swift
/host/spi-builder-workspace/Sources/AccelLerpResampler.swift:19:8: error: no such module 'Accelerate'
17 | //
18 |
19 | import Accelerate
   |        `- error: no such module 'Accelerate'
20 | import Foundation
21 |
[6/9] Compiling SeriesResampler Array+MinAndMax.swift
/host/spi-builder-workspace/Sources/AccelLerpResampler.swift:19:8: error: no such module 'Accelerate'
17 | //
18 |
19 | import Accelerate
   |        `- error: no such module 'Accelerate'
20 | import Foundation
21 |
[7/10] Compiling SeriesResampler Sequence+IsSorted.swift
/host/spi-builder-workspace/Sources/AccelLerpResampler.swift:19:8: error: no such module 'Accelerate'
17 | //
18 |
19 | import Accelerate
   |        `- error: no such module 'Accelerate'
20 | import Foundation
21 |
error: emit-module command failed with exit code 1 (use -v to see invocation)
[8/10] Emitting module SeriesResampler
/host/spi-builder-workspace/Sources/AccelLerpResampler.swift:19:8: error: no such module 'Accelerate'
17 | //
18 |
19 | import Accelerate
   |        `- error: no such module 'Accelerate'
20 | import Foundation
21 |
[9/10] Compiling SeriesResampler LinearInterpolator.swift
/host/spi-builder-workspace/Sources/AccelLerpResampler.swift:19:8: error: no such module 'Accelerate'
17 | //
18 |
19 | import Accelerate
   |        `- error: no such module 'Accelerate'
20 | import Foundation
21 |
[10/10] Compiling SeriesResampler LerpResampler.swift
/host/spi-builder-workspace/Sources/AccelLerpResampler.swift:19:8: error: no such module 'Accelerate'
17 | //
18 |
19 | import Accelerate
   |        `- error: no such module 'Accelerate'
20 | import Foundation
21 |
BUILD FAILURE 6.1 linux