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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 CacheStore, reference main (391f94), with Swift 6.1 for Linux on 27 Apr 2025 06:30:17 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/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/0xOpenBytes/CacheStore.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/0xOpenBytes/CacheStore
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 391f94d Feature/for each (#26)
Cloned https://github.com/0xOpenBytes/CacheStore.git
Revision (git rev-parse @):
391f94dd5f2dc08dca86bed902d2bb1d569735db
SUCCESS checkout https://github.com/0xOpenBytes/CacheStore.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/0xOpenBytes/CacheStore.git
https://github.com/0xOpenBytes/CacheStore.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
    {
      "identity" : "c",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "3.0.0",
            "upper_bound" : "4.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/0xOpenBytes/c"
    },
    {
      "identity" : "swift-custom-dump",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2022.11.1",
            "upper_bound" : "2023.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/0xLeif/swift-custom-dump"
    }
  ],
  "manifest_display_name" : "CacheStore",
  "name" : "CacheStore",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "14.0"
    },
    {
      "name" : "macos",
      "version" : "11.0"
    },
    {
      "name" : "watchos",
      "version" : "7.0"
    }
  ],
  "products" : [
    {
      "name" : "CacheStore",
      "targets" : [
        "CacheStore"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "CacheStoreTests",
      "module_type" : "SwiftTarget",
      "name" : "CacheStoreTests",
      "path" : "Tests/CacheStoreTests",
      "sources" : [
        "CacheStoreTests.swift",
        "StoreContentTests.swift",
        "StoreTests.swift"
      ],
      "target_dependencies" : [
        "CacheStore"
      ],
      "type" : "test"
    },
    {
      "c99name" : "CacheStore",
      "module_type" : "SwiftTarget",
      "name" : "CacheStore",
      "path" : "Sources/CacheStore",
      "product_dependencies" : [
        "c",
        "CustomDump"
      ],
      "product_memberships" : [
        "CacheStore"
      ],
      "sources" : [
        "Actions/ActionHandling.swift",
        "Stores/CacheStore/CacheStore.swift",
        "Stores/CacheStore/ScopedKeyCacheStore.swift",
        "Stores/CacheStore/ScopedKeyValueCacheStore.swift",
        "Stores/Store/Content/Store+StoreContent.swift",
        "Stores/Store/Content/StoreContent.swift",
        "Stores/Store/Content/StoreView.swift",
        "Stores/Store/ForEachStoreView.swift",
        "Stores/Store/ScopedStore.swift",
        "Stores/Store/Store.swift",
        "Stores/Store/TestStore.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/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/0xLeif/swift-custom-dump
Fetching https://github.com/0xOpenBytes/c
[1/237] Fetching c
[238/1616] Fetching c, swift-custom-dump
Fetched https://github.com/0xOpenBytes/c from cache (0.22s)
Fetched https://github.com/0xLeif/swift-custom-dump from cache (0.22s)
Computing version for https://github.com/0xLeif/swift-custom-dump
Computed https://github.com/0xLeif/swift-custom-dump at 2022.11.1 (0.67s)
Fetching https://github.com/pointfreeco/xctest-dynamic-overlay
[1/5388] Fetching xctest-dynamic-overlay
Fetched https://github.com/pointfreeco/xctest-dynamic-overlay from cache (0.58s)
Computing version for https://github.com/0xOpenBytes/c
Computed https://github.com/0xOpenBytes/c at 3.0.2 (1.08s)
Fetching https://github.com/0xOpenBytes/t
[1/368] Fetching t
Fetched https://github.com/0xOpenBytes/t from cache (0.24s)
Computing version for https://github.com/0xOpenBytes/t
Computed https://github.com/0xOpenBytes/t at 1.0.4 (0.69s)
Computing version for https://github.com/pointfreeco/xctest-dynamic-overlay
Computed https://github.com/pointfreeco/xctest-dynamic-overlay at 0.9.0 (0.48s)
Creating working copy for https://github.com/0xLeif/swift-custom-dump
Working copy of https://github.com/0xLeif/swift-custom-dump resolved at 2022.11.1
Creating working copy for https://github.com/0xOpenBytes/c
Working copy of https://github.com/0xOpenBytes/c resolved at 3.0.2
Creating working copy for https://github.com/pointfreeco/xctest-dynamic-overlay
Working copy of https://github.com/pointfreeco/xctest-dynamic-overlay resolved at 0.9.0
Creating working copy for https://github.com/0xOpenBytes/t
Working copy of https://github.com/0xOpenBytes/t resolved at 1.0.4
Building for debugging...
[0/6] Write sources
[5/6] Write swift-version-24593BA9C3E375BF.txt
[7/20] Compiling t t+Logging.swift
/host/spi-builder-workspace/.build/checkouts/t/Sources/t/Logging/t+Logging.swift:1:8: error: no such module 'Foundation.FoundationErrors'
 1 | import Foundation.FoundationErrors
   |        `- error: no such module 'Foundation.FoundationErrors'
 2 |
 3 | public extension t {
[8/20] Compiling t t+Factories.swift
/host/spi-builder-workspace/.build/checkouts/t/Sources/t/Logging/t+Logging.swift:1:8: error: no such module 'Foundation.FoundationErrors'
 1 | import Foundation.FoundationErrors
   |        `- error: no such module 'Foundation.FoundationErrors'
 2 |
 3 | public extension t {
error: emit-module command failed with exit code 1 (use -v to see invocation)
[9/20] Emitting module t
/host/spi-builder-workspace/.build/checkouts/t/Sources/t/Logging/t+Logging.swift:1:8: error: no such module 'Foundation.FoundationErrors'
 1 | import Foundation.FoundationErrors
   |        `- error: no such module 'Foundation.FoundationErrors'
 2 |
 3 | public extension t {
[10/20] Compiling t t+Assertion.swift
/host/spi-builder-workspace/.build/checkouts/t/Sources/t/Logging/t+Logging.swift:1:8: error: no such module 'Foundation.FoundationErrors'
 1 | import Foundation.FoundationErrors
   |        `- error: no such module 'Foundation.FoundationErrors'
 2 |
 3 | public extension t {
[11/20] Compiling t t+Structure.swift
/host/spi-builder-workspace/.build/checkouts/t/Sources/t/Logging/t+Logging.swift:1:8: error: no such module 'Foundation.FoundationErrors'
 1 | import Foundation.FoundationErrors
   |        `- error: no such module 'Foundation.FoundationErrors'
 2 |
 3 | public extension t {
[12/20] Compiling t t.swift
/host/spi-builder-workspace/.build/checkouts/t/Sources/t/Logging/t+Logging.swift:1:8: error: no such module 'Foundation.FoundationErrors'
 1 | import Foundation.FoundationErrors
   |        `- error: no such module 'Foundation.FoundationErrors'
 2 |
 3 | public extension t {
[13/20] Compiling XCTestDynamicOverlay GeneratePlaceholder.swift
[14/20] Compiling XCTestDynamicOverlay RuntimeWarnings.swift
[15/21] Compiling XCTestDynamicOverlay DefaultInitializable.swift
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/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
[2/15] Compiling t t+Factories.swift
/host/spi-builder-workspace/.build/checkouts/t/Sources/t/Logging/t+Logging.swift:1:8: error: no such module 'Foundation.FoundationErrors'
 1 | import Foundation.FoundationErrors
   |        `- error: no such module 'Foundation.FoundationErrors'
 2 |
 3 | public extension t {
[3/15] Compiling t t.swift
/host/spi-builder-workspace/.build/checkouts/t/Sources/t/Logging/t+Logging.swift:1:8: error: no such module 'Foundation.FoundationErrors'
 1 | import Foundation.FoundationErrors
   |        `- error: no such module 'Foundation.FoundationErrors'
 2 |
 3 | public extension t {
[4/15] Compiling t t+Logging.swift
/host/spi-builder-workspace/.build/checkouts/t/Sources/t/Logging/t+Logging.swift:1:8: error: no such module 'Foundation.FoundationErrors'
 1 | import Foundation.FoundationErrors
   |        `- error: no such module 'Foundation.FoundationErrors'
 2 |
 3 | public extension t {
[5/15] Compiling t t+Structure.swift
/host/spi-builder-workspace/.build/checkouts/t/Sources/t/Logging/t+Logging.swift:1:8: error: no such module 'Foundation.FoundationErrors'
 1 | import Foundation.FoundationErrors
   |        `- error: no such module 'Foundation.FoundationErrors'
 2 |
 3 | public extension t {
error: emit-module command failed with exit code 1 (use -v to see invocation)
[6/15] Emitting module t
/host/spi-builder-workspace/.build/checkouts/t/Sources/t/Logging/t+Logging.swift:1:8: error: no such module 'Foundation.FoundationErrors'
 1 | import Foundation.FoundationErrors
   |        `- error: no such module 'Foundation.FoundationErrors'
 2 |
 3 | public extension t {
[7/15] Compiling t t+Assertion.swift
/host/spi-builder-workspace/.build/checkouts/t/Sources/t/Logging/t+Logging.swift:1:8: error: no such module 'Foundation.FoundationErrors'
 1 | import Foundation.FoundationErrors
   |        `- error: no such module 'Foundation.FoundationErrors'
 2 |
 3 | public extension t {
BUILD FAILURE 6.1 linux