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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 DIAttribute, reference 0.0.1 (3b69bb), with Swift 6.1 for Linux on 25 Apr 2025 10:46:04 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/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/tattn/diattribute.git
Reference: 0.0.1
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/tattn/diattribute
 * tag               0.0.1      -> FETCH_HEAD
HEAD is now at 3b69bb4 Clean code & add unit tests
Cloned https://github.com/tattn/diattribute.git
Revision (git rev-parse @):
3b69bb49e694c4e054706dc02c59ca2ca42ec5cc
SUCCESS checkout https://github.com/tattn/diattribute.git at 0.0.1
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/tattn/diattribute.git
https://github.com/tattn/diattribute.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
  ],
  "manifest_display_name" : "DIAttribute",
  "name" : "DIAttribute",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "DIAttribute",
      "targets" : [
        "DIAttribute"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "DIAttributeTests",
      "module_type" : "SwiftTarget",
      "name" : "DIAttributeTests",
      "path" : "Tests/DIAttributeTests",
      "sources" : [
        "DIAttributeTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "DIAttribute"
      ],
      "type" : "test"
    },
    {
      "c99name" : "DIAttribute",
      "module_type" : "SwiftTarget",
      "name" : "DIAttribute",
      "path" : "Sources/DIAttribute",
      "product_memberships" : [
        "DIAttribute"
      ],
      "sources" : [
        "DIResolver.swift",
        "Inject.swift",
        "RegisterBuilder.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.1"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/host -w "$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
[3/6] Compiling DIAttribute RegisterBuilder.swift
/host/spi-builder-workspace/Sources/DIAttribute/RegisterBuilder.swift:20:2: warning: '@_functionBuilder' has been renamed to '@resultBuilder'
18 | }
19 |
20 | @_functionBuilder public struct RegisterBuilder {
   |  `- warning: '@_functionBuilder' has been renamed to '@resultBuilder'
21 |     public static func buildBlock(
22 |         _ registers: Register...
[4/6] Compiling DIAttribute Inject.swift
/host/spi-builder-workspace/Sources/DIAttribute/Inject.swift:11:15: error: property wrapper type 'Inject' does not contain a non-static property named 'wrappedValue'
 9 |
10 | @propertyWrapper
11 | public struct Inject<Target, Value> {
   |               `- error: property wrapper type 'Inject' does not contain a non-static property named 'wrappedValue'
12 |     public init(_ type: Target.Type) {}
13 |
error: emit-module command failed with exit code 1 (use -v to see invocation)
[5/6] Compiling DIAttribute DIResolver.swift
/host/spi-builder-workspace/Sources/DIAttribute/DIResolver.swift:13:24: warning: static property 'factories' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
11 |     public typealias Factory<Value> = () -> Value
12 |
13 |     private static var factories: [ObjectIdentifier: [ObjectIdentifier: Factory<Any>]] = [:]
   |                        |- warning: static property 'factories' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                        |- note: convert 'factories' to a 'let' constant to make 'Sendable' shared state immutable
   |                        |- note: add '@MainActor' to make static property 'factories' part of global actor 'MainActor'
   |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
14 |
15 |     public static func register<Target, Value>(
[6/6] Emitting module DIAttribute
/host/spi-builder-workspace/Sources/DIAttribute/RegisterBuilder.swift:20:2: warning: '@_functionBuilder' has been renamed to '@resultBuilder'
18 | }
19 |
20 | @_functionBuilder public struct RegisterBuilder {
   |  `- warning: '@_functionBuilder' has been renamed to '@resultBuilder'
21 |     public static func buildBlock(
22 |         _ registers: Register...
/host/spi-builder-workspace/Sources/DIAttribute/DIResolver.swift:13:24: warning: static property 'factories' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
11 |     public typealias Factory<Value> = () -> Value
12 |
13 |     private static var factories: [ObjectIdentifier: [ObjectIdentifier: Factory<Any>]] = [:]
   |                        |- warning: static property 'factories' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                        |- note: convert 'factories' to a 'let' constant to make 'Sendable' shared state immutable
   |                        |- note: add '@MainActor' to make static property 'factories' part of global actor 'MainActor'
   |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
14 |
15 |     public static func register<Target, Value>(
/host/spi-builder-workspace/Sources/DIAttribute/Inject.swift:11:15: error: property wrapper type 'Inject' does not contain a non-static property named 'wrappedValue'
 9 |
10 | @propertyWrapper
11 | public struct Inject<Target, Value> {
   |               `- error: property wrapper type 'Inject' does not contain a non-static property named 'wrappedValue'
12 |     public init(_ type: Target.Type) {}
13 |
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/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
[2/5] Compiling DIAttribute RegisterBuilder.swift
/host/spi-builder-workspace/Sources/DIAttribute/RegisterBuilder.swift:20:2: warning: '@_functionBuilder' has been renamed to '@resultBuilder'
18 | }
19 |
20 | @_functionBuilder public struct RegisterBuilder {
   |  `- warning: '@_functionBuilder' has been renamed to '@resultBuilder'
21 |     public static func buildBlock(
22 |         _ registers: Register...
[3/5] Compiling DIAttribute Inject.swift
/host/spi-builder-workspace/Sources/DIAttribute/Inject.swift:11:15: error: property wrapper type 'Inject' does not contain a non-static property named 'wrappedValue'
 9 |
10 | @propertyWrapper
11 | public struct Inject<Target, Value> {
   |               `- error: property wrapper type 'Inject' does not contain a non-static property named 'wrappedValue'
12 |     public init(_ type: Target.Type) {}
13 |
error: emit-module command failed with exit code 1 (use -v to see invocation)
[4/5] Compiling DIAttribute DIResolver.swift
[5/5] Emitting module DIAttribute
/host/spi-builder-workspace/Sources/DIAttribute/RegisterBuilder.swift:20:2: warning: '@_functionBuilder' has been renamed to '@resultBuilder'
18 | }
19 |
20 | @_functionBuilder public struct RegisterBuilder {
   |  `- warning: '@_functionBuilder' has been renamed to '@resultBuilder'
21 |     public static func buildBlock(
22 |         _ registers: Register...
/host/spi-builder-workspace/Sources/DIAttribute/Inject.swift:11:15: error: property wrapper type 'Inject' does not contain a non-static property named 'wrappedValue'
 9 |
10 | @propertyWrapper
11 | public struct Inject<Target, Value> {
   |               `- error: property wrapper type 'Inject' does not contain a non-static property named 'wrappedValue'
12 |     public init(_ type: Target.Type) {}
13 |
BUILD FAILURE 6.1 linux