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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 InputStepper, reference main (1a94d7), with Swift 6.0 for Linux on 29 Mar 2025 09:35:14 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.60.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/mateusz800/InputStepper.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/mateusz800/InputStepper
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 1a94d73  add minValue and maxValue support
Cloned https://github.com/mateusz800/InputStepper.git
Revision (git rev-parse @):
1a94d73bb0c1ef33a76dbea38b4f538049c3873e
SUCCESS checkout https://github.com/mateusz800/InputStepper.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $PWD
https://github.com/mateusz800/InputStepper.git
https://github.com/mateusz800/InputStepper.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
  ],
  "manifest_display_name" : "InputStepper",
  "name" : "InputStepper",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "14.0"
    },
    {
      "name" : "macos",
      "version" : "11.0"
    },
    {
      "name" : "watchos",
      "version" : "8.0"
    },
    {
      "name" : "tvos",
      "version" : "14.0"
    }
  ],
  "products" : [
    {
      "name" : "InputStepper",
      "targets" : [
        "InputStepper"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "InputStepperTests",
      "module_type" : "SwiftTarget",
      "name" : "InputStepperTests",
      "path" : "Tests/InputStepperTests",
      "sources" : [
        "ValueStoreTests.swift"
      ],
      "target_dependencies" : [
        "InputStepper"
      ],
      "type" : "test"
    },
    {
      "c99name" : "InputStepper",
      "module_type" : "SwiftTarget",
      "name" : "InputStepper",
      "path" : "Sources/InputStepper",
      "product_memberships" : [
        "InputStepper"
      ],
      "sources" : [
        "ValueStore.swift",
        "protocols/InputStepperValueStorage.swift",
        "utils/Environment.swift",
        "utils/FloatExtension.swift",
        "views/ControlButton.swift",
        "views/InputStepper.swift",
        "views/MinusButton.swift",
        "views/PlusButton.swift",
        "views/Value.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-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-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:081dcf4fb829aea9d08447f4790431afbdfbcc335bfeed728ca69c6f181ae2aa
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/11] Compiling InputStepper InputStepper.swift
/host/spi-builder-workspace/Sources/InputStepper/ValueStore.swift:9:8: error: no such module 'SwiftUI'
 7 |
 8 | import Foundation
 9 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
10 |
11 | class ValueStore: ObservableObject {
[4/11] Compiling InputStepper PlusButton.swift
/host/spi-builder-workspace/Sources/InputStepper/ValueStore.swift:9:8: error: no such module 'SwiftUI'
 7 |
 8 | import Foundation
 9 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
10 |
11 | class ValueStore: ObservableObject {
[5/11] Compiling InputStepper MinusButton.swift
/host/spi-builder-workspace/Sources/InputStepper/ValueStore.swift:9:8: error: no such module 'SwiftUI'
 7 |
 8 | import Foundation
 9 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
10 |
11 | class ValueStore: ObservableObject {
[6/12] Compiling InputStepper Value.swift
/host/spi-builder-workspace/Sources/InputStepper/ValueStore.swift:9:8: error: no such module 'SwiftUI'
 7 |
 8 | import Foundation
 9 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
10 |
11 | class ValueStore: ObservableObject {
error: emit-module command failed with exit code 1 (use -v to see invocation)
[7/12] Emitting module InputStepper
/host/spi-builder-workspace/Sources/InputStepper/ValueStore.swift:9:8: error: no such module 'SwiftUI'
 7 |
 8 | import Foundation
 9 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
10 |
11 | class ValueStore: ObservableObject {
[8/12] Compiling InputStepper Environment.swift
/host/spi-builder-workspace/Sources/InputStepper/ValueStore.swift:9:8: error: no such module 'SwiftUI'
 7 |
 8 | import Foundation
 9 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
10 |
11 | class ValueStore: ObservableObject {
[9/12] Compiling InputStepper ControlButton.swift
/host/spi-builder-workspace/Sources/InputStepper/ValueStore.swift:9:8: error: no such module 'SwiftUI'
 7 |
 8 | import Foundation
 9 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
10 |
11 | class ValueStore: ObservableObject {
[10/12] Compiling InputStepper FloatExtension.swift
/host/spi-builder-workspace/Sources/InputStepper/ValueStore.swift:9:8: error: no such module 'SwiftUI'
 7 |
 8 | import Foundation
 9 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
10 |
11 | class ValueStore: ObservableObject {
[11/12] Compiling InputStepper ValueStore.swift
/host/spi-builder-workspace/Sources/InputStepper/ValueStore.swift:9:8: error: no such module 'SwiftUI'
 7 |
 8 | import Foundation
 9 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
10 |
11 | class ValueStore: ObservableObject {
[12/12] Compiling InputStepper InputStepperValueStorage.swift
/host/spi-builder-workspace/Sources/InputStepper/ValueStore.swift:9:8: error: no such module 'SwiftUI'
 7 |
 8 | import Foundation
 9 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
10 |
11 | class ValueStore: ObservableObject {
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" 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: sha256:081dcf4fb829aea9d08447f4790431afbdfbcc335bfeed728ca69c6f181ae2aa
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
[2/10] Compiling InputStepper PlusButton.swift
/host/spi-builder-workspace/Sources/InputStepper/ValueStore.swift:9:8: error: no such module 'SwiftUI'
 7 |
 8 | import Foundation
 9 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
10 |
11 | class ValueStore: ObservableObject {
[3/11] Compiling InputStepper MinusButton.swift
/host/spi-builder-workspace/Sources/InputStepper/ValueStore.swift:9:8: error: no such module 'SwiftUI'
 7 |
 8 | import Foundation
 9 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
10 |
11 | class ValueStore: ObservableObject {
[4/11] Compiling InputStepper ControlButton.swift
/host/spi-builder-workspace/Sources/InputStepper/ValueStore.swift:9:8: error: no such module 'SwiftUI'
 7 |
 8 | import Foundation
 9 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
10 |
11 | class ValueStore: ObservableObject {
[5/11] Compiling InputStepper InputStepper.swift
/host/spi-builder-workspace/Sources/InputStepper/ValueStore.swift:9:8: error: no such module 'SwiftUI'
 7 |
 8 | import Foundation
 9 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
10 |
11 | class ValueStore: ObservableObject {
[6/11] Compiling InputStepper FloatExtension.swift
/host/spi-builder-workspace/Sources/InputStepper/ValueStore.swift:9:8: error: no such module 'SwiftUI'
 7 |
 8 | import Foundation
 9 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
10 |
11 | class ValueStore: ObservableObject {
error: emit-module command failed with exit code 1 (use -v to see invocation)
[7/11] Emitting module InputStepper
/host/spi-builder-workspace/Sources/InputStepper/ValueStore.swift:9:8: error: no such module 'SwiftUI'
 7 |
 8 | import Foundation
 9 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
10 |
11 | class ValueStore: ObservableObject {
[8/11] Compiling InputStepper Environment.swift
/host/spi-builder-workspace/Sources/InputStepper/ValueStore.swift:9:8: error: no such module 'SwiftUI'
 7 |
 8 | import Foundation
 9 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
10 |
11 | class ValueStore: ObservableObject {
[9/11] Compiling InputStepper ValueStore.swift
/host/spi-builder-workspace/Sources/InputStepper/ValueStore.swift:9:8: error: no such module 'SwiftUI'
 7 |
 8 | import Foundation
 9 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
10 |
11 | class ValueStore: ObservableObject {
[10/11] Compiling InputStepper InputStepperValueStorage.swift
/host/spi-builder-workspace/Sources/InputStepper/ValueStore.swift:9:8: error: no such module 'SwiftUI'
 7 |
 8 | import Foundation
 9 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
10 |
11 | class ValueStore: ObservableObject {
[11/11] Compiling InputStepper Value.swift
/host/spi-builder-workspace/Sources/InputStepper/ValueStore.swift:9:8: error: no such module 'SwiftUI'
 7 |
 8 | import Foundation
 9 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
10 |
11 | class ValueStore: ObservableObject {
BUILD FAILURE 6.0 linux