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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 Snap, reference develop (4b0dce), with Swift 6.1 for Linux on 26 Apr 2025 00:11:07 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/nerdsupremacist/Snap.git
Reference: develop
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/nerdsupremacist/Snap
 * branch            develop    -> FETCH_HEAD
 * [new branch]      develop    -> origin/develop
HEAD is now at 4b0dcef Merge pull request #8 from Sankra/develop
Cloned https://github.com/nerdsupremacist/Snap.git
Revision (git rev-parse @):
4b0dcef84fdcb00d58420404876affbde0311234
SUCCESS checkout https://github.com/nerdsupremacist/Snap.git at develop
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/nerdsupremacist/Snap.git
https://github.com/nerdsupremacist/Snap.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Snap",
  "name" : "Snap",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "Snap",
      "targets" : [
        "Snap"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "Snap",
      "module_type" : "SwiftTarget",
      "name" : "Snap",
      "path" : "Sources/Snap",
      "product_memberships" : [
        "Snap"
      ],
      "sources" : [
        "BlurView.swift",
        "SnapCalculator.swift",
        "SnapDrawer+init.swift",
        "SnapDrawer.swift",
        "SnapPoint.swift",
        "SnapState.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.2"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/host -w "$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
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/9] Compiling Snap SnapPoint.swift
/host/spi-builder-workspace/Sources/Snap/BlurView.swift:3:8: error: no such module 'SwiftUI'
 1 |
 2 | import Foundation
 3 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 4 |
 5 | public struct BlurView: UIViewRepresentable {
[4/9] Compiling Snap SnapDrawer+init.swift
/host/spi-builder-workspace/Sources/Snap/BlurView.swift:3:8: error: no such module 'SwiftUI'
 1 |
 2 | import Foundation
 3 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 4 |
 5 | public struct BlurView: UIViewRepresentable {
error: emit-module command failed with exit code 1 (use -v to see invocation)
[5/9] Emitting module Snap
/host/spi-builder-workspace/Sources/Snap/BlurView.swift:3:8: error: no such module 'SwiftUI'
 1 |
 2 | import Foundation
 3 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 4 |
 5 | public struct BlurView: UIViewRepresentable {
[6/9] Compiling Snap BlurView.swift
/host/spi-builder-workspace/Sources/Snap/BlurView.swift:3:8: error: no such module 'SwiftUI'
 1 |
 2 | import Foundation
 3 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 4 |
 5 | public struct BlurView: UIViewRepresentable {
[7/9] Compiling Snap SnapState.swift
/host/spi-builder-workspace/Sources/Snap/BlurView.swift:3:8: error: no such module 'SwiftUI'
 1 |
 2 | import Foundation
 3 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 4 |
 5 | public struct BlurView: UIViewRepresentable {
[8/9] Compiling Snap SnapDrawer.swift
/host/spi-builder-workspace/Sources/Snap/BlurView.swift:3:8: error: no such module 'SwiftUI'
 1 |
 2 | import Foundation
 3 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 4 |
 5 | public struct BlurView: UIViewRepresentable {
[9/9] Compiling Snap SnapCalculator.swift
/host/spi-builder-workspace/Sources/Snap/BlurView.swift:3:8: error: no such module 'SwiftUI'
 1 |
 2 | import Foundation
 3 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 4 |
 5 | public struct BlurView: UIViewRepresentable {
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
[2/8] Compiling Snap SnapPoint.swift
/host/spi-builder-workspace/Sources/Snap/BlurView.swift:3:8: error: no such module 'SwiftUI'
 1 |
 2 | import Foundation
 3 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 4 |
 5 | public struct BlurView: UIViewRepresentable {
[3/8] Compiling Snap SnapState.swift
/host/spi-builder-workspace/Sources/Snap/BlurView.swift:3:8: error: no such module 'SwiftUI'
 1 |
 2 | import Foundation
 3 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 4 |
 5 | public struct BlurView: UIViewRepresentable {
[4/8] Compiling Snap SnapDrawer.swift
/host/spi-builder-workspace/Sources/Snap/BlurView.swift:3:8: error: no such module 'SwiftUI'
 1 |
 2 | import Foundation
 3 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 4 |
 5 | public struct BlurView: UIViewRepresentable {
[5/8] Compiling Snap SnapDrawer+init.swift
/host/spi-builder-workspace/Sources/Snap/BlurView.swift:3:8: error: no such module 'SwiftUI'
 1 |
 2 | import Foundation
 3 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 4 |
 5 | public struct BlurView: UIViewRepresentable {
[6/8] Compiling Snap BlurView.swift
/host/spi-builder-workspace/Sources/Snap/BlurView.swift:3:8: error: no such module 'SwiftUI'
 1 |
 2 | import Foundation
 3 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 4 |
 5 | public struct BlurView: UIViewRepresentable {
[7/8] Compiling Snap SnapCalculator.swift
/host/spi-builder-workspace/Sources/Snap/BlurView.swift:3:8: error: no such module 'SwiftUI'
 1 |
 2 | import Foundation
 3 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 4 |
 5 | public struct BlurView: UIViewRepresentable {
error: emit-module command failed with exit code 1 (use -v to see invocation)
[8/8] Emitting module Snap
/host/spi-builder-workspace/Sources/Snap/BlurView.swift:3:8: error: no such module 'SwiftUI'
 1 |
 2 | import Foundation
 3 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 4 |
 5 | public struct BlurView: UIViewRepresentable {
BUILD FAILURE 6.1 linux