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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 RichString, reference master (a0b6e5), with Swift 6.1 for Linux on 26 Apr 2025 10:58:55 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-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/svdo/swift-RichString.git
Reference: master
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/svdo/swift-RichString
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at a0b6e52 Update gems
Cloned https://github.com/svdo/swift-RichString.git
Revision (git rev-parse @):
a0b6e5250d3d77f7aa7ab7e411f1ae4f65c39b08
SUCCESS checkout https://github.com/svdo/swift-RichString.git at master
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/svdo/swift-RichString.git
https://github.com/svdo/swift-RichString.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
    {
      "identity" : "nimble",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "7.0.1",
            "upper_bound" : "8.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/Quick/Nimble.git"
    },
    {
      "identity" : "quick",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.1.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/Quick/Quick.git"
    }
  ],
  "manifest_display_name" : "RichString",
  "name" : "RichString",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "RichString",
      "targets" : [
        "RichString"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "4"
  ],
  "targets" : [
    {
      "c99name" : "RichStringTests",
      "module_type" : "SwiftTarget",
      "name" : "RichStringTests",
      "path" : "RichStringTests",
      "product_dependencies" : [
        "Quick",
        "Nimble"
      ],
      "sources" : [
        "NSAttributedString+RichSpec.swift",
        "NSAttributedStringOperatorsSpec.swift"
      ],
      "target_dependencies" : [
        "RichString"
      ],
      "type" : "test"
    },
    {
      "c99name" : "RichString",
      "module_type" : "SwiftTarget",
      "name" : "RichString",
      "path" : "RichString",
      "product_memberships" : [
        "RichString"
      ],
      "sources" : [
        "Color_PlatformDependent.swift",
        "Font_PlatformDependent.swift",
        "NSAttributedString+Rich.swift",
        "NSAttributedStringOperators.swift",
        "RichString.swift",
        "String+Rich.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.0"
}
warning: 'spi-builder-workspace': Invalid Exclude '/host/spi-builder-workspace/RichString/RichString/watchOS': File not found.
warning: 'spi-builder-workspace': Invalid Exclude '/host/spi-builder-workspace/RichString/RichString/tvOS': File not found.
warning: 'spi-builder-workspace': Invalid Exclude '/host/spi-builder-workspace/RichString/RichString/iOS': File not found.
warning: 'spi-builder-workspace': Invalid Exclude '/host/spi-builder-workspace/RichStringTests/RichStringTests/iOS': File not found.
warning: 'spi-builder-workspace': Invalid Exclude '/host/spi-builder-workspace/RichStringTests/RichStringTests/watchOS': File not found.
warning: 'spi-builder-workspace': Invalid Exclude '/host/spi-builder-workspace/RichStringTests/RichStringTests/tvOS': File not found.
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/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/Quick/Nimble.git
Fetching https://github.com/Quick/Quick.git
[1/14755] Fetching quick
[10625/34322] Fetching quick, nimble
Fetched https://github.com/Quick/Quick.git from cache (0.59s)
[3718/19567] Fetching nimble
Fetched https://github.com/Quick/Nimble.git from cache (1.20s)
Computing version for https://github.com/Quick/Quick.git
Computed https://github.com/Quick/Quick.git at 1.3.4 (1.69s)
Computing version for https://github.com/Quick/Nimble.git
Computed https://github.com/Quick/Nimble.git at 7.3.4 (0.51s)
Creating working copy for https://github.com/Quick/Nimble.git
Working copy of https://github.com/Quick/Nimble.git resolved at 7.3.4
Creating working copy for https://github.com/Quick/Quick.git
Working copy of https://github.com/Quick/Quick.git resolved at 1.3.4
warning: 'spi-builder-workspace': Invalid Exclude '/host/spi-builder-workspace/RichString/RichString/watchOS': File not found.
warning: 'spi-builder-workspace': Invalid Exclude '/host/spi-builder-workspace/RichString/RichString/tvOS': File not found.
warning: 'spi-builder-workspace': Invalid Exclude '/host/spi-builder-workspace/RichString/RichString/iOS': File not found.
warning: 'spi-builder-workspace': Invalid Exclude '/host/spi-builder-workspace/RichStringTests/RichStringTests/iOS': File not found.
warning: 'spi-builder-workspace': Invalid Exclude '/host/spi-builder-workspace/RichStringTests/RichStringTests/tvOS': File not found.
warning: 'spi-builder-workspace': Invalid Exclude '/host/spi-builder-workspace/RichStringTests/RichStringTests/watchOS': File not found.
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/9] Compiling RichString Font_PlatformDependent.swift
/host/spi-builder-workspace/RichString/NSAttributedString+Rich.swift:6:12: error: no such module 'AppKit'
  4 |
  5 | #if SWIFT_PACKAGE || os(macOS)
  6 |     import AppKit
    |            `- error: no such module 'AppKit'
  7 | #else
  8 |     import UIKit
error: emit-module command failed with exit code 1 (use -v to see invocation)
[4/9] Emitting module RichString
/host/spi-builder-workspace/RichString/NSAttributedString+Rich.swift:6:12: error: no such module 'AppKit'
  4 |
  5 | #if SWIFT_PACKAGE || os(macOS)
  6 |     import AppKit
    |            `- error: no such module 'AppKit'
  7 | #else
  8 |     import UIKit
[5/9] Compiling RichString Color_PlatformDependent.swift
/host/spi-builder-workspace/RichString/NSAttributedString+Rich.swift:6:12: error: no such module 'AppKit'
  4 |
  5 | #if SWIFT_PACKAGE || os(macOS)
  6 |     import AppKit
    |            `- error: no such module 'AppKit'
  7 | #else
  8 |     import UIKit
[6/9] Compiling RichString String+Rich.swift
/host/spi-builder-workspace/RichString/NSAttributedString+Rich.swift:6:12: error: no such module 'AppKit'
  4 |
  5 | #if SWIFT_PACKAGE || os(macOS)
  6 |     import AppKit
    |            `- error: no such module 'AppKit'
  7 | #else
  8 |     import UIKit
[7/9] Compiling RichString RichString.swift
/host/spi-builder-workspace/RichString/NSAttributedString+Rich.swift:6:12: error: no such module 'AppKit'
  4 |
  5 | #if SWIFT_PACKAGE || os(macOS)
  6 |     import AppKit
    |            `- error: no such module 'AppKit'
  7 | #else
  8 |     import UIKit
[8/9] Compiling RichString NSAttributedStringOperators.swift
/host/spi-builder-workspace/RichString/NSAttributedString+Rich.swift:6:12: error: no such module 'AppKit'
  4 |
  5 | #if SWIFT_PACKAGE || os(macOS)
  6 |     import AppKit
    |            `- error: no such module 'AppKit'
  7 | #else
  8 |     import UIKit
[9/9] Compiling RichString NSAttributedString+Rich.swift
/host/spi-builder-workspace/RichString/NSAttributedString+Rich.swift:6:12: error: no such module 'AppKit'
  4 |
  5 | #if SWIFT_PACKAGE || os(macOS)
  6 |     import AppKit
    |            `- error: no such module 'AppKit'
  7 | #else
  8 |     import UIKit
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/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
warning: 'spi-builder-workspace': Invalid Exclude '/host/spi-builder-workspace/RichString/RichString/iOS': File not found.
warning: 'spi-builder-workspace': Invalid Exclude '/host/spi-builder-workspace/RichString/RichString/tvOS': File not found.
warning: 'spi-builder-workspace': Invalid Exclude '/host/spi-builder-workspace/RichString/RichString/watchOS': File not found.
warning: 'spi-builder-workspace': Invalid Exclude '/host/spi-builder-workspace/RichStringTests/RichStringTests/tvOS': File not found.
warning: 'spi-builder-workspace': Invalid Exclude '/host/spi-builder-workspace/RichStringTests/RichStringTests/iOS': File not found.
warning: 'spi-builder-workspace': Invalid Exclude '/host/spi-builder-workspace/RichStringTests/RichStringTests/watchOS': File not found.
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
[2/8] Compiling RichString RichString.swift
/host/spi-builder-workspace/RichString/NSAttributedString+Rich.swift:6:12: error: no such module 'AppKit'
  4 |
  5 | #if SWIFT_PACKAGE || os(macOS)
  6 |     import AppKit
    |            `- error: no such module 'AppKit'
  7 | #else
  8 |     import UIKit
[3/8] Compiling RichString String+Rich.swift
/host/spi-builder-workspace/RichString/NSAttributedString+Rich.swift:6:12: error: no such module 'AppKit'
  4 |
  5 | #if SWIFT_PACKAGE || os(macOS)
  6 |     import AppKit
    |            `- error: no such module 'AppKit'
  7 | #else
  8 |     import UIKit
error: emit-module command failed with exit code 1 (use -v to see invocation)
[4/8] Emitting module RichString
/host/spi-builder-workspace/RichString/NSAttributedString+Rich.swift:6:12: error: no such module 'AppKit'
  4 |
  5 | #if SWIFT_PACKAGE || os(macOS)
  6 |     import AppKit
    |            `- error: no such module 'AppKit'
  7 | #else
  8 |     import UIKit
[5/8] Compiling RichString NSAttributedString+Rich.swift
/host/spi-builder-workspace/RichString/NSAttributedString+Rich.swift:6:12: error: no such module 'AppKit'
  4 |
  5 | #if SWIFT_PACKAGE || os(macOS)
  6 |     import AppKit
    |            `- error: no such module 'AppKit'
  7 | #else
  8 |     import UIKit
[6/8] Compiling RichString Color_PlatformDependent.swift
/host/spi-builder-workspace/RichString/NSAttributedString+Rich.swift:6:12: error: no such module 'AppKit'
  4 |
  5 | #if SWIFT_PACKAGE || os(macOS)
  6 |     import AppKit
    |            `- error: no such module 'AppKit'
  7 | #else
  8 |     import UIKit
[7/8] Compiling RichString Font_PlatformDependent.swift
/host/spi-builder-workspace/RichString/NSAttributedString+Rich.swift:6:12: error: no such module 'AppKit'
  4 |
  5 | #if SWIFT_PACKAGE || os(macOS)
  6 |     import AppKit
    |            `- error: no such module 'AppKit'
  7 | #else
  8 |     import UIKit
[8/8] Compiling RichString NSAttributedStringOperators.swift
/host/spi-builder-workspace/RichString/NSAttributedString+Rich.swift:6:12: error: no such module 'AppKit'
  4 |
  5 | #if SWIFT_PACKAGE || os(macOS)
  6 |     import AppKit
    |            `- error: no such module 'AppKit'
  7 | #else
  8 |     import UIKit
BUILD FAILURE 6.1 linux