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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 Papyrus, reference main (7be0a6), with Swift 6.1 for Linux on 28 Apr 2025 00:30:13 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/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/reddavis/Papyrus.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/reddavis/Papyrus
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 7be0a60 fix: return if collection is empty (#11)
Cloned https://github.com/reddavis/Papyrus.git
Revision (git rev-parse @):
7be0a607093dd24879cf56a23c87d60f8e770f0f
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/reddavis/Papyrus.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/reddavis/Papyrus.git
https://github.com/reddavis/Papyrus.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Papyrus",
  "name" : "Papyrus",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "16.0"
    },
    {
      "name" : "macos",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "7.0"
    },
    {
      "name" : "tvos",
      "version" : "16.0"
    }
  ],
  "products" : [
    {
      "name" : "Papyrus",
      "targets" : [
        "Papyrus"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "Unit",
      "module_type" : "SwiftTarget",
      "name" : "Unit",
      "path" : "Tests/Unit",
      "sources" : [
        "CollectionQueryTests.swift",
        "DirectoryObserverTests.swift",
        "Helpers/Assertions.swift",
        "Helpers/AsyncSequence+Extension.swift",
        "Helpers/FileManager+Extension.swift",
        "Helpers/Int+Extension.swift",
        "ObjectQueryTests.swift",
        "PapyrusStoreTests.swift",
        "Resources/ExampleA.swift",
        "Resources/ExampleB.swift",
        "Resources/ExampleC.swift",
        "Resources/ExampleD.swift"
      ],
      "target_dependencies" : [
        "Papyrus"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Performance",
      "module_type" : "SwiftTarget",
      "name" : "Performance",
      "path" : "Tests/Performance",
      "sources" : [
        "PerformanceTests.swift"
      ],
      "target_dependencies" : [
        "Papyrus"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Papyrus",
      "module_type" : "SwiftTarget",
      "name" : "Papyrus",
      "path" : "Sources/Papyrus",
      "product_memberships" : [
        "Papyrus"
      ],
      "sources" : [
        "Extensions/AsyncSequence.swift",
        "Extensions/AsyncStream.swift",
        "Extensions/AsyncThrowingStream.swift",
        "Fail.swift",
        "Logger.swift",
        "Observers/DirectoryObserver.swift",
        "Observers/ObjectChange.swift",
        "Papyrus.swift",
        "PapyrusStore.swift",
        "Queries/CollectionQuery.swift",
        "Queries/ObjectQuery.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.7"
}
warning: 'spi-builder-workspace': Invalid Exclude '/host/spi-builder-workspace/Tests/Unit/Performance/Supporting Files/Unit.xctestplan': File not found.
warning: 'spi-builder-workspace': Invalid Exclude '/host/spi-builder-workspace/Tests/Performance/Performance/Supporting Files/Performance.xctestplan': File not found.
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/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
warning: 'spi-builder-workspace': Invalid Exclude '/host/spi-builder-workspace/Tests/Unit/Performance/Supporting Files/Unit.xctestplan': File not found.
warning: 'spi-builder-workspace': Invalid Exclude '/host/spi-builder-workspace/Tests/Performance/Performance/Supporting Files/Performance.xctestplan': File not found.
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[3/13] Emitting module Papyrus
/host/spi-builder-workspace/Sources/Papyrus/Logger.swift:2:8: error: no such module 'os'
 1 | import Foundation
 2 | import os
   |        `- error: no such module 'os'
 3 |
 4 | struct Logger {
[4/13] Compiling Papyrus AsyncSequence.swift
/host/spi-builder-workspace/Sources/Papyrus/Logger.swift:2:8: error: no such module 'os'
 1 | import Foundation
 2 | import os
   |        `- error: no such module 'os'
 3 |
 4 | struct Logger {
[5/13] Compiling Papyrus AsyncStream.swift
/host/spi-builder-workspace/Sources/Papyrus/Logger.swift:2:8: error: no such module 'os'
 1 | import Foundation
 2 | import os
   |        `- error: no such module 'os'
 3 |
 4 | struct Logger {
[6/14] Compiling Papyrus CollectionQuery.swift
/host/spi-builder-workspace/Sources/Papyrus/Logger.swift:2:8: error: no such module 'os'
 1 | import Foundation
 2 | import os
   |        `- error: no such module 'os'
 3 |
 4 | struct Logger {
[7/14] Compiling Papyrus PapyrusStore.swift
/host/spi-builder-workspace/Sources/Papyrus/Logger.swift:2:8: error: no such module 'os'
 1 | import Foundation
 2 | import os
   |        `- error: no such module 'os'
 3 |
 4 | struct Logger {
[8/14] Compiling Papyrus ObjectChange.swift
/host/spi-builder-workspace/Sources/Papyrus/Logger.swift:2:8: error: no such module 'os'
 1 | import Foundation
 2 | import os
   |        `- error: no such module 'os'
 3 |
 4 | struct Logger {
[9/14] Compiling Papyrus Logger.swift
/host/spi-builder-workspace/Sources/Papyrus/Logger.swift:2:8: error: no such module 'os'
 1 | import Foundation
 2 | import os
   |        `- error: no such module 'os'
 3 |
 4 | struct Logger {
[10/14] Compiling Papyrus DirectoryObserver.swift
/host/spi-builder-workspace/Sources/Papyrus/Logger.swift:2:8: error: no such module 'os'
 1 | import Foundation
 2 | import os
   |        `- error: no such module 'os'
 3 |
 4 | struct Logger {
[11/14] Compiling Papyrus Papyrus.swift
/host/spi-builder-workspace/Sources/Papyrus/Logger.swift:2:8: error: no such module 'os'
 1 | import Foundation
 2 | import os
   |        `- error: no such module 'os'
 3 |
 4 | struct Logger {
[12/14] Compiling Papyrus AsyncThrowingStream.swift
/host/spi-builder-workspace/Sources/Papyrus/Logger.swift:2:8: error: no such module 'os'
 1 | import Foundation
 2 | import os
   |        `- error: no such module 'os'
 3 |
 4 | struct Logger {
[13/14] Compiling Papyrus Fail.swift
/host/spi-builder-workspace/Sources/Papyrus/Logger.swift:2:8: error: no such module 'os'
 1 | import Foundation
 2 | import os
   |        `- error: no such module 'os'
 3 |
 4 | struct Logger {
[14/14] Compiling Papyrus ObjectQuery.swift
/host/spi-builder-workspace/Sources/Papyrus/Logger.swift:2:8: error: no such module 'os'
 1 | import Foundation
 2 | import os
   |        `- error: no such module 'os'
 3 |
 4 | struct Logger {
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/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/Tests/Unit/Performance/Supporting Files/Unit.xctestplan': File not found.
warning: 'spi-builder-workspace': Invalid Exclude '/host/spi-builder-workspace/Tests/Performance/Performance/Supporting Files/Performance.xctestplan': File not found.
warning: 'spi-builder-workspace': found 1 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
    /host/spi-builder-workspace/Tests/Unit/Supporting Files/Unit.xctestplan
warning: 'spi-builder-workspace': found 1 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
    /host/spi-builder-workspace/Tests/Performance/Supporting Files/Performance.xctestplan
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
[2/12] Compiling Papyrus Logger.swift
/host/spi-builder-workspace/Sources/Papyrus/Logger.swift:2:8: error: no such module 'os'
 1 | import Foundation
 2 | import os
   |        `- error: no such module 'os'
 3 |
 4 | struct Logger {
[3/12] Compiling Papyrus DirectoryObserver.swift
/host/spi-builder-workspace/Sources/Papyrus/Logger.swift:2:8: error: no such module 'os'
 1 | import Foundation
 2 | import os
   |        `- error: no such module 'os'
 3 |
 4 | struct Logger {
[4/13] Compiling Papyrus AsyncThrowingStream.swift
/host/spi-builder-workspace/Sources/Papyrus/Logger.swift:2:8: error: no such module 'os'
 1 | import Foundation
 2 | import os
   |        `- error: no such module 'os'
 3 |
 4 | struct Logger {
[5/13] Compiling Papyrus Fail.swift
/host/spi-builder-workspace/Sources/Papyrus/Logger.swift:2:8: error: no such module 'os'
 1 | import Foundation
 2 | import os
   |        `- error: no such module 'os'
 3 |
 4 | struct Logger {
[6/13] Compiling Papyrus ObjectChange.swift
/host/spi-builder-workspace/Sources/Papyrus/Logger.swift:2:8: error: no such module 'os'
 1 | import Foundation
 2 | import os
   |        `- error: no such module 'os'
 3 |
 4 | struct Logger {
[7/13] Compiling Papyrus Papyrus.swift
/host/spi-builder-workspace/Sources/Papyrus/Logger.swift:2:8: error: no such module 'os'
 1 | import Foundation
 2 | import os
   |        `- error: no such module 'os'
 3 |
 4 | struct Logger {
error: emit-module command failed with exit code 1 (use -v to see invocation)
[8/13] Emitting module Papyrus
/host/spi-builder-workspace/Sources/Papyrus/Logger.swift:2:8: error: no such module 'os'
 1 | import Foundation
 2 | import os
   |        `- error: no such module 'os'
 3 |
 4 | struct Logger {
[9/13] Compiling Papyrus AsyncSequence.swift
/host/spi-builder-workspace/Sources/Papyrus/Logger.swift:2:8: error: no such module 'os'
 1 | import Foundation
 2 | import os
   |        `- error: no such module 'os'
 3 |
 4 | struct Logger {
[10/13] Compiling Papyrus AsyncStream.swift
/host/spi-builder-workspace/Sources/Papyrus/Logger.swift:2:8: error: no such module 'os'
 1 | import Foundation
 2 | import os
   |        `- error: no such module 'os'
 3 |
 4 | struct Logger {
[11/13] Compiling Papyrus CollectionQuery.swift
/host/spi-builder-workspace/Sources/Papyrus/Logger.swift:2:8: error: no such module 'os'
 1 | import Foundation
 2 | import os
   |        `- error: no such module 'os'
 3 |
 4 | struct Logger {
[12/13] Compiling Papyrus PapyrusStore.swift
/host/spi-builder-workspace/Sources/Papyrus/Logger.swift:2:8: error: no such module 'os'
 1 | import Foundation
 2 | import os
   |        `- error: no such module 'os'
 3 |
 4 | struct Logger {
[13/13] Compiling Papyrus ObjectQuery.swift
/host/spi-builder-workspace/Sources/Papyrus/Logger.swift:2:8: error: no such module 'os'
 1 | import Foundation
 2 | import os
   |        `- error: no such module 'os'
 3 |
 4 | struct Logger {
BUILD FAILURE 6.1 linux