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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

Successful build of CanonicalPackageURL, reference main (f7dc7d), with Swift 6.0 for Linux on 11 Apr 2025 09:44:10 UTC.

Swift 6 data race errors: 0

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/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 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.60.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/SwiftPackageIndex/CanonicalPackageURL.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/SwiftPackageIndex/CanonicalPackageURL
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at f7dc7d4 Merge pull request #10 from SwiftPackageIndex/swift-6
Cloned https://github.com/SwiftPackageIndex/CanonicalPackageURL.git
Revision (git rev-parse @):
f7dc7d49061fef2d347dabc532fb587fad17cc32
SUCCESS checkout https://github.com/SwiftPackageIndex/CanonicalPackageURL.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $PWD
https://github.com/SwiftPackageIndex/CanonicalPackageURL.git
https://github.com/SwiftPackageIndex/CanonicalPackageURL.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
    {
      "identity" : "swift-case-paths",
      "requirement" : {
        "revision" : [
          "1.0.0"
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/pointfreeco/swift-case-paths.git"
    },
    {
      "identity" : "swift-parsing",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.12.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/pointfreeco/swift-parsing.git"
    }
  ],
  "manifest_display_name" : "CanonicalPackageURL",
  "name" : "CanonicalPackageURL",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    }
  ],
  "products" : [
    {
      "name" : "CanonicalPackageURL",
      "targets" : [
        "CanonicalPackageURL"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "CanonicalPackageURLTests",
      "module_type" : "SwiftTarget",
      "name" : "CanonicalPackageURLTests",
      "path" : "Tests/CanonicalPackageURLTests",
      "sources" : [
        "CanonicalPackageURLTests.swift",
        "PublicInterfaceTests.swift"
      ],
      "target_dependencies" : [
        "CanonicalPackageURL"
      ],
      "type" : "test"
    },
    {
      "c99name" : "CanonicalPackageURL",
      "module_type" : "SwiftTarget",
      "name" : "CanonicalPackageURL",
      "path" : "Sources/CanonicalPackageURL",
      "product_dependencies" : [
        "Parsing"
      ],
      "product_memberships" : [
        "CanonicalPackageURL"
      ],
      "sources" : [
        "CanonicalPackageURL.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/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 2>&1
basic-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:9029076bb687edc160a3d5201c89e92dd9fa7309f33f090c4234365c83366c31
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
Fetching https://github.com/pointfreeco/swift-case-paths.git
[1/4368] Fetching swift-case-paths
Fetched https://github.com/pointfreeco/swift-case-paths.git from cache (0.25s)
Fetching https://github.com/pointfreeco/swift-parsing.git
Fetching https://github.com/pointfreeco/xctest-dynamic-overlay
[1/5342] Fetching xctest-dynamic-overlay
[5343/103223] Fetching xctest-dynamic-overlay, swift-parsing
Fetched https://github.com/pointfreeco/xctest-dynamic-overlay from cache (4.93s)
Fetched https://github.com/pointfreeco/swift-parsing.git from cache (5.01s)
Computing version for https://github.com/pointfreeco/swift-parsing.git
Computed https://github.com/pointfreeco/swift-parsing.git at 0.14.1 (0.46s)
Computing version for https://github.com/pointfreeco/xctest-dynamic-overlay
Computed https://github.com/pointfreeco/xctest-dynamic-overlay at 1.5.2 (0.47s)
Creating working copy for https://github.com/pointfreeco/xctest-dynamic-overlay
Working copy of https://github.com/pointfreeco/xctest-dynamic-overlay resolved at 1.5.2
Creating working copy for https://github.com/pointfreeco/swift-case-paths.git
Working copy of https://github.com/pointfreeco/swift-case-paths.git resolved at 1.0.0 (5da6989)
Creating working copy for https://github.com/pointfreeco/swift-parsing.git
Working copy of https://github.com/pointfreeco/swift-parsing.git resolved at 0.14.1
warning: 'spi-builder-workspace': dependency 'swift-case-paths' is not used by any target
Building for debugging...
[0/6] Write sources
[5/6] Write swift-version-24593BA9C3E375BF.txt
[7/25] Emitting module IssueReporting
[8/27] Compiling IssueReporting WithExpectedIssue.swift
[9/27] Compiling IssueReporting WithIssueContext.swift
[10/27] Compiling IssueReporting FailureObserver.swift
[11/27] Compiling IssueReporting LockIsolated.swift
[12/27] Compiling IssueReporting Rethrows.swift
[13/27] Compiling IssueReporting BreakpointReporter.swift
[14/27] Compiling IssueReporting FatalErrorReporter.swift
[15/27] Compiling IssueReporting TestContext.swift
[16/27] Compiling IssueReporting Unimplemented.swift
[17/27] Compiling IssueReporting ErrorReporting.swift
[18/27] Compiling IssueReporting AppHostWarning.swift
[19/27] Compiling IssueReporting Deprecations.swift
[20/27] Compiling IssueReporting SwiftTesting.swift
[21/27] Compiling IssueReporting UncheckedSendable.swift
[22/27] Compiling IssueReporting Warn.swift
[23/27] Compiling IssueReporting RuntimeWarningReporter.swift
[24/27] Compiling IssueReporting ReportIssue.swift
[25/27] Compiling IssueReporting XCTest.swift
[26/27] Compiling IssueReporting IsTesting.swift
[27/27] Compiling IssueReporting IssueReporter.swift
[29/31] Compiling XCTestDynamicOverlay Exports.swift
[30/31] Compiling XCTestDynamicOverlay Deprecations.swift
[31/31] Emitting module XCTestDynamicOverlay
[33/40] Compiling CasePaths OpenExistential.swift
[34/40] Compiling CasePaths Operators.swift
[35/40] Compiling CasePaths TypeName.swift
[36/40] Compiling CasePaths XCTUnwrap.swift
[37/40] Compiling CasePaths CasePaths.swift
[38/40] Compiling CasePaths EnumReflection.swift
[39/40] Compiling CasePaths CasePath.swift
[40/40] Emitting module CasePaths
[42/108] Compiling Parsing Identity.swift
[43/108] Compiling Parsing JSON.swift
[44/108] Compiling Parsing LosslessStringConvertible.swift
[45/108] Compiling Parsing Memberwise.swift
[46/108] Compiling Parsing ParseableFormatStyleConversion.swift
[47/108] Compiling Parsing RawRepresentable.swift
[48/108] Compiling Parsing String.swift
[49/108] Compiling Parsing Substring.swift
[50/108] Compiling Parsing UTF8View.swift
[51/108] Compiling Parsing ConvertingError.swift
[52/108] Compiling Parsing OneOfBuilder.swift
[53/108] Compiling Parsing ParserBuilder.swift
[54/108] Compiling Parsing Conversion.swift
[55/108] Compiling Parsing AnyConversion.swift
[56/108] Compiling Parsing BinaryFloatingPoint.swift
[57/108] Compiling Parsing ConversionMap.swift
[58/108] Compiling Parsing Conversions.swift
[59/108] Compiling Parsing Data.swift
[60/108] Compiling Parsing Enum.swift
[61/108] Compiling Parsing FixedWidthInteger.swift
[62/117] Compiling Parsing CountingRange.swift
[63/117] Compiling Parsing EmptyInitializable.swift
[64/117] Compiling Parsing AnyEquatable.swift
[65/117] Compiling Parsing Deprecations.swift
[66/117] Compiling Parsing Parser.swift
[67/117] Compiling Parsing ParserPrinter.swift
[68/117] Compiling Parsing Always.swift
[69/117] Compiling Parsing AnyParserPrinter.swift
[70/117] Compiling Parsing Backtracking.swift
[71/117] Compiling Parsing Bool.swift
[72/117] Compiling Parsing PrefixThrough.swift
[73/117] Compiling Parsing PrefixUpTo.swift
[74/117] Compiling Parsing Printing.swift
[75/117] Compiling Parsing Pullback.swift
[76/117] Compiling Parsing ReplaceError.swift
[77/117] Compiling Parsing Rest.swift
[78/117] Compiling Parsing Skip.swift
[79/117] Compiling Parsing StartsWith.swift
[80/117] Compiling Parsing UUID.swift
[81/117] Compiling Parsing CaseIterableRawRepresentable.swift
[82/117] Compiling Parsing CharacterSet.swift
[83/117] Compiling Parsing Conditional.swift
[84/117] Compiling Parsing Consumed.swift
[85/117] Compiling Parsing Digits.swift
[86/117] Compiling Parsing End.swift
[87/117] Compiling Parsing Fail.swift
[88/117] Compiling Parsing Filter.swift
[89/117] Compiling Parsing First.swift
[90/117] Compiling Parsing Float.swift
[91/117] Compiling Parsing From.swift
[92/117] Compiling Parsing Int.swift
[93/117] Compiling Parsing Lazy.swift
[94/117] Compiling Parsing Literal.swift
[95/117] Compiling Parsing Many.swift
[96/117] Compiling Parsing Map.swift
[97/117] Compiling Parsing Newline.swift
[98/117] Compiling Parsing Not.swift
[99/117] Compiling Parsing OneOf.swift
[100/117] Compiling Parsing OneOfMany.swift
[101/117] Compiling Parsing Optional.swift
[102/117] Compiling Parsing Optionally.swift
[103/117] Compiling Parsing Parse.swift
[104/117] Compiling Parsing ParseableFormatStyle.swift
[105/117] Compiling Parsing Peek.swift
[106/117] Compiling Parsing Pipe.swift
[107/117] Compiling Parsing Prefix.swift
[108/117] Compiling Parsing Whitespace.swift
[109/117] Compiling Parsing AnyParser.swift
[110/117] Compiling Parsing CompactMap.swift
[111/117] Compiling Parsing FlatMap.swift
[112/117] Compiling Parsing Parsers.swift
[113/117] Compiling Parsing Stream.swift
[114/117] Compiling Parsing ParsingError.swift
[115/117] Compiling Parsing PrependableCollection.swift
[116/117] Compiling Parsing PrintingError.swift
[117/117] Emitting module Parsing
[119/120] Emitting module CanonicalPackageURL
[120/120] Compiling CanonicalPackageURL CanonicalPackageURL.swift
Build complete! (26.57s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "swift-case-paths",
      "requirement" : {
        "revision" : [
          "1.0.0"
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/pointfreeco/swift-case-paths.git"
    },
    {
      "identity" : "swift-parsing",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.12.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/pointfreeco/swift-parsing.git"
    }
  ],
  "manifest_display_name" : "CanonicalPackageURL",
  "name" : "CanonicalPackageURL",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    }
  ],
  "products" : [
    {
      "name" : "CanonicalPackageURL",
      "targets" : [
        "CanonicalPackageURL"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "CanonicalPackageURLTests",
      "module_type" : "SwiftTarget",
      "name" : "CanonicalPackageURLTests",
      "path" : "Tests/CanonicalPackageURLTests",
      "sources" : [
        "CanonicalPackageURLTests.swift",
        "PublicInterfaceTests.swift"
      ],
      "target_dependencies" : [
        "CanonicalPackageURL"
      ],
      "type" : "test"
    },
    {
      "c99name" : "CanonicalPackageURL",
      "module_type" : "SwiftTarget",
      "name" : "CanonicalPackageURL",
      "path" : "Sources/CanonicalPackageURL",
      "product_dependencies" : [
        "Parsing"
      ],
      "product_memberships" : [
        "CanonicalPackageURL"
      ],
      "sources" : [
        "CanonicalPackageURL.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
basic-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:9029076bb687edc160a3d5201c89e92dd9fa7309f33f090c4234365c83366c31
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
Done.