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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 XMLDocument, reference 1.0.0 (5b78bc), with Swift 6.0 for Linux on 8 Dec 2024 07:12:03 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/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 -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

Build Log

========================================
RunAll
========================================
Builder version: 4.58.5
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/kewlbear/XMLDocument.git
Reference: 1.0.0
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/kewlbear/XMLDocument
 * tag               1.0.0      -> FETCH_HEAD
HEAD is now at 5b78bcc implemented basic functionality
Cloned https://github.com/kewlbear/XMLDocument.git
Revision (git rev-parse @):
5b78bcc99c3810ffdf099c00ce8fc50a20c37577
SUCCESS checkout https://github.com/kewlbear/XMLDocument.git at 1.0.0
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $PWD
https://github.com/kewlbear/XMLDocument.git
https://github.com/kewlbear/XMLDocument.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
  ],
  "manifest_display_name" : "XMLDocument",
  "name" : "XMLDocument",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "XMLDocument",
      "targets" : [
        "XMLDocument"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "libxml2XMLDocument",
      "module_type" : "SystemLibraryTarget",
      "name" : "libxml2XMLDocument",
      "path" : "Sources/libxml2",
      "product_memberships" : [
        "XMLDocument"
      ],
      "sources" : [
      ],
      "type" : "system-target"
    },
    {
      "c99name" : "XMLDocumentTests",
      "module_type" : "SwiftTarget",
      "name" : "XMLDocumentTests",
      "path" : "Tests/XMLDocumentTests",
      "sources" : [
        "XCTestManifests.swift",
        "XMLDocumentTests.swift"
      ],
      "target_dependencies" : [
        "XMLDocument"
      ],
      "type" : "test"
    },
    {
      "c99name" : "XMLDocument",
      "module_type" : "SwiftTarget",
      "name" : "XMLDocument",
      "path" : "Sources/XMLDocument",
      "product_memberships" : [
        "XMLDocument"
      ],
      "sources" : [
        "XMLDocument.swift"
      ],
      "target_dependencies" : [
        "libxml2XMLDocument"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.1"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$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 -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: sha256:47d26c99ca4f1ac0a332c85fd5b13ff4390e72115219984a57a68fe9d1063a05
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
error: emit-module command failed with exit code 1 (use -v to see invocation)
[3/4] Emitting module XMLDocument
/host/spi-builder-workspace/Sources/XMLDocument/XMLDocument.swift:39:6: error: Objective-C interoperability is disabled
 37 |     private let _docPtr: xmlDocPtr?
 38 |
 39 |     @objc
    |      `- error: Objective-C interoperability is disabled
 40 |     public init(data: Data, options: Int) throws {
 41 |         let encoding: String.Encoding = .utf8
[4/4] Compiling XMLDocument XMLDocument.swift
/host/spi-builder-workspace/Sources/XMLDocument/XMLDocument.swift:39:6: error: Objective-C interoperability is disabled
 37 |     private let _docPtr: xmlDocPtr?
 38 |
 39 |     @objc
    |      `- error: Objective-C interoperability is disabled
 40 |     public init(data: Data, options: Int) throws {
 41 |         let encoding: String.Encoding = .utf8
/host/spi-builder-workspace/Sources/XMLDocument/XMLDocument.swift:44:33: error: cannot find 'CFStringConvertEncodingToIANACharSetName' in scope
 42 |         let xml = String(data: data, encoding: encoding)
 43 |
 44 |         guard let charsetName = CFStringConvertEncodingToIANACharSetName(CFStringConvertNSStringEncodingToEncoding(encoding.rawValue)) as String?,
    |                                 `- error: cannot find 'CFStringConvertEncodingToIANACharSetName' in scope
 45 |             let cur = xml?.cString(using: encoding) else {
 46 |                 throw XMLError.invalidStringEncoding
/host/spi-builder-workspace/Sources/XMLDocument/XMLDocument.swift:44:74: error: cannot find 'CFStringConvertNSStringEncodingToEncoding' in scope
 42 |         let xml = String(data: data, encoding: encoding)
 43 |
 44 |         guard let charsetName = CFStringConvertEncodingToIANACharSetName(CFStringConvertNSStringEncodingToEncoding(encoding.rawValue)) as String?,
    |                                                                          `- error: cannot find 'CFStringConvertNSStringEncodingToEncoding' in scope
 45 |             let cur = xml?.cString(using: encoding) else {
 46 |                 throw XMLError.invalidStringEncoding
/host/spi-builder-workspace/Sources/XMLDocument/XMLDocument.swift:51:30: warning: initialization of 'UnsafeRawPointer' results in a dangling pointer
 49 |         let option = 0
 50 |         // FIXME: xmlParseMemory?
 51 |         _docPtr = xmlReadDoc(UnsafeRawPointer(cur).assumingMemoryBound(to: xmlChar.self), url, charsetName, CInt(option))
    |                              |                |- note: implicit argument conversion from '[CChar]' (aka 'Array<Int8>') to 'UnsafeRawPointer' produces a pointer valid only for the duration of the call to 'init(_:)'
    |                              |                `- note: use the 'withUnsafeBytes' method on Array in order to explicitly convert argument to buffer pointer valid for a defined scope
    |                              `- warning: initialization of 'UnsafeRawPointer' results in a dangling pointer
 52 |
 53 |         super.init(nodePtr: nil, owner: nil)
/host/spi-builder-workspace/Sources/XMLDocument/XMLDocument.swift:234:25: warning: reference to var 'xmlFree' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
232 |                     let content = xmlNodeGetContent($0)
233 |                     defer {
234 |                         xmlFree(content)
    |                         `- warning: reference to var 'xmlFree' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
235 |                     }
236 |                     return content.flatMap { String(utf8String: UnsafeRawPointer($0).assumingMemoryBound(to: CChar.self)) }
libxml2XMLDocument.xmlFree:1:12: note: var declared here
1 | public var xmlFree: xmlFreeFunc!
  |            `- note: var declared here
/host/spi-builder-workspace/Sources/XMLDocument/XMLDocument.swift:246:17: warning: reference to var 'xmlFree' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
244 |                 let escaped = xmlEncodeSpecialChars(node.pointee.doc, newValue ?? "")
245 |                 xmlNodeSetContent(node, escaped)
246 |                 xmlFree(escaped)
    |                 `- warning: reference to var 'xmlFree' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
247 |             }
248 |         }
libxml2XMLDocument.xmlFree:1:12: note: var declared here
1 | public var xmlFree: xmlFreeFunc!
  |            `- note: var declared here
BUILD FAILURE 6.0 linux