Swift Package IndexBuild Information
Successful build of xml-coding, reference main (b6a2ae), with Swift 6.1 for macOS (SPM) on 26 Apr 2025 13:43:38 UTC.
Swift 6 data race errors: 7
Build Command
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -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 InferSendableFromCapturesBuild Log
========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/adam-fowler/xml-coding.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/adam-fowler/xml-coding
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at b6a2ae2 Fix decoding of optional attributes (#6)
Cloned https://github.com/adam-fowler/xml-coding.git
Revision (git rev-parse @):
b6a2ae25464959f41cd167047ee47fe5bb681c6c
SUCCESS checkout https://github.com/adam-fowler/xml-coding.git at main
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
"identity": ".resolve-product-dependencies",
"name": "resolve-dependencies",
"url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
"dependencies": [
{
"identity": "xml-coding",
"name": "xml-coding",
"url": "https://github.com/adam-fowler/xml-coding.git",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/xml-coding",
"dependencies": [
]
}
]
}
Fetching https://github.com/adam-fowler/xml-coding.git
[1/434] Fetching xml-coding
Fetched https://github.com/adam-fowler/xml-coding.git from cache (1.00s)
Creating working copy for https://github.com/adam-fowler/xml-coding.git
Working copy of https://github.com/adam-fowler/xml-coding.git resolved at main (b6a2ae2)
warning: '.resolve-product-dependencies': dependency 'xml-coding' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform: macosSpm
Swift version: 6.1
Building package at path: $PWD
https://github.com/adam-fowler/xml-coding.git
https://github.com/adam-fowler/xml-coding.git
{
"dependencies" : [
],
"manifest_display_name" : "xml-coding",
"name" : "xml-coding",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
],
"products" : [
{
"name" : "XMLCoding",
"targets" : [
"XMLCoding"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "XMLCodingTests",
"module_type" : "SwiftTarget",
"name" : "XMLCodingTests",
"path" : "Tests/XMLCodingTests",
"sources" : [
"XMLEncoderTests.swift",
"XMLTests.swift"
],
"target_dependencies" : [
"XMLCoding"
],
"type" : "test"
},
{
"c99name" : "XMLCoding",
"module_type" : "SwiftTarget",
"name" : "XMLCoding",
"path" : "Sources/XMLCoding",
"product_memberships" : [
"XMLCoding"
],
"sources" : [
"CodableProperties/CodableProperties.swift",
"CodableProperties/CollectionCoders.swift",
"XML.swift",
"XMLDecoder.swift",
"XMLEncoder.swift"
],
"type" : "library"
}
],
"tools_version" : "5.1"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -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
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-2F0A5646E1D333AE.txt
[3/8] Compiling XMLCoding XMLDecoder.swift
/Users/admin/builder/spi-builder-workspace/Sources/XMLCoding/XMLDecoder.swift:753:17: warning: var '_iso8601Formatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
751 | // NOTE: This value is implicitly lazy and _must_ be lazy. We're compiled against the latest SDK (w/ ISO8601DateFormatter), but linked against whichever Foundation the user has. ISO8601DateFormatter might not exist, so we better not hit this code path on an older OS.
752 | @available(macOS 10.12, iOS 10.0, watchOS 3.0, tvOS 10.0, *)
753 | fileprivate var _iso8601Formatter: ISO8601DateFormatter = {
| |- warning: var '_iso8601Formatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert '_iso8601Formatter' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make var '_iso8601Formatter' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
754 | let formatter = ISO8601DateFormatter()
755 | formatter.formatOptions = .withInternetDateTime
[4/8] Compiling XMLCoding XML.swift
/Users/admin/builder/spi-builder-workspace/Sources/XMLCoding/XML.swift:39:27: warning: static property 'nodeCompactEmptyElement' is not concurrency-safe because non-'Sendable' type 'XML.Options' may have shared mutable state; this is an error in the Swift 6 language mode
33 |
34 | /// Options for parsing and outputting XML Data
35 | public struct Options : OptionSet {
| `- note: consider making struct 'Options' conform to the 'Sendable' protocol
36 | public let rawValue: Int
37 |
38 | /// if an XML Element has no children then output as `<element />`. Default is to output `<element></element>`
39 | public static let nodeCompactEmptyElement = Options(rawValue: 1 << 0)
| |- warning: static property 'nodeCompactEmptyElement' is not concurrency-safe because non-'Sendable' type 'XML.Options' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'nodeCompactEmptyElement' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
40 | /// output XML as human readable
41 | public static let nodePrettyPrint = Options(rawValue: 1 << 4)
/Users/admin/builder/spi-builder-workspace/Sources/XMLCoding/XML.swift:41:27: warning: static property 'nodePrettyPrint' is not concurrency-safe because non-'Sendable' type 'XML.Options' may have shared mutable state; this is an error in the Swift 6 language mode
33 |
34 | /// Options for parsing and outputting XML Data
35 | public struct Options : OptionSet {
| `- note: consider making struct 'Options' conform to the 'Sendable' protocol
36 | public let rawValue: Int
37 |
:
39 | public static let nodeCompactEmptyElement = Options(rawValue: 1 << 0)
40 | /// output XML as human readable
41 | public static let nodePrettyPrint = Options(rawValue: 1 << 4)
| |- warning: static property 'nodePrettyPrint' is not concurrency-safe because non-'Sendable' type 'XML.Options' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'nodePrettyPrint' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
42 | /// flag that XML Node should be output as CDATA
43 | public static let nodeIsCDATA = Options(rawValue: 1 << 5)
/Users/admin/builder/spi-builder-workspace/Sources/XMLCoding/XML.swift:43:27: warning: static property 'nodeIsCDATA' is not concurrency-safe because non-'Sendable' type 'XML.Options' may have shared mutable state; this is an error in the Swift 6 language mode
33 |
34 | /// Options for parsing and outputting XML Data
35 | public struct Options : OptionSet {
| `- note: consider making struct 'Options' conform to the 'Sendable' protocol
36 | public let rawValue: Int
37 |
:
41 | public static let nodePrettyPrint = Options(rawValue: 1 << 4)
42 | /// flag that XML Node should be output as CDATA
43 | public static let nodeIsCDATA = Options(rawValue: 1 << 5)
| |- warning: static property 'nodeIsCDATA' is not concurrency-safe because non-'Sendable' type 'XML.Options' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'nodeIsCDATA' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
44 |
45 | /// when parsing XML preserve the whitespace sections
/Users/admin/builder/spi-builder-workspace/Sources/XMLCoding/XML.swift:46:27: warning: static property 'nodePreserveWhitespace' is not concurrency-safe because non-'Sendable' type 'XML.Options' may have shared mutable state; this is an error in the Swift 6 language mode
33 |
34 | /// Options for parsing and outputting XML Data
35 | public struct Options : OptionSet {
| `- note: consider making struct 'Options' conform to the 'Sendable' protocol
36 | public let rawValue: Int
37 |
:
44 |
45 | /// when parsing XML preserve the whitespace sections
46 | public static let nodePreserveWhitespace = Options(rawValue: 1 << 16)
| |- warning: static property 'nodePreserveWhitespace' is not concurrency-safe because non-'Sendable' type 'XML.Options' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'nodePreserveWhitespace' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
47 | /// when parsing XML preserve the CDATA text elements
48 | public static let nodePreserveCDATA = Options(rawValue: 1 << 18)
/Users/admin/builder/spi-builder-workspace/Sources/XMLCoding/XML.swift:48:27: warning: static property 'nodePreserveCDATA' is not concurrency-safe because non-'Sendable' type 'XML.Options' may have shared mutable state; this is an error in the Swift 6 language mode
33 |
34 | /// Options for parsing and outputting XML Data
35 | public struct Options : OptionSet {
| `- note: consider making struct 'Options' conform to the 'Sendable' protocol
36 | public let rawValue: Int
37 |
:
46 | public static let nodePreserveWhitespace = Options(rawValue: 1 << 16)
47 | /// when parsing XML preserve the CDATA text elements
48 | public static let nodePreserveCDATA = Options(rawValue: 1 << 18)
| |- warning: static property 'nodePreserveCDATA' is not concurrency-safe because non-'Sendable' type 'XML.Options' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'nodePreserveCDATA' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
49 |
50 | public init(rawValue: Int) {
[5/8] Emitting module XMLCoding
/Users/admin/builder/spi-builder-workspace/Sources/XMLCoding/XML.swift:39:27: warning: static property 'nodeCompactEmptyElement' is not concurrency-safe because non-'Sendable' type 'XML.Options' may have shared mutable state; this is an error in the Swift 6 language mode
33 |
34 | /// Options for parsing and outputting XML Data
35 | public struct Options : OptionSet {
| `- note: consider making struct 'Options' conform to the 'Sendable' protocol
36 | public let rawValue: Int
37 |
38 | /// if an XML Element has no children then output as `<element />`. Default is to output `<element></element>`
39 | public static let nodeCompactEmptyElement = Options(rawValue: 1 << 0)
| |- warning: static property 'nodeCompactEmptyElement' is not concurrency-safe because non-'Sendable' type 'XML.Options' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'nodeCompactEmptyElement' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
40 | /// output XML as human readable
41 | public static let nodePrettyPrint = Options(rawValue: 1 << 4)
/Users/admin/builder/spi-builder-workspace/Sources/XMLCoding/XML.swift:41:27: warning: static property 'nodePrettyPrint' is not concurrency-safe because non-'Sendable' type 'XML.Options' may have shared mutable state; this is an error in the Swift 6 language mode
33 |
34 | /// Options for parsing and outputting XML Data
35 | public struct Options : OptionSet {
| `- note: consider making struct 'Options' conform to the 'Sendable' protocol
36 | public let rawValue: Int
37 |
:
39 | public static let nodeCompactEmptyElement = Options(rawValue: 1 << 0)
40 | /// output XML as human readable
41 | public static let nodePrettyPrint = Options(rawValue: 1 << 4)
| |- warning: static property 'nodePrettyPrint' is not concurrency-safe because non-'Sendable' type 'XML.Options' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'nodePrettyPrint' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
42 | /// flag that XML Node should be output as CDATA
43 | public static let nodeIsCDATA = Options(rawValue: 1 << 5)
/Users/admin/builder/spi-builder-workspace/Sources/XMLCoding/XML.swift:43:27: warning: static property 'nodeIsCDATA' is not concurrency-safe because non-'Sendable' type 'XML.Options' may have shared mutable state; this is an error in the Swift 6 language mode
33 |
34 | /// Options for parsing and outputting XML Data
35 | public struct Options : OptionSet {
| `- note: consider making struct 'Options' conform to the 'Sendable' protocol
36 | public let rawValue: Int
37 |
:
41 | public static let nodePrettyPrint = Options(rawValue: 1 << 4)
42 | /// flag that XML Node should be output as CDATA
43 | public static let nodeIsCDATA = Options(rawValue: 1 << 5)
| |- warning: static property 'nodeIsCDATA' is not concurrency-safe because non-'Sendable' type 'XML.Options' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'nodeIsCDATA' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
44 |
45 | /// when parsing XML preserve the whitespace sections
/Users/admin/builder/spi-builder-workspace/Sources/XMLCoding/XML.swift:46:27: warning: static property 'nodePreserveWhitespace' is not concurrency-safe because non-'Sendable' type 'XML.Options' may have shared mutable state; this is an error in the Swift 6 language mode
33 |
34 | /// Options for parsing and outputting XML Data
35 | public struct Options : OptionSet {
| `- note: consider making struct 'Options' conform to the 'Sendable' protocol
36 | public let rawValue: Int
37 |
:
44 |
45 | /// when parsing XML preserve the whitespace sections
46 | public static let nodePreserveWhitespace = Options(rawValue: 1 << 16)
| |- warning: static property 'nodePreserveWhitespace' is not concurrency-safe because non-'Sendable' type 'XML.Options' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'nodePreserveWhitespace' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
47 | /// when parsing XML preserve the CDATA text elements
48 | public static let nodePreserveCDATA = Options(rawValue: 1 << 18)
/Users/admin/builder/spi-builder-workspace/Sources/XMLCoding/XML.swift:48:27: warning: static property 'nodePreserveCDATA' is not concurrency-safe because non-'Sendable' type 'XML.Options' may have shared mutable state; this is an error in the Swift 6 language mode
33 |
34 | /// Options for parsing and outputting XML Data
35 | public struct Options : OptionSet {
| `- note: consider making struct 'Options' conform to the 'Sendable' protocol
36 | public let rawValue: Int
37 |
:
46 | public static let nodePreserveWhitespace = Options(rawValue: 1 << 16)
47 | /// when parsing XML preserve the CDATA text elements
48 | public static let nodePreserveCDATA = Options(rawValue: 1 << 18)
| |- warning: static property 'nodePreserveCDATA' is not concurrency-safe because non-'Sendable' type 'XML.Options' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'nodePreserveCDATA' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
49 |
50 | public init(rawValue: Int) {
/Users/admin/builder/spi-builder-workspace/Sources/XMLCoding/XMLDecoder.swift:753:17: warning: var '_iso8601Formatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
751 | // NOTE: This value is implicitly lazy and _must_ be lazy. We're compiled against the latest SDK (w/ ISO8601DateFormatter), but linked against whichever Foundation the user has. ISO8601DateFormatter might not exist, so we better not hit this code path on an older OS.
752 | @available(macOS 10.12, iOS 10.0, watchOS 3.0, tvOS 10.0, *)
753 | fileprivate var _iso8601Formatter: ISO8601DateFormatter = {
| |- warning: var '_iso8601Formatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert '_iso8601Formatter' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make var '_iso8601Formatter' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
754 | let formatter = ISO8601DateFormatter()
755 | formatter.formatOptions = .withInternetDateTime
/Users/admin/builder/spi-builder-workspace/Sources/XMLCoding/XMLEncoder.swift:693:17: warning: var '_iso8601Formatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
691 | // NOTE: This value is implicitly lazy and _must_ be lazy. We're compiled against the latest SDK (w/ ISO8601DateFormatter), but linked against whichever Foundation the user has. ISO8601DateFormatter might not exist, so we better not hit this code path on an older OS.
692 | @available(macOS 10.12, iOS 10.0, watchOS 3.0, tvOS 10.0, *)
693 | fileprivate var _iso8601Formatter: ISO8601DateFormatter = {
| |- warning: var '_iso8601Formatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert '_iso8601Formatter' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make var '_iso8601Formatter' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
694 | let formatter = ISO8601DateFormatter()
695 | formatter.formatOptions = .withInternetDateTime
[6/8] Compiling XMLCoding CollectionCoders.swift
[7/8] Compiling XMLCoding XMLEncoder.swift
/Users/admin/builder/spi-builder-workspace/Sources/XMLCoding/XMLEncoder.swift:693:17: warning: var '_iso8601Formatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
691 | // NOTE: This value is implicitly lazy and _must_ be lazy. We're compiled against the latest SDK (w/ ISO8601DateFormatter), but linked against whichever Foundation the user has. ISO8601DateFormatter might not exist, so we better not hit this code path on an older OS.
692 | @available(macOS 10.12, iOS 10.0, watchOS 3.0, tvOS 10.0, *)
693 | fileprivate var _iso8601Formatter: ISO8601DateFormatter = {
| |- warning: var '_iso8601Formatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert '_iso8601Formatter' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make var '_iso8601Formatter' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
694 | let formatter = ISO8601DateFormatter()
695 | formatter.formatOptions = .withInternetDateTime
[8/8] Compiling XMLCoding CodableProperties.swift
Build complete! (4.61s)
Build complete.
{
"dependencies" : [
],
"manifest_display_name" : "xml-coding",
"name" : "xml-coding",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
],
"products" : [
{
"name" : "XMLCoding",
"targets" : [
"XMLCoding"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "XMLCodingTests",
"module_type" : "SwiftTarget",
"name" : "XMLCodingTests",
"path" : "Tests/XMLCodingTests",
"sources" : [
"XMLEncoderTests.swift",
"XMLTests.swift"
],
"target_dependencies" : [
"XMLCoding"
],
"type" : "test"
},
{
"c99name" : "XMLCoding",
"module_type" : "SwiftTarget",
"name" : "XMLCoding",
"path" : "Sources/XMLCoding",
"product_memberships" : [
"XMLCoding"
],
"sources" : [
"CodableProperties/CodableProperties.swift",
"CodableProperties/CollectionCoders.swift",
"XML.swift",
"XMLDecoder.swift",
"XMLEncoder.swift"
],
"type" : "library"
}
],
"tools_version" : "5.1"
}
Done.