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Build Information

Successful build of universal, reference main (157cb9), with Swift 6.1 for macOS (SPM) on 25 Mar 2026 10:01:05 UTC.

Swift 6 data race errors: 6

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 InferSendableFromCaptures

Build Log

========================================
RunAll
========================================
Builder version: 4.69.2
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/marcprux/universal.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/marcprux/universal
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 157cb9c Update Android workflow (#4)
Cloned https://github.com/marcprux/universal.git
Revision (git rev-parse @):
157cb9c1a8f58f96bca1512b373e287f37aef3c3
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/marcprux/universal.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/marcprux/universal.git
https://github.com/marcprux/universal.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "universal",
  "name" : "universal",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Either",
      "targets" : [
        "Either"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "XML",
      "targets" : [
        "XML"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "YAML",
      "targets" : [
        "YAML"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "JSON",
      "targets" : [
        "JSON"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "PLIST",
      "targets" : [
        "PLIST"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "Universal",
      "targets" : [
        "Universal"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "YAMLTests",
      "module_type" : "SwiftTarget",
      "name" : "YAMLTests",
      "path" : "Tests/YAMLTests",
      "sources" : [
        "YAMLTests.swift"
      ],
      "target_dependencies" : [
        "YAML"
      ],
      "type" : "test"
    },
    {
      "c99name" : "YAML",
      "module_type" : "SwiftTarget",
      "name" : "YAML",
      "path" : "Sources/YAML",
      "product_memberships" : [
        "YAML",
        "Universal"
      ],
      "sources" : [
        "YAML.swift"
      ],
      "target_dependencies" : [
        "Either"
      ],
      "type" : "library"
    },
    {
      "c99name" : "XMLTests",
      "module_type" : "SwiftTarget",
      "name" : "XMLTests",
      "path" : "Tests/XMLTests",
      "sources" : [
        "XMLTests.swift"
      ],
      "target_dependencies" : [
        "XML"
      ],
      "type" : "test"
    },
    {
      "c99name" : "XML",
      "module_type" : "SwiftTarget",
      "name" : "XML",
      "path" : "Sources/XML",
      "product_memberships" : [
        "XML",
        "Universal"
      ],
      "sources" : [
        "XML.swift"
      ],
      "target_dependencies" : [
        "Either"
      ],
      "type" : "library"
    },
    {
      "c99name" : "UniversalTests",
      "module_type" : "SwiftTarget",
      "name" : "UniversalTests",
      "path" : "Tests/UniversalTests",
      "sources" : [
        "UniversalTests.swift"
      ],
      "target_dependencies" : [
        "Universal"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Universal",
      "module_type" : "SwiftTarget",
      "name" : "Universal",
      "path" : "Sources/Universal",
      "product_memberships" : [
        "Universal"
      ],
      "sources" : [
        "Universal.swift"
      ],
      "target_dependencies" : [
        "XML",
        "YAML",
        "JSON",
        "PLIST"
      ],
      "type" : "library"
    },
    {
      "c99name" : "PLISTTests",
      "module_type" : "SwiftTarget",
      "name" : "PLISTTests",
      "path" : "Tests/PLISTTests",
      "sources" : [
        "PLISTTests.swift"
      ],
      "target_dependencies" : [
        "PLIST"
      ],
      "type" : "test"
    },
    {
      "c99name" : "PLIST",
      "module_type" : "SwiftTarget",
      "name" : "PLIST",
      "path" : "Sources/PLIST",
      "product_memberships" : [
        "PLIST",
        "Universal"
      ],
      "sources" : [
        "PLIST.swift"
      ],
      "target_dependencies" : [
        "Either"
      ],
      "type" : "library"
    },
    {
      "c99name" : "JSONTests",
      "module_type" : "SwiftTarget",
      "name" : "JSONTests",
      "path" : "Tests/JSONTests",
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/JSONTests/testdata",
          "rule" : {
            "copy" : {
            }
          }
        }
      ],
      "sources" : [
        "JSONParserTests.swift",
        "JSONTests.swift"
      ],
      "target_dependencies" : [
        "JSON"
      ],
      "type" : "test"
    },
    {
      "c99name" : "JSON",
      "module_type" : "SwiftTarget",
      "name" : "JSON",
      "path" : "Sources/JSON",
      "product_memberships" : [
        "JSON",
        "Universal"
      ],
      "sources" : [
        "JSON.swift",
        "JSONCoding.swift",
        "JSONParser.swift",
        "JSONX.swift"
      ],
      "target_dependencies" : [
        "Either"
      ],
      "type" : "library"
    },
    {
      "c99name" : "EitherTests",
      "module_type" : "SwiftTarget",
      "name" : "EitherTests",
      "path" : "Tests/EitherTests",
      "sources" : [
        "EitherTests.swift"
      ],
      "target_dependencies" : [
        "Either"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Either",
      "module_type" : "SwiftTarget",
      "name" : "Either",
      "path" : "Sources/Either",
      "product_memberships" : [
        "Either",
        "XML",
        "YAML",
        "JSON",
        "PLIST",
        "Universal"
      ],
      "sources" : [
        "Either.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.4"
}
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...
[0/7] Write sources
[6/7] Write swift-version-2F0A5646E1D333AE.txt
[8/9] Emitting module Either
/Users/admin/builder/spi-builder-workspace/Sources/Either/Either.swift:319:1: warning: extension declares a conformance of imported type 'Never' to imported protocol 'Decodable'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future
317 |
318 | /// Useful extension for when a `OneOfX<A, B, …, Never>` wants to be treated as `Codable`
319 | extension Never : Decodable {
    | |- warning: extension declares a conformance of imported type 'Never' to imported protocol 'Decodable'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future
    | `- note: add '@retroactive' to silence this warning
320 |     /// Throws an error, since it should never be decodable
321 |     public init(from decoder: Decoder) throws {
/Users/admin/builder/spi-builder-workspace/Sources/Either/Either.swift:327:1: warning: extension declares a conformance of imported type 'Never' to imported protocol 'Encodable'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future
325 |
326 | /// Useful extension for when a `OneOfX<A, B, …, Never>` wants to be treated as `Codable`
327 | extension Never : Encodable {
    | |- warning: extension declares a conformance of imported type 'Never' to imported protocol 'Encodable'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future
    | `- note: add '@retroactive' to silence this warning
328 |     /// Throws an error, since it should never be encodable
329 |     public func encode(to encoder: Encoder) throws {
[9/9] Compiling Either Either.swift
/Users/admin/builder/spi-builder-workspace/Sources/Either/Either.swift:319:1: warning: extension declares a conformance of imported type 'Never' to imported protocol 'Decodable'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future
317 |
318 | /// Useful extension for when a `OneOfX<A, B, …, Never>` wants to be treated as `Codable`
319 | extension Never : Decodable {
    | |- warning: extension declares a conformance of imported type 'Never' to imported protocol 'Decodable'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future
    | `- note: add '@retroactive' to silence this warning
320 |     /// Throws an error, since it should never be decodable
321 |     public init(from decoder: Decoder) throws {
/Users/admin/builder/spi-builder-workspace/Sources/Either/Either.swift:327:1: warning: extension declares a conformance of imported type 'Never' to imported protocol 'Encodable'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future
325 |
326 | /// Useful extension for when a `OneOfX<A, B, …, Never>` wants to be treated as `Codable`
327 | extension Never : Encodable {
    | |- warning: extension declares a conformance of imported type 'Never' to imported protocol 'Encodable'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future
    | `- note: add '@retroactive' to silence this warning
328 |     /// Throws an error, since it should never be encodable
329 |     public func encode(to encoder: Encoder) throws {
[10/20] Compiling JSON JSONX.swift
[11/20] Compiling JSON JSONParser.swift
[12/20] Compiling PLIST PLIST.swift
[13/20] Emitting module PLIST
[14/20] Emitting module XML
/Users/admin/builder/spi-builder-workspace/Sources/XML/XML.swift:285:27: warning: static property 'resolveExternalEntities' is not concurrency-safe because non-'Sendable' type 'XMLNode.Options' may have shared mutable state; this is an error in the Swift 6 language mode
280 |
281 |     /// Options for configuring the `XMLParser`
282 |     public struct Options: OptionSet, Hashable {
    |                   `- note: consider making struct 'Options' conform to the 'Sendable' protocol
283 |         public let rawValue: Int
284 |
285 |         public static let resolveExternalEntities = Self(rawValue: 1 << 0)
    |                           |- warning: static property 'resolveExternalEntities' is not concurrency-safe because non-'Sendable' type 'XMLNode.Options' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'resolveExternalEntities' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
286 |         public static let reportNamespacePrefixes = Self(rawValue: 1 << 1)
287 |         public static let processNamespaces = Self(rawValue: 1 << 2)
/Users/admin/builder/spi-builder-workspace/Sources/XML/XML.swift:286:27: warning: static property 'reportNamespacePrefixes' is not concurrency-safe because non-'Sendable' type 'XMLNode.Options' may have shared mutable state; this is an error in the Swift 6 language mode
280 |
281 |     /// Options for configuring the `XMLParser`
282 |     public struct Options: OptionSet, Hashable {
    |                   `- note: consider making struct 'Options' conform to the 'Sendable' protocol
283 |         public let rawValue: Int
284 |
285 |         public static let resolveExternalEntities = Self(rawValue: 1 << 0)
286 |         public static let reportNamespacePrefixes = Self(rawValue: 1 << 1)
    |                           |- warning: static property 'reportNamespacePrefixes' is not concurrency-safe because non-'Sendable' type 'XMLNode.Options' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'reportNamespacePrefixes' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
287 |         public static let processNamespaces = Self(rawValue: 1 << 2)
288 |         public static let tidyHTML = Self(rawValue: 1 << 3)
/Users/admin/builder/spi-builder-workspace/Sources/XML/XML.swift:287:27: warning: static property 'processNamespaces' is not concurrency-safe because non-'Sendable' type 'XMLNode.Options' may have shared mutable state; this is an error in the Swift 6 language mode
280 |
281 |     /// Options for configuring the `XMLParser`
282 |     public struct Options: OptionSet, Hashable {
    |                   `- note: consider making struct 'Options' conform to the 'Sendable' protocol
283 |         public let rawValue: Int
284 |
285 |         public static let resolveExternalEntities = Self(rawValue: 1 << 0)
286 |         public static let reportNamespacePrefixes = Self(rawValue: 1 << 1)
287 |         public static let processNamespaces = Self(rawValue: 1 << 2)
    |                           |- warning: static property 'processNamespaces' is not concurrency-safe because non-'Sendable' type 'XMLNode.Options' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'processNamespaces' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
288 |         public static let tidyHTML = Self(rawValue: 1 << 3)
289 |
/Users/admin/builder/spi-builder-workspace/Sources/XML/XML.swift:288:27: warning: static property 'tidyHTML' is not concurrency-safe because non-'Sendable' type 'XMLNode.Options' may have shared mutable state; this is an error in the Swift 6 language mode
280 |
281 |     /// Options for configuring the `XMLParser`
282 |     public struct Options: OptionSet, Hashable {
    |                   `- note: consider making struct 'Options' conform to the 'Sendable' protocol
283 |         public let rawValue: Int
284 |
    :
286 |         public static let reportNamespacePrefixes = Self(rawValue: 1 << 1)
287 |         public static let processNamespaces = Self(rawValue: 1 << 2)
288 |         public static let tidyHTML = Self(rawValue: 1 << 3)
    |                           |- warning: static property 'tidyHTML' is not concurrency-safe because non-'Sendable' type 'XMLNode.Options' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'tidyHTML' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
289 |
290 |         public init(rawValue: Int) {
[15/20] Compiling XML XML.swift
/Users/admin/builder/spi-builder-workspace/Sources/XML/XML.swift:285:27: warning: static property 'resolveExternalEntities' is not concurrency-safe because non-'Sendable' type 'XMLNode.Options' may have shared mutable state; this is an error in the Swift 6 language mode
280 |
281 |     /// Options for configuring the `XMLParser`
282 |     public struct Options: OptionSet, Hashable {
    |                   `- note: consider making struct 'Options' conform to the 'Sendable' protocol
283 |         public let rawValue: Int
284 |
285 |         public static let resolveExternalEntities = Self(rawValue: 1 << 0)
    |                           |- warning: static property 'resolveExternalEntities' is not concurrency-safe because non-'Sendable' type 'XMLNode.Options' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'resolveExternalEntities' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
286 |         public static let reportNamespacePrefixes = Self(rawValue: 1 << 1)
287 |         public static let processNamespaces = Self(rawValue: 1 << 2)
/Users/admin/builder/spi-builder-workspace/Sources/XML/XML.swift:286:27: warning: static property 'reportNamespacePrefixes' is not concurrency-safe because non-'Sendable' type 'XMLNode.Options' may have shared mutable state; this is an error in the Swift 6 language mode
280 |
281 |     /// Options for configuring the `XMLParser`
282 |     public struct Options: OptionSet, Hashable {
    |                   `- note: consider making struct 'Options' conform to the 'Sendable' protocol
283 |         public let rawValue: Int
284 |
285 |         public static let resolveExternalEntities = Self(rawValue: 1 << 0)
286 |         public static let reportNamespacePrefixes = Self(rawValue: 1 << 1)
    |                           |- warning: static property 'reportNamespacePrefixes' is not concurrency-safe because non-'Sendable' type 'XMLNode.Options' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'reportNamespacePrefixes' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
287 |         public static let processNamespaces = Self(rawValue: 1 << 2)
288 |         public static let tidyHTML = Self(rawValue: 1 << 3)
/Users/admin/builder/spi-builder-workspace/Sources/XML/XML.swift:287:27: warning: static property 'processNamespaces' is not concurrency-safe because non-'Sendable' type 'XMLNode.Options' may have shared mutable state; this is an error in the Swift 6 language mode
280 |
281 |     /// Options for configuring the `XMLParser`
282 |     public struct Options: OptionSet, Hashable {
    |                   `- note: consider making struct 'Options' conform to the 'Sendable' protocol
283 |         public let rawValue: Int
284 |
285 |         public static let resolveExternalEntities = Self(rawValue: 1 << 0)
286 |         public static let reportNamespacePrefixes = Self(rawValue: 1 << 1)
287 |         public static let processNamespaces = Self(rawValue: 1 << 2)
    |                           |- warning: static property 'processNamespaces' is not concurrency-safe because non-'Sendable' type 'XMLNode.Options' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'processNamespaces' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
288 |         public static let tidyHTML = Self(rawValue: 1 << 3)
289 |
/Users/admin/builder/spi-builder-workspace/Sources/XML/XML.swift:288:27: warning: static property 'tidyHTML' is not concurrency-safe because non-'Sendable' type 'XMLNode.Options' may have shared mutable state; this is an error in the Swift 6 language mode
280 |
281 |     /// Options for configuring the `XMLParser`
282 |     public struct Options: OptionSet, Hashable {
    |                   `- note: consider making struct 'Options' conform to the 'Sendable' protocol
283 |         public let rawValue: Int
284 |
    :
286 |         public static let reportNamespacePrefixes = Self(rawValue: 1 << 1)
287 |         public static let processNamespaces = Self(rawValue: 1 << 2)
288 |         public static let tidyHTML = Self(rawValue: 1 << 3)
    |                           |- warning: static property 'tidyHTML' is not concurrency-safe because non-'Sendable' type 'XMLNode.Options' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'tidyHTML' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
289 |
290 |         public init(rawValue: Int) {
[16/20] Compiling YAML YAML.swift
/Users/admin/builder/spi-builder-workspace/Sources/YAML/YAML.swift:137:1: warning: extension declares a conformance of imported type 'Or' to imported protocol 'CustomStringConvertible'; this will not behave correctly if the owners of 'Either' introduce this conformance in the future
 135 | }
 136 |
 137 | extension YAML.Scalar: CustomStringConvertible {
     | |- warning: extension declares a conformance of imported type 'Or' to imported protocol 'CustomStringConvertible'; this will not behave correctly if the owners of 'Either' introduce this conformance in the future
     | `- note: add '@retroactive' to silence this warning
 138 |     public var description: String {
 139 |         func desc(_ value: String) -> String { ".string(\"\(value)\")" }
/Users/admin/builder/spi-builder-workspace/Sources/YAML/YAML.swift:213:1: warning: extension declares a conformance of imported type 'Or' to imported protocols 'ExpressibleByStringLiteral', 'ExpressibleByExtendedGraphemeClusterLiteral', 'ExpressibleByUnicodeScalarLiteral'; this will not behave correctly if the owners of 'Either' introduce this conformance in the future
 211 | }
 212 |
 213 | extension YAML.Scalar : ExpressibleByStringLiteral, ExpressibleByExtendedGraphemeClusterLiteral, ExpressibleByUnicodeScalarLiteral {
     | |- warning: extension declares a conformance of imported type 'Or' to imported protocols 'ExpressibleByStringLiteral', 'ExpressibleByExtendedGraphemeClusterLiteral', 'ExpressibleByUnicodeScalarLiteral'; this will not behave correctly if the owners of 'Either' introduce this conformance in the future
     | `- note: add '@retroactive' to silence this warning
 214 |     public init(stringLiteral value: StringLiteralType) {
 215 |         self = YAML.Scalar(.init(value))
/Users/admin/builder/spi-builder-workspace/Sources/YAML/YAML.swift:233:1: warning: extension declares a conformance of imported type 'Or' to imported protocol 'ExpressibleByNilLiteral'; this will not behave correctly if the owners of 'Either' introduce this conformance in the future
 231 | }
 232 |
 233 | extension YAML.Scalar : ExpressibleByNilLiteral {
     | |- warning: extension declares a conformance of imported type 'Or' to imported protocol 'ExpressibleByNilLiteral'; this will not behave correctly if the owners of 'Either' introduce this conformance in the future
     | `- note: add '@retroactive' to silence this warning
 234 |     public init(nilLiteral: ()) {
 235 |         self = YAML.Scalar.null
/Users/admin/builder/spi-builder-workspace/Sources/YAML/YAML.swift:384:13: warning: var 'error' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 382 | private typealias Context = YAMLParser.Context
 383 |
 384 | private var error = YAMLParser.Context.error
     |             |- warning: var 'error' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
     |             |- note: convert 'error' to a 'let' constant to make 'Sendable' shared state immutable
     |             |- note: add '@MainActor' to make var 'error' part of global actor 'MainActor'
     |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 385 |
 386 | private typealias ContextValue = (context: Context, value: YAML)
[17/20] Emitting module YAML
/Users/admin/builder/spi-builder-workspace/Sources/YAML/YAML.swift:137:1: warning: extension declares a conformance of imported type 'Or' to imported protocol 'CustomStringConvertible'; this will not behave correctly if the owners of 'Either' introduce this conformance in the future
 135 | }
 136 |
 137 | extension YAML.Scalar: CustomStringConvertible {
     | |- warning: extension declares a conformance of imported type 'Or' to imported protocol 'CustomStringConvertible'; this will not behave correctly if the owners of 'Either' introduce this conformance in the future
     | `- note: add '@retroactive' to silence this warning
 138 |     public var description: String {
 139 |         func desc(_ value: String) -> String { ".string(\"\(value)\")" }
/Users/admin/builder/spi-builder-workspace/Sources/YAML/YAML.swift:213:1: warning: extension declares a conformance of imported type 'Or' to imported protocols 'ExpressibleByStringLiteral', 'ExpressibleByExtendedGraphemeClusterLiteral', 'ExpressibleByUnicodeScalarLiteral'; this will not behave correctly if the owners of 'Either' introduce this conformance in the future
 211 | }
 212 |
 213 | extension YAML.Scalar : ExpressibleByStringLiteral, ExpressibleByExtendedGraphemeClusterLiteral, ExpressibleByUnicodeScalarLiteral {
     | |- warning: extension declares a conformance of imported type 'Or' to imported protocols 'ExpressibleByStringLiteral', 'ExpressibleByExtendedGraphemeClusterLiteral', 'ExpressibleByUnicodeScalarLiteral'; this will not behave correctly if the owners of 'Either' introduce this conformance in the future
     | `- note: add '@retroactive' to silence this warning
 214 |     public init(stringLiteral value: StringLiteralType) {
 215 |         self = YAML.Scalar(.init(value))
/Users/admin/builder/spi-builder-workspace/Sources/YAML/YAML.swift:233:1: warning: extension declares a conformance of imported type 'Or' to imported protocol 'ExpressibleByNilLiteral'; this will not behave correctly if the owners of 'Either' introduce this conformance in the future
 231 | }
 232 |
 233 | extension YAML.Scalar : ExpressibleByNilLiteral {
     | |- warning: extension declares a conformance of imported type 'Or' to imported protocol 'ExpressibleByNilLiteral'; this will not behave correctly if the owners of 'Either' introduce this conformance in the future
     | `- note: add '@retroactive' to silence this warning
 234 |     public init(nilLiteral: ()) {
 235 |         self = YAML.Scalar.null
/Users/admin/builder/spi-builder-workspace/Sources/YAML/YAML.swift:384:13: warning: var 'error' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 382 | private typealias Context = YAMLParser.Context
 383 |
 384 | private var error = YAMLParser.Context.error
     |             |- warning: var 'error' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
     |             |- note: convert 'error' to a 'let' constant to make 'Sendable' shared state immutable
     |             |- note: add '@MainActor' to make var 'error' part of global actor 'MainActor'
     |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 385 |
 386 | private typealias ContextValue = (context: Context, value: YAML)
[18/20] Emitting module JSON
/Users/admin/builder/spi-builder-workspace/Sources/JSON/JSONCoding.swift:1702:14: 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
1700 |
1701 | @available(macOS 10.12, iOS 10.0, watchOS 3.0, tvOS 10.0, *)
1702 | internal 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
1703 |     let formatter = ISO8601DateFormatter()
1704 |     formatter.formatOptions = .withInternetDateTime
/Users/admin/builder/spi-builder-workspace/Sources/JSON/JSONCoding.swift:1947:36: warning: type 'Any' does not conform to the 'Sendable' protocol
1945 |
1946 |             if let userInfo = userInfo {
1947 |                 encoder.userInfo = userInfo
     |                                    `- warning: type 'Any' does not conform to the 'Sendable' protocol
1948 |             }
1949 |
[19/20] Compiling JSON JSONCoding.swift
/Users/admin/builder/spi-builder-workspace/Sources/JSON/JSONCoding.swift:1702:14: 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
1700 |
1701 | @available(macOS 10.12, iOS 10.0, watchOS 3.0, tvOS 10.0, *)
1702 | internal 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
1703 |     let formatter = ISO8601DateFormatter()
1704 |     formatter.formatOptions = .withInternetDateTime
/Users/admin/builder/spi-builder-workspace/Sources/JSON/JSONCoding.swift:558:9: warning: switch must be exhaustive
 556 |     }
 557 |     fileprivate func box(_ date: Date) throws -> _JSONContainer {
 558 |         switch self.options.dateEncodingStrategy {
     |         |- warning: switch must be exhaustive
     |         `- note: add missing case: '.formatted(_)'
 559 |         case .deferredToDate:
 560 |             // Must be called with a surrounding with(pushedKey:) call.
/Users/admin/builder/spi-builder-workspace/Sources/JSON/JSONCoding.swift:1739:9: warning: switch must be exhaustive
1737 |
1738 |     fileprivate func unbox(_ value: JSON, as type: Date.Type) throws -> Date? {
1739 |         switch options.dateDecodingStrategy {
     |         |- warning: switch must be exhaustive
     |         `- note: add missing case: '.formatted(_)'
1740 |         case .deferredToDate:
1741 |             return try Date(from: self)
/Users/admin/builder/spi-builder-workspace/Sources/JSON/JSONCoding.swift:1901:36: warning: type 'Any' does not conform to the 'Sendable' protocol
1899 |
1900 |             if let userInfo = userInfo {
1901 |                 decoder.userInfo = userInfo
     |                                    `- warning: type 'Any' does not conform to the 'Sendable' protocol
1902 |             }
1903 |
/Users/admin/builder/spi-builder-workspace/Sources/JSON/JSONCoding.swift:1947:36: warning: type 'Any' does not conform to the 'Sendable' protocol
1945 |
1946 |             if let userInfo = userInfo {
1947 |                 encoder.userInfo = userInfo
     |                                    `- warning: type 'Any' does not conform to the 'Sendable' protocol
1948 |             }
1949 |
[20/20] Compiling JSON JSON.swift
[21/22] Emitting module Universal
[22/22] Compiling Universal Universal.swift
Build complete! (5.38s)
Build complete.
{
  "dependencies" : [
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  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
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  "products" : [
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    {
      "name" : "Universal",
      "targets" : [
        "Universal"
      ],
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  ],
  "targets" : [
    {
      "c99name" : "YAMLTests",
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      "module_type" : "SwiftTarget",
      "name" : "XMLTests",
      "path" : "Tests/XMLTests",
      "sources" : [
        "XMLTests.swift"
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      "target_dependencies" : [
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      "type" : "test"
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      "c99name" : "UniversalTests",
      "module_type" : "SwiftTarget",
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      "path" : "Tests/UniversalTests",
      "sources" : [
        "UniversalTests.swift"
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      "target_dependencies" : [
        "Universal"
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      "type" : "test"
    },
    {
      "c99name" : "Universal",
      "module_type" : "SwiftTarget",
      "name" : "Universal",
      "path" : "Sources/Universal",
      "product_memberships" : [
        "Universal"
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      "sources" : [
        "Universal.swift"
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      "target_dependencies" : [
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        "YAML",
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    {
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      "module_type" : "SwiftTarget",
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      "sources" : [
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      "target_dependencies" : [
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      "type" : "test"
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      "module_type" : "SwiftTarget",
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      "path" : "Tests/JSONTests",
      "resources" : [
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          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/JSONTests/testdata",
          "rule" : {
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      "type" : "test"
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Done.