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Build Information

Successful build of Hitch, reference v0.4.153 (067a1e), with Swift 6.1 for macOS (SPM) on 9 Apr 2026 19:21:56 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 InferSendableFromCaptures

Build Log

========================================
RunAll
========================================
Builder version: 4.69.2
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/KittyMac/Hitch.git
Reference: v0.4.153
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/KittyMac/Hitch
 * tag               v0.4.153   -> FETCH_HEAD
HEAD is now at 067a1e3 potential fixes for memory issues
Cloned https://github.com/KittyMac/Hitch.git
Revision (git rev-parse @):
067a1e36837a8e62461841665715028bf3b48f5f
SUCCESS checkout https://github.com/KittyMac/Hitch.git at v0.4.153
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/KittyMac/Hitch.git
https://github.com/KittyMac/Hitch.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Hitch",
  "name" : "Hitch",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Hitch",
      "targets" : [
        "Hitch"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "HitchTests",
      "module_type" : "SwiftTarget",
      "name" : "HitchTests",
      "path" : "Tests/HitchTests",
      "sources" : [
        "HalfHitchTests.swift",
        "HitchFormatTests.swift",
        "HitchPerformanceTests.swift",
        "HitchTests.swift"
      ],
      "target_dependencies" : [
        "Hitch"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Hitch",
      "module_type" : "SwiftTarget",
      "name" : "Hitch",
      "path" : "Sources/Hitch",
      "product_memberships" : [
        "Hitch"
      ],
      "sources" : [
        "CHitch.swift",
        "HalfHitch.swift",
        "Hitch+Base32.swift",
        "Hitch+Base64.swift",
        "Hitch+CodeBlock.swift",
        "Hitch+Format.swift",
        "Hitch+FormatOperator.swift",
        "Hitch+MD5.swift",
        "Hitch+Shared.swift",
        "Hitch.swift",
        "Utility/Int8+Ascii.swift",
        "Utility/UInt8+Ascii.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
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
[3/14] Compiling Hitch Int8+Ascii.swift
[4/15] Compiling Hitch Hitch+MD5.swift
[5/15] Compiling Hitch CHitch.swift
/Users/admin/builder/spi-builder-workspace/Sources/Hitch/CHitch.swift:165:20: warning: 'assign(from:count:)' is deprecated: renamed to 'update(from:count:)'
 163 |     c.mutableData = chitch_internal_malloc(count + nullPad)
 164 |     c.castedMutableData = UnsafePointer(c.mutableData)
 165 |     c.mutableData?.assign(from: raw, count: count)
     |                    |- warning: 'assign(from:count:)' is deprecated: renamed to 'update(from:count:)'
     |                    `- note: use 'update(from:count:)' instead
 166 |     nullify(&c)
 167 |     return c
/Users/admin/builder/spi-builder-workspace/Sources/Hitch/CHitch.swift:178:20: warning: 'assign(from:count:)' is deprecated: renamed to 'update(from:count:)'
 176 |     c.mutableData = chitch_internal_malloc(count + nullPad)
 177 |     c.castedMutableData = UnsafePointer(c.mutableData)
 178 |     c.mutableData?.assign(from: raw, count: count)
     |                    |- warning: 'assign(from:count:)' is deprecated: renamed to 'update(from:count:)'
     |                    `- note: use 'update(from:count:)' instead
 179 |     nullify(&c)
 180 |     return c
/Users/admin/builder/spi-builder-workspace/Sources/Hitch/CHitch.swift:191:19: warning: 'assign(from:count:)' is deprecated: renamed to 'update(from:count:)'
 189 |    c.mutableData = raw
 190 |    c.castedMutableData = UnsafePointer(c.mutableData)
 191 |    c.mutableData?.assign(from: raw, count: count)
     |                   |- warning: 'assign(from:count:)' is deprecated: renamed to 'update(from:count:)'
     |                   `- note: use 'update(from:count:)' instead
 192 |    nullify(&c)
 193 |    return c
/Users/admin/builder/spi-builder-workspace/Sources/Hitch/CHitch.swift:559:26: warning: 'assign(from:count:)' is deprecated: renamed to 'update(from:count:)'
 557 |     guard let c0_data = c0.mutableData else { return }
 558 |
 559 |     (c0_data + c0.count).assign(from: rhs, count: rhs_count)
     |                          |- warning: 'assign(from:count:)' is deprecated: renamed to 'update(from:count:)'
     |                          `- note: use 'update(from:count:)' instead
 560 |     c0.count += rhs_count
 561 |     nullify(&c0)
/Users/admin/builder/spi-builder-workspace/Sources/Hitch/HalfHitch.swift:10:23: warning: static property 'empty' is not concurrency-safe because non-'Sendable' type 'HalfHitch' may have shared mutable state; this is an error in the Swift 6 language mode
  6 | /// processing on existing data without copies or allocations, then HalfHitch is your answer.
  7 | /// Note: as you can gather from the above, use HalfHitch carefully!
  8 | public struct HalfHitch: Hitchable, CustomStringConvertible, ExpressibleByStringLiteral, Sequence, Comparable, Hashable, Codable {
    |               `- note: consider making struct 'HalfHitch' conform to the 'Sendable' protocol
  9 |
 10 |     public static let empty: HalfHitch = ""
    |                       |- warning: static property 'empty' is not concurrency-safe because non-'Sendable' type 'HalfHitch' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: add '@MainActor' to make static property 'empty' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 11 |
 12 |
[6/15] Compiling Hitch HalfHitch.swift
/Users/admin/builder/spi-builder-workspace/Sources/Hitch/CHitch.swift:165:20: warning: 'assign(from:count:)' is deprecated: renamed to 'update(from:count:)'
 163 |     c.mutableData = chitch_internal_malloc(count + nullPad)
 164 |     c.castedMutableData = UnsafePointer(c.mutableData)
 165 |     c.mutableData?.assign(from: raw, count: count)
     |                    |- warning: 'assign(from:count:)' is deprecated: renamed to 'update(from:count:)'
     |                    `- note: use 'update(from:count:)' instead
 166 |     nullify(&c)
 167 |     return c
/Users/admin/builder/spi-builder-workspace/Sources/Hitch/CHitch.swift:178:20: warning: 'assign(from:count:)' is deprecated: renamed to 'update(from:count:)'
 176 |     c.mutableData = chitch_internal_malloc(count + nullPad)
 177 |     c.castedMutableData = UnsafePointer(c.mutableData)
 178 |     c.mutableData?.assign(from: raw, count: count)
     |                    |- warning: 'assign(from:count:)' is deprecated: renamed to 'update(from:count:)'
     |                    `- note: use 'update(from:count:)' instead
 179 |     nullify(&c)
 180 |     return c
/Users/admin/builder/spi-builder-workspace/Sources/Hitch/CHitch.swift:191:19: warning: 'assign(from:count:)' is deprecated: renamed to 'update(from:count:)'
 189 |    c.mutableData = raw
 190 |    c.castedMutableData = UnsafePointer(c.mutableData)
 191 |    c.mutableData?.assign(from: raw, count: count)
     |                   |- warning: 'assign(from:count:)' is deprecated: renamed to 'update(from:count:)'
     |                   `- note: use 'update(from:count:)' instead
 192 |    nullify(&c)
 193 |    return c
/Users/admin/builder/spi-builder-workspace/Sources/Hitch/CHitch.swift:559:26: warning: 'assign(from:count:)' is deprecated: renamed to 'update(from:count:)'
 557 |     guard let c0_data = c0.mutableData else { return }
 558 |
 559 |     (c0_data + c0.count).assign(from: rhs, count: rhs_count)
     |                          |- warning: 'assign(from:count:)' is deprecated: renamed to 'update(from:count:)'
     |                          `- note: use 'update(from:count:)' instead
 560 |     c0.count += rhs_count
 561 |     nullify(&c0)
/Users/admin/builder/spi-builder-workspace/Sources/Hitch/HalfHitch.swift:10:23: warning: static property 'empty' is not concurrency-safe because non-'Sendable' type 'HalfHitch' may have shared mutable state; this is an error in the Swift 6 language mode
  6 | /// processing on existing data without copies or allocations, then HalfHitch is your answer.
  7 | /// Note: as you can gather from the above, use HalfHitch carefully!
  8 | public struct HalfHitch: Hitchable, CustomStringConvertible, ExpressibleByStringLiteral, Sequence, Comparable, Hashable, Codable {
    |               `- note: consider making struct 'HalfHitch' conform to the 'Sendable' protocol
  9 |
 10 |     public static let empty: HalfHitch = ""
    |                       |- warning: static property 'empty' is not concurrency-safe because non-'Sendable' type 'HalfHitch' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: add '@MainActor' to make static property 'empty' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 11 |
 12 |
[7/15] Emitting module Hitch
/Users/admin/builder/spi-builder-workspace/Sources/Hitch/HalfHitch.swift:10:23: warning: static property 'empty' is not concurrency-safe because non-'Sendable' type 'HalfHitch' may have shared mutable state; this is an error in the Swift 6 language mode
  6 | /// processing on existing data without copies or allocations, then HalfHitch is your answer.
  7 | /// Note: as you can gather from the above, use HalfHitch carefully!
  8 | public struct HalfHitch: Hitchable, CustomStringConvertible, ExpressibleByStringLiteral, Sequence, Comparable, Hashable, Codable {
    |               `- note: consider making struct 'HalfHitch' conform to the 'Sendable' protocol
  9 |
 10 |     public static let empty: HalfHitch = ""
    |                       |- warning: static property 'empty' is not concurrency-safe because non-'Sendable' type 'HalfHitch' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: add '@MainActor' to make static property 'empty' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 11 |
 12 |
/Users/admin/builder/spi-builder-workspace/Sources/Hitch/Hitch+Format.swift:4:5: warning: let 'trueHitch' is not concurrency-safe because non-'Sendable' type 'Hitch' may have shared mutable state; this is an error in the Swift 6 language mode
  2 |
  3 |
  4 | let trueHitch: Hitch = "true"
    |     |- warning: let 'trueHitch' is not concurrency-safe because non-'Sendable' type 'Hitch' may have shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: add '@MainActor' to make let 'trueHitch' part of global actor 'MainActor'
    |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  5 |
  6 | let falseHitch: Hitch = "false"
/Users/admin/builder/spi-builder-workspace/Sources/Hitch/Hitch.swift:35:20: note: class 'Hitch' does not conform to the 'Sendable' protocol
 33 | // Note: being a subclass of NSObject is required (BOO) due to runtime crash on Linux when storing Hitch values in a dictionary
 34 | // See unit test testCastAnyToHitch().
 35 | public final class Hitch: NSObject, Hitchable, ExpressibleByStringLiteral, Sequence, Comparable, Codable {
    |                    `- note: class 'Hitch' does not conform to the 'Sendable' protocol
 36 |     public static let empty: Hitch = ""
 37 |
/Users/admin/builder/spi-builder-workspace/Sources/Hitch/Hitch+Format.swift:6:5: warning: let 'falseHitch' is not concurrency-safe because non-'Sendable' type 'Hitch' may have shared mutable state; this is an error in the Swift 6 language mode
  4 | let trueHitch: Hitch = "true"
  5 |
  6 | let falseHitch: Hitch = "false"
    |     |- warning: let 'falseHitch' is not concurrency-safe because non-'Sendable' type 'Hitch' may have shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: add '@MainActor' to make let 'falseHitch' part of global actor 'MainActor'
    |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  7 |
  8 | let errorHitch: Hitch = "error"
/Users/admin/builder/spi-builder-workspace/Sources/Hitch/Hitch.swift:35:20: note: class 'Hitch' does not conform to the 'Sendable' protocol
 33 | // Note: being a subclass of NSObject is required (BOO) due to runtime crash on Linux when storing Hitch values in a dictionary
 34 | // See unit test testCastAnyToHitch().
 35 | public final class Hitch: NSObject, Hitchable, ExpressibleByStringLiteral, Sequence, Comparable, Codable {
    |                    `- note: class 'Hitch' does not conform to the 'Sendable' protocol
 36 |     public static let empty: Hitch = ""
 37 |
/Users/admin/builder/spi-builder-workspace/Sources/Hitch/Hitch+Format.swift:8:5: warning: let 'errorHitch' is not concurrency-safe because non-'Sendable' type 'Hitch' may have shared mutable state; this is an error in the Swift 6 language mode
  6 | let falseHitch: Hitch = "false"
  7 |
  8 | let errorHitch: Hitch = "error"
    |     |- warning: let 'errorHitch' is not concurrency-safe because non-'Sendable' type 'Hitch' may have shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: add '@MainActor' to make let 'errorHitch' part of global actor 'MainActor'
    |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  9 |
 10 | let nullHitch: Hitch = "null"
/Users/admin/builder/spi-builder-workspace/Sources/Hitch/Hitch.swift:35:20: note: class 'Hitch' does not conform to the 'Sendable' protocol
 33 | // Note: being a subclass of NSObject is required (BOO) due to runtime crash on Linux when storing Hitch values in a dictionary
 34 | // See unit test testCastAnyToHitch().
 35 | public final class Hitch: NSObject, Hitchable, ExpressibleByStringLiteral, Sequence, Comparable, Codable {
    |                    `- note: class 'Hitch' does not conform to the 'Sendable' protocol
 36 |     public static let empty: Hitch = ""
 37 |
/Users/admin/builder/spi-builder-workspace/Sources/Hitch/Hitch+Format.swift:10:5: warning: let 'nullHitch' is not concurrency-safe because non-'Sendable' type 'Hitch' may have shared mutable state; this is an error in the Swift 6 language mode
  8 | let errorHitch: Hitch = "error"
  9 |
 10 | let nullHitch: Hitch = "null"
    |     |- warning: let 'nullHitch' is not concurrency-safe because non-'Sendable' type 'Hitch' may have shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: add '@MainActor' to make let 'nullHitch' part of global actor 'MainActor'
    |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 11 |
 12 |
/Users/admin/builder/spi-builder-workspace/Sources/Hitch/Hitch.swift:35:20: note: class 'Hitch' does not conform to the 'Sendable' protocol
 33 | // Note: being a subclass of NSObject is required (BOO) due to runtime crash on Linux when storing Hitch values in a dictionary
 34 | // See unit test testCastAnyToHitch().
 35 | public final class Hitch: NSObject, Hitchable, ExpressibleByStringLiteral, Sequence, Comparable, Codable {
    |                    `- note: class 'Hitch' does not conform to the 'Sendable' protocol
 36 |     public static let empty: Hitch = ""
 37 |
/Users/admin/builder/spi-builder-workspace/Sources/Hitch/Hitch+Shared.swift:138:12: warning: let 'nullptr' is not concurrency-safe because non-'Sendable' type 'UnsafePointer<UInt8>' may have shared mutable state; this is an error in the Swift 6 language mode
 136 | }
 137 |
 138 | public let nullptr = UnsafePointer<UInt8>(bitPattern: 1)!
     |            |- warning: let 'nullptr' is not concurrency-safe because non-'Sendable' type 'UnsafePointer<UInt8>' may have shared mutable state; this is an error in the Swift 6 language mode
     |            |- note: add '@MainActor' to make let 'nullptr' part of global actor 'MainActor'
     |            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 139 |
 140 | public extension ArraySlice where Element == UInt8 {
Swift.UnsafePointer:1:23: note: generic struct 'UnsafePointer' does not conform to the 'Sendable' protocol
1 | @frozen public struct UnsafePointer<Pointee> : Copyable where Pointee : ~Copyable {
  |                       `- note: generic struct 'UnsafePointer' does not conform to the 'Sendable' protocol
2 |     public let _rawValue: Builtin.RawPointer
3 |     public init(_ _rawValue: Builtin.RawPointer)
/Users/admin/builder/spi-builder-workspace/Sources/Hitch/Hitch.swift:36:23: warning: static property 'empty' is not concurrency-safe because non-'Sendable' type 'Hitch' may have shared mutable state; this is an error in the Swift 6 language mode
 33 | // Note: being a subclass of NSObject is required (BOO) due to runtime crash on Linux when storing Hitch values in a dictionary
 34 | // See unit test testCastAnyToHitch().
 35 | public final class Hitch: NSObject, Hitchable, ExpressibleByStringLiteral, Sequence, Comparable, Codable {
    |                    `- note: class 'Hitch' does not conform to the 'Sendable' protocol
 36 |     public static let empty: Hitch = ""
    |                       |- warning: static property 'empty' is not concurrency-safe because non-'Sendable' type 'Hitch' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: add '@MainActor' to make static property 'empty' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 37 |
 38 |
[8/15] Compiling Hitch Hitch+CodeBlock.swift
[9/15] Compiling Hitch Hitch.swift
/Users/admin/builder/spi-builder-workspace/Sources/Hitch/Hitch.swift:36:23: warning: static property 'empty' is not concurrency-safe because non-'Sendable' type 'Hitch' may have shared mutable state; this is an error in the Swift 6 language mode
 33 | // Note: being a subclass of NSObject is required (BOO) due to runtime crash on Linux when storing Hitch values in a dictionary
 34 | // See unit test testCastAnyToHitch().
 35 | public final class Hitch: NSObject, Hitchable, ExpressibleByStringLiteral, Sequence, Comparable, Codable {
    |                    `- note: class 'Hitch' does not conform to the 'Sendable' protocol
 36 |     public static let empty: Hitch = ""
    |                       |- warning: static property 'empty' is not concurrency-safe because non-'Sendable' type 'Hitch' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: add '@MainActor' to make static property 'empty' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 37 |
 38 |
[10/15] Compiling Hitch Hitch+Format.swift
/Users/admin/builder/spi-builder-workspace/Sources/Hitch/Hitch+Format.swift:4:5: warning: let 'trueHitch' is not concurrency-safe because non-'Sendable' type 'Hitch' may have shared mutable state; this is an error in the Swift 6 language mode
  2 |
  3 |
  4 | let trueHitch: Hitch = "true"
    |     |- warning: let 'trueHitch' is not concurrency-safe because non-'Sendable' type 'Hitch' may have shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: add '@MainActor' to make let 'trueHitch' part of global actor 'MainActor'
    |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  5 |
  6 | let falseHitch: Hitch = "false"
/Users/admin/builder/spi-builder-workspace/Sources/Hitch/Hitch.swift:35:20: note: class 'Hitch' does not conform to the 'Sendable' protocol
 33 | // Note: being a subclass of NSObject is required (BOO) due to runtime crash on Linux when storing Hitch values in a dictionary
 34 | // See unit test testCastAnyToHitch().
 35 | public final class Hitch: NSObject, Hitchable, ExpressibleByStringLiteral, Sequence, Comparable, Codable {
    |                    `- note: class 'Hitch' does not conform to the 'Sendable' protocol
 36 |     public static let empty: Hitch = ""
 37 |
/Users/admin/builder/spi-builder-workspace/Sources/Hitch/Hitch+Format.swift:6:5: warning: let 'falseHitch' is not concurrency-safe because non-'Sendable' type 'Hitch' may have shared mutable state; this is an error in the Swift 6 language mode
  4 | let trueHitch: Hitch = "true"
  5 |
  6 | let falseHitch: Hitch = "false"
    |     |- warning: let 'falseHitch' is not concurrency-safe because non-'Sendable' type 'Hitch' may have shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: add '@MainActor' to make let 'falseHitch' part of global actor 'MainActor'
    |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  7 |
  8 | let errorHitch: Hitch = "error"
/Users/admin/builder/spi-builder-workspace/Sources/Hitch/Hitch.swift:35:20: note: class 'Hitch' does not conform to the 'Sendable' protocol
 33 | // Note: being a subclass of NSObject is required (BOO) due to runtime crash on Linux when storing Hitch values in a dictionary
 34 | // See unit test testCastAnyToHitch().
 35 | public final class Hitch: NSObject, Hitchable, ExpressibleByStringLiteral, Sequence, Comparable, Codable {
    |                    `- note: class 'Hitch' does not conform to the 'Sendable' protocol
 36 |     public static let empty: Hitch = ""
 37 |
/Users/admin/builder/spi-builder-workspace/Sources/Hitch/Hitch+Format.swift:8:5: warning: let 'errorHitch' is not concurrency-safe because non-'Sendable' type 'Hitch' may have shared mutable state; this is an error in the Swift 6 language mode
  6 | let falseHitch: Hitch = "false"
  7 |
  8 | let errorHitch: Hitch = "error"
    |     |- warning: let 'errorHitch' is not concurrency-safe because non-'Sendable' type 'Hitch' may have shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: add '@MainActor' to make let 'errorHitch' part of global actor 'MainActor'
    |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  9 |
 10 | let nullHitch: Hitch = "null"
/Users/admin/builder/spi-builder-workspace/Sources/Hitch/Hitch.swift:35:20: note: class 'Hitch' does not conform to the 'Sendable' protocol
 33 | // Note: being a subclass of NSObject is required (BOO) due to runtime crash on Linux when storing Hitch values in a dictionary
 34 | // See unit test testCastAnyToHitch().
 35 | public final class Hitch: NSObject, Hitchable, ExpressibleByStringLiteral, Sequence, Comparable, Codable {
    |                    `- note: class 'Hitch' does not conform to the 'Sendable' protocol
 36 |     public static let empty: Hitch = ""
 37 |
/Users/admin/builder/spi-builder-workspace/Sources/Hitch/Hitch+Format.swift:10:5: warning: let 'nullHitch' is not concurrency-safe because non-'Sendable' type 'Hitch' may have shared mutable state; this is an error in the Swift 6 language mode
  8 | let errorHitch: Hitch = "error"
  9 |
 10 | let nullHitch: Hitch = "null"
    |     |- warning: let 'nullHitch' is not concurrency-safe because non-'Sendable' type 'Hitch' may have shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: add '@MainActor' to make let 'nullHitch' part of global actor 'MainActor'
    |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 11 |
 12 |
/Users/admin/builder/spi-builder-workspace/Sources/Hitch/Hitch.swift:35:20: note: class 'Hitch' does not conform to the 'Sendable' protocol
 33 | // Note: being a subclass of NSObject is required (BOO) due to runtime crash on Linux when storing Hitch values in a dictionary
 34 | // See unit test testCastAnyToHitch().
 35 | public final class Hitch: NSObject, Hitchable, ExpressibleByStringLiteral, Sequence, Comparable, Codable {
    |                    `- note: class 'Hitch' does not conform to the 'Sendable' protocol
 36 |     public static let empty: Hitch = ""
 37 |
[11/15] Compiling Hitch Hitch+FormatOperator.swift
[12/15] Compiling Hitch Hitch+Base32.swift
[13/15] Compiling Hitch Hitch+Base64.swift
[14/15] Compiling Hitch Hitch+Shared.swift
/Users/admin/builder/spi-builder-workspace/Sources/Hitch/Hitch+Shared.swift:138:12: warning: let 'nullptr' is not concurrency-safe because non-'Sendable' type 'UnsafePointer<UInt8>' may have shared mutable state; this is an error in the Swift 6 language mode
 136 | }
 137 |
 138 | public let nullptr = UnsafePointer<UInt8>(bitPattern: 1)!
     |            |- warning: let 'nullptr' is not concurrency-safe because non-'Sendable' type 'UnsafePointer<UInt8>' may have shared mutable state; this is an error in the Swift 6 language mode
     |            |- note: add '@MainActor' to make let 'nullptr' part of global actor 'MainActor'
     |            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 139 |
 140 | public extension ArraySlice where Element == UInt8 {
Swift.UnsafePointer:1:23: note: generic struct 'UnsafePointer' does not conform to the 'Sendable' protocol
1 | @frozen public struct UnsafePointer<Pointee> : Copyable where Pointee : ~Copyable {
  |                       `- note: generic struct 'UnsafePointer' does not conform to the 'Sendable' protocol
2 |     public let _rawValue: Builtin.RawPointer
3 |     public init(_ _rawValue: Builtin.RawPointer)
[15/15] Compiling Hitch UInt8+Ascii.swift
Build complete! (5.26s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Hitch",
  "name" : "Hitch",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Hitch",
      "targets" : [
        "Hitch"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "HitchTests",
      "module_type" : "SwiftTarget",
      "name" : "HitchTests",
      "path" : "Tests/HitchTests",
      "sources" : [
        "HalfHitchTests.swift",
        "HitchFormatTests.swift",
        "HitchPerformanceTests.swift",
        "HitchTests.swift"
      ],
      "target_dependencies" : [
        "Hitch"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Hitch",
      "module_type" : "SwiftTarget",
      "name" : "Hitch",
      "path" : "Sources/Hitch",
      "product_memberships" : [
        "Hitch"
      ],
      "sources" : [
        "CHitch.swift",
        "HalfHitch.swift",
        "Hitch+Base32.swift",
        "Hitch+Base64.swift",
        "Hitch+CodeBlock.swift",
        "Hitch+Format.swift",
        "Hitch+FormatOperator.swift",
        "Hitch+MD5.swift",
        "Hitch+Shared.swift",
        "Hitch.swift",
        "Utility/Int8+Ascii.swift",
        "Utility/UInt8+Ascii.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
Done.