The Swift Package Index logo.Swift Package Index

Has it really been five years since Swift Package Index launched? Read our anniversary blog post!

Build Information

Successful build of Echo, reference main (c93e53), with Swift 6.1 for macOS (SPM) on 30 Apr 2025 00:03:16 UTC.

Swift 6 data race errors: 4

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: 4.61.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/PADL/Echo.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/PADL/Echo
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at c93e53d Properly unwrap all existential containers
Cloned https://github.com/PADL/Echo.git
Revision (git rev-parse @):
c93e53d8c26830928283e8bf8c2158501841357d
SUCCESS checkout https://github.com/PADL/Echo.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/PADL/Echo.git
https://github.com/PADL/Echo.git
{
  "dependencies" : [
    {
      "identity" : "swift-atomics",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.0.1",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-atomics.git"
    }
  ],
  "manifest_display_name" : "Echo",
  "name" : "Echo",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Echo",
      "targets" : [
        "Echo"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "EchoTests",
      "module_type" : "SwiftTarget",
      "name" : "EchoTests",
      "path" : "Tests/EchoTests",
      "sources" : [
        "Context Descriptor/AnonymousDescriptor.swift",
        "Context Descriptor/ClassDescriptor.swift",
        "Context Descriptor/EnumDescriptor.swift",
        "Context Descriptor/ExtensionDescriptor.swift",
        "Context Descriptor/FieldDescriptor.swift",
        "Context Descriptor/GenericContext.swift",
        "Context Descriptor/ModuleDescriptor.swift",
        "Context Descriptor/ProtocolDescriptor.swift",
        "Context Descriptor/StructDescriptor.swift",
        "EchoTests.swift",
        "Metadata/ClassMetadata.swift",
        "Metadata/EnumMetadata.swift",
        "Metadata/ExistentialMetadata.swift",
        "Metadata/ExistentialMetatypeMetadata.swift",
        "Metadata/FunctionMetadata.swift",
        "Metadata/MetadataAccessFunction.swift",
        "Metadata/MetatypeMetadata.swift",
        "Metadata/ObjCClassWrapperMetadata.swift",
        "Metadata/OpaqueMetadata.swift",
        "Metadata/StructMetadata.swift",
        "Metadata/TupleMetadata.swift",
        "Runtime/ConformanceDescriptor.swift",
        "Runtime/ExistentialContainer.swift",
        "Runtime/ImageInspection.swift",
        "Utils/Misc.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "Echo"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Echo",
      "module_type" : "SwiftTarget",
      "name" : "Echo",
      "path" : "Sources/Echo",
      "product_dependencies" : [
        "Atomics"
      ],
      "product_memberships" : [
        "Echo"
      ],
      "sources" : [
        "ContextDescriptor/AnonymousDescriptor.swift",
        "ContextDescriptor/ClassDescriptor.swift",
        "ContextDescriptor/ContextDescriptor.swift",
        "ContextDescriptor/ContextDescriptorValues.swift",
        "ContextDescriptor/EnumDescriptor.swift",
        "ContextDescriptor/ExtensionDescriptor.swift",
        "ContextDescriptor/FieldDescriptor.swift",
        "ContextDescriptor/GenericContext.swift",
        "ContextDescriptor/ModuleDescriptor.swift",
        "ContextDescriptor/OpaqueDescriptor.swift",
        "ContextDescriptor/ProtocolDescriptor.swift",
        "ContextDescriptor/StructDescriptor.swift",
        "ContextDescriptor/TypeContextDescriptor.swift",
        "Echo.swift",
        "Metadata/ClassMetadata.swift",
        "Metadata/EnumMetadata.swift",
        "Metadata/EnumValueWitnessTable.swift",
        "Metadata/ExistentialMetadata.swift",
        "Metadata/ExistentialMetatypeMetadata.swift",
        "Metadata/ForeignClassMetadata.swift",
        "Metadata/FunctionMetadata.swift",
        "Metadata/HeapGenericLocalVariableMetadata.swift",
        "Metadata/HeapLocalVariableMetadata.swift",
        "Metadata/Metadata.swift",
        "Metadata/MetadataAccessFunction.swift",
        "Metadata/MetadataRequest.swift",
        "Metadata/MetadataValues.swift",
        "Metadata/MetatypeMetadata.swift",
        "Metadata/ObjCClassWrapperMetadata.swift",
        "Metadata/OpaqueMetadata.swift",
        "Metadata/StructMetadata.swift",
        "Metadata/TupleMetadata.swift",
        "Metadata/TypeMetadata.swift",
        "Metadata/ValueWitnessTable.swift",
        "Runtime/ConformanceDescriptor.swift",
        "Runtime/ExistentialContainer.swift",
        "Runtime/Functions.swift",
        "Runtime/HeapObject.swift",
        "Runtime/ImageInspection.swift",
        "Runtime/KeyPaths.swift",
        "Runtime/KnownMetadata.swift",
        "Runtime/RuntimeValues.swift",
        "Runtime/WitnessTable.swift",
        "Utils/FieldType.swift",
        "Utils/Misc.swift",
        "Utils/RelativeDirectPointer.swift",
        "Utils/RelativeIndirectPointer.swift",
        "Utils/RelativeIndirectablePointer.swift",
        "Utils/RelativeIndirectablePointerIntPair.swift",
        "Utils/RelativePointer.swift",
        "Utils/SignedPointer.swift"
      ],
      "target_dependencies" : [
        "CEcho"
      ],
      "type" : "library"
    },
    {
      "c99name" : "CEcho",
      "module_type" : "ClangTarget",
      "name" : "CEcho",
      "path" : "Sources/CEcho",
      "product_memberships" : [
        "Echo"
      ],
      "sources" : [
        "CallAccessor.c",
        "Functions.c",
        "ImageInspectionELF.c",
        "ImageInspectionMachO.c",
        "KnownMetadata.c",
        "ValueWitnessTable.c"
      ],
      "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...
[0/10] Write sources
[2/10] Compiling CEcho ImageInspectionELF.c
[3/10] Compiling CEcho ValueWitnessTable.c
[4/10] Write swift-version-2F0A5646E1D333AE.txt
[5/10] Compiling CEcho Functions.c
[6/10] Compiling CEcho CallAccessor.c
[7/10] Compiling CEcho KnownMetadata.c
[8/10] Compiling _AtomicsShims.c
[9/22] Compiling CEcho ImageInspectionMachO.c
[11/22] Compiling Atomics AtomicBool.swift
[12/22] Compiling Atomics AtomicLazyReference.swift
[13/22] Compiling Atomics AtomicValue.swift
[14/22] Compiling Atomics AtomicStrongReference.swift
[15/22] Compiling Atomics HighLevelTypes.swift
[16/22] Compiling Atomics AtomicOptional.swift
[17/22] Compiling Atomics AtomicRawRepresentable.swift
[18/22] Compiling Atomics AtomicInteger.swift
[19/22] Compiling Atomics AtomicMemoryOrderings.swift
[20/22] Compiling Atomics IntegerConformances.swift
[21/22] Compiling Atomics DoubleWord.swift
[22/22] Emitting module Atomics
[23/23] Compiling Atomics PointerConformances.swift
[24/70] Emitting module Echo
/Users/admin/builder/spi-builder-workspace/Sources/Echo/Metadata/TypeMetadata.swift:163:5: warning: var 'mangledNames' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
161 |
162 | let mangledNameLock = NSLock()
163 | var mangledNames = [UnsafeRawPointer: Any.Type?]()
    |     |- warning: var 'mangledNames' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: convert 'mangledNames' to a 'let' constant to make 'Sendable' shared state immutable
    |     |- note: add '@MainActor' to make var 'mangledNames' part of global actor 'MainActor'
    |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
164 |
/Users/admin/builder/spi-builder-workspace/Sources/Echo/Runtime/Functions.swift:26:2: warning: symbol name 'swift_allocBox' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error
 24 | }
 25 |
 26 | @_silgen_name("swift_allocBox")
    |  `- warning: symbol name 'swift_allocBox' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error
 27 | public func swift_allocBox(for type: Any.Type) -> BoxPair
 28 |
/Users/admin/builder/spi-builder-workspace/Sources/Echo/Runtime/Functions.swift:33:2: warning: symbol name 'swift_makeBoxUnique' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error
 31 | }
 32 |
 33 | @_silgen_name("swift_makeBoxUnique")
    |  `- warning: symbol name 'swift_makeBoxUnique' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error
 34 | func _swift_makeBoxUnique(
 35 |   for buffer: UnsafeRawPointer,
/Users/admin/builder/spi-builder-workspace/Sources/Echo/Runtime/ImageInspection.swift:56:5: warning: var '_protocols' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 54 |
 55 | let protocolLock = NSLock()
 56 | var _protocols = Set<UnsafeRawPointer>()
    |     |- warning: var '_protocols' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: convert '_protocols' to a 'let' constant to make 'Sendable' shared state immutable
    |     |- note: add '@MainActor' to make var '_protocols' part of global actor 'MainActor'
    |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 57 |
 58 | @_cdecl("registerProtocols")
/Users/admin/builder/spi-builder-workspace/Sources/Echo/Runtime/ImageInspection.swift:75:5: warning: var 'conformances' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 73 |
 74 | let conformanceLock = NSLock()
 75 | var conformances = [UnsafeRawPointer: [ConformanceDescriptor]]()
    |     |- warning: var 'conformances' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: convert 'conformances' to a 'let' constant to make 'Sendable' shared state immutable
    |     |- note: add '@MainActor' to make var 'conformances' part of global actor 'MainActor'
    |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 76 |
 77 | @_cdecl("registerProtocolConformances")
/Users/admin/builder/spi-builder-workspace/Sources/Echo/Runtime/ImageInspection.swift:137:5: warning: var '_types' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
135 |
136 | let typeLock = NSLock()
137 | var _types = Set<UnsafeRawPointer>()
    |     |- warning: var '_types' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: convert '_types' to a 'let' constant to make 'Sendable' shared state immutable
    |     |- note: add '@MainActor' to make var '_types' part of global actor 'MainActor'
    |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
138 |
139 | @_cdecl("registerTypeMetadata")
[25/75] Compiling Echo FieldDescriptor.swift
[26/75] Compiling Echo GenericContext.swift
[27/75] Compiling Echo ModuleDescriptor.swift
[28/75] Compiling Echo OpaqueDescriptor.swift
[29/75] Compiling Echo ProtocolDescriptor.swift
[30/75] Compiling Echo RelativeIndirectPointer.swift
[31/75] Compiling Echo RelativeIndirectablePointer.swift
[32/75] Compiling Echo RelativeIndirectablePointerIntPair.swift
[33/75] Compiling Echo RelativePointer.swift
[34/75] Compiling Echo SignedPointer.swift
[35/75] Compiling Echo EnumValueWitnessTable.swift
[36/75] Compiling Echo ExistentialMetadata.swift
[37/75] Compiling Echo ExistentialMetatypeMetadata.swift
[38/75] Compiling Echo ForeignClassMetadata.swift
[39/75] Compiling Echo FunctionMetadata.swift
[40/75] Compiling Echo HeapGenericLocalVariableMetadata.swift
[41/75] Compiling Echo HeapLocalVariableMetadata.swift
[42/75] Compiling Echo Metadata.swift
[43/75] Compiling Echo MetadataAccessFunction.swift
[44/75] Compiling Echo MetadataRequest.swift
[45/75] Compiling Echo MetadataValues.swift
[46/75] Compiling Echo MetatypeMetadata.swift
[47/75] Compiling Echo ObjCClassWrapperMetadata.swift
[48/75] Compiling Echo OpaqueMetadata.swift
[49/75] Compiling Echo StructMetadata.swift
[50/75] Compiling Echo AnonymousDescriptor.swift
[51/75] Compiling Echo ClassDescriptor.swift
[52/75] Compiling Echo ContextDescriptor.swift
[53/75] Compiling Echo ContextDescriptorValues.swift
[54/75] Compiling Echo EnumDescriptor.swift
[55/75] Compiling Echo ExtensionDescriptor.swift
[56/75] Compiling Echo StructDescriptor.swift
[57/75] Compiling Echo TypeContextDescriptor.swift
[58/75] Compiling Echo Echo.swift
[59/75] Compiling Echo ClassMetadata.swift
[60/75] Compiling Echo EnumMetadata.swift
[61/75] Compiling Echo Functions.swift
/Users/admin/builder/spi-builder-workspace/Sources/Echo/Runtime/Functions.swift:26:2: warning: symbol name 'swift_allocBox' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error
 24 | }
 25 |
 26 | @_silgen_name("swift_allocBox")
    |  `- warning: symbol name 'swift_allocBox' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error
 27 | public func swift_allocBox(for type: Any.Type) -> BoxPair
 28 |
/Users/admin/builder/spi-builder-workspace/Sources/Echo/Runtime/Functions.swift:33:2: warning: symbol name 'swift_makeBoxUnique' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error
 31 | }
 32 |
 33 | @_silgen_name("swift_makeBoxUnique")
    |  `- warning: symbol name 'swift_makeBoxUnique' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error
 34 | func _swift_makeBoxUnique(
 35 |   for buffer: UnsafeRawPointer,
/Users/admin/builder/spi-builder-workspace/Sources/Echo/Runtime/ImageInspection.swift:56:5: warning: var '_protocols' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 54 |
 55 | let protocolLock = NSLock()
 56 | var _protocols = Set<UnsafeRawPointer>()
    |     |- warning: var '_protocols' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: convert '_protocols' to a 'let' constant to make 'Sendable' shared state immutable
    |     |- note: add '@MainActor' to make var '_protocols' part of global actor 'MainActor'
    |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 57 |
 58 | @_cdecl("registerProtocols")
/Users/admin/builder/spi-builder-workspace/Sources/Echo/Runtime/ImageInspection.swift:75:5: warning: var 'conformances' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 73 |
 74 | let conformanceLock = NSLock()
 75 | var conformances = [UnsafeRawPointer: [ConformanceDescriptor]]()
    |     |- warning: var 'conformances' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: convert 'conformances' to a 'let' constant to make 'Sendable' shared state immutable
    |     |- note: add '@MainActor' to make var 'conformances' part of global actor 'MainActor'
    |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 76 |
 77 | @_cdecl("registerProtocolConformances")
/Users/admin/builder/spi-builder-workspace/Sources/Echo/Runtime/ImageInspection.swift:137:5: warning: var '_types' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
135 |
136 | let typeLock = NSLock()
137 | var _types = Set<UnsafeRawPointer>()
    |     |- warning: var '_types' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: convert '_types' to a 'let' constant to make 'Sendable' shared state immutable
    |     |- note: add '@MainActor' to make var '_types' part of global actor 'MainActor'
    |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
138 |
139 | @_cdecl("registerTypeMetadata")
[62/75] Compiling Echo HeapObject.swift
/Users/admin/builder/spi-builder-workspace/Sources/Echo/Runtime/Functions.swift:26:2: warning: symbol name 'swift_allocBox' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error
 24 | }
 25 |
 26 | @_silgen_name("swift_allocBox")
    |  `- warning: symbol name 'swift_allocBox' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error
 27 | public func swift_allocBox(for type: Any.Type) -> BoxPair
 28 |
/Users/admin/builder/spi-builder-workspace/Sources/Echo/Runtime/Functions.swift:33:2: warning: symbol name 'swift_makeBoxUnique' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error
 31 | }
 32 |
 33 | @_silgen_name("swift_makeBoxUnique")
    |  `- warning: symbol name 'swift_makeBoxUnique' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error
 34 | func _swift_makeBoxUnique(
 35 |   for buffer: UnsafeRawPointer,
/Users/admin/builder/spi-builder-workspace/Sources/Echo/Runtime/ImageInspection.swift:56:5: warning: var '_protocols' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 54 |
 55 | let protocolLock = NSLock()
 56 | var _protocols = Set<UnsafeRawPointer>()
    |     |- warning: var '_protocols' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: convert '_protocols' to a 'let' constant to make 'Sendable' shared state immutable
    |     |- note: add '@MainActor' to make var '_protocols' part of global actor 'MainActor'
    |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 57 |
 58 | @_cdecl("registerProtocols")
/Users/admin/builder/spi-builder-workspace/Sources/Echo/Runtime/ImageInspection.swift:75:5: warning: var 'conformances' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 73 |
 74 | let conformanceLock = NSLock()
 75 | var conformances = [UnsafeRawPointer: [ConformanceDescriptor]]()
    |     |- warning: var 'conformances' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: convert 'conformances' to a 'let' constant to make 'Sendable' shared state immutable
    |     |- note: add '@MainActor' to make var 'conformances' part of global actor 'MainActor'
    |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 76 |
 77 | @_cdecl("registerProtocolConformances")
/Users/admin/builder/spi-builder-workspace/Sources/Echo/Runtime/ImageInspection.swift:137:5: warning: var '_types' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
135 |
136 | let typeLock = NSLock()
137 | var _types = Set<UnsafeRawPointer>()
    |     |- warning: var '_types' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: convert '_types' to a 'let' constant to make 'Sendable' shared state immutable
    |     |- note: add '@MainActor' to make var '_types' part of global actor 'MainActor'
    |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
138 |
139 | @_cdecl("registerTypeMetadata")
[63/75] Compiling Echo ImageInspection.swift
/Users/admin/builder/spi-builder-workspace/Sources/Echo/Runtime/Functions.swift:26:2: warning: symbol name 'swift_allocBox' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error
 24 | }
 25 |
 26 | @_silgen_name("swift_allocBox")
    |  `- warning: symbol name 'swift_allocBox' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error
 27 | public func swift_allocBox(for type: Any.Type) -> BoxPair
 28 |
/Users/admin/builder/spi-builder-workspace/Sources/Echo/Runtime/Functions.swift:33:2: warning: symbol name 'swift_makeBoxUnique' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error
 31 | }
 32 |
 33 | @_silgen_name("swift_makeBoxUnique")
    |  `- warning: symbol name 'swift_makeBoxUnique' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error
 34 | func _swift_makeBoxUnique(
 35 |   for buffer: UnsafeRawPointer,
/Users/admin/builder/spi-builder-workspace/Sources/Echo/Runtime/ImageInspection.swift:56:5: warning: var '_protocols' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 54 |
 55 | let protocolLock = NSLock()
 56 | var _protocols = Set<UnsafeRawPointer>()
    |     |- warning: var '_protocols' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: convert '_protocols' to a 'let' constant to make 'Sendable' shared state immutable
    |     |- note: add '@MainActor' to make var '_protocols' part of global actor 'MainActor'
    |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 57 |
 58 | @_cdecl("registerProtocols")
/Users/admin/builder/spi-builder-workspace/Sources/Echo/Runtime/ImageInspection.swift:75:5: warning: var 'conformances' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 73 |
 74 | let conformanceLock = NSLock()
 75 | var conformances = [UnsafeRawPointer: [ConformanceDescriptor]]()
    |     |- warning: var 'conformances' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: convert 'conformances' to a 'let' constant to make 'Sendable' shared state immutable
    |     |- note: add '@MainActor' to make var 'conformances' part of global actor 'MainActor'
    |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 76 |
 77 | @_cdecl("registerProtocolConformances")
/Users/admin/builder/spi-builder-workspace/Sources/Echo/Runtime/ImageInspection.swift:137:5: warning: var '_types' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
135 |
136 | let typeLock = NSLock()
137 | var _types = Set<UnsafeRawPointer>()
    |     |- warning: var '_types' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: convert '_types' to a 'let' constant to make 'Sendable' shared state immutable
    |     |- note: add '@MainActor' to make var '_types' part of global actor 'MainActor'
    |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
138 |
139 | @_cdecl("registerTypeMetadata")
[64/75] Compiling Echo KeyPaths.swift
/Users/admin/builder/spi-builder-workspace/Sources/Echo/Runtime/Functions.swift:26:2: warning: symbol name 'swift_allocBox' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error
 24 | }
 25 |
 26 | @_silgen_name("swift_allocBox")
    |  `- warning: symbol name 'swift_allocBox' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error
 27 | public func swift_allocBox(for type: Any.Type) -> BoxPair
 28 |
/Users/admin/builder/spi-builder-workspace/Sources/Echo/Runtime/Functions.swift:33:2: warning: symbol name 'swift_makeBoxUnique' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error
 31 | }
 32 |
 33 | @_silgen_name("swift_makeBoxUnique")
    |  `- warning: symbol name 'swift_makeBoxUnique' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error
 34 | func _swift_makeBoxUnique(
 35 |   for buffer: UnsafeRawPointer,
/Users/admin/builder/spi-builder-workspace/Sources/Echo/Runtime/ImageInspection.swift:56:5: warning: var '_protocols' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 54 |
 55 | let protocolLock = NSLock()
 56 | var _protocols = Set<UnsafeRawPointer>()
    |     |- warning: var '_protocols' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: convert '_protocols' to a 'let' constant to make 'Sendable' shared state immutable
    |     |- note: add '@MainActor' to make var '_protocols' part of global actor 'MainActor'
    |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 57 |
 58 | @_cdecl("registerProtocols")
/Users/admin/builder/spi-builder-workspace/Sources/Echo/Runtime/ImageInspection.swift:75:5: warning: var 'conformances' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 73 |
 74 | let conformanceLock = NSLock()
 75 | var conformances = [UnsafeRawPointer: [ConformanceDescriptor]]()
    |     |- warning: var 'conformances' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: convert 'conformances' to a 'let' constant to make 'Sendable' shared state immutable
    |     |- note: add '@MainActor' to make var 'conformances' part of global actor 'MainActor'
    |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 76 |
 77 | @_cdecl("registerProtocolConformances")
/Users/admin/builder/spi-builder-workspace/Sources/Echo/Runtime/ImageInspection.swift:137:5: warning: var '_types' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
135 |
136 | let typeLock = NSLock()
137 | var _types = Set<UnsafeRawPointer>()
    |     |- warning: var '_types' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: convert '_types' to a 'let' constant to make 'Sendable' shared state immutable
    |     |- note: add '@MainActor' to make var '_types' part of global actor 'MainActor'
    |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
138 |
139 | @_cdecl("registerTypeMetadata")
[65/75] Compiling Echo KnownMetadata.swift
/Users/admin/builder/spi-builder-workspace/Sources/Echo/Runtime/Functions.swift:26:2: warning: symbol name 'swift_allocBox' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error
 24 | }
 25 |
 26 | @_silgen_name("swift_allocBox")
    |  `- warning: symbol name 'swift_allocBox' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error
 27 | public func swift_allocBox(for type: Any.Type) -> BoxPair
 28 |
/Users/admin/builder/spi-builder-workspace/Sources/Echo/Runtime/Functions.swift:33:2: warning: symbol name 'swift_makeBoxUnique' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error
 31 | }
 32 |
 33 | @_silgen_name("swift_makeBoxUnique")
    |  `- warning: symbol name 'swift_makeBoxUnique' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error
 34 | func _swift_makeBoxUnique(
 35 |   for buffer: UnsafeRawPointer,
/Users/admin/builder/spi-builder-workspace/Sources/Echo/Runtime/ImageInspection.swift:56:5: warning: var '_protocols' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 54 |
 55 | let protocolLock = NSLock()
 56 | var _protocols = Set<UnsafeRawPointer>()
    |     |- warning: var '_protocols' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: convert '_protocols' to a 'let' constant to make 'Sendable' shared state immutable
    |     |- note: add '@MainActor' to make var '_protocols' part of global actor 'MainActor'
    |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 57 |
 58 | @_cdecl("registerProtocols")
/Users/admin/builder/spi-builder-workspace/Sources/Echo/Runtime/ImageInspection.swift:75:5: warning: var 'conformances' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 73 |
 74 | let conformanceLock = NSLock()
 75 | var conformances = [UnsafeRawPointer: [ConformanceDescriptor]]()
    |     |- warning: var 'conformances' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: convert 'conformances' to a 'let' constant to make 'Sendable' shared state immutable
    |     |- note: add '@MainActor' to make var 'conformances' part of global actor 'MainActor'
    |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 76 |
 77 | @_cdecl("registerProtocolConformances")
/Users/admin/builder/spi-builder-workspace/Sources/Echo/Runtime/ImageInspection.swift:137:5: warning: var '_types' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
135 |
136 | let typeLock = NSLock()
137 | var _types = Set<UnsafeRawPointer>()
    |     |- warning: var '_types' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: convert '_types' to a 'let' constant to make 'Sendable' shared state immutable
    |     |- note: add '@MainActor' to make var '_types' part of global actor 'MainActor'
    |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
138 |
139 | @_cdecl("registerTypeMetadata")
[66/75] Compiling Echo RuntimeValues.swift
[67/75] Compiling Echo WitnessTable.swift
[68/75] Compiling Echo FieldType.swift
[69/75] Compiling Echo Misc.swift
[70/75] Compiling Echo RelativeDirectPointer.swift
[71/75] Compiling Echo TupleMetadata.swift
/Users/admin/builder/spi-builder-workspace/Sources/Echo/Metadata/TypeMetadata.swift:163:5: warning: var 'mangledNames' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
161 |
162 | let mangledNameLock = NSLock()
163 | var mangledNames = [UnsafeRawPointer: Any.Type?]()
    |     |- warning: var 'mangledNames' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: convert 'mangledNames' to a 'let' constant to make 'Sendable' shared state immutable
    |     |- note: add '@MainActor' to make var 'mangledNames' part of global actor 'MainActor'
    |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
164 |
[72/75] Compiling Echo TypeMetadata.swift
/Users/admin/builder/spi-builder-workspace/Sources/Echo/Metadata/TypeMetadata.swift:163:5: warning: var 'mangledNames' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
161 |
162 | let mangledNameLock = NSLock()
163 | var mangledNames = [UnsafeRawPointer: Any.Type?]()
    |     |- warning: var 'mangledNames' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: convert 'mangledNames' to a 'let' constant to make 'Sendable' shared state immutable
    |     |- note: add '@MainActor' to make var 'mangledNames' part of global actor 'MainActor'
    |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
164 |
[73/75] Compiling Echo ValueWitnessTable.swift
/Users/admin/builder/spi-builder-workspace/Sources/Echo/Metadata/TypeMetadata.swift:163:5: warning: var 'mangledNames' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
161 |
162 | let mangledNameLock = NSLock()
163 | var mangledNames = [UnsafeRawPointer: Any.Type?]()
    |     |- warning: var 'mangledNames' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: convert 'mangledNames' to a 'let' constant to make 'Sendable' shared state immutable
    |     |- note: add '@MainActor' to make var 'mangledNames' part of global actor 'MainActor'
    |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
164 |
[74/75] Compiling Echo ConformanceDescriptor.swift
/Users/admin/builder/spi-builder-workspace/Sources/Echo/Metadata/TypeMetadata.swift:163:5: warning: var 'mangledNames' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
161 |
162 | let mangledNameLock = NSLock()
163 | var mangledNames = [UnsafeRawPointer: Any.Type?]()
    |     |- warning: var 'mangledNames' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: convert 'mangledNames' to a 'let' constant to make 'Sendable' shared state immutable
    |     |- note: add '@MainActor' to make var 'mangledNames' part of global actor 'MainActor'
    |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
164 |
[75/75] Compiling Echo ExistentialContainer.swift
/Users/admin/builder/spi-builder-workspace/Sources/Echo/Metadata/TypeMetadata.swift:163:5: warning: var 'mangledNames' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
161 |
162 | let mangledNameLock = NSLock()
163 | var mangledNames = [UnsafeRawPointer: Any.Type?]()
    |     |- warning: var 'mangledNames' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: convert 'mangledNames' to a 'let' constant to make 'Sendable' shared state immutable
    |     |- note: add '@MainActor' to make var 'mangledNames' part of global actor 'MainActor'
    |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
164 |
Build complete! (7.32s)
Fetching https://github.com/apple/swift-atomics.git from cache
Fetched https://github.com/apple/swift-atomics.git from cache (0.44s)
Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 0.0.3 (1.03s)
Creating working copy for https://github.com/apple/swift-atomics.git
Working copy of https://github.com/apple/swift-atomics.git resolved at 0.0.3
Build complete.
{
  "dependencies" : [
    {
      "identity" : "swift-atomics",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.0.1",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-atomics.git"
    }
  ],
  "manifest_display_name" : "Echo",
  "name" : "Echo",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Echo",
      "targets" : [
        "Echo"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "EchoTests",
      "module_type" : "SwiftTarget",
      "name" : "EchoTests",
      "path" : "Tests/EchoTests",
      "sources" : [
        "Context Descriptor/AnonymousDescriptor.swift",
        "Context Descriptor/ClassDescriptor.swift",
        "Context Descriptor/EnumDescriptor.swift",
        "Context Descriptor/ExtensionDescriptor.swift",
        "Context Descriptor/FieldDescriptor.swift",
        "Context Descriptor/GenericContext.swift",
        "Context Descriptor/ModuleDescriptor.swift",
        "Context Descriptor/ProtocolDescriptor.swift",
        "Context Descriptor/StructDescriptor.swift",
        "EchoTests.swift",
        "Metadata/ClassMetadata.swift",
        "Metadata/EnumMetadata.swift",
        "Metadata/ExistentialMetadata.swift",
        "Metadata/ExistentialMetatypeMetadata.swift",
        "Metadata/FunctionMetadata.swift",
        "Metadata/MetadataAccessFunction.swift",
        "Metadata/MetatypeMetadata.swift",
        "Metadata/ObjCClassWrapperMetadata.swift",
        "Metadata/OpaqueMetadata.swift",
        "Metadata/StructMetadata.swift",
        "Metadata/TupleMetadata.swift",
        "Runtime/ConformanceDescriptor.swift",
        "Runtime/ExistentialContainer.swift",
        "Runtime/ImageInspection.swift",
        "Utils/Misc.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "Echo"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Echo",
      "module_type" : "SwiftTarget",
      "name" : "Echo",
      "path" : "Sources/Echo",
      "product_dependencies" : [
        "Atomics"
      ],
      "product_memberships" : [
        "Echo"
      ],
      "sources" : [
        "ContextDescriptor/AnonymousDescriptor.swift",
        "ContextDescriptor/ClassDescriptor.swift",
        "ContextDescriptor/ContextDescriptor.swift",
        "ContextDescriptor/ContextDescriptorValues.swift",
        "ContextDescriptor/EnumDescriptor.swift",
        "ContextDescriptor/ExtensionDescriptor.swift",
        "ContextDescriptor/FieldDescriptor.swift",
        "ContextDescriptor/GenericContext.swift",
        "ContextDescriptor/ModuleDescriptor.swift",
        "ContextDescriptor/OpaqueDescriptor.swift",
        "ContextDescriptor/ProtocolDescriptor.swift",
        "ContextDescriptor/StructDescriptor.swift",
        "ContextDescriptor/TypeContextDescriptor.swift",
        "Echo.swift",
        "Metadata/ClassMetadata.swift",
        "Metadata/EnumMetadata.swift",
        "Metadata/EnumValueWitnessTable.swift",
        "Metadata/ExistentialMetadata.swift",
        "Metadata/ExistentialMetatypeMetadata.swift",
        "Metadata/ForeignClassMetadata.swift",
        "Metadata/FunctionMetadata.swift",
        "Metadata/HeapGenericLocalVariableMetadata.swift",
        "Metadata/HeapLocalVariableMetadata.swift",
        "Metadata/Metadata.swift",
        "Metadata/MetadataAccessFunction.swift",
        "Metadata/MetadataRequest.swift",
        "Metadata/MetadataValues.swift",
        "Metadata/MetatypeMetadata.swift",
        "Metadata/ObjCClassWrapperMetadata.swift",
        "Metadata/OpaqueMetadata.swift",
        "Metadata/StructMetadata.swift",
        "Metadata/TupleMetadata.swift",
        "Metadata/TypeMetadata.swift",
        "Metadata/ValueWitnessTable.swift",
        "Runtime/ConformanceDescriptor.swift",
        "Runtime/ExistentialContainer.swift",
        "Runtime/Functions.swift",
        "Runtime/HeapObject.swift",
        "Runtime/ImageInspection.swift",
        "Runtime/KeyPaths.swift",
        "Runtime/KnownMetadata.swift",
        "Runtime/RuntimeValues.swift",
        "Runtime/WitnessTable.swift",
        "Utils/FieldType.swift",
        "Utils/Misc.swift",
        "Utils/RelativeDirectPointer.swift",
        "Utils/RelativeIndirectPointer.swift",
        "Utils/RelativeIndirectablePointer.swift",
        "Utils/RelativeIndirectablePointerIntPair.swift",
        "Utils/RelativePointer.swift",
        "Utils/SignedPointer.swift"
      ],
      "target_dependencies" : [
        "CEcho"
      ],
      "type" : "library"
    },
    {
      "c99name" : "CEcho",
      "module_type" : "ClangTarget",
      "name" : "CEcho",
      "path" : "Sources/CEcho",
      "product_memberships" : [
        "Echo"
      ],
      "sources" : [
        "CallAccessor.c",
        "Functions.c",
        "ImageInspectionELF.c",
        "ImageInspectionMachO.c",
        "KnownMetadata.c",
        "ValueWitnessTable.c"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.1"
}
Done.