Swift Package IndexBuild Information
Successful build of FlatBuffers, reference master (31beb0), with Swift 6.1 for macOS (SPM) on 25 Jun 2025 10:58:19 UTC.
Swift 6 data race errors: 1
Build Command
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCapturesBuild Log
========================================
RunAll
========================================
Builder version: 4.64.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/google/flatbuffers.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/google/flatbuffers
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at 31beb0f Bugfix: grpc python code generation location and file suffix (#8359)
Cloned https://github.com/google/flatbuffers.git
Revision (git rev-parse @):
31beb0fb2fa3cbd77e18c0481cb268b7b3404e69
SUCCESS checkout https://github.com/google/flatbuffers.git at master
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
"identity": ".resolve-product-dependencies",
"name": "resolve-dependencies",
"url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
"dependencies": [
{
"identity": "flatbuffers",
"name": "FlatBuffers",
"url": "https://github.com/google/flatbuffers.git",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/flatbuffers",
"dependencies": [
]
}
]
}
Fetching https://github.com/google/flatbuffers.git
[1/87534] Fetching flatbuffers
Fetched https://github.com/google/flatbuffers.git from cache (4.58s)
Creating working copy for https://github.com/google/flatbuffers.git
Working copy of https://github.com/google/flatbuffers.git resolved at master (31beb0f)
warning: '.resolve-product-dependencies': dependency 'flatbuffers' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform: macosSpm
Swift version: 6.1
Building package at path: $PWD
https://github.com/google/flatbuffers.git
https://github.com/google/flatbuffers.git
{
"dependencies" : [
],
"manifest_display_name" : "FlatBuffers",
"name" : "FlatBuffers",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "12.0"
},
{
"name" : "macos",
"version" : "10.14"
}
],
"products" : [
{
"name" : "FlatBuffers",
"targets" : [
"FlatBuffers"
],
"type" : {
"library" : [
"automatic"
]
}
},
{
"name" : "FlexBuffers",
"targets" : [
"FlexBuffers"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "FlexBuffers",
"module_type" : "SwiftTarget",
"name" : "FlexBuffers",
"path" : "swift/Sources/FlexBuffers",
"product_memberships" : [
"FlexBuffers"
],
"sources" : [
"ByteBuffer.swift",
"FlexBufferType.swift",
"Reader/FixedTypedVector.swift",
"Reader/FlexBufferVector.swift",
"Reader/Map.swift",
"Reader/Reference.swift",
"Reader/Sized.swift",
"Reader/TypedVector.swift",
"Reader/Vector.swift",
"Utils/BitWidth.swift",
"Utils/Constants.swift",
"Utils/Value.swift",
"Utils/functions.swift",
"Writer/FlexBuffersWriter.swift",
"_InternalByteBuffer.swift"
],
"target_dependencies" : [
"Common"
],
"type" : "library"
},
{
"c99name" : "FlatBuffers",
"module_type" : "SwiftTarget",
"name" : "FlatBuffers",
"path" : "swift/Sources/FlatBuffers",
"product_memberships" : [
"FlatBuffers"
],
"sources" : [
"ByteBuffer.swift",
"Constants.swift",
"Enum.swift",
"FlatBufferBuilder.swift",
"FlatBufferObject.swift",
"FlatBuffersUtils.swift",
"FlatbuffersErrors.swift",
"Message.swift",
"Mutable.swift",
"NativeObject.swift",
"Offset.swift",
"Root.swift",
"String+extension.swift",
"Struct.swift",
"Table.swift",
"TableVerifier.swift",
"VeriferOptions.swift",
"Verifiable.swift",
"Verifier.swift",
"_InternalByteBuffer.swift"
],
"target_dependencies" : [
"Common"
],
"type" : "library"
},
{
"c99name" : "Common",
"module_type" : "SwiftTarget",
"name" : "Common",
"path" : "swift/Sources/Common",
"product_memberships" : [
"FlatBuffers",
"FlexBuffers"
],
"sources" : [
"Int+extension.swift",
"Scalar.swift",
"padding.swift"
],
"type" : "library"
}
],
"tools_version" : "5.9"
}
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...
[0/4] Write sources
[3/4] Write swift-version-2F0A5646E1D333AE.txt
[5/8] Compiling Common padding.swift
[6/8] Compiling Common Int+extension.swift
[7/8] Emitting module Common
[8/8] Compiling Common Scalar.swift
[9/42] Compiling FlatBuffers FlatBufferObject.swift
[10/42] Compiling FlatBuffers FlatBuffersUtils.swift
[11/44] Compiling FlexBuffers ByteBuffer.swift
[12/44] Compiling FlexBuffers FlexBufferType.swift
[13/44] Compiling FlatBuffers Offset.swift
[14/44] Compiling FlatBuffers Root.swift
[15/44] Compiling FlatBuffers Mutable.swift
[16/44] Compiling FlatBuffers NativeObject.swift
[17/44] Compiling FlatBuffers VeriferOptions.swift
[18/44] Compiling FlatBuffers Verifiable.swift
[19/44] Compiling FlatBuffers Enum.swift
[20/44] Compiling FlatBuffers FlatBufferBuilder.swift
[21/45] Compiling FlatBuffers ByteBuffer.swift
[22/45] Compiling FlatBuffers Constants.swift
/Users/admin/builder/spi-builder-workspace/swift/Sources/FlexBuffers/ByteBuffer.swift:296:5: warning: result of call to 'withUnsafePointer(to:_:)' is unused
294 | assert(index < _storage.capacity, "Write index is out of writing bound")
295 | assert(index >= 0, "Writer index should be above zero")
296 | withUnsafePointer(to: value) { ptr in
| `- warning: result of call to 'withUnsafePointer(to:_:)' is unused
297 | _storage.withUnsafeRawPointer {
298 | memcpy(
/Users/admin/builder/spi-builder-workspace/swift/Sources/FlexBuffers/ByteBuffer.swift:296:5: warning: result of call to 'withUnsafePointer(to:_:)' is unused
294 | assert(index < _storage.capacity, "Write index is out of writing bound")
295 | assert(index >= 0, "Writer index should be above zero")
296 | withUnsafePointer(to: value) { ptr in
| `- warning: result of call to 'withUnsafePointer(to:_:)' is unused
297 | _storage.withUnsafeRawPointer {
298 | memcpy(
[25/45] Emitting module FlexBuffers
/Users/admin/builder/spi-builder-workspace/swift/Sources/FlexBuffers/Utils/Value.swift:98:14: warning: static property 'nil' is not concurrency-safe because non-'Sendable' type 'Value' may have shared mutable state; this is an error in the Swift 6 language mode
17 | import Foundation
18 |
19 | public struct Value: Equatable {
| `- note: consider making struct 'Value' conform to the 'Sendable' protocol
20 |
21 | @usableFromInline
:
96 | }
97 |
98 | static let `nil` = Value()
| |- warning: static property 'nil' is not concurrency-safe because non-'Sendable' type 'Value' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'nil' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
99 | }
100 |
/Users/admin/builder/spi-builder-workspace/swift/Sources/FlatBuffers/ByteBuffer.swift:296:5: warning: result of call to 'withUnsafePointer(to:_:)' is unused
294 | assert(index < _storage.capacity, "Write index is out of writing bound")
295 | assert(index >= 0, "Writer index should be above zero")
296 | withUnsafePointer(to: value) { ptr in
| `- warning: result of call to 'withUnsafePointer(to:_:)' is unused
297 | _storage.withUnsafeRawPointer {
298 | memcpy(
/Users/admin/builder/spi-builder-workspace/swift/Sources/FlatBuffers/ByteBuffer.swift:296:5: warning: result of call to 'withUnsafePointer(to:_:)' is unused
294 | assert(index < _storage.capacity, "Write index is out of writing bound")
295 | assert(index >= 0, "Writer index should be above zero")
296 | withUnsafePointer(to: value) { ptr in
| `- warning: result of call to 'withUnsafePointer(to:_:)' is unused
297 | _storage.withUnsafeRawPointer {
298 | memcpy(
[30/45] Emitting module FlatBuffers
[31/45] Compiling FlexBuffers Value.swift
/Users/admin/builder/spi-builder-workspace/swift/Sources/FlexBuffers/Utils/Value.swift:98:14: warning: static property 'nil' is not concurrency-safe because non-'Sendable' type 'Value' may have shared mutable state; this is an error in the Swift 6 language mode
17 | import Foundation
18 |
19 | public struct Value: Equatable {
| `- note: consider making struct 'Value' conform to the 'Sendable' protocol
20 |
21 | @usableFromInline
:
96 | }
97 |
98 | static let `nil` = Value()
| |- warning: static property 'nil' is not concurrency-safe because non-'Sendable' type 'Value' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'nil' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
99 | }
100 |
[32/45] Compiling FlexBuffers Constants.swift
[37/45] Compiling FlexBuffers functions.swift
/Users/admin/builder/spi-builder-workspace/swift/Sources/FlexBuffers/Utils/functions.swift:93:41: warning: 'vectorString' is deprecated: use FBT_VECTOR or FBT_VECTOR_KEY instead.
91 | @inline(__always)
92 | func isTypedVectorType(type: FlexBufferType) -> Bool {
93 | return type >= .vectorInt && type <= .vectorString || type == .vectorBool
| `- warning: 'vectorString' is deprecated: use FBT_VECTOR or FBT_VECTOR_KEY instead.
94 | }
95 |
[38/45] Compiling FlexBuffers FlexBuffersWriter.swift
[39/45] Compiling FlexBuffers _InternalByteBuffer.swift
[40/45] Compiling FlatBuffers String+extension.swift
[41/45] Compiling FlatBuffers Struct.swift
[42/45] Compiling FlatBuffers Table.swift
[43/45] Compiling FlatBuffers TableVerifier.swift
[44/45] Compiling FlatBuffers Verifier.swift
/Users/admin/builder/spi-builder-workspace/swift/Sources/FlatBuffers/_InternalByteBuffer.swift:256:5: warning: result of call to 'withUnsafePointer(to:_:)' is unused
254 | assert(index < _storage.capacity, "Write index is out of writing bound")
255 | assert(index >= 0, "Writer index should be above zero")
256 | withUnsafePointer(to: value) {
| `- warning: result of call to 'withUnsafePointer(to:_:)' is unused
257 | memcpy(
258 | _storage.memory.advanced(by: index),
[45/45] Compiling FlatBuffers _InternalByteBuffer.swift
/Users/admin/builder/spi-builder-workspace/swift/Sources/FlatBuffers/_InternalByteBuffer.swift:256:5: warning: result of call to 'withUnsafePointer(to:_:)' is unused
254 | assert(index < _storage.capacity, "Write index is out of writing bound")
255 | assert(index >= 0, "Writer index should be above zero")
256 | withUnsafePointer(to: value) {
| `- warning: result of call to 'withUnsafePointer(to:_:)' is unused
257 | memcpy(
258 | _storage.memory.advanced(by: index),
Build complete! (7.24s)
Build complete.
{
"dependencies" : [
],
"manifest_display_name" : "FlatBuffers",
"name" : "FlatBuffers",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "12.0"
},
{
"name" : "macos",
"version" : "10.14"
}
],
"products" : [
{
"name" : "FlatBuffers",
"targets" : [
"FlatBuffers"
],
"type" : {
"library" : [
"automatic"
]
}
},
{
"name" : "FlexBuffers",
"targets" : [
"FlexBuffers"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "FlexBuffers",
"module_type" : "SwiftTarget",
"name" : "FlexBuffers",
"path" : "swift/Sources/FlexBuffers",
"product_memberships" : [
"FlexBuffers"
],
"sources" : [
"ByteBuffer.swift",
"FlexBufferType.swift",
"Reader/FixedTypedVector.swift",
"Reader/FlexBufferVector.swift",
"Reader/Map.swift",
"Reader/Reference.swift",
"Reader/Sized.swift",
"Reader/TypedVector.swift",
"Reader/Vector.swift",
"Utils/BitWidth.swift",
"Utils/Constants.swift",
"Utils/Value.swift",
"Utils/functions.swift",
"Writer/FlexBuffersWriter.swift",
"_InternalByteBuffer.swift"
],
"target_dependencies" : [
"Common"
],
"type" : "library"
},
{
"c99name" : "FlatBuffers",
"module_type" : "SwiftTarget",
"name" : "FlatBuffers",
"path" : "swift/Sources/FlatBuffers",
"product_memberships" : [
"FlatBuffers"
],
"sources" : [
"ByteBuffer.swift",
"Constants.swift",
"Enum.swift",
"FlatBufferBuilder.swift",
"FlatBufferObject.swift",
"FlatBuffersUtils.swift",
"FlatbuffersErrors.swift",
"Message.swift",
"Mutable.swift",
"NativeObject.swift",
"Offset.swift",
"Root.swift",
"String+extension.swift",
"Struct.swift",
"Table.swift",
"TableVerifier.swift",
"VeriferOptions.swift",
"Verifiable.swift",
"Verifier.swift",
"_InternalByteBuffer.swift"
],
"target_dependencies" : [
"Common"
],
"type" : "library"
},
{
"c99name" : "Common",
"module_type" : "SwiftTarget",
"name" : "Common",
"path" : "swift/Sources/Common",
"product_memberships" : [
"FlatBuffers",
"FlexBuffers"
],
"sources" : [
"Int+extension.swift",
"Scalar.swift",
"padding.swift"
],
"type" : "library"
}
],
"tools_version" : "5.9"
}
Done.