Swift Package IndexBuild Information
Successful build of SPIManifest, reference 1.12.0 (4b387c), with Swift 6.1 for macOS (SPM) on 25 Mar 2026 09:50:56 UTC.
Swift 6 data race errors: 3
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: 4.69.2
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/SwiftPackageIndex/SPIManifest.git
Reference: 1.12.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/SwiftPackageIndex/SPIManifest
* tag 1.12.0 -> FETCH_HEAD
HEAD is now at 4b387cf Merge pull request #80 from SwiftPackageIndex/swift-6.3
Cloned https://github.com/SwiftPackageIndex/SPIManifest.git
Revision (git rev-parse @):
4b387cf469bfc9a3d907cbeb8c4e02bfddbd48b0
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/SwiftPackageIndex/SPIManifest.git at 1.12.0
========================================
Build
========================================
Selected platform: macosSpm
Swift version: 6.1
Building package at path: $PWD
https://github.com/SwiftPackageIndex/SPIManifest.git
https://github.com/SwiftPackageIndex/SPIManifest.git
{
"dependencies" : [
{
"identity" : "yams",
"requirement" : {
"range" : [
{
"lower_bound" : "4.0.0",
"upper_bound" : "7.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/jpsim/Yams.git"
}
],
"manifest_display_name" : "SPIManifest",
"name" : "SPIManifest",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "10.15"
}
],
"products" : [
{
"name" : "SPIManifest",
"targets" : [
"SPIManifest"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "SPIManifestTests",
"module_type" : "SwiftTarget",
"name" : "SPIManifestTests",
"path" : "Tests/SPIManifestTests",
"sources" : [
"Array+UniquedTests.swift",
"ManifestTests.swift",
"RegressionTests.swift",
"SwiftVersionTests.swift"
],
"target_dependencies" : [
"SPIManifest"
],
"type" : "test"
},
{
"c99name" : "SPIManifest",
"module_type" : "SwiftTarget",
"name" : "SPIManifest",
"path" : "Sources/SPIManifest",
"product_dependencies" : [
"Yams"
],
"product_memberships" : [
"SPIManifest"
],
"sources" : [
"Array+Uniqued.swift",
"Environment.swift",
"Manifest.swift",
"ManifestError.swift",
"Platform.swift",
"SwiftVersion.swift"
],
"type" : "library"
}
],
"tools_version" : "5.6"
}
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...
[0/9] Write sources
[2/9] Write swift-version-2F0A5646E1D333AE.txt
[3/9] Compiling reader.c
[4/9] Compiling emitter.c
[5/9] Compiling scanner.c
[6/9] Compiling api.c
[7/9] Compiling parser.c
[8/9] Compiling writer.c
[10/29] Emitting module Yams
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[11/31] Compiling Yams YamlError.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[12/31] Compiling Yams YamlTagProviding.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[13/31] Compiling Yams AliasDereferencingStrategy.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[14/31] Compiling Yams Anchor.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[15/31] Compiling Yams Constructor.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[16/31] Compiling Yams Encoder.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[17/31] Compiling Yams Mark.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[18/31] Compiling Yams Resolver.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[19/31] Compiling Yams String+Yams.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[20/31] Compiling Yams Node.Alias.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[21/31] Compiling Yams Node.Mapping.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[22/31] Compiling Yams RedundancyAliasingStrategy.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[23/31] Compiling Yams Representer.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[24/31] Compiling Yams Node.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[25/31] Compiling Yams Parser.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[26/31] Compiling Yams Node.Scalar.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[27/31] Compiling Yams Node.Sequence.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[28/31] Compiling Yams Tag.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[29/31] Compiling Yams YamlAnchorProviding.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[30/31] Compiling Yams Decoder.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[31/31] Compiling Yams Emitter.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[32/38] Compiling SPIManifest SwiftVersion.swift
[33/38] Compiling SPIManifest ManifestError.swift
[34/38] Compiling SPIManifest Platform.swift
[35/38] Compiling SPIManifest Manifest.swift
[36/38] Compiling SPIManifest Array+Uniqued.swift
[37/38] Emitting module SPIManifest
/Users/admin/builder/spi-builder-workspace/Sources/SPIManifest/Environment.swift:24:16: warning: static property 'live' is not concurrency-safe because non-'Sendable' type 'Environment' may have shared mutable state; this is an error in the Swift 6 language mode
16 |
17 |
18 | struct Environment {
| `- note: consider making struct 'Environment' conform to the 'Sendable' protocol
19 | var fileManager: FileManager
20 | }
:
22 |
23 | extension Environment {
24 | static let live: Self = .init(
| |- warning: static property 'live' is not concurrency-safe because non-'Sendable' type 'Environment' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'live' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
25 | fileManager: .live
26 | )
/Users/admin/builder/spi-builder-workspace/Sources/SPIManifest/Environment.swift:44:16: warning: static property 'live' is not concurrency-safe because non-'Sendable' type 'FileManager' may have shared mutable state; this is an error in the Swift 6 language mode
30 | // MARK: FileManager
31 |
32 | struct FileManager {
| `- note: consider making struct 'FileManager' conform to the 'Sendable' protocol
33 | var contents: (_ atPath: String) -> Data?
34 | var createDirectory: (_ path: String,
:
42 | var temporaryDirectory: () -> URL
43 |
44 | static let live: Self = .init(
| |- warning: static property 'live' is not concurrency-safe because non-'Sendable' type 'FileManager' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'live' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
45 | contents: Foundation.FileManager.default.contents(atPath:),
46 | createDirectory: Foundation.FileManager.default
/Users/admin/builder/spi-builder-workspace/Sources/SPIManifest/Environment.swift:69:5: warning: var 'Current' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
67 |
68 | #if DEBUG
69 | var Current: Environment = .live
| |- warning: var 'Current' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'Current' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make var 'Current' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
70 | #else
71 | let Current: Environment = .live
[38/38] Compiling SPIManifest Environment.swift
/Users/admin/builder/spi-builder-workspace/Sources/SPIManifest/Environment.swift:24:16: warning: static property 'live' is not concurrency-safe because non-'Sendable' type 'Environment' may have shared mutable state; this is an error in the Swift 6 language mode
16 |
17 |
18 | struct Environment {
| `- note: consider making struct 'Environment' conform to the 'Sendable' protocol
19 | var fileManager: FileManager
20 | }
:
22 |
23 | extension Environment {
24 | static let live: Self = .init(
| |- warning: static property 'live' is not concurrency-safe because non-'Sendable' type 'Environment' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'live' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
25 | fileManager: .live
26 | )
/Users/admin/builder/spi-builder-workspace/Sources/SPIManifest/Environment.swift:44:16: warning: static property 'live' is not concurrency-safe because non-'Sendable' type 'FileManager' may have shared mutable state; this is an error in the Swift 6 language mode
30 | // MARK: FileManager
31 |
32 | struct FileManager {
| `- note: consider making struct 'FileManager' conform to the 'Sendable' protocol
33 | var contents: (_ atPath: String) -> Data?
34 | var createDirectory: (_ path: String,
:
42 | var temporaryDirectory: () -> URL
43 |
44 | static let live: Self = .init(
| |- warning: static property 'live' is not concurrency-safe because non-'Sendable' type 'FileManager' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'live' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
45 | contents: Foundation.FileManager.default.contents(atPath:),
46 | createDirectory: Foundation.FileManager.default
/Users/admin/builder/spi-builder-workspace/Sources/SPIManifest/Environment.swift:69:5: warning: var 'Current' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
67 |
68 | #if DEBUG
69 | var Current: Environment = .live
| |- warning: var 'Current' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'Current' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make var 'Current' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
70 | #else
71 | let Current: Environment = .live
Build complete! (10.61s)
Fetching https://github.com/jpsim/Yams.git from cache
Fetched https://github.com/jpsim/Yams.git from cache (1.35s)
Computing version for https://github.com/jpsim/Yams.git
Computed https://github.com/jpsim/Yams.git at 6.2.1 (1.87s)
Creating working copy for https://github.com/jpsim/Yams.git
Working copy of https://github.com/jpsim/Yams.git resolved at 6.2.1
Build complete.
{
"dependencies" : [
{
"identity" : "yams",
"requirement" : {
"range" : [
{
"lower_bound" : "4.0.0",
"upper_bound" : "7.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/jpsim/Yams.git"
}
],
"manifest_display_name" : "SPIManifest",
"name" : "SPIManifest",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "10.15"
}
],
"products" : [
{
"name" : "SPIManifest",
"targets" : [
"SPIManifest"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "SPIManifestTests",
"module_type" : "SwiftTarget",
"name" : "SPIManifestTests",
"path" : "Tests/SPIManifestTests",
"sources" : [
"Array+UniquedTests.swift",
"ManifestTests.swift",
"RegressionTests.swift",
"SwiftVersionTests.swift"
],
"target_dependencies" : [
"SPIManifest"
],
"type" : "test"
},
{
"c99name" : "SPIManifest",
"module_type" : "SwiftTarget",
"name" : "SPIManifest",
"path" : "Sources/SPIManifest",
"product_dependencies" : [
"Yams"
],
"product_memberships" : [
"SPIManifest"
],
"sources" : [
"Array+Uniqued.swift",
"Environment.swift",
"Manifest.swift",
"ManifestError.swift",
"Platform.swift",
"SwiftVersion.swift"
],
"type" : "library"
}
],
"tools_version" : "5.6"
}
Done.