Swift Package IndexBuild Information
Successful build of Threadcrumb, reference 1.0.1 (a5d287), with Swift 6.1 for macOS (SPM) on 28 Apr 2025 10:12:25 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: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/naftaly/Threadcrumb.git
Reference: 1.0.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/naftaly/Threadcrumb
* tag 1.0.1 -> FETCH_HEAD
HEAD is now at a5d2877 Updated availability, tests and readme.
Cloned https://github.com/naftaly/Threadcrumb.git
Revision (git rev-parse @):
a5d2877d31f9712837e78935be3293fb6be6e545
SUCCESS checkout https://github.com/naftaly/Threadcrumb.git at 1.0.1
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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": "threadcrumb",
"name": "Threadcrumb",
"url": "https://github.com/naftaly/Threadcrumb.git",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Threadcrumb",
"dependencies": [
]
}
]
}
Fetching https://github.com/naftaly/Threadcrumb.git
[1/46] Fetching threadcrumb
Fetched https://github.com/naftaly/Threadcrumb.git from cache (0.57s)
Creating working copy for https://github.com/naftaly/Threadcrumb.git
Working copy of https://github.com/naftaly/Threadcrumb.git resolved at 1.0.1 (a5d2877)
warning: '.resolve-product-dependencies': dependency 'threadcrumb' is not used by any target
Found 0 product dependencies
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Build
========================================
Selected platform: macosSpm
Swift version: 6.1
Building package at path: $PWD
https://github.com/naftaly/Threadcrumb.git
https://github.com/naftaly/Threadcrumb.git
{
"dependencies" : [
],
"manifest_display_name" : "Threadcrumb",
"name" : "Threadcrumb",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
],
"products" : [
{
"name" : "Threadcrumb",
"targets" : [
"Threadcrumb"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "ThreadcrumbTests",
"module_type" : "SwiftTarget",
"name" : "ThreadcrumbTests",
"path" : "Tests/ThreadcrumbTests",
"sources" : [
"ThreadcrumbTests.swift"
],
"target_dependencies" : [
"Threadcrumb"
],
"type" : "test"
},
{
"c99name" : "Threadcrumb",
"module_type" : "SwiftTarget",
"name" : "Threadcrumb",
"path" : "Sources/Threadcrumb",
"product_memberships" : [
"Threadcrumb"
],
"sources" : [
"Threadcrumb.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...
[0/2] Write sources
[1/2] Write swift-version-2F0A5646E1D333AE.txt
[3/4] Compiling Threadcrumb Threadcrumb.swift
<unknown>:0: note: a function type must be marked '@Sendable' to conform to 'Sendable'
/Users/admin/builder/spi-builder-workspace/Sources/Threadcrumb/Threadcrumb.swift:473:13: warning: let '_lookupTable' is not concurrency-safe because non-'Sendable' type '[String : (inout [String]) -> ()]' may have shared mutable state; this is an error in the Swift 6 language mode
471 | // MARK: - Lookup table
472 |
473 | private let _lookupTable: [String: (inout [String])->()] = [
| |- warning: let '_lookupTable' is not concurrency-safe because non-'Sendable' type '[String : (inout [String]) -> ()]' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make let '_lookupTable' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
474 | "0": THREAD_CRUMB__0,
475 | "1": THREAD_CRUMB__1,
/Users/admin/builder/spi-builder-workspace/Sources/Threadcrumb/Threadcrumb.swift:23:30: warning: capture of 'self' with non-sendable type 'Threadcrumb?' in a '@Sendable' closure
8 |
9 | @available(iOS 16.0, macOS 13.0, tvOS 16.0, watchOS 9.0, visionOS 1.0, *)
10 | final public class Threadcrumb {
| `- note: class 'Threadcrumb' does not conform to the 'Sendable' protocol
11 |
12 | /// The identifier for the thread.
:
21 |
22 | self._thread = Thread { [weak self] in
23 | guard let self = self else {
| `- warning: capture of 'self' with non-sendable type 'Threadcrumb?' in a '@Sendable' closure
24 | return
25 | }
[4/4] Emitting module Threadcrumb
<unknown>:0: note: a function type must be marked '@Sendable' to conform to 'Sendable'
/Users/admin/builder/spi-builder-workspace/Sources/Threadcrumb/Threadcrumb.swift:473:13: warning: let '_lookupTable' is not concurrency-safe because non-'Sendable' type '[String : (inout [String]) -> ()]' may have shared mutable state; this is an error in the Swift 6 language mode
471 | // MARK: - Lookup table
472 |
473 | private let _lookupTable: [String: (inout [String])->()] = [
| |- warning: let '_lookupTable' is not concurrency-safe because non-'Sendable' type '[String : (inout [String]) -> ()]' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make let '_lookupTable' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
474 | "0": THREAD_CRUMB__0,
475 | "1": THREAD_CRUMB__1,
Build complete! (5.02s)
Build complete.
{
"dependencies" : [
],
"manifest_display_name" : "Threadcrumb",
"name" : "Threadcrumb",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
],
"products" : [
{
"name" : "Threadcrumb",
"targets" : [
"Threadcrumb"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "ThreadcrumbTests",
"module_type" : "SwiftTarget",
"name" : "ThreadcrumbTests",
"path" : "Tests/ThreadcrumbTests",
"sources" : [
"ThreadcrumbTests.swift"
],
"target_dependencies" : [
"Threadcrumb"
],
"type" : "test"
},
{
"c99name" : "Threadcrumb",
"module_type" : "SwiftTarget",
"name" : "Threadcrumb",
"path" : "Sources/Threadcrumb",
"product_memberships" : [
"Threadcrumb"
],
"sources" : [
"Threadcrumb.swift"
],
"type" : "library"
}
],
"tools_version" : "5.9"
}
Done.