Build Information
Successful build of RestEssentials, reference master (dc7366), with Swift 6.1 for macOS (SPM) on 20 Apr 2026 14:13:52 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
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RunAll
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Builder version: 4.70.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/sean7512/RestEssentials.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/sean7512/RestEssentials
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at dc7366d remove build file and update package.swift
Cloned https://github.com/sean7512/RestEssentials.git
Revision (git rev-parse @):
dc7366d999f449e2c6eedf30251b80f70c88069a
SUCCESS checkout https://github.com/sean7512/RestEssentials.git at master
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Build
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Selected platform: macosSpm
Swift version: 6.1
Building package at path: $PWD
https://github.com/sean7512/RestEssentials.git
https://github.com/sean7512/RestEssentials.git
{
"dependencies" : [
],
"manifest_display_name" : "RestEssentials",
"name" : "RestEssentials",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "17.0"
},
{
"name" : "watchos",
"version" : "10.0"
},
{
"name" : "tvos",
"version" : "17.0"
},
{
"name" : "macos",
"version" : "14.0"
}
],
"products" : [
{
"name" : "RestEssentials",
"targets" : [
"RestEssentials"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "RestEssentialsTests",
"module_type" : "SwiftTarget",
"name" : "RestEssentialsTests",
"path" : "Sources/RestEssentialsTests",
"sources" : [
"RestControllerTests.swift"
],
"target_dependencies" : [
"RestEssentials"
],
"type" : "test"
},
{
"c99name" : "RestEssentials",
"module_type" : "SwiftTarget",
"name" : "RestEssentials",
"path" : "Sources/RestEssentials",
"product_memberships" : [
"RestEssentials"
],
"sources" : [
"Deserializer.swift",
"JSON.swift",
"RestController.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
[3/6] Compiling RestEssentials JSON.swift
/Users/admin/builder/spi-builder-workspace/Sources/RestEssentials/JSON.swift:22:24: warning: static property 'kJSONNull' is not concurrency-safe because non-'Sendable' type 'JSON' may have shared mutable state; this is an error in the Swift 6 language mode
18 |
19 | /// Represents any valid JSON type: another JSON object, an array, a string, a number, or a boolean.
20 | public struct JSON : CustomStringConvertible, ExpressibleByArrayLiteral, ExpressibleByDictionaryLiteral {
| `- note: consider making struct 'JSON' conform to the 'Sendable' protocol
21 |
22 | private static let kJSONNull = JSON(rawValue: Void())
| |- warning: static property 'kJSONNull' is not concurrency-safe because non-'Sendable' type 'JSON' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'kJSONNull' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
23 |
24 | private let raw: JSONValue
[4/6] Compiling RestEssentials RestController.swift
/Users/admin/builder/spi-builder-workspace/Sources/RestEssentials/RestController.swift:52:14: warning: non-final class 'RestController' cannot conform to 'Sendable'; use '@unchecked Sendable'; this is an error in the Swift 6 language mode
50 | ///
51 | /// **NOTE:** Ensure to configure `App Transport Security` appropriately.
52 | public class RestController : NSObject, URLSessionDelegate {
| `- warning: non-final class 'RestController' cannot conform to 'Sendable'; use '@unchecked Sendable'; this is an error in the Swift 6 language mode
53 |
54 | fileprivate static let kDefaultRequestTimeout = 60 as TimeInterval
/Users/admin/builder/spi-builder-workspace/Sources/RestEssentials/RestController.swift:65:17: warning: stored property 'session' of 'Sendable'-conforming class 'RestController' is mutable; this is an error in the Swift 6 language mode
63 |
64 | private let url: URL
65 | private var session: URLSession
| `- warning: stored property 'session' of 'Sendable'-conforming class 'RestController' is mutable; this is an error in the Swift 6 language mode
66 |
67 | /// This generator will be called before every useage of this RestController
[5/6] Emitting module RestEssentials
/Users/admin/builder/spi-builder-workspace/Sources/RestEssentials/JSON.swift:22:24: warning: static property 'kJSONNull' is not concurrency-safe because non-'Sendable' type 'JSON' may have shared mutable state; this is an error in the Swift 6 language mode
18 |
19 | /// Represents any valid JSON type: another JSON object, an array, a string, a number, or a boolean.
20 | public struct JSON : CustomStringConvertible, ExpressibleByArrayLiteral, ExpressibleByDictionaryLiteral {
| `- note: consider making struct 'JSON' conform to the 'Sendable' protocol
21 |
22 | private static let kJSONNull = JSON(rawValue: Void())
| |- warning: static property 'kJSONNull' is not concurrency-safe because non-'Sendable' type 'JSON' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'kJSONNull' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
23 |
24 | private let raw: JSONValue
/Users/admin/builder/spi-builder-workspace/Sources/RestEssentials/RestController.swift:52:14: warning: non-final class 'RestController' cannot conform to 'Sendable'; use '@unchecked Sendable'; this is an error in the Swift 6 language mode
50 | ///
51 | /// **NOTE:** Ensure to configure `App Transport Security` appropriately.
52 | public class RestController : NSObject, URLSessionDelegate {
| `- warning: non-final class 'RestController' cannot conform to 'Sendable'; use '@unchecked Sendable'; this is an error in the Swift 6 language mode
53 |
54 | fileprivate static let kDefaultRequestTimeout = 60 as TimeInterval
/Users/admin/builder/spi-builder-workspace/Sources/RestEssentials/RestController.swift:65:17: warning: stored property 'session' of 'Sendable'-conforming class 'RestController' is mutable; this is an error in the Swift 6 language mode
63 |
64 | private let url: URL
65 | private var session: URLSession
| `- warning: stored property 'session' of 'Sendable'-conforming class 'RestController' is mutable; this is an error in the Swift 6 language mode
66 |
67 | /// This generator will be called before every useage of this RestController
[6/6] Compiling RestEssentials Deserializer.swift
Build complete! (7.03s)
warning: 'spi-builder-workspace': found 1 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
/Users/admin/builder/spi-builder-workspace/Sources/RestEssentials/Info.plist
Build complete.
{
"dependencies" : [
],
"manifest_display_name" : "RestEssentials",
"name" : "RestEssentials",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "17.0"
},
{
"name" : "watchos",
"version" : "10.0"
},
{
"name" : "tvos",
"version" : "17.0"
},
{
"name" : "macos",
"version" : "14.0"
}
],
"products" : [
{
"name" : "RestEssentials",
"targets" : [
"RestEssentials"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "RestEssentialsTests",
"module_type" : "SwiftTarget",
"name" : "RestEssentialsTests",
"path" : "Sources/RestEssentialsTests",
"sources" : [
"RestControllerTests.swift"
],
"target_dependencies" : [
"RestEssentials"
],
"type" : "test"
},
{
"c99name" : "RestEssentials",
"module_type" : "SwiftTarget",
"name" : "RestEssentials",
"path" : "Sources/RestEssentials",
"product_memberships" : [
"RestEssentials"
],
"sources" : [
"Deserializer.swift",
"JSON.swift",
"RestController.swift"
],
"type" : "library"
}
],
"tools_version" : "5.9"
}
Done.