Build Information
Successful build of Mockingbird, reference master (210ec2), with Swift 6.4 for macOS (SPM) on 20 Sep 2026 14:19:15 UTC.
Swift 6 data race errors: 0
Build Command
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64Build Log
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RunAll
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Builder version: 5.1.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/typealiased/mockingbird.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/typealiased/mockingbird
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at 210ec23 Clean up print statements (#299)
Cloned https://github.com/typealiased/mockingbird.git
Revision (git rev-parse @):
210ec238b470ac6fd60f7ecfa2218b544519773f
SUCCESS checkout https://github.com/typealiased/mockingbird.git at master
========================================
Build
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Selected platform: macosSpm
Swift version: 6.4
Building package at path: $PWD
https://github.com/typealiased/mockingbird.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
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Build complete! (10.74 sec)
/Users/admin/builder/spi-builder-workspace/Sources/MockingbirdFramework/Matching/ArgumentCaptor.swift:32:19: [1;33mwarning: [1;39mgeneric parameter 'ParameterType' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode[0;0m
[0;36m14 |[0;0m /// print(nameCaptor.value) // Prints "Ryan"
[0;36m15 |[0;0m /// ```
[0;36m16 |[0;0m public class ArgumentCaptor<ParameterType>: ArgumentMatcher {
[0;36m|[0;0m `- [1;39mnote: [1;39m'ParameterType' previously declared here[0;0m
[0;36m17 |[0;0m final class WeakBox<A: AnyObject> {
[0;36m18 |[0;0m weak var value: A?
[0;36m:[0;0m
[0;36m30 |[0;0m /// Creates an argument matcher that can be passed to a mockable declaration.
[0;36m31 |[0;0m // The generic constraint shadows the class constraint so the ObjC overload is picked up.
[0;36m32 |[0;0m public func any<ParameterType>() -> ParameterType {
[0;36m|[0;0m `- [1;33mwarning: [1;39mgeneric parameter 'ParameterType' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode[0;0m
[0;36m33 |[0;0m return createTypeFacade(self)
[0;36m34 |[0;0m }
/Users/admin/builder/spi-builder-workspace/Sources/MockingbirdFramework/Matching/ArgumentCaptor.swift:37:19: [1;33mwarning: [1;39mgeneric parameter 'ParameterType' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode[0;0m
[0;36m14 |[0;0m /// print(nameCaptor.value) // Prints "Ryan"
[0;36m15 |[0;0m /// ```
[0;36m16 |[0;0m public class ArgumentCaptor<ParameterType>: ArgumentMatcher {
[0;36m|[0;0m `- [1;39mnote: [1;39m'ParameterType' previously declared here[0;0m
[0;36m17 |[0;0m final class WeakBox<A: AnyObject> {
[0;36m18 |[0;0m weak var value: A?
[0;36m:[0;0m
[0;36m35 |[0;0m
[0;36m36 |[0;0m /// Creates an argument matcher that can be passed to a mockable declaration.
[0;36m37 |[0;0m public func any<ParameterType: NSObjectProtocol>() -> ParameterType {
[0;36m|[0;0m `- [1;33mwarning: [1;39mgeneric parameter 'ParameterType' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode[0;0m
[0;36m38 |[0;0m return createTypeFacade(self)
[0;36m39 |[0;0m }
/Users/admin/builder/spi-builder-workspace/Sources/MockingbirdFramework/Stubbing/ImplementationProvider.swift:45:19: [1;33mwarning: [1;39mgeneric parameter 'DeclarationType' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode[0;0m
[0;36m2 |[0;0m
[0;36m3 |[0;0m /// Provides implementation functions used to stub behavior and return values.
[0;36m4 |[0;0m public struct ImplementationProvider<DeclarationType: Declaration, InvocationType, ReturnType> {
[0;36m|[0;0m `- [1;39mnote: [1;39m'DeclarationType' previously declared here[0;0m
[0;36m5 |[0;0m private let createImplementation: () -> Any?
[0;36m6 |[0;0m private let callback: ((StubbingContext.Stub, Context) -> Void)?
[0;36m:[0;0m
[0;36m43 |[0;0m }
[0;36m44 |[0;0m
[0;36m45 |[0;0m func didAddStub<DeclarationType: Declaration>(
[0;36m|[0;0m `- [1;33mwarning: [1;39mgeneric parameter 'DeclarationType' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode[0;0m
[0;36m46 |[0;0m _ stub: StubbingContext.Stub,
[0;36m47 |[0;0m context: Context,
/Users/admin/builder/spi-builder-workspace/Sources/MockingbirdFramework/Matching/ArgumentCaptor.swift:32:19: [1;33mwarning: [1;39mgeneric parameter 'ParameterType' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode[0;0m
[0;36m14 |[0;0m /// print(nameCaptor.value) // Prints "Ryan"
[0;36m15 |[0;0m /// ```
[0;36m16 |[0;0m public class ArgumentCaptor<ParameterType>: ArgumentMatcher {
[0;36m|[0;0m `- [1;39mnote: [1;39m'ParameterType' previously declared here[0;0m
[0;36m17 |[0;0m final class WeakBox<A: AnyObject> {
[0;36m18 |[0;0m weak var value: A?
[0;36m:[0;0m
[0;36m30 |[0;0m /// Creates an argument matcher that can be passed to a mockable declaration.
[0;36m31 |[0;0m // The generic constraint shadows the class constraint so the ObjC overload is picked up.
[0;36m32 |[0;0m public func any<ParameterType>() -> ParameterType {
[0;36m|[0;0m `- [1;33mwarning: [1;39mgeneric parameter 'ParameterType' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode[0;0m
[0;36m33 |[0;0m return createTypeFacade(self)
[0;36m34 |[0;0m }
/Users/admin/builder/spi-builder-workspace/Sources/MockingbirdFramework/Matching/ArgumentCaptor.swift:37:19: [1;33mwarning: [1;39mgeneric parameter 'ParameterType' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode[0;0m
[0;36m14 |[0;0m /// print(nameCaptor.value) // Prints "Ryan"
[0;36m15 |[0;0m /// ```
[0;36m16 |[0;0m public class ArgumentCaptor<ParameterType>: ArgumentMatcher {
[0;36m|[0;0m `- [1;39mnote: [1;39m'ParameterType' previously declared here[0;0m
[0;36m17 |[0;0m final class WeakBox<A: AnyObject> {
[0;36m18 |[0;0m weak var value: A?
[0;36m:[0;0m
[0;36m35 |[0;0m
[0;36m36 |[0;0m /// Creates an argument matcher that can be passed to a mockable declaration.
[0;36m37 |[0;0m public func any<ParameterType: NSObjectProtocol>() -> ParameterType {
[0;36m|[0;0m `- [1;33mwarning: [1;39mgeneric parameter 'ParameterType' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode[0;0m
[0;36m38 |[0;0m return createTypeFacade(self)
[0;36m39 |[0;0m }
/Users/admin/builder/spi-builder-workspace/Sources/MockingbirdFramework/Stubbing/ImplementationProvider.swift:45:19: [1;33mwarning: [1;39mgeneric parameter 'DeclarationType' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode[0;0m
[0;36m2 |[0;0m
[0;36m3 |[0;0m /// Provides implementation functions used to stub behavior and return values.
[0;36m4 |[0;0m public struct ImplementationProvider<DeclarationType: Declaration, InvocationType, ReturnType> {
[0;36m|[0;0m `- [1;39mnote: [1;39m'DeclarationType' previously declared here[0;0m
[0;36m5 |[0;0m private let createImplementation: () -> Any?
[0;36m6 |[0;0m private let callback: ((StubbingContext.Stub, Context) -> Void)?
[0;36m:[0;0m
[0;36m43 |[0;0m }
[0;36m44 |[0;0m
[0;36m45 |[0;0m func didAddStub<DeclarationType: Declaration>(
[0;36m|[0;0m `- [1;33mwarning: [1;39mgeneric parameter 'DeclarationType' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode[0;0m
[0;36m46 |[0;0m _ stub: StubbingContext.Stub,
[0;36m47 |[0;0m context: Context,
Build complete.
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Done.