Swift Package Index

Build Information

Failed to build OperantKit, reference 0.0.35 (cd92e5), with Swift 6.4 for macOS (SPM) on 16 Sep 2026 00:30:47 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/YutoMizutani/OperantKit.git
Reference: 0.0.35
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/YutoMizutani/OperantKit
 * tag               0.0.35     -> FETCH_HEAD
HEAD is now at cd92e59 Merge pull request #226 from YutoMizutani/develop
Cloned https://github.com/YutoMizutani/OperantKit.git
Revision (git rev-parse @):
cd92e5961405ff910d88a9625a11fbeb7871717d
SUCCESS checkout https://github.com/YutoMizutani/OperantKit.git at 0.0.35
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/YutoMizutani/OperantKit.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Constructing description]
[Planning deferred tasks]
[39 / 76]
[42 / 77] RxSwift
[53 / 88] RxAtomic
[56 / 88] RxSwift
[60 / 88]
[67 / 89] RxCocoa
[74 / 100] RxCocoa
[77 / 132] RxCocoa
[83 / 132]
[88 / 132]
[92 / 132]
[101 / 133] OperantKit
[106 / 144] OperantKit
[108 / 144]
[111 / 144]
[117 / 144] OperantKit
[118 / 144]
Fetching https://github.com/ReactiveX/RxSwift.git
[1/54528] Fetching rxswift
Fetched https://github.com/ReactiveX/RxSwift.git (11.53s)
Computing version for https://github.com/ReactiveX/RxSwift.git
Computed https://github.com/ReactiveX/RxSwift.git at 4.5.0 (13.80s)
Creating working copy for https://github.com/ReactiveX/RxSwift.git
Working copy of https://github.com/ReactiveX/RxSwift.git resolved at 4.5.0
error: SwiftCompile normal arm64 failed with a nonzero exit code. Command line:     cd /Users/admin/builder

/Users/admin/builder/spi-builder-workspace/Sources/Application/Enums/ExperimentType.swift:20:23: warning: static property 'discreteTrial' produces an empty option set
18 |
19 |     /// Discrete trial procedure
20 |     public static let discreteTrial = ExperimentType(rawValue: 0)
   |                       |- warning: static property 'discreteTrial' produces an empty option set
   |                       `- note: use [] to silence this warning
21 |     /// Continuous free-operant procedure
22 |     public static let freeOperant = ExperimentType(rawValue: 1)
/Users/admin/builder/spi-builder-workspace/Sources/Application/Enums/TrialState.swift:20:23: warning: static property 'ready' produces an empty option set
18 |
19 |     /// Ready for the trial
20 |     public static let ready = TrialState(rawValue: 0)
   |                       |- warning: static property 'ready' produces an empty option set
   |                       `- note: use [] to silence this warning
21 |     /// The trial occured reinforcement
22 |     public static let didReinforcement = TrialState(rawValue: 1)
/Users/admin/builder/spi-builder-workspace/Sources/Application/Extensions/ObservableType+.swift:19:50: error: cannot find type 'Element' in scope
17 |
18 |     /// Translate from Observable to Driver on error just complete
19 |     func asDriverOnErrorJustComplete() -> Driver<Element> {
   |                                                  `- error: cannot find type 'Element' in scope
20 |         return asDriver { error in
21 |             assertionFailure("Error \(error)")
/Users/admin/builder/spi-builder-workspace/Sources/Application/Extensions/ObservableType+.swift:27:66: error: cannot find type 'Element' in scope
25 |
26 |     /// Store the last response and return tuple
27 |     func store(startWith: Self.Element) -> Observable<(newValue: Element, oldValue: Element)> {
   |                                                                  `- error: cannot find type 'Element' in scope
28 |         let shared = self.share(replay: 1)
29 |         return Observable.zip(shared, shared.startWith(startWith)) { a, b in
/Users/admin/builder/spi-builder-workspace/Sources/Application/Extensions/ObservableType+.swift:27:85: error: cannot find type 'Element' in scope
25 |
26 |     /// Store the last response and return tuple
27 |     func store(startWith: Self.Element) -> Observable<(newValue: Element, oldValue: Element)> {
   |                                                                                     `- error: cannot find type 'Element' in scope
28 |         let shared = self.share(replay: 1)
29 |         return Observable.zip(shared, shared.startWith(startWith)) { a, b in
/Users/admin/builder/spi-builder-workspace/Sources/Application/Extensions/ObservableType+.swift:27:32: error: 'Element' is not a member type of type 'Self'
25 |
26 |     /// Store the last response and return tuple
27 |     func store(startWith: Self.Element) -> Observable<(newValue: Element, oldValue: Element)> {
   |                                `- error: 'Element' is not a member type of type 'Self'
28 |         let shared = self.share(replay: 1)
29 |         return Observable.zip(shared, shared.startWith(startWith)) { a, b in
/Users/admin/builder/spi-builder-workspace/Sources/Application/Extensions/ObservableType+.swift:35:43: error: cannot find type 'Element' in scope
33 |
34 |     /// Store the last response and return tuple
35 |     func store() -> Observable<(newValue: Element, oldValue: Element?)> {
   |                                           `- error: cannot find type 'Element' in scope
36 |         let shared = self.share(replay: 1)
37 |         return Observable.zip(shared, shared.map(Optional.init).startWith(nil)) { a, b in
/Users/admin/builder/spi-builder-workspace/Sources/Application/Extensions/ObservableType+.swift:35:62: error: cannot find type 'Element' in scope
33 |
34 |     /// Store the last response and return tuple
35 |     func store() -> Observable<(newValue: Element, oldValue: Element?)> {
   |                                                              `- error: cannot find type 'Element' in scope
36 |         let shared = self.share(replay: 1)
37 |         return Observable.zip(shared, shared.map(Optional.init).startWith(nil)) { a, b in
/Users/admin/builder/spi-builder-workspace/Sources/Application/Extensions/PrimitiveSequence+.swift:21:59: error: 'Element' is not a member type of generic struct 'RxSwift.PrimitiveSequence<Trait, Element>'
19 |
20 |      */
21 |     func map<R>(_ transform: @escaping (PrimitiveSequence.Element) throws -> R) -> RxSwift.Single<R> {
   |                                                           `- error: 'Element' is not a member type of generic struct 'RxSwift.PrimitiveSequence<Trait, Element>'
22 |         return asObservable().map(transform).asSingle()
23 |     }
/Users/admin/builder/spi-builder-workspace/.build/checkouts/RxSwift/Sources/RxSwift/PrimitiveSequence.swift:10:15: note: 'PrimitiveSequence' declared here
  8 |
  9 | /// Observable sequences containing 0 or 1 element.
 10 | public struct PrimitiveSequence<Trait, Element> {
    |               `- note: 'PrimitiveSequence' declared here
 11 |     let source: Observable<Element>
 12 |
/Users/admin/builder/spi-builder-workspace/Sources/Application/Extensions/PrimitiveSequence+.swift:33:62: error: 'Element' is not a member type of generic struct 'RxSwift.PrimitiveSequence<Trait, Element>'
31 |      - returns: An observable sequence whose elements are the result of invoking the one-to-many transform function on each element of the input sequence.
32 |      */
33 |     func flatMap<O>(_ selector: @escaping (PrimitiveSequence.Element) throws -> O) -> RxSwift.Single<O.Element> where O : ObservableConvertibleType {
   |                                                              `- error: 'Element' is not a member type of generic struct 'RxSwift.PrimitiveSequence<Trait, Element>'
34 |         return asObservable().flatMap(selector).asSingle()
35 |     }
/Users/admin/builder/spi-builder-workspace/.build/checkouts/RxSwift/Sources/RxSwift/PrimitiveSequence.swift:10:15: note: 'PrimitiveSequence' declared here
  8 |
  9 | /// Observable sequences containing 0 or 1 element.
 10 | public struct PrimitiveSequence<Trait, Element> {
    |               `- note: 'PrimitiveSequence' declared here
 11 |     let source: Observable<Element>
 12 |
/Users/admin/builder/spi-builder-workspace/Sources/Application/Extensions/PrimitiveSequence+.swift:33:104: error: 'Element' is not a member type of type 'O'
31 |      - returns: An observable sequence whose elements are the result of invoking the one-to-many transform function on each element of the input sequence.
32 |      */
33 |     func flatMap<O>(_ selector: @escaping (PrimitiveSequence.Element) throws -> O) -> RxSwift.Single<O.Element> where O : ObservableConvertibleType {
   |                                                                                                        `- error: 'Element' is not a member type of type 'O'
34 |         return asObservable().flatMap(selector).asSingle()
35 |     }
/Users/admin/builder/spi-builder-workspace/Sources/Application/Extensions/PrimitiveSequence+.swift:46:45: error: 'Element' is not a member type of generic struct 'RxSwift.PrimitiveSequence<Trait, Element>'
44 |
45 |     /// Store the last response and return tuple
46 |     func store(startWith: PrimitiveSequence.Element) -> Single<(newValue: Element, oldValue: Element)> {
   |                                             `- error: 'Element' is not a member type of generic struct 'RxSwift.PrimitiveSequence<Trait, Element>'
47 |         return asObservable().store(startWith: startWith).asSingle()
48 |     }
/Users/admin/builder/spi-builder-workspace/.build/checkouts/RxSwift/Sources/RxSwift/PrimitiveSequence.swift:10:15: note: 'PrimitiveSequence' declared here
  8 |
  9 | /// Observable sequences containing 0 or 1 element.
 10 | public struct PrimitiveSequence<Trait, Element> {
    |               `- note: 'PrimitiveSequence' declared here
 11 |     let source: Observable<Element>
 12 |
Failed frontend command:
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/Users/admin/builder/spi-builder-workspace/Sources/Application/Protocols/ScheduleRepository.swift /Users/admin/builder/spi-builder-workspace/Sources/Application/Protocols/ScheduleUseCase.swift /Users/admin/builder/spi-builder-workspace/Sources/Application/Protocols/TimeUnitable.swift /Users/admin/builder/spi-builder-workspace/Sources/Application/Protocols/TimerUseCase.swift /Users/admin/builder/spi-builder-workspace/Sources/Application/Protocols/TrialParameter.swift /Users/admin/builder/spi-builder-workspace/Sources/Application/Protocols/TrialRecordable.swift /Users/admin/builder/spi-builder-workspace/Sources/Application/Typealias/DecisionSchedule.swift /Users/admin/builder/spi-builder-workspace/Sources/Application/Typealias/Times.swift /Users/admin/builder/spi-builder-workspace/Sources/Common/Events/SessionEvents.swift /Users/admin/builder/spi-builder-workspace/Sources/Common/Helpers/FleshlerHoffman.swift /Users/admin/builder/spi-builder-workspace/Sources/Common/Schedules/CRF.swift /Users/admin/builder/spi-builder-workspace/Sources/Common/Schedules/EXT.swift /Users/admin/builder/spi-builder-workspace/Sources/Common/Schedules/FI.swift /Users/admin/builder/spi-builder-workspace/Sources/Common/Schedules/FR.swift /Users/admin/builder/spi-builder-workspace/Sources/Common/Schedules/FT.swift /Users/admin/builder/spi-builder-workspace/Sources/Common/Schedules/RI.swift /Users/admin/builder/spi-builder-workspace/Sources/Common/Schedules/RR.swift /Users/admin/builder/spi-builder-workspace/Sources/Common/Schedules/RT.swift /Users/admin/builder/spi-builder-workspace/Sources/Common/Schedules/VI.swift /Users/admin/builder/spi-builder-workspace/Sources/Common/Schedules/VR.swift /Users/admin/builder/spi-builder-workspace/Sources/Common/Schedules/VT.swift /Users/admin/builder/spi-builder-workspace/Sources/Data/DataStores/DiscreteTrialDataStoreImpl.swift /Users/admin/builder/spi-builder-workspace/Sources/Data/DataStores/ScheduleDataStore.swift 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error: Build failed
BUILD FAILURE 6.4 macosSpm