Swift Package Index

Build Information

Failed to build AsyncNinja with Swift 5.10 for Linux.

Build Command

bash -c docker run --rm -v "checkouts-4609320-1":/host -w "$workDir" registry.gitlab.com/finestructure/spi-images:basic-5.10-latest swift build 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.29.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/AsyncNinja/AsyncNinja.git
Reference: 1.4.0
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: 	git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: 	git branch -m <name>
From https://github.com/AsyncNinja/AsyncNinja
 * tag               1.4.0      -> FETCH_HEAD
HEAD is now at b6f4e2e Bumping version to 1.4.0
Cloned https://github.com/AsyncNinja/AsyncNinja.git
Revision (git rev-parse @):
b6f4e2e7bef49d6de19eca8dd9c86e2b754dc114
SUCCESS checkout https://github.com/AsyncNinja/AsyncNinja.git at 1.4.0
========================================
Build
========================================
Selected platform:         linux
Swift version:             5.10
Building package at path:  $workDir
https://github.com/AsyncNinja/AsyncNinja.git
Running build ...
bash -c docker run --rm -v "checkouts-4609320-1":/host -w "$workDir" registry.gitlab.com/finestructure/spi-images:basic-5.10-latest swift build 2>&1
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[3/60] Emitting module AsyncNinja
/host/spi-builder-workspace/Sources/Util.swift:53:34: error: cannot find type 'DateFormatter' in scope
  static let debugDateFormatter: DateFormatter = { () -> DateFormatter in
                                 ^~~~~~~~~~~~~
[4/68] Compiling AsyncNinja appleOS_Observation.swift
[5/68] Compiling AsyncNinja appleOS_ReactiveProperties.swift
[6/68] Compiling AsyncNinja appleOS_Retainer.swift
[7/68] Compiling AsyncNinja appleOS_URLSession.swift
[8/68] Compiling AsyncNinja iOS.swift
[9/68] Compiling AsyncNinja macOS.swift
[10/68] Compiling AsyncNinja macOS_BindingsProxy.swift
[11/68] Compiling AsyncNinja watchOS.swift
[12/68] Compiling AsyncNinja ReleasePool.swift
/host/spi-builder-workspace/Sources/Sequence_AsyncFlatMap.swift:87:9: warning: variable 'locking' was never mutated; consider changing to 'let' constant
    var locking = makeLocking()
    ~~~ ^
    let
/host/spi-builder-workspace/Sources/Sequence_AsyncMap.swift:83:9: warning: variable 'locking' was never mutated; consider changing to 'let' constant
    var locking = makeLocking()
    ~~~ ^
    let
[13/68] Compiling AsyncNinja Sequence_AsyncFlatMap.swift
/host/spi-builder-workspace/Sources/Sequence_AsyncFlatMap.swift:87:9: warning: variable 'locking' was never mutated; consider changing to 'let' constant
    var locking = makeLocking()
    ~~~ ^
    let
/host/spi-builder-workspace/Sources/Sequence_AsyncMap.swift:83:9: warning: variable 'locking' was never mutated; consider changing to 'let' constant
    var locking = makeLocking()
    ~~~ ^
    let
[14/68] Compiling AsyncNinja Sequence_AsyncMap.swift
/host/spi-builder-workspace/Sources/Sequence_AsyncFlatMap.swift:87:9: warning: variable 'locking' was never mutated; consider changing to 'let' constant
    var locking = makeLocking()
    ~~~ ^
    let
/host/spi-builder-workspace/Sources/Sequence_AsyncMap.swift:83:9: warning: variable 'locking' was never mutated; consider changing to 'let' constant
    var locking = makeLocking()
    ~~~ ^
    let
[15/68] Compiling AsyncNinja Sequence_AsyncReduce.swift
/host/spi-builder-workspace/Sources/Sequence_AsyncFlatMap.swift:87:9: warning: variable 'locking' was never mutated; consider changing to 'let' constant
    var locking = makeLocking()
    ~~~ ^
    let
/host/spi-builder-workspace/Sources/Sequence_AsyncMap.swift:83:9: warning: variable 'locking' was never mutated; consider changing to 'let' constant
    var locking = makeLocking()
    ~~~ ^
    let
[16/68] Compiling AsyncNinja SinglyLinkedList.swift
/host/spi-builder-workspace/Sources/Sequence_AsyncFlatMap.swift:87:9: warning: variable 'locking' was never mutated; consider changing to 'let' constant
    var locking = makeLocking()
    ~~~ ^
    let
/host/spi-builder-workspace/Sources/Sequence_AsyncMap.swift:83:9: warning: variable 'locking' was never mutated; consider changing to 'let' constant
    var locking = makeLocking()
    ~~~ ^
    let
[17/68] Compiling AsyncNinja Sink.swift
/host/spi-builder-workspace/Sources/Sequence_AsyncFlatMap.swift:87:9: warning: variable 'locking' was never mutated; consider changing to 'let' constant
    var locking = makeLocking()
    ~~~ ^
    let
/host/spi-builder-workspace/Sources/Sequence_AsyncMap.swift:83:9: warning: variable 'locking' was never mutated; consider changing to 'let' constant
    var locking = makeLocking()
    ~~~ ^
    let
[18/68] Compiling AsyncNinja Stack.swift
/host/spi-builder-workspace/Sources/Sequence_AsyncFlatMap.swift:87:9: warning: variable 'locking' was never mutated; consider changing to 'let' constant
    var locking = makeLocking()
    ~~~ ^
    let
/host/spi-builder-workspace/Sources/Sequence_AsyncMap.swift:83:9: warning: variable 'locking' was never mutated; consider changing to 'let' constant
    var locking = makeLocking()
    ~~~ ^
    let
[19/68] Compiling AsyncNinja TimerChannel.swift
/host/spi-builder-workspace/Sources/Sequence_AsyncFlatMap.swift:87:9: warning: variable 'locking' was never mutated; consider changing to 'let' constant
    var locking = makeLocking()
    ~~~ ^
    let
/host/spi-builder-workspace/Sources/Sequence_AsyncMap.swift:83:9: warning: variable 'locking' was never mutated; consider changing to 'let' constant
    var locking = makeLocking()
    ~~~ ^
    let
[20/68] Compiling AsyncNinja TryExecute.swift
/host/spi-builder-workspace/Sources/Util.swift:53:34: error: cannot find type 'DateFormatter' in scope
  static let debugDateFormatter: DateFormatter = { () -> DateFormatter in
                                 ^~~~~~~~~~~~~
/host/spi-builder-workspace/Sources/Zip2Futures.swift:41:7: warning: variable 'locking' was never mutated; consider changing to 'let' constant
  var locking = makeLocking()
  ~~~ ^
  let
/host/spi-builder-workspace/Sources/Zip3Futures.swift:42:7: warning: variable 'locking' was never mutated; consider changing to 'let' constant
  var locking = makeLocking()
  ~~~ ^
  let
[21/68] Compiling AsyncNinja Util.swift
/host/spi-builder-workspace/Sources/Util.swift:53:34: error: cannot find type 'DateFormatter' in scope
  static let debugDateFormatter: DateFormatter = { () -> DateFormatter in
                                 ^~~~~~~~~~~~~
/host/spi-builder-workspace/Sources/Zip2Futures.swift:41:7: warning: variable 'locking' was never mutated; consider changing to 'let' constant
  var locking = makeLocking()
  ~~~ ^
  let
/host/spi-builder-workspace/Sources/Zip3Futures.swift:42:7: warning: variable 'locking' was never mutated; consider changing to 'let' constant
  var locking = makeLocking()
  ~~~ ^
  let
[22/68] Compiling AsyncNinja Zip2Futures.swift
/host/spi-builder-workspace/Sources/Util.swift:53:34: error: cannot find type 'DateFormatter' in scope
  static let debugDateFormatter: DateFormatter = { () -> DateFormatter in
                                 ^~~~~~~~~~~~~
/host/spi-builder-workspace/Sources/Zip2Futures.swift:41:7: warning: variable 'locking' was never mutated; consider changing to 'let' constant
  var locking = makeLocking()
  ~~~ ^
  let
/host/spi-builder-workspace/Sources/Zip3Futures.swift:42:7: warning: variable 'locking' was never mutated; consider changing to 'let' constant
  var locking = makeLocking()
  ~~~ ^
  let
[23/68] Compiling AsyncNinja Zip3Futures.swift
/host/spi-builder-workspace/Sources/Util.swift:53:34: error: cannot find type 'DateFormatter' in scope
  static let debugDateFormatter: DateFormatter = { () -> DateFormatter in
                                 ^~~~~~~~~~~~~
/host/spi-builder-workspace/Sources/Zip2Futures.swift:41:7: warning: variable 'locking' was never mutated; consider changing to 'let' constant
  var locking = makeLocking()
  ~~~ ^
  let
/host/spi-builder-workspace/Sources/Zip3Futures.swift:42:7: warning: variable 'locking' was never mutated; consider changing to 'let' constant
  var locking = makeLocking()
  ~~~ ^
  let
[24/68] Compiling AsyncNinja appleOS.swift
/host/spi-builder-workspace/Sources/Util.swift:53:34: error: cannot find type 'DateFormatter' in scope
  static let debugDateFormatter: DateFormatter = { () -> DateFormatter in
                                 ^~~~~~~~~~~~~
/host/spi-builder-workspace/Sources/Zip2Futures.swift:41:7: warning: variable 'locking' was never mutated; consider changing to 'let' constant
  var locking = makeLocking()
  ~~~ ^
  let
/host/spi-builder-workspace/Sources/Zip3Futures.swift:42:7: warning: variable 'locking' was never mutated; consider changing to 'let' constant
  var locking = makeLocking()
  ~~~ ^
  let
[25/68] Compiling AsyncNinja appleOS_CoreData.swift
/host/spi-builder-workspace/Sources/Util.swift:53:34: error: cannot find type 'DateFormatter' in scope
  static let debugDateFormatter: DateFormatter = { () -> DateFormatter in
                                 ^~~~~~~~~~~~~
/host/spi-builder-workspace/Sources/Zip2Futures.swift:41:7: warning: variable 'locking' was never mutated; consider changing to 'let' constant
  var locking = makeLocking()
  ~~~ ^
  let
/host/spi-builder-workspace/Sources/Zip3Futures.swift:42:7: warning: variable 'locking' was never mutated; consider changing to 'let' constant
  var locking = makeLocking()
  ~~~ ^
  let
[26/68] Compiling AsyncNinja appleOS_ExecutionContext.swift
/host/spi-builder-workspace/Sources/Util.swift:53:34: error: cannot find type 'DateFormatter' in scope
  static let debugDateFormatter: DateFormatter = { () -> DateFormatter in
                                 ^~~~~~~~~~~~~
/host/spi-builder-workspace/Sources/Zip2Futures.swift:41:7: warning: variable 'locking' was never mutated; consider changing to 'let' constant
  var locking = makeLocking()
  ~~~ ^
  let
/host/spi-builder-workspace/Sources/Zip3Futures.swift:42:7: warning: variable 'locking' was never mutated; consider changing to 'let' constant
  var locking = makeLocking()
  ~~~ ^
  let
[27/68] Compiling AsyncNinja appleOS_Notifications.swift
/host/spi-builder-workspace/Sources/Util.swift:53:34: error: cannot find type 'DateFormatter' in scope
  static let debugDateFormatter: DateFormatter = { () -> DateFormatter in
                                 ^~~~~~~~~~~~~
/host/spi-builder-workspace/Sources/Zip2Futures.swift:41:7: warning: variable 'locking' was never mutated; consider changing to 'let' constant
  var locking = makeLocking()
  ~~~ ^
  let
/host/spi-builder-workspace/Sources/Zip3Futures.swift:42:7: warning: variable 'locking' was never mutated; consider changing to 'let' constant
  var locking = makeLocking()
  ~~~ ^
  let
[28/68] Compiling AsyncNinja BaseProducer.swift
/host/spi-builder-workspace/Sources/Completing_Implementation.swift:190:9: warning: variable 'handler' was written to, but never read
    var handler = makeCompletionHandler(executor: .immediate) { (completion, _) in
        ^
[29/68] Compiling AsyncNinja Box.swift
/host/spi-builder-workspace/Sources/Completing_Implementation.swift:190:9: warning: variable 'handler' was written to, but never read
    var handler = makeCompletionHandler(executor: .immediate) { (completion, _) in
        ^
[30/68] Compiling AsyncNinja CachableValue.swift
/host/spi-builder-workspace/Sources/Completing_Implementation.swift:190:9: warning: variable 'handler' was written to, but never read
    var handler = makeCompletionHandler(executor: .immediate) { (completion, _) in
        ^
[31/68] Compiling AsyncNinja Cache.swift
/host/spi-builder-workspace/Sources/Completing_Implementation.swift:190:9: warning: variable 'handler' was written to, but never read
    var handler = makeCompletionHandler(executor: .immediate) { (completion, _) in
        ^
[32/68] Compiling AsyncNinja CancellationToken.swift
/host/spi-builder-workspace/Sources/Completing_Implementation.swift:190:9: warning: variable 'handler' was written to, but never read
    var handler = makeCompletionHandler(executor: .immediate) { (completion, _) in
        ^
[33/68] Compiling AsyncNinja Channel.swift
/host/spi-builder-workspace/Sources/Completing_Implementation.swift:190:9: warning: variable 'handler' was written to, but never read
    var handler = makeCompletionHandler(executor: .immediate) { (completion, _) in
        ^
[34/68] Compiling AsyncNinja Channel_makers.swift
/host/spi-builder-workspace/Sources/Completing_Implementation.swift:190:9: warning: variable 'handler' was written to, but never read
    var handler = makeCompletionHandler(executor: .immediate) { (completion, _) in
        ^
[35/68] Compiling AsyncNinja Completable_Implementation.swift
/host/spi-builder-workspace/Sources/Completing_Implementation.swift:190:9: warning: variable 'handler' was written to, but never read
    var handler = makeCompletionHandler(executor: .immediate) { (completion, _) in
        ^
[36/68] Compiling AsyncNinja Completing_Implementation.swift
/host/spi-builder-workspace/Sources/Completing_Implementation.swift:190:9: warning: variable 'handler' was written to, but never read
    var handler = makeCompletionHandler(executor: .immediate) { (completion, _) in
        ^
[37/68] Compiling AsyncNinja EventSource_FlatMapFutures.swift
/host/spi-builder-workspace/Sources/EventSource_Merge2.swift:39:7: warning: variable 'locking' was never mutated; consider changing to 'let' constant
  var locking = makeLocking()
  ~~~ ^
  let
[38/68] Compiling AsyncNinja EventSource_Implementation.swift
/host/spi-builder-workspace/Sources/EventSource_Merge2.swift:39:7: warning: variable 'locking' was never mutated; consider changing to 'let' constant
  var locking = makeLocking()
  ~~~ ^
  let
[39/68] Compiling AsyncNinja EventSource_Map.swift
/host/spi-builder-workspace/Sources/EventSource_Merge2.swift:39:7: warning: variable 'locking' was never mutated; consider changing to 'let' constant
  var locking = makeLocking()
  ~~~ ^
  let
[40/68] Compiling AsyncNinja EventSource_Merge2.swift
/host/spi-builder-workspace/Sources/EventSource_Merge2.swift:39:7: warning: variable 'locking' was never mutated; consider changing to 'let' constant
  var locking = makeLocking()
  ~~~ ^
  let
[41/68] Compiling AsyncNinja EventSource_Merge2Unrelated.swift
/host/spi-builder-workspace/Sources/EventSource_Merge2.swift:39:7: warning: variable 'locking' was never mutated; consider changing to 'let' constant
  var locking = makeLocking()
  ~~~ ^
  let
[42/68] Compiling AsyncNinja EventSource_Sample.swift
/host/spi-builder-workspace/Sources/EventSource_Merge2.swift:39:7: warning: variable 'locking' was never mutated; consider changing to 'let' constant
  var locking = makeLocking()
  ~~~ ^
  let
[43/68] Compiling AsyncNinja EventSource_Scan.swift
/host/spi-builder-workspace/Sources/EventSource_Merge2.swift:39:7: warning: variable 'locking' was never mutated; consider changing to 'let' constant
  var locking = makeLocking()
  ~~~ ^
  let
[44/68] Compiling AsyncNinja EventSource_ToFuture.swift
/host/spi-builder-workspace/Sources/EventSource_Merge2.swift:39:7: warning: variable 'locking' was never mutated; consider changing to 'let' constant
  var locking = makeLocking()
  ~~~ ^
  let
[45/68] Compiling AsyncNinja EventSource_Transform.swift
/host/spi-builder-workspace/Sources/EventSource_Transform.swift:53:11: warning: variable 'locking' was never mutated; consider changing to 'let' constant
      var locking = makeLocking()
      ~~~ ^
      let
/host/spi-builder-workspace/Sources/EventSource_Transform.swift:341:9: warning: variable 'locking' was never mutated; consider changing to 'let' constant
    var locking = makeLocking(isFair: true)
    ~~~ ^
    let
/host/spi-builder-workspace/Sources/EventSource_Transform.swift:403:9: warning: variable 'locking' was never mutated; consider changing to 'let' constant
    var locking = makeLocking(isFair: true)
    ~~~ ^
    let
[46/68] Compiling AsyncNinja EventSource_Zip2.swift
/host/spi-builder-workspace/Sources/EventSource_Transform.swift:53:11: warning: variable 'locking' was never mutated; consider changing to 'let' constant
      var locking = makeLocking()
      ~~~ ^
      let
/host/spi-builder-workspace/Sources/EventSource_Transform.swift:341:9: warning: variable 'locking' was never mutated; consider changing to 'let' constant
    var locking = makeLocking(isFair: true)
    ~~~ ^
    let
/host/spi-builder-workspace/Sources/EventSource_Transform.swift:403:9: warning: variable 'locking' was never mutated; consider changing to 'let' constant
    var locking = makeLocking(isFair: true)
    ~~~ ^
    let
[47/68] Compiling AsyncNinja ExecutionContext.swift
/host/spi-builder-workspace/Sources/EventSource_Transform.swift:53:11: warning: variable 'locking' was never mutated; consider changing to 'let' constant
      var locking = makeLocking()
      ~~~ ^
      let
/host/spi-builder-workspace/Sources/EventSource_Transform.swift:341:9: warning: variable 'locking' was never mutated; consider changing to 'let' constant
    var locking = makeLocking(isFair: true)
    ~~~ ^
    let
/host/spi-builder-workspace/Sources/EventSource_Transform.swift:403:9: warning: variable 'locking' was never mutated; consider changing to 'let' constant
    var locking = makeLocking(isFair: true)
    ~~~ ^
    let
[48/68] Compiling AsyncNinja Executor.swift
/host/spi-builder-workspace/Sources/EventSource_Transform.swift:53:11: warning: variable 'locking' was never mutated; consider changing to 'let' constant
      var locking = makeLocking()
      ~~~ ^
      let
/host/spi-builder-workspace/Sources/EventSource_Transform.swift:341:9: warning: variable 'locking' was never mutated; consider changing to 'let' constant
    var locking = makeLocking(isFair: true)
    ~~~ ^
    let
/host/spi-builder-workspace/Sources/EventSource_Transform.swift:403:9: warning: variable 'locking' was never mutated; consider changing to 'let' constant
    var locking = makeLocking(isFair: true)
    ~~~ ^
    let
[49/68] Compiling AsyncNinja Fallible.swift
/host/spi-builder-workspace/Sources/EventSource_Transform.swift:53:11: warning: variable 'locking' was never mutated; consider changing to 'let' constant
      var locking = makeLocking()
      ~~~ ^
      let
/host/spi-builder-workspace/Sources/EventSource_Transform.swift:341:9: warning: variable 'locking' was never mutated; consider changing to 'let' constant
    var locking = makeLocking(isFair: true)
    ~~~ ^
    let
/host/spi-builder-workspace/Sources/EventSource_Transform.swift:403:9: warning: variable 'locking' was never mutated; consider changing to 'let' constant
    var locking = makeLocking(isFair: true)
    ~~~ ^
    let
[50/68] Compiling AsyncNinja Future.swift
/host/spi-builder-workspace/Sources/EventSource_Transform.swift:53:11: warning: variable 'locking' was never mutated; consider changing to 'let' constant
      var locking = makeLocking()
      ~~~ ^
      let
/host/spi-builder-workspace/Sources/EventSource_Transform.swift:341:9: warning: variable 'locking' was never mutated; consider changing to 'let' constant
    var locking = makeLocking(isFair: true)
    ~~~ ^
    let
/host/spi-builder-workspace/Sources/EventSource_Transform.swift:403:9: warning: variable 'locking' was never mutated; consider changing to 'let' constant
    var locking = makeLocking(isFair: true)
    ~~~ ^
    let
[51/68] Compiling AsyncNinja Future_Makers.swift
/host/spi-builder-workspace/Sources/EventSource_Transform.swift:53:11: warning: variable 'locking' was never mutated; consider changing to 'let' constant
      var locking = makeLocking()
      ~~~ ^
      let
/host/spi-builder-workspace/Sources/EventSource_Transform.swift:341:9: warning: variable 'locking' was never mutated; consider changing to 'let' constant
    var locking = makeLocking(isFair: true)
    ~~~ ^
    let
/host/spi-builder-workspace/Sources/EventSource_Transform.swift:403:9: warning: variable 'locking' was never mutated; consider changing to 'let' constant
    var locking = makeLocking(isFair: true)
    ~~~ ^
    let
[52/68] Compiling AsyncNinja KeyProtocols.swift
/host/spi-builder-workspace/Sources/EventSource_Transform.swift:53:11: warning: variable 'locking' was never mutated; consider changing to 'let' constant
      var locking = makeLocking()
      ~~~ ^
      let
/host/spi-builder-workspace/Sources/EventSource_Transform.swift:341:9: warning: variable 'locking' was never mutated; consider changing to 'let' constant
    var locking = makeLocking(isFair: true)
    ~~~ ^
    let
/host/spi-builder-workspace/Sources/EventSource_Transform.swift:403:9: warning: variable 'locking' was never mutated; consider changing to 'let' constant
    var locking = makeLocking(isFair: true)
    ~~~ ^
    let
[53/68] Compiling AsyncNinja Locking.swift
[54/68] Compiling AsyncNinja MergeFutures.swift
[55/68] Compiling AsyncNinja NetworkReachability.swift
[56/68] Compiling AsyncNinja OptionalAdaptor.swift
[57/68] Compiling AsyncNinja Producer.swift
[58/68] Compiling AsyncNinja ProducerProxy.swift
[59/68] Compiling AsyncNinja Promise.swift
[60/68] Compiling AsyncNinja Queue.swift
[61/68] Compiling AsyncNinja Completing_Transform.swift
/host/spi-builder-workspace/Sources/Util.swift:53:34: error: cannot find type 'DateFormatter' in scope
  static let debugDateFormatter: DateFormatter = { () -> DateFormatter in
                                 ^~~~~~~~~~~~~
/host/spi-builder-workspace/Sources/EventSource_Combine.swift:54:9: warning: variable 'locking' was never mutated; consider changing to 'let' constant
    var locking = makeLocking(isFair: true)
    ~~~ ^
    let
[62/68] Compiling AsyncNinja ConstantFuture.swift
/host/spi-builder-workspace/Sources/Util.swift:53:34: error: cannot find type 'DateFormatter' in scope
  static let debugDateFormatter: DateFormatter = { () -> DateFormatter in
                                 ^~~~~~~~~~~~~
/host/spi-builder-workspace/Sources/EventSource_Combine.swift:54:9: warning: variable 'locking' was never mutated; consider changing to 'let' constant
    var locking = makeLocking(isFair: true)
    ~~~ ^
    let
[63/68] Compiling AsyncNinja Debug.swift
/host/spi-builder-workspace/Sources/Util.swift:53:34: error: cannot find type 'DateFormatter' in scope
  static let debugDateFormatter: DateFormatter = { () -> DateFormatter in
                                 ^~~~~~~~~~~~~
/host/spi-builder-workspace/Sources/EventSource_Combine.swift:54:9: warning: variable 'locking' was never mutated; consider changing to 'let' constant
    var locking = makeLocking(isFair: true)
    ~~~ ^
    let
[64/68] Compiling AsyncNinja Dispatch_Extensions.swift
/host/spi-builder-workspace/Sources/Util.swift:53:34: error: cannot find type 'DateFormatter' in scope
  static let debugDateFormatter: DateFormatter = { () -> DateFormatter in
                                 ^~~~~~~~~~~~~
/host/spi-builder-workspace/Sources/EventSource_Combine.swift:54:9: warning: variable 'locking' was never mutated; consider changing to 'let' constant
    var locking = makeLocking(isFair: true)
    ~~~ ^
    let
[65/68] Compiling AsyncNinja DynamicProperty.swift
/host/spi-builder-workspace/Sources/Util.swift:53:34: error: cannot find type 'DateFormatter' in scope
  static let debugDateFormatter: DateFormatter = { () -> DateFormatter in
                                 ^~~~~~~~~~~~~
/host/spi-builder-workspace/Sources/EventSource_Combine.swift:54:9: warning: variable 'locking' was never mutated; consider changing to 'let' constant
    var locking = makeLocking(isFair: true)
    ~~~ ^
    let
[66/68] Compiling AsyncNinja Either.swift
/host/spi-builder-workspace/Sources/Util.swift:53:34: error: cannot find type 'DateFormatter' in scope
  static let debugDateFormatter: DateFormatter = { () -> DateFormatter in
                                 ^~~~~~~~~~~~~
/host/spi-builder-workspace/Sources/EventSource_Combine.swift:54:9: warning: variable 'locking' was never mutated; consider changing to 'let' constant
    var locking = makeLocking(isFair: true)
    ~~~ ^
    let
[67/68] Compiling AsyncNinja EventSource_Combine.swift
/host/spi-builder-workspace/Sources/Util.swift:53:34: error: cannot find type 'DateFormatter' in scope
  static let debugDateFormatter: DateFormatter = { () -> DateFormatter in
                                 ^~~~~~~~~~~~~
/host/spi-builder-workspace/Sources/EventSource_Combine.swift:54:9: warning: variable 'locking' was never mutated; consider changing to 'let' constant
    var locking = makeLocking(isFair: true)
    ~~~ ^
    let
[68/68] Compiling AsyncNinja EventSource_Debounce.swift
/host/spi-builder-workspace/Sources/Util.swift:53:34: error: cannot find type 'DateFormatter' in scope
  static let debugDateFormatter: DateFormatter = { () -> DateFormatter in
                                 ^~~~~~~~~~~~~
/host/spi-builder-workspace/Sources/EventSource_Combine.swift:54:9: warning: variable 'locking' was never mutated; consider changing to 'let' constant
    var locking = makeLocking(isFair: true)
    ~~~ ^
    let
error: fatalError
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
[2/16] Compiling AsyncNinja appleOS.swift
[3/16] Compiling AsyncNinja appleOS_CoreData.swift
[4/18] Compiling AsyncNinja Zip2Futures.swift
/host/spi-builder-workspace/Sources/Zip2Futures.swift:41:7: warning: variable 'locking' was never mutated; consider changing to 'let' constant
  var locking = makeLocking()
  ~~~ ^
  let
/host/spi-builder-workspace/Sources/Zip3Futures.swift:42:7: warning: variable 'locking' was never mutated; consider changing to 'let' constant
  var locking = makeLocking()
  ~~~ ^
  let
[5/18] Compiling AsyncNinja Zip3Futures.swift
/host/spi-builder-workspace/Sources/Zip2Futures.swift:41:7: warning: variable 'locking' was never mutated; consider changing to 'let' constant
  var locking = makeLocking()
  ~~~ ^
  let
/host/spi-builder-workspace/Sources/Zip3Futures.swift:42:7: warning: variable 'locking' was never mutated; consider changing to 'let' constant
  var locking = makeLocking()
  ~~~ ^
  let
[6/18] Compiling AsyncNinja TryExecute.swift
/host/spi-builder-workspace/Sources/Util.swift:53:34: error: cannot find type 'DateFormatter' in scope
  static let debugDateFormatter: DateFormatter = { () -> DateFormatter in
                                 ^~~~~~~~~~~~~
[7/18] Compiling AsyncNinja Util.swift
/host/spi-builder-workspace/Sources/Util.swift:53:34: error: cannot find type 'DateFormatter' in scope
  static let debugDateFormatter: DateFormatter = { () -> DateFormatter in
                                 ^~~~~~~~~~~~~
[8/20] Compiling AsyncNinja appleOS_ExecutionContext.swift
[9/20] Compiling AsyncNinja appleOS_Notifications.swift
[10/20] Compiling AsyncNinja EventSource_Combine.swift
/host/spi-builder-workspace/Sources/EventSource_Combine.swift:54:9: warning: variable 'locking' was never mutated; consider changing to 'let' constant
    var locking = makeLocking(isFair: true)
    ~~~ ^
    let
[11/20] Compiling AsyncNinja EventSource_Debounce.swift
/host/spi-builder-workspace/Sources/EventSource_Combine.swift:54:9: warning: variable 'locking' was never mutated; consider changing to 'let' constant
    var locking = makeLocking(isFair: true)
    ~~~ ^
    let
[12/26] Compiling AsyncNinja Fallible.swift
[13/29] Compiling AsyncNinja DynamicProperty.swift
[14/29] Compiling AsyncNinja Either.swift
[15/29] Compiling AsyncNinja Debug.swift
/host/spi-builder-workspace/Sources/Util.swift:53:34: error: cannot find type 'DateFormatter' in scope
  static let debugDateFormatter: DateFormatter = { () -> DateFormatter in
                                 ^~~~~~~~~~~~~
[16/29] Compiling AsyncNinja Dispatch_Extensions.swift
/host/spi-builder-workspace/Sources/Util.swift:53:34: error: cannot find type 'DateFormatter' in scope
  static let debugDateFormatter: DateFormatter = { () -> DateFormatter in
                                 ^~~~~~~~~~~~~
error: emit-module command failed with exit code 1 (use -v to see invocation)
[17/29] Compiling AsyncNinja Completing_Transform.swift
[18/29] Compiling AsyncNinja ConstantFuture.swift
[19/29] Emitting module AsyncNinja
/host/spi-builder-workspace/Sources/Util.swift:53:34: error: cannot find type 'DateFormatter' in scope
  static let debugDateFormatter: DateFormatter = { () -> DateFormatter in
                                 ^~~~~~~~~~~~~
[20/38] Compiling AsyncNinja EventSource_Zip2.swift
[21/40] Compiling AsyncNinja ProducerProxy.swift
[22/40] Compiling AsyncNinja TimerChannel.swift
[23/41] Compiling AsyncNinja OptionalAdaptor.swift
[24/41] Compiling AsyncNinja Producer.swift
[25/41] Compiling AsyncNinja Future.swift
[26/41] Compiling AsyncNinja KeyProtocols.swift
[27/43] Compiling AsyncNinja EventSource_Transform.swift
/host/spi-builder-workspace/Sources/EventSource_Transform.swift:53:11: warning: variable 'locking' was never mutated; consider changing to 'let' constant
      var locking = makeLocking()
      ~~~ ^
      let
/host/spi-builder-workspace/Sources/EventSource_Transform.swift:341:9: warning: variable 'locking' was never mutated; consider changing to 'let' constant
    var locking = makeLocking(isFair: true)
    ~~~ ^
    let
/host/spi-builder-workspace/Sources/EventSource_Transform.swift:403:9: warning: variable 'locking' was never mutated; consider changing to 'let' constant
    var locking = makeLocking(isFair: true)
    ~~~ ^
    let
[28/43] Compiling AsyncNinja ExecutionContext.swift
/host/spi-builder-workspace/Sources/EventSource_Transform.swift:53:11: warning: variable 'locking' was never mutated; consider changing to 'let' constant
      var locking = makeLocking()
      ~~~ ^
      let
/host/spi-builder-workspace/Sources/EventSource_Transform.swift:341:9: warning: variable 'locking' was never mutated; consider changing to 'let' constant
    var locking = makeLocking(isFair: true)
    ~~~ ^
    let
/host/spi-builder-workspace/Sources/EventSource_Transform.swift:403:9: warning: variable 'locking' was never mutated; consider changing to 'let' constant
    var locking = makeLocking(isFair: true)
    ~~~ ^
    let
[29/44] Compiling AsyncNinja CachableValue.swift
[30/45] Compiling AsyncNinja MergeFutures.swift
[31/46] Compiling AsyncNinja BaseProducer.swift
[32/46] Compiling AsyncNinja Cache.swift
[33/46] Compiling AsyncNinja Channel.swift
[34/47] Compiling AsyncNinja EventSource_Sample.swift
[35/47] Compiling AsyncNinja EventSource_Scan.swift
[36/47] Compiling AsyncNinja EventSource_ToFuture.swift
[37/48] Compiling AsyncNinja Executor.swift
[38/49] Compiling AsyncNinja EventSource_Map.swift
/host/spi-builder-workspace/Sources/EventSource_Merge2.swift:39:7: warning: variable 'locking' was never mutated; consider changing to 'let' constant
  var locking = makeLocking()
  ~~~ ^
  let
[39/49] Compiling AsyncNinja EventSource_Merge2.swift
/host/spi-builder-workspace/Sources/EventSource_Merge2.swift:39:7: warning: variable 'locking' was never mutated; consider changing to 'let' constant
  var locking = makeLocking()
  ~~~ ^
  let
[40/49] Compiling AsyncNinja EventSource_Merge2Unrelated.swift
/host/spi-builder-workspace/Sources/EventSource_Merge2.swift:39:7: warning: variable 'locking' was never mutated; consider changing to 'let' constant
  var locking = makeLocking()
  ~~~ ^
  let
[41/50] Compiling AsyncNinja Sequence_AsyncFlatMap.swift
/host/spi-builder-workspace/Sources/Sequence_AsyncFlatMap.swift:87:9: warning: variable 'locking' was never mutated; consider changing to 'let' constant
    var locking = makeLocking()
    ~~~ ^
    let
[42/50] Compiling AsyncNinja Sequence_AsyncMap.swift
/host/spi-builder-workspace/Sources/Sequence_AsyncMap.swift:83:9: warning: variable 'locking' was never mutated; consider changing to 'let' constant
    var locking = makeLocking()
    ~~~ ^
    let
[43/51] Compiling AsyncNinja Completable_Implementation.swift
[44/51] Compiling AsyncNinja Sink.swift
[45/51] Compiling AsyncNinja Channel_makers.swift
[46/51] Compiling AsyncNinja EventSource_FlatMapFutures.swift
[47/51] Compiling AsyncNinja EventSource_Implementation.swift
[48/51] Compiling AsyncNinja Sequence_AsyncReduce.swift
[49/51] Compiling AsyncNinja Future_Makers.swift
[50/51] Compiling AsyncNinja Completing_Implementation.swift
/host/spi-builder-workspace/Sources/Completing_Implementation.swift:190:9: warning: variable 'handler' was written to, but never read
    var handler = makeCompletionHandler(executor: .immediate) { (completion, _) in
        ^
[51/51] Compiling AsyncNinja Promise.swift
error: fatalError
BUILD FAILURE 5.10 linux

Build Machine: Linux 2