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Build Information

Failed to build Futures with Swift 5.9 for macOS (SPM).

Build Command

Build command unavailable

Build Log

========================================
RunAll
========================================
Builder version: 4.27.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/dfunckt/swift-futures.git
Reference: master
Initialized empty Git repository in /Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.git/
From https://github.com/dfunckt/swift-futures
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 518a3fd Update for swiftformat 0.47.2
Cloned https://github.com/dfunckt/swift-futures.git
Revision (git rev-parse @):
518a3fddab9feb068391e10302d44181e3653979
SUCCESS checkout https://github.com/dfunckt/swift-futures.git at master
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
  "identity": ".resolve-product-dependencies",
  "name": "resolve-dependencies",
  "url": "/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.resolve-product-dependencies",
  "dependencies": [
    {
      "identity": "swift-futures",
      "name": "Futures",
      "url": "https://github.com/dfunckt/swift-futures.git",
      "version": "unspecified",
      "path": "/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-futures",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/dfunckt/swift-futures.git
[1/1569] Fetching swift-futures
Fetched https://github.com/dfunckt/swift-futures.git (0.50s)
Creating working copy for https://github.com/dfunckt/swift-futures.git
Working copy of https://github.com/dfunckt/swift-futures.git resolved at master
warning: '.resolve-product-dependencies': dependency 'swift-futures' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             5.9
Building package at path:  $PWD/checkout
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.0.0.app xcrun swift build --arch arm64
Building for debugging...
[0/1] Compiling FuturesPrivate Private.c
[2/23] Compiling FuturesSync AtomicMPMCQueue.swift
[3/23] Compiling FuturesSync AtomicMPSCQueue.swift
[4/23] Compiling FuturesSync AtomicSPMCQueue.swift
[5/23] Compiling FuturesSync AtomicQueue.swift
[6/23] Compiling FuturesSync AtomicBuffer.swift
[7/23] Compiling FuturesSync AtomicList.swift
[8/26] Compiling FuturesSync AtomicSPSCQueue.swift
[9/26] Compiling FuturesSync AtomicUnboundedMPSCQueue.swift
[10/26] Compiling FuturesSync AtomicUnboundedSPSCQueue.swift
[11/26] Compiling FuturesSync Backoff.swift
[12/26] Compiling FuturesSync Locking.swift
[13/26] Compiling FuturesSync PosixConditionLock.swift
[14/26] Compiling FuturesSync Atomic.swift
[15/26] Compiling FuturesSync AtomicBitset.swift
[16/26] Compiling FuturesSync AtomicEnum.swift
[17/26] Compiling FuturesSync PosixLock.swift
[18/26] Compiling FuturesSync SpinLock.swift
[19/26] Compiling FuturesSync UnfairLock.swift
[20/26] Compiling FuturesSync AtomicPointer.swift
[21/26] Compiling FuturesSync AtomicReference.swift
[22/26] Compiling FuturesSync AtomicValue.swift
[23/26] Emitting module FuturesSync
[24/26] Compiling FuturesSync Mutex.swift
[25/26] Compiling FuturesSync Private.swift
[26/26] Compiling FuturesSync Thread.swift
[27/153] Compiling Futures OptionalStream.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:27: warning: will never be executed
            $0.mapError { $0 as! Failure }
                          ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:25: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
            $0.mapError { $0 as! Failure }
                        ^
[28/153] Compiling Futures OutputStream.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:27: warning: will never be executed
            $0.mapError { $0 as! Failure }
                          ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:25: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
            $0.mapError { $0 as! Failure }
                        ^
[29/153] Compiling Futures PollOnStream.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:27: warning: will never be executed
            $0.mapError { $0 as! Failure }
                          ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:25: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
            $0.mapError { $0 as! Failure }
                        ^
[30/153] Compiling Futures PrefixStream.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:27: warning: will never be executed
            $0.mapError { $0 as! Failure }
                          ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:25: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
            $0.mapError { $0 as! Failure }
                        ^
[31/153] Compiling Futures PrefixUntilOutputStream.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:27: warning: will never be executed
            $0.mapError { $0 as! Failure }
                          ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:25: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
            $0.mapError { $0 as! Failure }
                        ^
[32/153] Compiling Futures PrefixWhileStream.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:27: warning: will never be executed
            $0.mapError { $0 as! Failure }
                          ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:25: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
            $0.mapError { $0 as! Failure }
                        ^
[33/153] Compiling Futures PrintStream.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:27: warning: will never be executed
            $0.mapError { $0 as! Failure }
                          ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:25: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
            $0.mapError { $0 as! Failure }
                        ^
[34/153] Compiling Futures ReferenceStream.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:27: warning: will never be executed
            $0.mapError { $0 as! Failure }
                          ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:25: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
            $0.mapError { $0 as! Failure }
                        ^
[35/153] Compiling Futures RemoveDuplicatesStream.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:27: warning: will never be executed
            $0.mapError { $0 as! Failure }
                          ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:25: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
            $0.mapError { $0 as! Failure }
                        ^
[36/153] Compiling Futures RepeatStream.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:27: warning: will never be executed
            $0.mapError { $0 as! Failure }
                          ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:25: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
            $0.mapError { $0 as! Failure }
                        ^
[37/153] Compiling Futures ReplaceEmptyStream.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:27: warning: will never be executed
            $0.mapError { $0 as! Failure }
                          ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:25: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
            $0.mapError { $0 as! Failure }
                        ^
[38/153] Compiling Futures ReplaceErrorStream.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:27: warning: will never be executed
            $0.mapError { $0 as! Failure }
                          ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:25: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
            $0.mapError { $0 as! Failure }
                        ^
[39/153] Compiling Futures ScanStream.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:27: warning: will never be executed
            $0.mapError { $0 as! Failure }
                          ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:25: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
            $0.mapError { $0 as! Failure }
                        ^
[40/153] Compiling Futures SequenceStream.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:27: warning: will never be executed
            $0.mapError { $0 as! Failure }
                          ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:25: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
            $0.mapError { $0 as! Failure }
                        ^
[41/153] Compiling Futures SetFailureTypeStream.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:27: warning: will never be executed
            $0.mapError { $0 as! Failure }
                          ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:25: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
            $0.mapError { $0 as! Failure }
                        ^
[42/153] Compiling Futures ShareStream.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:27: warning: will never be executed
            $0.mapError { $0 as! Failure }
                          ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:25: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
            $0.mapError { $0 as! Failure }
                        ^
[43/153] Compiling Futures StreamAllSatisfyFuture.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:27: warning: will never be executed
            $0.mapError { $0 as! Failure }
                          ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:25: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
            $0.mapError { $0 as! Failure }
                        ^
[44/153] Compiling Futures StreamContainsFuture.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:27: warning: will never be executed
            $0.mapError { $0 as! Failure }
                          ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:25: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
            $0.mapError { $0 as! Failure }
                        ^
[45/153] Compiling Futures MatchOptionalFuture.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/SetFailureTypeFuture.swift:35:27: warning: will never be executed
            $0.mapError { $0 as! Failure }
                          ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/SetFailureTypeFuture.swift:35:25: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
            $0.mapError { $0 as! Failure }
                        ^
[46/153] Compiling Futures MatchResultFuture.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/SetFailureTypeFuture.swift:35:27: warning: will never be executed
            $0.mapError { $0 as! Failure }
                          ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/SetFailureTypeFuture.swift:35:25: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
            $0.mapError { $0 as! Failure }
                        ^
[47/153] Compiling Futures NeverFuture.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/SetFailureTypeFuture.swift:35:27: warning: will never be executed
            $0.mapError { $0 as! Failure }
                          ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/SetFailureTypeFuture.swift:35:25: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
            $0.mapError { $0 as! Failure }
                        ^
[48/153] Compiling Futures PeekFuture.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/SetFailureTypeFuture.swift:35:27: warning: will never be executed
            $0.mapError { $0 as! Failure }
                          ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/SetFailureTypeFuture.swift:35:25: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
            $0.mapError { $0 as! Failure }
                        ^
[49/153] Compiling Futures PollOnFuture.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/SetFailureTypeFuture.swift:35:27: warning: will never be executed
            $0.mapError { $0 as! Failure }
                          ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/SetFailureTypeFuture.swift:35:25: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
            $0.mapError { $0 as! Failure }
                        ^
[50/153] Compiling Futures PrintFuture.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/SetFailureTypeFuture.swift:35:27: warning: will never be executed
            $0.mapError { $0 as! Failure }
                          ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/SetFailureTypeFuture.swift:35:25: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
            $0.mapError { $0 as! Failure }
                        ^
[51/153] Compiling Futures ReadyFuture.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/SetFailureTypeFuture.swift:35:27: warning: will never be executed
            $0.mapError { $0 as! Failure }
                          ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/SetFailureTypeFuture.swift:35:25: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
            $0.mapError { $0 as! Failure }
                        ^
[52/153] Compiling Futures ReferenceFuture.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/SetFailureTypeFuture.swift:35:27: warning: will never be executed
            $0.mapError { $0 as! Failure }
                          ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/SetFailureTypeFuture.swift:35:25: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
            $0.mapError { $0 as! Failure }
                        ^
[53/153] Compiling Futures ReplaceErrorFuture.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/SetFailureTypeFuture.swift:35:27: warning: will never be executed
            $0.mapError { $0 as! Failure }
                          ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/SetFailureTypeFuture.swift:35:25: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
            $0.mapError { $0 as! Failure }
                        ^
[54/153] Compiling Futures ReplaceOutputFuture.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/SetFailureTypeFuture.swift:35:27: warning: will never be executed
            $0.mapError { $0 as! Failure }
                          ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/SetFailureTypeFuture.swift:35:25: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
            $0.mapError { $0 as! Failure }
                        ^
[55/153] Compiling Futures SelectAnyFuture.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/SetFailureTypeFuture.swift:35:27: warning: will never be executed
            $0.mapError { $0 as! Failure }
                          ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/SetFailureTypeFuture.swift:35:25: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
            $0.mapError { $0 as! Failure }
                        ^
[56/153] Compiling Futures SelectFuture.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/SetFailureTypeFuture.swift:35:27: warning: will never be executed
            $0.mapError { $0 as! Failure }
                          ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/SetFailureTypeFuture.swift:35:25: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
            $0.mapError { $0 as! Failure }
                        ^
[57/153] Compiling Futures SetFailureTypeFuture.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/SetFailureTypeFuture.swift:35:27: warning: will never be executed
            $0.mapError { $0 as! Failure }
                          ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/SetFailureTypeFuture.swift:35:25: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
            $0.mapError { $0 as! Failure }
                        ^
[58/153] Compiling Futures ThenFuture.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/SetFailureTypeFuture.swift:35:27: warning: will never be executed
            $0.mapError { $0 as! Failure }
                          ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/SetFailureTypeFuture.swift:35:25: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
            $0.mapError { $0 as! Failure }
                        ^
[59/153] Compiling Futures TryLazyFuture.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/SetFailureTypeFuture.swift:35:27: warning: will never be executed
            $0.mapError { $0 as! Failure }
                          ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/SetFailureTypeFuture.swift:35:25: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
            $0.mapError { $0 as! Failure }
                        ^
[60/153] Compiling Futures TryMapFuture.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/SetFailureTypeFuture.swift:35:27: warning: will never be executed
            $0.mapError { $0 as! Failure }
                          ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/SetFailureTypeFuture.swift:35:25: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
            $0.mapError { $0 as! Failure }
                        ^
[61/153] Compiling Futures AdaptiveQueue.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/SetFailureTypeFuture.swift:35:27: warning: will never be executed
            $0.mapError { $0 as! Failure }
                          ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/SetFailureTypeFuture.swift:35:25: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
            $0.mapError { $0 as! Failure }
                        ^
[62/153] Compiling Futures CircularBuffer.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/SetFailureTypeFuture.swift:35:27: warning: will never be executed
            $0.mapError { $0 as! Failure }
                          ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/SetFailureTypeFuture.swift:35:25: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
            $0.mapError { $0 as! Failure }
                        ^
[63/171] Compiling Futures SinkSendFuture.swift
[64/171] Compiling Futures Stream.swift
[65/171] Compiling Futures AbortStream.swift
[66/171] Compiling Futures AssertNoErrorStream.swift
[67/171] Compiling Futures BreakpointStream.swift
[68/171] Compiling Futures BufferStream.swift
[69/171] Compiling Futures CatchErrorStream.swift
[70/171] Compiling Futures CompactMapStream.swift
[71/171] Compiling Futures CompleteOnErrorStream.swift
[72/171] Compiling Futures ConcatenateStream.swift
[73/171] Compiling Futures DropStream.swift
[74/171] Compiling Futures DropUntilOutputStream.swift
[75/171] Compiling Futures DropWhileStream.swift
[76/171] Compiling Futures EmptyStream.swift
[77/171] Compiling Futures EnumerateStream.swift
[78/171] Compiling Futures FilterStream.swift
[79/171] Compiling Futures FlatMapStream.swift
[80/171] Compiling Futures FlattenResultStream.swift
[81/171] Compiling Futures Private.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:25:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:24:56: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollSend(&context, item).mapError {
                                                       ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:32:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:31:51: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollFlush(&context).mapError {
                                                  ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:39:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:38:51: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollClose(&context).mapError {
                                                  ^
[82/171] Compiling Futures TaskRunner.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:25:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:24:56: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollSend(&context, item).mapError {
                                                       ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:32:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:31:51: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollFlush(&context).mapError {
                                                  ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:39:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:38:51: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollClose(&context).mapError {
                                                  ^
[83/171] Compiling Futures TaskScheduler.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:25:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:24:56: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollSend(&context, item).mapError {
                                                       ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:32:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:31:51: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollFlush(&context).mapError {
                                                  ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:39:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:38:51: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollClose(&context).mapError {
                                                  ^
[84/171] Compiling Futures Poll.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:25:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:24:56: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollSend(&context, item).mapError {
                                                       ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:32:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:31:51: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollFlush(&context).mapError {
                                                  ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:39:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:38:51: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollClose(&context).mapError {
                                                  ^
[85/171] Compiling Futures Promise.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:25:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:24:56: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollSend(&context, item).mapError {
                                                       ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:32:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:31:51: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollFlush(&context).mapError {
                                                  ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:39:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:38:51: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollClose(&context).mapError {
                                                  ^
[86/171] Compiling Futures Result.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:25:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:24:56: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollSend(&context, item).mapError {
                                                       ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:32:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:31:51: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollFlush(&context).mapError {
                                                  ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:39:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:38:51: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollClose(&context).mapError {
                                                  ^
[87/171] Compiling Futures Sink.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:25:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:24:56: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollSend(&context, item).mapError {
                                                       ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:32:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:31:51: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollFlush(&context).mapError {
                                                  ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:39:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:38:51: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollClose(&context).mapError {
                                                  ^
[88/171] Compiling Futures AssertNoErrorSink.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:25:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:24:56: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollSend(&context, item).mapError {
                                                       ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:32:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:31:51: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollFlush(&context).mapError {
                                                  ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:39:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:38:51: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollClose(&context).mapError {
                                                  ^
[89/171] Compiling Futures BlockingSink.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:25:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:24:56: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollSend(&context, item).mapError {
                                                       ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:32:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:31:51: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollFlush(&context).mapError {
                                                  ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:39:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:38:51: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollClose(&context).mapError {
                                                  ^
[90/171] Compiling Futures BufferSink.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:25:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:24:56: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollSend(&context, item).mapError {
                                                       ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:32:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:31:51: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollFlush(&context).mapError {
                                                  ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:39:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:38:51: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollClose(&context).mapError {
                                                  ^
[91/171] Compiling Futures CollectSink.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:25:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:24:56: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollSend(&context, item).mapError {
                                                       ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:32:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:31:51: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollFlush(&context).mapError {
                                                  ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:39:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:38:51: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollClose(&context).mapError {
                                                  ^
[92/171] Compiling Futures FlatMapInputSink.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:25:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:24:56: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollSend(&context, item).mapError {
                                                       ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:32:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:31:51: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollFlush(&context).mapError {
                                                  ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:39:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:38:51: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollClose(&context).mapError {
                                                  ^
[93/171] Compiling Futures MapErrorSink.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:25:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:24:56: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollSend(&context, item).mapError {
                                                       ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:32:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:31:51: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollFlush(&context).mapError {
                                                  ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:39:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:38:51: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollClose(&context).mapError {
                                                  ^
[94/171] Compiling Futures MapInputSink.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:25:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:24:56: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollSend(&context, item).mapError {
                                                       ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:32:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:31:51: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollFlush(&context).mapError {
                                                  ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:39:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:38:51: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollClose(&context).mapError {
                                                  ^
[95/171] Compiling Futures SetFailureTypeSink.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:25:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:24:56: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollSend(&context, item).mapError {
                                                       ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:32:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:31:51: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollFlush(&context).mapError {
                                                  ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:39:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:38:51: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollClose(&context).mapError {
                                                  ^
[96/171] Compiling Futures SinkCloseFuture.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:25:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:24:56: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollSend(&context, item).mapError {
                                                       ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:32:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:31:51: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollFlush(&context).mapError {
                                                  ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:39:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:38:51: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollClose(&context).mapError {
                                                  ^
[97/171] Compiling Futures SinkFlushFuture.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:25:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:24:56: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollSend(&context, item).mapError {
                                                       ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:32:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:31:51: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollFlush(&context).mapError {
                                                  ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:39:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:38:51: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollClose(&context).mapError {
                                                  ^
[98/171] Compiling Futures SinkSendAllFuture.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:25:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:24:56: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollSend(&context, item).mapError {
                                                       ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:32:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:31:51: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollFlush(&context).mapError {
                                                  ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:39:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:38:51: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollClose(&context).mapError {
                                                  ^
error: emit-module command failed with exit code 1 (use -v to see invocation)
[99/171] Compiling Futures Cancellable.swift
[100/171] Compiling Futures Channel.swift
[101/171] Compiling Futures ChannelImpl.swift
[102/171] Compiling Futures ChannelMPSCBufferBounded.swift
[103/171] Compiling Futures ChannelMPSCBufferUnbounded.swift
[104/171] Compiling Futures ChannelMPSCPark.swift
[105/171] Compiling Futures ChannelSPSCBufferBounded.swift
[106/171] Compiling Futures ChannelSPSCBufferUnbounded.swift
[107/171] Compiling Futures ChannelSPSCPark.swift
[108/171] Compiling Futures ChannelSlotBounded.swift
[109/171] Compiling Futures ChannelSlotUnbounded.swift
[110/171] Compiling Futures Context.swift
[111/171] Compiling Futures Either.swift
[112/171] Compiling Futures Executor.swift
[113/171] Compiling Futures QueueExecutor.swift
[114/171] Compiling Futures RunLoopExecutor.swift
[115/171] Compiling Futures ThreadExecutor.swift
[116/171] Compiling Futures Extensions.swift
[117/171] Emitting module Futures
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/FlattenFuture.swift:17:20: error: cannot convert value of type 'Base.Output.FutureType' to closure result type 'Base.Output'
                $0.makeFuture()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/FlattenStream.swift:17:20: error: cannot convert value of type 'Base.Output.StreamType' to closure result type 'Base.Output'
                $0.makeStream()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
[118/171] Compiling Futures FlattenStream.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/FlattenStream.swift:17:20: error: cannot convert value of type 'Base.Output.StreamType' to closure result type 'Base.Output'
                $0.makeStream()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
[119/171] Compiling Futures ForEachStream.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/FlattenStream.swift:17:20: error: cannot convert value of type 'Base.Output.StreamType' to closure result type 'Base.Output'
                $0.makeStream()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
[120/171] Compiling Futures GenerateStream.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/FlattenStream.swift:17:20: error: cannot convert value of type 'Base.Output.StreamType' to closure result type 'Base.Output'
                $0.makeStream()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
[121/171] Compiling Futures HandleEventsStream.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/FlattenStream.swift:17:20: error: cannot convert value of type 'Base.Output.StreamType' to closure result type 'Base.Output'
                $0.makeStream()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
[122/171] Compiling Futures JoinStream.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/FlattenStream.swift:17:20: error: cannot convert value of type 'Base.Output.StreamType' to closure result type 'Base.Output'
                $0.makeStream()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
[123/171] Compiling Futures JustStream.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/FlattenStream.swift:17:20: error: cannot convert value of type 'Base.Output.StreamType' to closure result type 'Base.Output'
                $0.makeStream()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
[124/171] Compiling Futures LatestStream.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/FlattenStream.swift:17:20: error: cannot convert value of type 'Base.Output.StreamType' to closure result type 'Base.Output'
                $0.makeStream()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
[125/171] Compiling Futures LazyStream.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/FlattenStream.swift:17:20: error: cannot convert value of type 'Base.Output.StreamType' to closure result type 'Base.Output'
                $0.makeStream()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
[126/171] Compiling Futures MapKeyPathStream.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/FlattenStream.swift:17:20: error: cannot convert value of type 'Base.Output.StreamType' to closure result type 'Base.Output'
                $0.makeStream()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
[127/171] Compiling Futures MapResultStream.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/FlattenStream.swift:17:20: error: cannot convert value of type 'Base.Output.StreamType' to closure result type 'Base.Output'
                $0.makeStream()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
[128/171] Compiling Futures MapStream.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/FlattenStream.swift:17:20: error: cannot convert value of type 'Base.Output.StreamType' to closure result type 'Base.Output'
                $0.makeStream()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
[129/171] Compiling Futures MatchEitherStream.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/FlattenStream.swift:17:20: error: cannot convert value of type 'Base.Output.StreamType' to closure result type 'Base.Output'
                $0.makeStream()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
[130/171] Compiling Futures MatchOptionalStream.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/FlattenStream.swift:17:20: error: cannot convert value of type 'Base.Output.StreamType' to closure result type 'Base.Output'
                $0.makeStream()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
[131/171] Compiling Futures MatchResultStream.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/FlattenStream.swift:17:20: error: cannot convert value of type 'Base.Output.StreamType' to closure result type 'Base.Output'
                $0.makeStream()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
[132/171] Compiling Futures MergeAllStream.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/FlattenStream.swift:17:20: error: cannot convert value of type 'Base.Output.StreamType' to closure result type 'Base.Output'
                $0.makeStream()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
[133/171] Compiling Futures MergeStream.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/FlattenStream.swift:17:20: error: cannot convert value of type 'Base.Output.StreamType' to closure result type 'Base.Output'
                $0.makeStream()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
[134/171] Compiling Futures MulticastStream.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/FlattenStream.swift:17:20: error: cannot convert value of type 'Base.Output.StreamType' to closure result type 'Base.Output'
                $0.makeStream()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
[135/171] Compiling Futures NeverStream.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/FlattenStream.swift:17:20: error: cannot convert value of type 'Base.Output.StreamType' to closure result type 'Base.Output'
                $0.makeStream()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
[136/171] Compiling Futures Future.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/FlattenFuture.swift:17:20: error: cannot convert value of type 'Base.Output.FutureType' to closure result type 'Base.Output'
                $0.makeFuture()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
[137/171] Compiling Futures AbortFuture.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/FlattenFuture.swift:17:20: error: cannot convert value of type 'Base.Output.FutureType' to closure result type 'Base.Output'
                $0.makeFuture()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
[138/171] Compiling Futures AssertNoErrorFuture.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/FlattenFuture.swift:17:20: error: cannot convert value of type 'Base.Output.FutureType' to closure result type 'Base.Output'
                $0.makeFuture()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
[139/171] Compiling Futures BreakpointFuture.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/FlattenFuture.swift:17:20: error: cannot convert value of type 'Base.Output.FutureType' to closure result type 'Base.Output'
                $0.makeFuture()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
[140/171] Compiling Futures CatchErrorFuture.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/FlattenFuture.swift:17:20: error: cannot convert value of type 'Base.Output.FutureType' to closure result type 'Base.Output'
                $0.makeFuture()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
[141/171] Compiling Futures FlatMapFuture.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/FlattenFuture.swift:17:20: error: cannot convert value of type 'Base.Output.FutureType' to closure result type 'Base.Output'
                $0.makeFuture()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
[142/171] Compiling Futures FlattenFuture.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/FlattenFuture.swift:17:20: error: cannot convert value of type 'Base.Output.FutureType' to closure result type 'Base.Output'
                $0.makeFuture()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
[143/171] Compiling Futures FlattenResultFuture.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/FlattenFuture.swift:17:20: error: cannot convert value of type 'Base.Output.FutureType' to closure result type 'Base.Output'
                $0.makeFuture()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
[144/171] Compiling Futures FutureStream.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/FlattenFuture.swift:17:20: error: cannot convert value of type 'Base.Output.FutureType' to closure result type 'Base.Output'
                $0.makeFuture()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
[145/171] Compiling Futures HandleEventsFuture.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/FlattenFuture.swift:17:20: error: cannot convert value of type 'Base.Output.FutureType' to closure result type 'Base.Output'
                $0.makeFuture()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
[146/171] Compiling Futures IgnoreOutputFuture.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/FlattenFuture.swift:17:20: error: cannot convert value of type 'Base.Output.FutureType' to closure result type 'Base.Output'
                $0.makeFuture()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
[147/171] Compiling Futures JoinAllFuture.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/FlattenFuture.swift:17:20: error: cannot convert value of type 'Base.Output.FutureType' to closure result type 'Base.Output'
                $0.makeFuture()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
[148/171] Compiling Futures JoinFuture.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/FlattenFuture.swift:17:20: error: cannot convert value of type 'Base.Output.FutureType' to closure result type 'Base.Output'
                $0.makeFuture()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
[149/171] Compiling Futures LazyFuture.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/FlattenFuture.swift:17:20: error: cannot convert value of type 'Base.Output.FutureType' to closure result type 'Base.Output'
                $0.makeFuture()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
[150/171] Compiling Futures MapFuture.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/FlattenFuture.swift:17:20: error: cannot convert value of type 'Base.Output.FutureType' to closure result type 'Base.Output'
                $0.makeFuture()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
[151/171] Compiling Futures MapKeyPathFuture.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/FlattenFuture.swift:17:20: error: cannot convert value of type 'Base.Output.FutureType' to closure result type 'Base.Output'
                $0.makeFuture()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
[152/171] Compiling Futures MapResultFuture.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/FlattenFuture.swift:17:20: error: cannot convert value of type 'Base.Output.FutureType' to closure result type 'Base.Output'
                $0.makeFuture()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
[153/171] Compiling Futures MatchEitherFuture.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/FlattenFuture.swift:17:20: error: cannot convert value of type 'Base.Output.FutureType' to closure result type 'Base.Output'
                $0.makeFuture()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
[154/171] Compiling Futures StreamContainsWhereFuture.swift
[155/171] Compiling Futures StreamFirstFuture.swift
[156/171] Compiling Futures StreamFirstWhereFuture.swift
[157/171] Compiling Futures StreamForwardFuture.swift
[158/171] Compiling Futures StreamFuture.swift
[159/171] Compiling Futures StreamIgnoreOutputFuture.swift
[160/171] Compiling Futures StreamLastFuture.swift
[161/171] Compiling Futures StreamLastWhereFuture.swift
[162/171] Compiling Futures StreamReduceFuture.swift
[163/171] Compiling Futures StreamReduceIntoFuture.swift
[164/171] Compiling Futures StreamReplayBuffer.swift
[165/171] Compiling Futures SwitchToLatestStream.swift
[166/171] Compiling Futures TryMapStream.swift
[167/171] Compiling Futures UnfoldStream.swift
[168/171] Compiling Futures YieldStream.swift
[169/171] Compiling Futures ZipStream.swift
[170/171] Compiling Futures Task.swift
[171/171] Compiling Futures Waker.swift
error: fatalError
[0/1] Planning build
Building for debugging...
[1/33] Compiling Futures LatestStream.swift
[2/33] Compiling Futures LazyStream.swift
[3/33] Compiling Futures MapKeyPathStream.swift
[4/33] Compiling Futures MapResultStream.swift
[5/37] Compiling Futures Future.swift
[6/37] Compiling Futures AbortFuture.swift
[7/37] Compiling Futures AssertNoErrorFuture.swift
[8/37] Compiling Futures BreakpointFuture.swift
[9/37] Compiling Futures CatchErrorFuture.swift
[10/44] Compiling Futures MapKeyPathFuture.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/FlattenStream.swift:17:20: error: cannot convert value of type 'Base.Output.StreamType' to closure result type 'Base.Output'
                $0.makeStream()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
[11/44] Compiling Futures MapResultFuture.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/FlattenStream.swift:17:20: error: cannot convert value of type 'Base.Output.StreamType' to closure result type 'Base.Output'
                $0.makeStream()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
[12/44] Compiling Futures MatchEitherFuture.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/FlattenStream.swift:17:20: error: cannot convert value of type 'Base.Output.StreamType' to closure result type 'Base.Output'
                $0.makeStream()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
[13/44] Compiling Futures FlattenStream.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/FlattenStream.swift:17:20: error: cannot convert value of type 'Base.Output.StreamType' to closure result type 'Base.Output'
                $0.makeStream()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
[14/44] Compiling Futures ForEachStream.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/FlattenStream.swift:17:20: error: cannot convert value of type 'Base.Output.StreamType' to closure result type 'Base.Output'
                $0.makeStream()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
[15/51] Compiling Futures CatchErrorStream.swift
[16/51] Compiling Futures CompactMapStream.swift
[17/51] Compiling Futures CompleteOnErrorStream.swift
[18/51] Compiling Futures ConcatenateStream.swift
[19/51] Compiling Futures DropStream.swift
[20/51] Compiling Futures DropUntilOutputStream.swift
[21/51] Compiling Futures DropWhileStream.swift
[22/58] Compiling Futures MergeAllStream.swift
[23/58] Compiling Futures MergeStream.swift
[24/58] Compiling Futures MulticastStream.swift
[25/58] Compiling Futures NeverStream.swift
[26/65] Compiling Futures Executor.swift
[27/65] Compiling Futures Extensions.swift
[28/65] Compiling Futures Stream.swift
[29/65] Compiling Futures AbortStream.swift
[30/65] Compiling Futures AssertNoErrorStream.swift
[31/65] Compiling Futures BreakpointStream.swift
[32/65] Compiling Futures BufferStream.swift
[33/72] Compiling Futures IgnoreOutputFuture.swift
[34/72] Compiling Futures JoinAllFuture.swift
[35/72] Compiling Futures JoinFuture.swift
[36/72] Compiling Futures LazyFuture.swift
[37/72] Compiling Futures MapFuture.swift
[38/78] Compiling Futures EmptyStream.swift
[39/78] Compiling Futures EnumerateStream.swift
[40/78] Compiling Futures FilterStream.swift
[41/78] Compiling Futures FlatMapStream.swift
[42/78] Compiling Futures FlattenResultStream.swift
[43/78] Compiling Futures OptionalStream.swift
[44/78] Compiling Futures OutputStream.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[45/84] Compiling Futures MapStream.swift
[46/84] Compiling Futures MatchEitherStream.swift
[47/84] Compiling Futures MatchOptionalStream.swift
[48/84] Compiling Futures MatchResultStream.swift
[49/84] Emitting module Futures
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/FlattenFuture.swift:17:20: error: cannot convert value of type 'Base.Output.FutureType' to closure result type 'Base.Output'
                $0.makeFuture()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/FlattenStream.swift:17:20: error: cannot convert value of type 'Base.Output.StreamType' to closure result type 'Base.Output'
                $0.makeStream()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
[50/84] Compiling Futures GenerateStream.swift
[51/84] Compiling Futures HandleEventsStream.swift
[52/84] Compiling Futures JoinStream.swift
[53/84] Compiling Futures JustStream.swift
[54/84] Compiling Futures FlatMapFuture.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/FlattenFuture.swift:17:20: error: cannot convert value of type 'Base.Output.FutureType' to closure result type 'Base.Output'
                $0.makeFuture()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
[55/84] Compiling Futures FlattenFuture.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/FlattenFuture.swift:17:20: error: cannot convert value of type 'Base.Output.FutureType' to closure result type 'Base.Output'
                $0.makeFuture()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
[56/84] Compiling Futures FlattenResultFuture.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/FlattenFuture.swift:17:20: error: cannot convert value of type 'Base.Output.FutureType' to closure result type 'Base.Output'
                $0.makeFuture()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
[57/84] Compiling Futures FutureStream.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/FlattenFuture.swift:17:20: error: cannot convert value of type 'Base.Output.FutureType' to closure result type 'Base.Output'
                $0.makeFuture()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
[58/84] Compiling Futures HandleEventsFuture.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/FlattenFuture.swift:17:20: error: cannot convert value of type 'Base.Output.FutureType' to closure result type 'Base.Output'
                $0.makeFuture()
                ~~~^~~~~~~~~~~~
                                as! Base.Output
[59/105] Compiling Futures PollOnStream.swift
[60/105] Compiling Futures PrefixStream.swift
[61/105] Compiling Futures PrefixUntilOutputStream.swift
[62/105] Compiling Futures PrefixWhileStream.swift
[63/105] Compiling Futures PrintStream.swift
[64/105] Compiling Futures ReferenceStream.swift
[65/105] Compiling Futures RemoveDuplicatesStream.swift
[66/110] Compiling Futures PollOnFuture.swift
[67/110] Compiling Futures PrintFuture.swift
[68/110] Compiling Futures ReadyFuture.swift
[69/110] Compiling Futures ReferenceFuture.swift
[70/110] Compiling Futures ReplaceErrorFuture.swift
[71/115] Compiling Futures StreamAllSatisfyFuture.swift
[72/115] Compiling Futures StreamContainsFuture.swift
[73/115] Compiling Futures StreamContainsWhereFuture.swift
[74/115] Compiling Futures StreamFirstFuture.swift
[75/115] Compiling Futures StreamFirstWhereFuture.swift
[76/115] Compiling Futures StreamForwardFuture.swift
[77/120] Compiling Futures StreamFuture.swift
[78/120] Compiling Futures StreamIgnoreOutputFuture.swift
[79/120] Compiling Futures StreamLastFuture.swift
[80/120] Compiling Futures StreamLastWhereFuture.swift
[81/120] Compiling Futures StreamReduceFuture.swift
[82/120] Compiling Futures StreamReduceIntoFuture.swift
[83/125] Compiling Futures RepeatStream.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:27: warning: will never be executed
            $0.mapError { $0 as! Failure }
                          ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:25: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
            $0.mapError { $0 as! Failure }
                        ^
[84/125] Compiling Futures ReplaceEmptyStream.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:27: warning: will never be executed
            $0.mapError { $0 as! Failure }
                          ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:25: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
            $0.mapError { $0 as! Failure }
                        ^
[85/125] Compiling Futures ReplaceErrorStream.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:27: warning: will never be executed
            $0.mapError { $0 as! Failure }
                          ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:25: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
            $0.mapError { $0 as! Failure }
                        ^
[86/125] Compiling Futures ScanStream.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:27: warning: will never be executed
            $0.mapError { $0 as! Failure }
                          ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:25: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
            $0.mapError { $0 as! Failure }
                        ^
[87/125] Compiling Futures SequenceStream.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:27: warning: will never be executed
            $0.mapError { $0 as! Failure }
                          ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:25: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
            $0.mapError { $0 as! Failure }
                        ^
[88/125] Compiling Futures SetFailureTypeStream.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:27: warning: will never be executed
            $0.mapError { $0 as! Failure }
                          ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:25: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
            $0.mapError { $0 as! Failure }
                        ^
[89/125] Compiling Futures ShareStream.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:27: warning: will never be executed
            $0.mapError { $0 as! Failure }
                          ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Stream/SetFailureTypeStream.swift:35:25: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
            $0.mapError { $0 as! Failure }
                        ^
[90/130] Compiling Futures ThreadExecutor.swift
[91/130] Compiling Futures MatchOptionalFuture.swift
[92/130] Compiling Futures MatchResultFuture.swift
[93/130] Compiling Futures NeverFuture.swift
[94/130] Compiling Futures PeekFuture.swift
[95/130] Compiling Futures ReplaceOutputFuture.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/SetFailureTypeFuture.swift:35:27: warning: will never be executed
            $0.mapError { $0 as! Failure }
                          ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/SetFailureTypeFuture.swift:35:25: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
            $0.mapError { $0 as! Failure }
                        ^
[96/130] Compiling Futures SelectAnyFuture.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/SetFailureTypeFuture.swift:35:27: warning: will never be executed
            $0.mapError { $0 as! Failure }
                          ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/SetFailureTypeFuture.swift:35:25: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
            $0.mapError { $0 as! Failure }
                        ^
[97/130] Compiling Futures SelectFuture.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/SetFailureTypeFuture.swift:35:27: warning: will never be executed
            $0.mapError { $0 as! Failure }
                          ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/SetFailureTypeFuture.swift:35:25: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
            $0.mapError { $0 as! Failure }
                        ^
[98/130] Compiling Futures SetFailureTypeFuture.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/SetFailureTypeFuture.swift:35:27: warning: will never be executed
            $0.mapError { $0 as! Failure }
                          ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/SetFailureTypeFuture.swift:35:25: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
            $0.mapError { $0 as! Failure }
                        ^
[99/130] Compiling Futures ThenFuture.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/SetFailureTypeFuture.swift:35:27: warning: will never be executed
            $0.mapError { $0 as! Failure }
                          ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Future/SetFailureTypeFuture.swift:35:25: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
            $0.mapError { $0 as! Failure }
                        ^
[100/130] Compiling Futures StreamReplayBuffer.swift
[101/130] Compiling Futures SwitchToLatestStream.swift
[102/130] Compiling Futures TryMapStream.swift
[103/130] Compiling Futures UnfoldStream.swift
[104/130] Compiling Futures YieldStream.swift
[105/130] Compiling Futures ZipStream.swift
[106/130] Compiling Futures ChannelImpl.swift
[107/130] Compiling Futures Context.swift
[108/130] Compiling Futures Either.swift
[109/130] Compiling Futures QueueExecutor.swift
[110/130] Compiling Futures RunLoopExecutor.swift
[111/130] Compiling Futures CollectSink.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:25:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:24:56: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollSend(&context, item).mapError {
                                                       ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:32:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:31:51: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollFlush(&context).mapError {
                                                  ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:39:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:38:51: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollClose(&context).mapError {
                                                  ^
[112/130] Compiling Futures FlatMapInputSink.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:25:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:24:56: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollSend(&context, item).mapError {
                                                       ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:32:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:31:51: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollFlush(&context).mapError {
                                                  ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:39:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:38:51: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollClose(&context).mapError {
                                                  ^
[113/130] Compiling Futures MapErrorSink.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:25:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:24:56: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollSend(&context, item).mapError {
                                                       ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:32:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:31:51: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollFlush(&context).mapError {
                                                  ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:39:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:38:51: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollClose(&context).mapError {
                                                  ^
[114/130] Compiling Futures MapInputSink.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:25:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:24:56: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollSend(&context, item).mapError {
                                                       ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:32:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:31:51: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollFlush(&context).mapError {
                                                  ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:39:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:38:51: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollClose(&context).mapError {
                                                  ^
[115/130] Compiling Futures SetFailureTypeSink.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:25:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:24:56: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollSend(&context, item).mapError {
                                                       ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:32:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:31:51: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollFlush(&context).mapError {
                                                  ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:39:13: warning: will never be executed
            .failure(.failure($0 as! Failure)) // swiftlint:disable:this force_cast
            ^
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Futures/Sink/SetFailureTypeSink.swift:38:51: note: '$0' is of type 'Never' which cannot be constructed because it is an enum with no cases
        return _base.pollClose(&context).mapError {
                                                  ^
[116/130] Compiling Futures TryLazyFuture.swift
[117/130] Compiling Futures TryMapFuture.swift
[118/130] Compiling Futures Private.swift
[119/130] Compiling Futures TaskRunner.swift
[120/130] Compiling Futures TaskScheduler.swift
[121/130] Compiling Futures Promise.swift
[122/130] Compiling Futures Result.swift
[123/130] Compiling Futures Sink.swift
[124/130] Compiling Futures BlockingSink.swift
[125/130] Compiling Futures BufferSink.swift
[126/130] Compiling Futures SinkCloseFuture.swift
[127/130] Compiling Futures SinkFlushFuture.swift
[128/130] Compiling Futures SinkSendAllFuture.swift
[129/130] Compiling Futures SinkSendFuture.swift
[130/130] Compiling Futures Task.swift
error: fatalError
BUILD FAILURE 5.9 macosSpm