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Build Information

Failed to build Prelude, reference 0.1.2 (5f0b12), with Swift 6.1 for Android on 28 May 2025 02:18:41 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:android-6.1-latest swift build --swift-sdk aarch64-unknown-linux-android24 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.63.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/pointfreeco/swift-prelude.git
Reference: 0.1.2
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: 	git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: 	git branch -m <name>
From https://github.com/pointfreeco/swift-prelude
 * tag               0.1.2      -> FETCH_HEAD
HEAD is now at 5f0b128 move add/mult precedence to 6 and 7 (#9)
Cloned https://github.com/pointfreeco/swift-prelude.git
Revision (git rev-parse @):
5f0b128bf620e162d574219d3d45b272f19c8423
SUCCESS checkout https://github.com/pointfreeco/swift-prelude.git at 0.1.2
========================================
Build
========================================
Selected platform:         android
Swift version:             6.1
Building package at path:  $PWD
https://github.com/pointfreeco/swift-prelude.git
https://github.com/pointfreeco/swift-prelude.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Prelude",
  "name" : "Prelude",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Prelude",
      "targets" : [
        "Prelude"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "PreludeTests",
      "module_type" : "SwiftTarget",
      "name" : "PreludeTests",
      "path" : "Tests/PreludeTests",
      "sources" : [
        "ArrayTests.swift",
        "ChoiceTests.swift",
        "EitherTests.swift",
        "FunctionTests.swift",
        "KeyPathTests.swift",
        "MonoidTests.swift",
        "OptionalTests.swift",
        "SemigroupTests.swift",
        "SequenceTests.swift",
        "StringTests.swift",
        "StrongTests.swift",
        "TupleTests.swift",
        "UnitTests.swift"
      ],
      "target_dependencies" : [
        "Prelude"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Prelude",
      "module_type" : "SwiftTarget",
      "name" : "Prelude",
      "path" : "Sources/Prelude",
      "product_memberships" : [
        "Prelude"
      ],
      "sources" : [
        "Array.swift",
        "Choice.swift",
        "Either.swift",
        "Function.swift",
        "KeyPath.swift",
        "Monoid.swift",
        "Operators.swift",
        "Optional.swift",
        "PrecedenceGroups.swift",
        "Semigroup.swift",
        "Sequence.swift",
        "String.swift",
        "Strong.swift",
        "Tuple.swift",
        "Unit.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.0"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:android-6.1-latest swift build --swift-sdk aarch64-unknown-linux-android24 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures 2>&1
android-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:fe1962677657b2408c217cb5cceb3c09bc1d91486e360cebbc6eee461a5945d8
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:android-6.1-latest
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/17] Compiling Prelude Strong.swift
[4/17] Compiling Prelude Tuple.swift
[5/18] Compiling Prelude Unit.swift
/host/spi-builder-workspace/Sources/Prelude/Unit.swift:3:12: warning: let 'unit' is not concurrency-safe because non-'Sendable' type 'Unit' may have shared mutable state; this is an error in the Swift 6 language mode
1 | public struct Unit {}
  |               `- note: consider making struct 'Unit' conform to the 'Sendable' protocol
2 |
3 | public let unit = Unit()
  |            |- warning: let 'unit' is not concurrency-safe because non-'Sendable' type 'Unit' may have shared mutable state; this is an error in the Swift 6 language mode
  |            |- note: add '@MainActor' to make let 'unit' part of global actor 'MainActor'
  |            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
4 |
[6/18] Compiling Prelude Operators.swift
[7/18] Compiling Prelude Optional.swift
[8/18] Compiling Prelude Sequence.swift
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:33:83: error: 'SubSequence' is not a member type of type 'S'
 31 | }
 32 |
 33 | public func drop<S: Sequence>(while p: @escaping (S.Element) -> Bool) -> (S) -> S.SubSequence {
    |                                                                                   `- error: 'SubSequence' is not a member type of type 'S'
 34 |   return { xs in
 35 |     xs.drop(while: p)
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:39:50: error: 'SubSequence' is not a member type of type 'S'
 37 | }
 38 |
 39 | public func dropFirst<S: Sequence>(_ xs: S) -> S.SubSequence {
    |                                                  `- error: 'SubSequence' is not a member type of type 'S'
 40 |   return xs.dropFirst()
 41 | }
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:43:58: error: 'SubSequence' is not a member type of type 'S'
 41 | }
 42 |
 43 | public func dropFirst<S: Sequence>(_ n: Int) -> (S) -> S.SubSequence {
    |                                                          `- error: 'SubSequence' is not a member type of type 'S'
 44 |   return { xs in
 45 |     xs.dropFirst(n)
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:49:49: error: 'SubSequence' is not a member type of type 'S'
 47 | }
 48 |
 49 | public func dropLast<S: Sequence>(_ xs: S) -> S.SubSequence {
    |                                                 `- error: 'SubSequence' is not a member type of type 'S'
 50 |   return xs.dropLast()
 51 | }
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:53:57: error: 'SubSequence' is not a member type of type 'S'
 51 | }
 52 |
 53 | public func dropLast<S: Sequence>(_ n: Int) -> (S) -> S.SubSequence {
    |                                                         `- error: 'SubSequence' is not a member type of type 'S'
 54 |   return { xs in
 55 |     xs.dropLast(n)
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:83:55: error: 'SubSequence' is not a member type of type 'S'
 81 | }
 82 |
 83 | public func prefix<S: Sequence>(_ n: Int) -> (S) -> S.SubSequence {
    |                                                       `- error: 'SubSequence' is not a member type of type 'S'
 84 |   return { xs in
 85 |     xs.prefix(n)
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:89:85: error: 'SubSequence' is not a member type of type 'S'
 87 | }
 88 |
 89 | public func prefix<S: Sequence>(while p: @escaping (S.Element) -> Bool) -> (S) -> S.SubSequence {
    |                                                                                     `- error: 'SubSequence' is not a member type of type 'S'
 90 |   return { xs in
 91 |     xs.prefix(while: p)
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:103:55: error: 'SubSequence' is not a member type of type 'S'
101 | }
102 |
103 | public func suffix<S: Sequence>(_ n: Int) -> (S) -> S.SubSequence {
    |                                                       `- error: 'SubSequence' is not a member type of type 'S'
104 |   return { xs in
105 |     xs.suffix(n)
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:15:8: warning: 'flatMap' is deprecated: Please use compactMap(_:) for the case where closure returns an optional value
 13 | public func mapOptional<S: Sequence, A>(_ f: @escaping (S.Element) -> A?) -> (S) -> [A] {
 14 |   return { xs in
 15 |     xs.flatMap(f)
    |        |- warning: 'flatMap' is deprecated: Please use compactMap(_:) for the case where closure returns an optional value
    |        `- note: use 'compactMap(_:)' instead
 16 |   }
 17 | }
[9/18] Compiling Prelude String.swift
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:33:83: error: 'SubSequence' is not a member type of type 'S'
 31 | }
 32 |
 33 | public func drop<S: Sequence>(while p: @escaping (S.Element) -> Bool) -> (S) -> S.SubSequence {
    |                                                                                   `- error: 'SubSequence' is not a member type of type 'S'
 34 |   return { xs in
 35 |     xs.drop(while: p)
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:39:50: error: 'SubSequence' is not a member type of type 'S'
 37 | }
 38 |
 39 | public func dropFirst<S: Sequence>(_ xs: S) -> S.SubSequence {
    |                                                  `- error: 'SubSequence' is not a member type of type 'S'
 40 |   return xs.dropFirst()
 41 | }
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:43:58: error: 'SubSequence' is not a member type of type 'S'
 41 | }
 42 |
 43 | public func dropFirst<S: Sequence>(_ n: Int) -> (S) -> S.SubSequence {
    |                                                          `- error: 'SubSequence' is not a member type of type 'S'
 44 |   return { xs in
 45 |     xs.dropFirst(n)
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:49:49: error: 'SubSequence' is not a member type of type 'S'
 47 | }
 48 |
 49 | public func dropLast<S: Sequence>(_ xs: S) -> S.SubSequence {
    |                                                 `- error: 'SubSequence' is not a member type of type 'S'
 50 |   return xs.dropLast()
 51 | }
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:53:57: error: 'SubSequence' is not a member type of type 'S'
 51 | }
 52 |
 53 | public func dropLast<S: Sequence>(_ n: Int) -> (S) -> S.SubSequence {
    |                                                         `- error: 'SubSequence' is not a member type of type 'S'
 54 |   return { xs in
 55 |     xs.dropLast(n)
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:83:55: error: 'SubSequence' is not a member type of type 'S'
 81 | }
 82 |
 83 | public func prefix<S: Sequence>(_ n: Int) -> (S) -> S.SubSequence {
    |                                                       `- error: 'SubSequence' is not a member type of type 'S'
 84 |   return { xs in
 85 |     xs.prefix(n)
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:89:85: error: 'SubSequence' is not a member type of type 'S'
 87 | }
 88 |
 89 | public func prefix<S: Sequence>(while p: @escaping (S.Element) -> Bool) -> (S) -> S.SubSequence {
    |                                                                                     `- error: 'SubSequence' is not a member type of type 'S'
 90 |   return { xs in
 91 |     xs.prefix(while: p)
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:103:55: error: 'SubSequence' is not a member type of type 'S'
101 | }
102 |
103 | public func suffix<S: Sequence>(_ n: Int) -> (S) -> S.SubSequence {
    |                                                       `- error: 'SubSequence' is not a member type of type 'S'
104 |   return { xs in
105 |     xs.suffix(n)
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:15:8: warning: 'flatMap' is deprecated: Please use compactMap(_:) for the case where closure returns an optional value
 13 | public func mapOptional<S: Sequence, A>(_ f: @escaping (S.Element) -> A?) -> (S) -> [A] {
 14 |   return { xs in
 15 |     xs.flatMap(f)
    |        |- warning: 'flatMap' is deprecated: Please use compactMap(_:) for the case where closure returns an optional value
    |        `- note: use 'compactMap(_:)' instead
 16 |   }
 17 | }
error: emit-module command failed with exit code 1 (use -v to see invocation)
[10/18] Compiling Prelude Array.swift
[11/18] Compiling Prelude Choice.swift
[12/18] Compiling Prelude Either.swift
[13/18] Compiling Prelude Function.swift
[14/18] Compiling Prelude KeyPath.swift
[15/18] Compiling Prelude Monoid.swift
[16/18] Emitting module Prelude
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:33:83: error: 'SubSequence' is not a member type of type 'S'
 31 | }
 32 |
 33 | public func drop<S: Sequence>(while p: @escaping (S.Element) -> Bool) -> (S) -> S.SubSequence {
    |                                                                                   `- error: 'SubSequence' is not a member type of type 'S'
 34 |   return { xs in
 35 |     xs.drop(while: p)
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:39:50: error: 'SubSequence' is not a member type of type 'S'
 37 | }
 38 |
 39 | public func dropFirst<S: Sequence>(_ xs: S) -> S.SubSequence {
    |                                                  `- error: 'SubSequence' is not a member type of type 'S'
 40 |   return xs.dropFirst()
 41 | }
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:43:58: error: 'SubSequence' is not a member type of type 'S'
 41 | }
 42 |
 43 | public func dropFirst<S: Sequence>(_ n: Int) -> (S) -> S.SubSequence {
    |                                                          `- error: 'SubSequence' is not a member type of type 'S'
 44 |   return { xs in
 45 |     xs.dropFirst(n)
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:49:49: error: 'SubSequence' is not a member type of type 'S'
 47 | }
 48 |
 49 | public func dropLast<S: Sequence>(_ xs: S) -> S.SubSequence {
    |                                                 `- error: 'SubSequence' is not a member type of type 'S'
 50 |   return xs.dropLast()
 51 | }
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:53:57: error: 'SubSequence' is not a member type of type 'S'
 51 | }
 52 |
 53 | public func dropLast<S: Sequence>(_ n: Int) -> (S) -> S.SubSequence {
    |                                                         `- error: 'SubSequence' is not a member type of type 'S'
 54 |   return { xs in
 55 |     xs.dropLast(n)
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:83:55: error: 'SubSequence' is not a member type of type 'S'
 81 | }
 82 |
 83 | public func prefix<S: Sequence>(_ n: Int) -> (S) -> S.SubSequence {
    |                                                       `- error: 'SubSequence' is not a member type of type 'S'
 84 |   return { xs in
 85 |     xs.prefix(n)
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:89:85: error: 'SubSequence' is not a member type of type 'S'
 87 | }
 88 |
 89 | public func prefix<S: Sequence>(while p: @escaping (S.Element) -> Bool) -> (S) -> S.SubSequence {
    |                                                                                     `- error: 'SubSequence' is not a member type of type 'S'
 90 |   return { xs in
 91 |     xs.prefix(while: p)
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:103:55: error: 'SubSequence' is not a member type of type 'S'
101 | }
102 |
103 | public func suffix<S: Sequence>(_ n: Int) -> (S) -> S.SubSequence {
    |                                                       `- error: 'SubSequence' is not a member type of type 'S'
104 |   return { xs in
105 |     xs.suffix(n)
/host/spi-builder-workspace/Sources/Prelude/Unit.swift:3:12: warning: let 'unit' is not concurrency-safe because non-'Sendable' type 'Unit' may have shared mutable state; this is an error in the Swift 6 language mode
1 | public struct Unit {}
  |               `- note: consider making struct 'Unit' conform to the 'Sendable' protocol
2 |
3 | public let unit = Unit()
  |            |- warning: let 'unit' is not concurrency-safe because non-'Sendable' type 'Unit' may have shared mutable state; this is an error in the Swift 6 language mode
  |            |- note: add '@MainActor' to make let 'unit' part of global actor 'MainActor'
  |            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
4 |
[17/18] Compiling Prelude PrecedenceGroups.swift
[18/18] Compiling Prelude Semigroup.swift
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:android-6.1-latest swift build --swift-sdk aarch64-unknown-linux-android24 2>&1
android-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:fe1962677657b2408c217cb5cceb3c09bc1d91486e360cebbc6eee461a5945d8
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:android-6.1-latest
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
[2/16] Compiling Prelude Sequence.swift
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:33:83: error: 'SubSequence' is not a member type of type 'S'
 31 | }
 32 |
 33 | public func drop<S: Sequence>(while p: @escaping (S.Element) -> Bool) -> (S) -> S.SubSequence {
    |                                                                                   `- error: 'SubSequence' is not a member type of type 'S'
 34 |   return { xs in
 35 |     xs.drop(while: p)
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:39:50: error: 'SubSequence' is not a member type of type 'S'
 37 | }
 38 |
 39 | public func dropFirst<S: Sequence>(_ xs: S) -> S.SubSequence {
    |                                                  `- error: 'SubSequence' is not a member type of type 'S'
 40 |   return xs.dropFirst()
 41 | }
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:43:58: error: 'SubSequence' is not a member type of type 'S'
 41 | }
 42 |
 43 | public func dropFirst<S: Sequence>(_ n: Int) -> (S) -> S.SubSequence {
    |                                                          `- error: 'SubSequence' is not a member type of type 'S'
 44 |   return { xs in
 45 |     xs.dropFirst(n)
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:49:49: error: 'SubSequence' is not a member type of type 'S'
 47 | }
 48 |
 49 | public func dropLast<S: Sequence>(_ xs: S) -> S.SubSequence {
    |                                                 `- error: 'SubSequence' is not a member type of type 'S'
 50 |   return xs.dropLast()
 51 | }
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:53:57: error: 'SubSequence' is not a member type of type 'S'
 51 | }
 52 |
 53 | public func dropLast<S: Sequence>(_ n: Int) -> (S) -> S.SubSequence {
    |                                                         `- error: 'SubSequence' is not a member type of type 'S'
 54 |   return { xs in
 55 |     xs.dropLast(n)
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:83:55: error: 'SubSequence' is not a member type of type 'S'
 81 | }
 82 |
 83 | public func prefix<S: Sequence>(_ n: Int) -> (S) -> S.SubSequence {
    |                                                       `- error: 'SubSequence' is not a member type of type 'S'
 84 |   return { xs in
 85 |     xs.prefix(n)
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:89:85: error: 'SubSequence' is not a member type of type 'S'
 87 | }
 88 |
 89 | public func prefix<S: Sequence>(while p: @escaping (S.Element) -> Bool) -> (S) -> S.SubSequence {
    |                                                                                     `- error: 'SubSequence' is not a member type of type 'S'
 90 |   return { xs in
 91 |     xs.prefix(while: p)
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:103:55: error: 'SubSequence' is not a member type of type 'S'
101 | }
102 |
103 | public func suffix<S: Sequence>(_ n: Int) -> (S) -> S.SubSequence {
    |                                                       `- error: 'SubSequence' is not a member type of type 'S'
104 |   return { xs in
105 |     xs.suffix(n)
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:15:8: warning: 'flatMap' is deprecated: Please use compactMap(_:) for the case where closure returns an optional value
 13 | public func mapOptional<S: Sequence, A>(_ f: @escaping (S.Element) -> A?) -> (S) -> [A] {
 14 |   return { xs in
 15 |     xs.flatMap(f)
    |        |- warning: 'flatMap' is deprecated: Please use compactMap(_:) for the case where closure returns an optional value
    |        `- note: use 'compactMap(_:)' instead
 16 |   }
 17 | }
[3/16] Compiling Prelude String.swift
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:33:83: error: 'SubSequence' is not a member type of type 'S'
 31 | }
 32 |
 33 | public func drop<S: Sequence>(while p: @escaping (S.Element) -> Bool) -> (S) -> S.SubSequence {
    |                                                                                   `- error: 'SubSequence' is not a member type of type 'S'
 34 |   return { xs in
 35 |     xs.drop(while: p)
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:39:50: error: 'SubSequence' is not a member type of type 'S'
 37 | }
 38 |
 39 | public func dropFirst<S: Sequence>(_ xs: S) -> S.SubSequence {
    |                                                  `- error: 'SubSequence' is not a member type of type 'S'
 40 |   return xs.dropFirst()
 41 | }
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:43:58: error: 'SubSequence' is not a member type of type 'S'
 41 | }
 42 |
 43 | public func dropFirst<S: Sequence>(_ n: Int) -> (S) -> S.SubSequence {
    |                                                          `- error: 'SubSequence' is not a member type of type 'S'
 44 |   return { xs in
 45 |     xs.dropFirst(n)
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:49:49: error: 'SubSequence' is not a member type of type 'S'
 47 | }
 48 |
 49 | public func dropLast<S: Sequence>(_ xs: S) -> S.SubSequence {
    |                                                 `- error: 'SubSequence' is not a member type of type 'S'
 50 |   return xs.dropLast()
 51 | }
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:53:57: error: 'SubSequence' is not a member type of type 'S'
 51 | }
 52 |
 53 | public func dropLast<S: Sequence>(_ n: Int) -> (S) -> S.SubSequence {
    |                                                         `- error: 'SubSequence' is not a member type of type 'S'
 54 |   return { xs in
 55 |     xs.dropLast(n)
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:83:55: error: 'SubSequence' is not a member type of type 'S'
 81 | }
 82 |
 83 | public func prefix<S: Sequence>(_ n: Int) -> (S) -> S.SubSequence {
    |                                                       `- error: 'SubSequence' is not a member type of type 'S'
 84 |   return { xs in
 85 |     xs.prefix(n)
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:89:85: error: 'SubSequence' is not a member type of type 'S'
 87 | }
 88 |
 89 | public func prefix<S: Sequence>(while p: @escaping (S.Element) -> Bool) -> (S) -> S.SubSequence {
    |                                                                                     `- error: 'SubSequence' is not a member type of type 'S'
 90 |   return { xs in
 91 |     xs.prefix(while: p)
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:103:55: error: 'SubSequence' is not a member type of type 'S'
101 | }
102 |
103 | public func suffix<S: Sequence>(_ n: Int) -> (S) -> S.SubSequence {
    |                                                       `- error: 'SubSequence' is not a member type of type 'S'
104 |   return { xs in
105 |     xs.suffix(n)
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:15:8: warning: 'flatMap' is deprecated: Please use compactMap(_:) for the case where closure returns an optional value
 13 | public func mapOptional<S: Sequence, A>(_ f: @escaping (S.Element) -> A?) -> (S) -> [A] {
 14 |   return { xs in
 15 |     xs.flatMap(f)
    |        |- warning: 'flatMap' is deprecated: Please use compactMap(_:) for the case where closure returns an optional value
    |        `- note: use 'compactMap(_:)' instead
 16 |   }
 17 | }
[4/16] Compiling Prelude Strong.swift
[5/16] Compiling Prelude Tuple.swift
[6/17] Compiling Prelude PrecedenceGroups.swift
[7/17] Compiling Prelude Semigroup.swift
[8/17] Compiling Prelude Either.swift
[9/17] Compiling Prelude Function.swift
[10/17] Compiling Prelude Operators.swift
[11/17] Compiling Prelude Optional.swift
[12/17] Compiling Prelude KeyPath.swift
[13/17] Compiling Prelude Monoid.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[14/17] Compiling Prelude Array.swift
[15/17] Compiling Prelude Choice.swift
[16/17] Emitting module Prelude
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:33:83: error: 'SubSequence' is not a member type of type 'S'
 31 | }
 32 |
 33 | public func drop<S: Sequence>(while p: @escaping (S.Element) -> Bool) -> (S) -> S.SubSequence {
    |                                                                                   `- error: 'SubSequence' is not a member type of type 'S'
 34 |   return { xs in
 35 |     xs.drop(while: p)
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:39:50: error: 'SubSequence' is not a member type of type 'S'
 37 | }
 38 |
 39 | public func dropFirst<S: Sequence>(_ xs: S) -> S.SubSequence {
    |                                                  `- error: 'SubSequence' is not a member type of type 'S'
 40 |   return xs.dropFirst()
 41 | }
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:43:58: error: 'SubSequence' is not a member type of type 'S'
 41 | }
 42 |
 43 | public func dropFirst<S: Sequence>(_ n: Int) -> (S) -> S.SubSequence {
    |                                                          `- error: 'SubSequence' is not a member type of type 'S'
 44 |   return { xs in
 45 |     xs.dropFirst(n)
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:49:49: error: 'SubSequence' is not a member type of type 'S'
 47 | }
 48 |
 49 | public func dropLast<S: Sequence>(_ xs: S) -> S.SubSequence {
    |                                                 `- error: 'SubSequence' is not a member type of type 'S'
 50 |   return xs.dropLast()
 51 | }
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:53:57: error: 'SubSequence' is not a member type of type 'S'
 51 | }
 52 |
 53 | public func dropLast<S: Sequence>(_ n: Int) -> (S) -> S.SubSequence {
    |                                                         `- error: 'SubSequence' is not a member type of type 'S'
 54 |   return { xs in
 55 |     xs.dropLast(n)
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:83:55: error: 'SubSequence' is not a member type of type 'S'
 81 | }
 82 |
 83 | public func prefix<S: Sequence>(_ n: Int) -> (S) -> S.SubSequence {
    |                                                       `- error: 'SubSequence' is not a member type of type 'S'
 84 |   return { xs in
 85 |     xs.prefix(n)
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:89:85: error: 'SubSequence' is not a member type of type 'S'
 87 | }
 88 |
 89 | public func prefix<S: Sequence>(while p: @escaping (S.Element) -> Bool) -> (S) -> S.SubSequence {
    |                                                                                     `- error: 'SubSequence' is not a member type of type 'S'
 90 |   return { xs in
 91 |     xs.prefix(while: p)
/host/spi-builder-workspace/Sources/Prelude/Sequence.swift:103:55: error: 'SubSequence' is not a member type of type 'S'
101 | }
102 |
103 | public func suffix<S: Sequence>(_ n: Int) -> (S) -> S.SubSequence {
    |                                                       `- error: 'SubSequence' is not a member type of type 'S'
104 |   return { xs in
105 |     xs.suffix(n)
[17/17] Compiling Prelude Unit.swift
BUILD FAILURE 6.1 android