Swift Package Index

Build Information

Failed to build CombinePrintout 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/CombineCommunity/CombinePrintout.git
Reference: master
Initialized empty Git repository in /Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.git/
From https://github.com/CombineCommunity/CombinePrintout
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 721fd79 readme update
Cloned https://github.com/CombineCommunity/CombinePrintout.git
Revision (git rev-parse @):
721fd799f083c57ca59f8658d874c854b2f97348
SUCCESS checkout https://github.com/CombineCommunity/CombinePrintout.git at master
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
  "identity": ".resolve-product-dependencies",
  "name": "resolve-dependencies",
  "url": "/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.resolve-product-dependencies",
  "dependencies": [
    {
      "identity": "combineprintout",
      "name": "CombinePrintout",
      "url": "https://github.com/CombineCommunity/CombinePrintout.git",
      "version": "unspecified",
      "path": "/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/CombinePrintout",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/CombineCommunity/CombinePrintout.git
[1/30] Fetching combineprintout
Fetched https://github.com/CombineCommunity/CombinePrintout.git (0.25s)
Creating working copy for https://github.com/CombineCommunity/CombinePrintout.git
Working copy of https://github.com/CombineCommunity/CombinePrintout.git resolved at master
warning: '.resolve-product-dependencies': dependency 'combineprintout' 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...
error: emit-module command failed with exit code 1 (use -v to see invocation)
[1/2] Emitting module CombinePrintout
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:4:16: error: 'AnyCancellable' is only available in macOS 10.15 or newer
  let wrapped: AnyCancellable
               ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:3:7: note: add @available attribute to enclosing class
class PrintCancellable: Cancellable {
      ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:7:19: error: 'AnyCancellable' is only available in macOS 10.15 or newer
  init(_ wrapped: AnyCancellable, id: String? = nil) {
                  ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:7:3: note: add @available attribute to enclosing initializer
  init(_ wrapped: AnyCancellable, id: String? = nil) {
  ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:3:7: note: add @available attribute to enclosing class
class PrintCancellable: Cancellable {
      ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:27:54: error: 'AnyCancellable' is only available in macOS 10.15 or newer
  public func printCancellable(id: String? = nil) -> AnyCancellable {
                                                     ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:27:15: note: add @available attribute to enclosing instance method
  public func printCancellable(id: String? = nil) -> AnyCancellable {
              ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:23:1: note: add @available attribute to enclosing extension
extension Cancellable {
^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:23:11: error: 'Cancellable' is only available in macOS 10.15 or newer
extension Cancellable {
          ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:23:1: note: add @available attribute to enclosing extension
extension Cancellable {
^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:36:45: error: 'AnyCancellable' is only available in macOS 10.15 or newer
  public func printSink(id: String = "") -> AnyCancellable {
                                            ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:36:15: note: add @available attribute to enclosing instance method
  public func printSink(id: String = "") -> AnyCancellable {
              ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:32:1: note: add @available attribute to enclosing extension
extension Publisher {
^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:32:11: error: 'Publisher' is only available in macOS 10.15 or newer
extension Publisher {
          ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:32:1: note: add @available attribute to enclosing extension
extension Publisher {
^
[2/2] Compiling CombinePrintout CombinePrintout.swift
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:4:16: error: 'AnyCancellable' is only available in macOS 10.15 or newer
  let wrapped: AnyCancellable
               ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:3:7: note: add @available attribute to enclosing class
class PrintCancellable: Cancellable {
      ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:7:19: error: 'AnyCancellable' is only available in macOS 10.15 or newer
  init(_ wrapped: AnyCancellable, id: String? = nil) {
                  ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:7:3: note: add @available attribute to enclosing initializer
  init(_ wrapped: AnyCancellable, id: String? = nil) {
  ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:3:7: note: add @available attribute to enclosing class
class PrintCancellable: Cancellable {
      ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:27:54: error: 'AnyCancellable' is only available in macOS 10.15 or newer
  public func printCancellable(id: String? = nil) -> AnyCancellable {
                                                     ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:27:15: note: add @available attribute to enclosing instance method
  public func printCancellable(id: String? = nil) -> AnyCancellable {
              ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:23:1: note: add @available attribute to enclosing extension
extension Cancellable {
^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:23:11: error: 'Cancellable' is only available in macOS 10.15 or newer
extension Cancellable {
          ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:23:1: note: add @available attribute to enclosing extension
extension Cancellable {
^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:36:45: error: 'AnyCancellable' is only available in macOS 10.15 or newer
  public func printSink(id: String = "") -> AnyCancellable {
                                            ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:36:15: note: add @available attribute to enclosing instance method
  public func printSink(id: String = "") -> AnyCancellable {
              ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:32:1: note: add @available attribute to enclosing extension
extension Publisher {
^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:32:11: error: 'Publisher' is only available in macOS 10.15 or newer
extension Publisher {
          ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:32:1: note: add @available attribute to enclosing extension
extension Publisher {
^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:28:12: error: 'AnyCancellable' is only available in macOS 10.15 or newer
    return AnyCancellable(PrintCancellable(AnyCancellable(self), id: id))
           ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:28:12: note: add 'if #available' version check
    return AnyCancellable(PrintCancellable(AnyCancellable(self), id: id))
           ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:27:15: note: add @available attribute to enclosing instance method
  public func printCancellable(id: String? = nil) -> AnyCancellable {
              ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:23:1: note: add @available attribute to enclosing extension
extension Cancellable {
^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:28:44: error: 'AnyCancellable' is only available in macOS 10.15 or newer
    return AnyCancellable(PrintCancellable(AnyCancellable(self), id: id))
                                           ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:28:44: note: add 'if #available' version check
    return AnyCancellable(PrintCancellable(AnyCancellable(self), id: id))
                                           ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:27:15: note: add @available attribute to enclosing instance method
  public func printCancellable(id: String? = nil) -> AnyCancellable {
              ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:23:1: note: add @available attribute to enclosing extension
extension Cancellable {
^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:37:12: error: 'sink(receiveCompletion:receiveValue:)' is only available in macOS 10.15 or newer
    return sink(receiveCompletion: { Swift.print("Sink: \($0) \(id)") },
           ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:37:12: note: add 'if #available' version check
    return sink(receiveCompletion: { Swift.print("Sink: \($0) \(id)") },
           ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:36:15: note: add @available attribute to enclosing instance method
  public func printSink(id: String = "") -> AnyCancellable {
              ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:32:1: note: add @available attribute to enclosing extension
extension Publisher {
^
error: fatalError
[0/1] Planning build
Building for debugging...
error: emit-module command failed with exit code 1 (use -v to see invocation)
[1/2] Emitting module CombinePrintout
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:4:16: error: 'AnyCancellable' is only available in macOS 10.15 or newer
  let wrapped: AnyCancellable
               ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:3:7: note: add @available attribute to enclosing class
class PrintCancellable: Cancellable {
      ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:7:19: error: 'AnyCancellable' is only available in macOS 10.15 or newer
  init(_ wrapped: AnyCancellable, id: String? = nil) {
                  ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:7:3: note: add @available attribute to enclosing initializer
  init(_ wrapped: AnyCancellable, id: String? = nil) {
  ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:3:7: note: add @available attribute to enclosing class
class PrintCancellable: Cancellable {
      ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:27:54: error: 'AnyCancellable' is only available in macOS 10.15 or newer
  public func printCancellable(id: String? = nil) -> AnyCancellable {
                                                     ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:27:15: note: add @available attribute to enclosing instance method
  public func printCancellable(id: String? = nil) -> AnyCancellable {
              ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:23:1: note: add @available attribute to enclosing extension
extension Cancellable {
^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:23:11: error: 'Cancellable' is only available in macOS 10.15 or newer
extension Cancellable {
          ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:23:1: note: add @available attribute to enclosing extension
extension Cancellable {
^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:36:45: error: 'AnyCancellable' is only available in macOS 10.15 or newer
  public func printSink(id: String = "") -> AnyCancellable {
                                            ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:36:15: note: add @available attribute to enclosing instance method
  public func printSink(id: String = "") -> AnyCancellable {
              ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:32:1: note: add @available attribute to enclosing extension
extension Publisher {
^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:32:11: error: 'Publisher' is only available in macOS 10.15 or newer
extension Publisher {
          ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:32:1: note: add @available attribute to enclosing extension
extension Publisher {
^
[2/2] Compiling CombinePrintout CombinePrintout.swift
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:4:16: error: 'AnyCancellable' is only available in macOS 10.15 or newer
  let wrapped: AnyCancellable
               ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:3:7: note: add @available attribute to enclosing class
class PrintCancellable: Cancellable {
      ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:7:19: error: 'AnyCancellable' is only available in macOS 10.15 or newer
  init(_ wrapped: AnyCancellable, id: String? = nil) {
                  ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:7:3: note: add @available attribute to enclosing initializer
  init(_ wrapped: AnyCancellable, id: String? = nil) {
  ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:3:7: note: add @available attribute to enclosing class
class PrintCancellable: Cancellable {
      ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:27:54: error: 'AnyCancellable' is only available in macOS 10.15 or newer
  public func printCancellable(id: String? = nil) -> AnyCancellable {
                                                     ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:27:15: note: add @available attribute to enclosing instance method
  public func printCancellable(id: String? = nil) -> AnyCancellable {
              ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:23:1: note: add @available attribute to enclosing extension
extension Cancellable {
^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:23:11: error: 'Cancellable' is only available in macOS 10.15 or newer
extension Cancellable {
          ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:23:1: note: add @available attribute to enclosing extension
extension Cancellable {
^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:36:45: error: 'AnyCancellable' is only available in macOS 10.15 or newer
  public func printSink(id: String = "") -> AnyCancellable {
                                            ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:36:15: note: add @available attribute to enclosing instance method
  public func printSink(id: String = "") -> AnyCancellable {
              ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:32:1: note: add @available attribute to enclosing extension
extension Publisher {
^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:32:11: error: 'Publisher' is only available in macOS 10.15 or newer
extension Publisher {
          ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:32:1: note: add @available attribute to enclosing extension
extension Publisher {
^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:28:12: error: 'AnyCancellable' is only available in macOS 10.15 or newer
    return AnyCancellable(PrintCancellable(AnyCancellable(self), id: id))
           ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:28:12: note: add 'if #available' version check
    return AnyCancellable(PrintCancellable(AnyCancellable(self), id: id))
           ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:27:15: note: add @available attribute to enclosing instance method
  public func printCancellable(id: String? = nil) -> AnyCancellable {
              ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:23:1: note: add @available attribute to enclosing extension
extension Cancellable {
^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:28:44: error: 'AnyCancellable' is only available in macOS 10.15 or newer
    return AnyCancellable(PrintCancellable(AnyCancellable(self), id: id))
                                           ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:28:44: note: add 'if #available' version check
    return AnyCancellable(PrintCancellable(AnyCancellable(self), id: id))
                                           ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:27:15: note: add @available attribute to enclosing instance method
  public func printCancellable(id: String? = nil) -> AnyCancellable {
              ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:23:1: note: add @available attribute to enclosing extension
extension Cancellable {
^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:37:12: error: 'sink(receiveCompletion:receiveValue:)' is only available in macOS 10.15 or newer
    return sink(receiveCompletion: { Swift.print("Sink: \($0) \(id)") },
           ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:37:12: note: add 'if #available' version check
    return sink(receiveCompletion: { Swift.print("Sink: \($0) \(id)") },
           ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:36:15: note: add @available attribute to enclosing instance method
  public func printSink(id: String = "") -> AnyCancellable {
              ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:32:1: note: add @available attribute to enclosing extension
extension Publisher {
^
error: fatalError
BUILD FAILURE 5.9 macosSpm