CombinePrintout – Build Information

Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Failed to build CombinePrintout with Swift 5.10 for macOS (SPM).

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.3.0-Beta.2.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.29.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/CombineCommunity/CombinePrintout.git
Reference: master
Initialized empty Git repository in /Users/builder/builds/UKfvDsi8u/3/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
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             5.10
Building package at path:  $workDir
https://github.com/CombineCommunity/CombinePrintout.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.3.0-Beta.2.app xcrun swift build --arch arm64
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version--423B1241ED78D482.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[3/4] Emitting module CombinePrintout
/Users/builder/builds/UKfvDsi8u/3/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/UKfvDsi8u/3/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/UKfvDsi8u/3/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/UKfvDsi8u/3/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/UKfvDsi8u/3/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/UKfvDsi8u/3/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/UKfvDsi8u/3/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/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:23:1: note: add @available attribute to enclosing extension
extension Cancellable {
^
/Users/builder/builds/UKfvDsi8u/3/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/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:23:1: note: add @available attribute to enclosing extension
extension Cancellable {
^
/Users/builder/builds/UKfvDsi8u/3/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/UKfvDsi8u/3/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/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:32:1: note: add @available attribute to enclosing extension
extension Publisher {
^
/Users/builder/builds/UKfvDsi8u/3/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/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:32:1: note: add @available attribute to enclosing extension
extension Publisher {
^
[4/4] Compiling CombinePrintout CombinePrintout.swift
/Users/builder/builds/UKfvDsi8u/3/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/UKfvDsi8u/3/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/UKfvDsi8u/3/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/UKfvDsi8u/3/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/UKfvDsi8u/3/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/UKfvDsi8u/3/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/UKfvDsi8u/3/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/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:23:1: note: add @available attribute to enclosing extension
extension Cancellable {
^
/Users/builder/builds/UKfvDsi8u/3/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/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:23:1: note: add @available attribute to enclosing extension
extension Cancellable {
^
/Users/builder/builds/UKfvDsi8u/3/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/UKfvDsi8u/3/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/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:32:1: note: add @available attribute to enclosing extension
extension Publisher {
^
/Users/builder/builds/UKfvDsi8u/3/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/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:32:1: note: add @available attribute to enclosing extension
extension Publisher {
^
/Users/builder/builds/UKfvDsi8u/3/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/UKfvDsi8u/3/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/UKfvDsi8u/3/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/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:23:1: note: add @available attribute to enclosing extension
extension Cancellable {
^
/Users/builder/builds/UKfvDsi8u/3/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/UKfvDsi8u/3/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/UKfvDsi8u/3/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/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:23:1: note: add @available attribute to enclosing extension
extension Cancellable {
^
/Users/builder/builds/UKfvDsi8u/3/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/UKfvDsi8u/3/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/UKfvDsi8u/3/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/UKfvDsi8u/3/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...
[0/1] Write swift-version--423B1241ED78D482.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[2/3] Emitting module CombinePrintout
/Users/builder/builds/UKfvDsi8u/3/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/UKfvDsi8u/3/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/UKfvDsi8u/3/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/UKfvDsi8u/3/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/UKfvDsi8u/3/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/UKfvDsi8u/3/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/UKfvDsi8u/3/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/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:23:1: note: add @available attribute to enclosing extension
extension Cancellable {
^
/Users/builder/builds/UKfvDsi8u/3/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/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:23:1: note: add @available attribute to enclosing extension
extension Cancellable {
^
/Users/builder/builds/UKfvDsi8u/3/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/UKfvDsi8u/3/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/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:32:1: note: add @available attribute to enclosing extension
extension Publisher {
^
/Users/builder/builds/UKfvDsi8u/3/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/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:32:1: note: add @available attribute to enclosing extension
extension Publisher {
^
[3/3] Compiling CombinePrintout CombinePrintout.swift
/Users/builder/builds/UKfvDsi8u/3/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/UKfvDsi8u/3/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/UKfvDsi8u/3/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/UKfvDsi8u/3/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/UKfvDsi8u/3/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/UKfvDsi8u/3/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/UKfvDsi8u/3/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/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:23:1: note: add @available attribute to enclosing extension
extension Cancellable {
^
/Users/builder/builds/UKfvDsi8u/3/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/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:23:1: note: add @available attribute to enclosing extension
extension Cancellable {
^
/Users/builder/builds/UKfvDsi8u/3/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/UKfvDsi8u/3/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/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:32:1: note: add @available attribute to enclosing extension
extension Publisher {
^
/Users/builder/builds/UKfvDsi8u/3/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/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:32:1: note: add @available attribute to enclosing extension
extension Publisher {
^
/Users/builder/builds/UKfvDsi8u/3/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/UKfvDsi8u/3/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/UKfvDsi8u/3/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/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:23:1: note: add @available attribute to enclosing extension
extension Cancellable {
^
/Users/builder/builds/UKfvDsi8u/3/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/UKfvDsi8u/3/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/UKfvDsi8u/3/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/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CombinePrintout/CombinePrintout.swift:23:1: note: add @available attribute to enclosing extension
extension Cancellable {
^
/Users/builder/builds/UKfvDsi8u/3/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/UKfvDsi8u/3/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/UKfvDsi8u/3/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/UKfvDsi8u/3/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 5.10 macosSpm