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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 swift-doc with Swift 6.0 for macOS (SPM).

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Build Log

========================================
RunAll
========================================
Builder version: 4.40.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/SwiftDocOrg/swift-doc.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/SwiftDocOrg/swift-doc
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at f935ebf Bump version to 1.0.0-rc.1
Cloned https://github.com/SwiftDocOrg/swift-doc.git
Revision (git rev-parse @):
f935ebfe524a0ff27bda07dadc3662e3e45b5125
SUCCESS checkout https://github.com/SwiftDocOrg/swift-doc.git at master
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $workDir
https://github.com/SwiftDocOrg/swift-doc.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete
Building for debugging...
[0/48] Write sources
[3/48] Write swift-doc-entitlement.plist
[5/48] Write swift-version-6F35C1178C84523A.txt
[6/48] Compiling atomic-counter.c
[7/48] Compiling cmark node.c
[8/48] Compiling cmark html.c
[9/48] Compiling cmark latex.c
[10/48] Compiling cmark references.c
[11/48] Compiling cmark inlines.c
[12/48] Compiling cmark xml.c
[13/48] Compiling cmark houdini_html_e.c
[14/48] Compiling cmark houdini_href_e.c
[15/48] Compiling cmark iterator.c
[16/53] Compiling cmark houdini_html_u.c
[17/60] Compiling cmark cmark_ctype.c
[18/62] Write sources
[31/85] Compiling cmark commonmark.c
[32/85] Compiling cmark man.c
[33/85] Compiling cmark cmark.c
[34/85] Compiling cmark buffer.c
[35/85] Write sources
[37/85] Compiling cmark render.c
[38/85] Write sources
[40/125] Compiling cmark blocks.c
[41/174] Compiling cmark utf8.c
[42/174] Compiling cmark scanners.c
[44/200] Emitting module CommonMark
[45/202] Compiling DCOV Report.swift
[46/202] Compiling DCOV Entry.swift
[47/202] Emitting module DCOV
[48/202] Compiling DCOV Ratio.swift
[49/202] Compiling CommonMark BlockQuote.swift
[50/202] Compiling CommonMark CodeBlock.swift
[51/202] Compiling CommonMark HTMLBlock.swift
[52/202] Compiling CommonMark LineBreak.swift
[53/202] Compiling CommonMark Linked.swift
[54/202] Compiling CommonMark Literal.swift
[55/202] Compiling CommonMark Visitable.swift
[56/202] Compiling CommonMark Emphasis.swift
[57/202] Compiling CommonMark HardLineBreak.swift
[58/202] Compiling CommonMark Image.swift
[59/202] Compiling CommonMark Heading.swift
[60/202] Compiling CommonMark List.swift
[61/202] Compiling CommonMark Paragraph.swift
[62/202] Compiling CommonMark ThematicBreak.swift
[63/202] Compiling CommonMark Document.swift
[64/202] Compiling CommonMark Code.swift
[65/202] Compiling CommonMark Strong.swift
[66/202] Compiling CommonMark Text.swift
[67/202] Compiling CommonMark Node.swift
[68/202] Compiling CommonMark Link.swift
[69/202] Compiling CommonMark RawHTML.swift
[70/202] Compiling CommonMark SoftLineBreak.swift
[71/202] Compiling CommonMark Block.swift
[72/202] Compiling CommonMark Children.swift
[73/202] Compiling CommonMark Inline.swift
[74/202] Compiling CommonMark Visitor.swift
[75/202] Compiling CommonMark Version.swift
[76/202] Compiling Logging Locks.swift
[77/202] Emitting module Logging
[78/202] Compiling Logging LogHandler.swift
[79/202] Compiling Logging Logging.swift
[80/230] Compiling CommonMarkBuilder HTML+Builder.swift
[81/230] Compiling CommonMarkBuilder Link+Builder.swift
[82/230] Compiling CommonMarkBuilder Code+Builder.swift
[83/230] Compiling CommonMarkBuilder Emphasis+Builder.swift
[84/232] Compiling CommonMarkBuilder Paragraph+Builder.swift
[85/232] Compiling CommonMarkBuilder Document+Builder.swift
[86/232] Emitting module CommonMarkBuilder
[87/232] Compiling CommonMarkBuilder ListItemConvertible.swift
[88/232] Compiling CommonMarkBuilder ForEach.swift
[89/232] Compiling CommonMarkBuilder Fragment.swift
[90/232] Compiling CommonMarkBuilder BlockQuote+Builder.swift
[91/232] Compiling CommonMarkBuilder CodeBlock+Builder.swift
[92/232] Compiling CommonMarkBuilder HTMLBlock+Builder.swift
[93/232] Compiling CommonMarkBuilder Strong+Builder.swift
[94/232] Compiling CommonMarkBuilder Text+Builder.swift
[95/232] Compiling CommonMarkBuilder Heading+Builder.swift
[96/232] Compiling CommonMarkBuilder List+Builder.swift
[97/232] Compiling CommonMarkBuilder CommonMarkBuilder.swift
[98/232] Compiling CommonMarkBuilder BlockConvertible.swift
[99/232] Compiling CommonMarkBuilder InlineConvertible.swift
[100/232] Compiling CommonMarkBuilder Section.swift
[101/232] Compiling CommonMarkBuilder StringBuilder.swift
[102/232] Compiling HypertextLiteral HypertextAttributesInterpolatable.swift
[103/232] Compiling HypertextLiteral HypertextLiteralConvertible.swift
[104/232] Compiling LoggingGitHubActions StandardOutpoutTextOutputStream.swift
[108/235] Compiling DOM ProcessingInstruction.swift
[109/236] Compiling DOM Error.swift
[110/236] Compiling DOM Element.swift
[111/236] Compiling DOM String+Extensions.swift
[112/236] Compiling DOM DocumentType.swift
[113/236] Compiling DOM Node.swift
[114/236] Compiling DOM Text.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-syntax/Sources/SwiftSyntax/SyntaxParser.swift:17:8: error: no such module '_InternalSwiftSyntaxParser'
 15 | //===----------------------------------------------------------------------===//
 16 |
 17 | import _InternalSwiftSyntaxParser
    |        `- error: no such module '_InternalSwiftSyntaxParser'
 18 | import Foundation
 19 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-syntax/Sources/SwiftSyntax/SyntaxParser.swift:17:8: error: no such module '_InternalSwiftSyntaxParser'
 15 | //===----------------------------------------------------------------------===//
 16 |
 17 | import _InternalSwiftSyntaxParser
    |        `- error: no such module '_InternalSwiftSyntaxParser'
 18 | import Foundation
 19 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-syntax/Sources/SwiftSyntax/SyntaxParser.swift:17:8: error: no such module '_InternalSwiftSyntaxParser'
 15 | //===----------------------------------------------------------------------===//
 16 |
 17 | import _InternalSwiftSyntaxParser
    |        `- error: no such module '_InternalSwiftSyntaxParser'
 18 | import Foundation
 19 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-syntax/Sources/SwiftSyntax/SyntaxParser.swift:17:8: error: no such module '_InternalSwiftSyntaxParser'
 15 | //===----------------------------------------------------------------------===//
 16 |
 17 | import _InternalSwiftSyntaxParser
    |        `- error: no such module '_InternalSwiftSyntaxParser'
 18 | import Foundation
 19 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-syntax/Sources/SwiftSyntax/SyntaxParser.swift:17:8: error: no such module '_InternalSwiftSyntaxParser'
 15 | //===----------------------------------------------------------------------===//
 16 |
 17 | import _InternalSwiftSyntaxParser
    |        `- error: no such module '_InternalSwiftSyntaxParser'
 18 | import Foundation
 19 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-syntax/Sources/SwiftSyntax/SyntaxParser.swift:17:8: error: no such module '_InternalSwiftSyntaxParser'
 15 | //===----------------------------------------------------------------------===//
 16 |
 17 | import _InternalSwiftSyntaxParser
    |        `- error: no such module '_InternalSwiftSyntaxParser'
 18 | import Foundation
 19 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-syntax/Sources/SwiftSyntax/SyntaxParser.swift:17:8: error: no such module '_InternalSwiftSyntaxParser'
 15 | //===----------------------------------------------------------------------===//
 16 |
 17 | import _InternalSwiftSyntaxParser
    |        `- error: no such module '_InternalSwiftSyntaxParser'
 18 | import Foundation
 19 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-syntax/Sources/SwiftSyntax/SyntaxParser.swift:17:8: error: no such module '_InternalSwiftSyntaxParser'
 15 | //===----------------------------------------------------------------------===//
 16 |
 17 | import _InternalSwiftSyntaxParser
    |        `- error: no such module '_InternalSwiftSyntaxParser'
 18 | import Foundation
 19 |
error: emit-module command failed with exit code 1 (use -v to see invocation)
[130/243] Emitting module GraphViz
/Users/admin/builder/spi-builder-workspace/.build/checkouts/GraphViz/Sources/GraphViz/Core/Edge.swift:6:27: error: 'ID' is only available in macOS 10.15 or newer
  3 | /// An edge between two nodes.
  4 | @dynamicMemberLookup
  5 | public struct Edge: Hashable {
    |               `- note: add @available attribute to enclosing struct
  6 |     public var from: Node.ID
    |                           `- error: 'ID' is only available in macOS 10.15 or newer
  7 |     public var to: Node.ID
  8 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/GraphViz/Sources/GraphViz/Core/Edge.swift:7:25: error: 'ID' is only available in macOS 10.15 or newer
  3 | /// An edge between two nodes.
  4 | @dynamicMemberLookup
  5 | public struct Edge: Hashable {
    |               `- note: add @available attribute to enclosing struct
  6 |     public var from: Node.ID
  7 |     public var to: Node.ID
    |                         `- error: 'ID' is only available in macOS 10.15 or newer
  8 |
  9 |     public enum Direction: String, Hashable {
/Users/admin/builder/spi-builder-workspace/.build/checkouts/GraphViz/Sources/GraphViz/Core/Edge.swift:25:28: error: 'ID' is only available in macOS 10.15 or newer
  3 | /// An edge between two nodes.
  4 | @dynamicMemberLookup
  5 | public struct Edge: Hashable {
    |               `- note: add @available attribute to enclosing struct
  6 |     public var from: Node.ID
  7 |     public var to: Node.ID
    :
 23 |     }
 24 |
 25 |     public init(from: Node.ID, to: Node.ID, direction: Direction? = nil) {
    |            |               `- error: 'ID' is only available in macOS 10.15 or newer
    |            `- note: add @available attribute to enclosing initializer
 26 |         self.from = from
 27 |         self.to = to
/Users/admin/builder/spi-builder-workspace/.build/checkouts/GraphViz/Sources/GraphViz/Core/Edge.swift:25:41: error: 'ID' is only available in macOS 10.15 or newer
  3 | /// An edge between two nodes.
  4 | @dynamicMemberLookup
  5 | public struct Edge: Hashable {
    |               `- note: add @available attribute to enclosing struct
  6 |     public var from: Node.ID
  7 |     public var to: Node.ID
    :
 23 |     }
 24 |
 25 |     public init(from: Node.ID, to: Node.ID, direction: Direction? = nil) {
    |            |                            `- error: 'ID' is only available in macOS 10.15 or newer
    |            `- note: add @available attribute to enclosing initializer
 26 |         self.from = from
 27 |         self.to = to
/Users/admin/builder/spi-builder-workspace/.build/checkouts/GraphViz/Sources/GraphViz/Core/Graph.swift:174:34: error: 'ID' is only available in macOS 10.15 or newer
170 |         public var scale: Double
171 |
172 |         public enum Center: Hashable {
    |                     `- note: add @available attribute to enclosing enum
173 |             case point(x: Double, y: Double)
174 |             case node(name: Node.ID)
    |                                  `- error: 'ID' is only available in macOS 10.15 or newer
175 |         }
176 |
[135/243] Emitting module ArgumentParser
[149/243] Compiling ArgumentParser ArgumentDefinition.swift
[150/243] Compiling ArgumentParser Argument.swift
[151/243] Compiling GraphViz Error.swift
[152/243] Compiling GraphViz Graph+Rendering.swift
[153/243] Compiling GraphViz Renderer.swift
[154/243] Compiling ArgumentParser SequenceExtensions.swift
[155/243] Compiling ArgumentParser StringExtensions.swift
[156/243] Compiling ArgumentParser Tree.swift
[157/243] Compiling DOM DocumentFragment.swift
[160/243] Emitting module DOM
[163/243] Compiling SwiftMarkup Callout.swift
[164/243] Emitting module SwiftMarkup
[165/243] Emitting module HypertextLiteral
[166/243] Compiling HypertextLiteral HypertextAttributeValueInterpolatable.swift
[167/243] Compiling HypertextLiteral Swift+HyperTextConvertible.swift
[168/243] Compiling HypertextLiteral HTML.swift
[169/243] Compiling SwiftMarkup Parameter.swift
[170/243] Compiling SwiftMarkup DiscussionPart.swift
[171/243] Compiling SwiftMarkup Documentation.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-syntax/Sources/SwiftSyntax/SyntaxParser.swift:17:8: error: no such module '_InternalSwiftSyntaxParser'
 15 | //===----------------------------------------------------------------------===//
 16 |
 17 | import _InternalSwiftSyntaxParser
    |        `- error: no such module '_InternalSwiftSyntaxParser'
 18 | import Foundation
 19 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-syntax/Sources/SwiftSyntax/SyntaxParser.swift:17:8: error: no such module '_InternalSwiftSyntaxParser'
 15 | //===----------------------------------------------------------------------===//
 16 |
 17 | import _InternalSwiftSyntaxParser
    |        `- error: no such module '_InternalSwiftSyntaxParser'
 18 | import Foundation
 19 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-syntax/Sources/SwiftSyntax/SyntaxParser.swift:17:8: error: no such module '_InternalSwiftSyntaxParser'
 15 | //===----------------------------------------------------------------------===//
 16 |
 17 | import _InternalSwiftSyntaxParser
    |        `- error: no such module '_InternalSwiftSyntaxParser'
 18 | import Foundation
 19 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-syntax/Sources/SwiftSyntax/SyntaxParser.swift:17:8: error: no such module '_InternalSwiftSyntaxParser'
 15 | //===----------------------------------------------------------------------===//
 16 |
 17 | import _InternalSwiftSyntaxParser
    |        `- error: no such module '_InternalSwiftSyntaxParser'
 18 | import Foundation
 19 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-syntax/Sources/SwiftSyntax/SyntaxParser.swift:17:8: error: no such module '_InternalSwiftSyntaxParser'
 15 | //===----------------------------------------------------------------------===//
 16 |
 17 | import _InternalSwiftSyntaxParser
    |        `- error: no such module '_InternalSwiftSyntaxParser'
 18 | import Foundation
 19 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-syntax/Sources/SwiftSyntax/SyntaxParser.swift:17:8: error: no such module '_InternalSwiftSyntaxParser'
 15 | //===----------------------------------------------------------------------===//
 16 |
 17 | import _InternalSwiftSyntaxParser
    |        `- error: no such module '_InternalSwiftSyntaxParser'
 18 | import Foundation
 19 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-syntax/Sources/SwiftSyntax/SyntaxParser.swift:17:8: error: no such module '_InternalSwiftSyntaxParser'
 15 | //===----------------------------------------------------------------------===//
 16 |
 17 | import _InternalSwiftSyntaxParser
    |        `- error: no such module '_InternalSwiftSyntaxParser'
 18 | import Foundation
 19 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-syntax/Sources/SwiftSyntax/SyntaxParser.swift:17:8: error: no such module '_InternalSwiftSyntaxParser'
 15 | //===----------------------------------------------------------------------===//
 16 |
 17 | import _InternalSwiftSyntaxParser
    |        `- error: no such module '_InternalSwiftSyntaxParser'
 18 | import Foundation
 19 |
[180/243] Compiling LoggingGitHubActions GitHubActionsLogHandler.swift
[181/243] Emitting module LoggingGitHubActions
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-syntax/Sources/SwiftSyntax/SyntaxParser.swift:17:8: error: no such module '_InternalSwiftSyntaxParser'
 15 | //===----------------------------------------------------------------------===//
 16 |
 17 | import _InternalSwiftSyntaxParser
    |        `- error: no such module '_InternalSwiftSyntaxParser'
 18 | import Foundation
 19 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-syntax/Sources/SwiftSyntax/SyntaxParser.swift:17:8: error: no such module '_InternalSwiftSyntaxParser'
 15 | //===----------------------------------------------------------------------===//
 16 |
 17 | import _InternalSwiftSyntaxParser
    |        `- error: no such module '_InternalSwiftSyntaxParser'
 18 | import Foundation
 19 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-syntax/Sources/SwiftSyntax/SyntaxParser.swift:17:8: error: no such module '_InternalSwiftSyntaxParser'
 15 | //===----------------------------------------------------------------------===//
 16 |
 17 | import _InternalSwiftSyntaxParser
    |        `- error: no such module '_InternalSwiftSyntaxParser'
 18 | import Foundation
 19 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-syntax/Sources/SwiftSyntax/SyntaxParser.swift:17:8: error: no such module '_InternalSwiftSyntaxParser'
 15 | //===----------------------------------------------------------------------===//
 16 |
 17 | import _InternalSwiftSyntaxParser
    |        `- error: no such module '_InternalSwiftSyntaxParser'
 18 | import Foundation
 19 |
[189/249] Compiling XPath XPath.swift
[197/249] Compiling XPath NodeSet.swift
[198/249] Compiling XPath Context.swift
[199/249] Emitting module XPath
[200/249] Compiling XPath Object.swift
[201/249] Compiling XPath Expression.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/GraphViz/Sources/GraphViz/Core/Edge.swift:6:27: error: 'ID' is only available in macOS 10.15 or newer
  3 | /// An edge between two nodes.
  4 | @dynamicMemberLookup
  5 | public struct Edge: Hashable {
    |               `- note: add @available attribute to enclosing struct
  6 |     public var from: Node.ID
    |                           `- error: 'ID' is only available in macOS 10.15 or newer
  7 |     public var to: Node.ID
  8 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/GraphViz/Sources/GraphViz/Core/Edge.swift:7:25: error: 'ID' is only available in macOS 10.15 or newer
  3 | /// An edge between two nodes.
  4 | @dynamicMemberLookup
  5 | public struct Edge: Hashable {
    |               `- note: add @available attribute to enclosing struct
  6 |     public var from: Node.ID
  7 |     public var to: Node.ID
    |                         `- error: 'ID' is only available in macOS 10.15 or newer
  8 |
  9 |     public enum Direction: String, Hashable {
/Users/admin/builder/spi-builder-workspace/.build/checkouts/GraphViz/Sources/GraphViz/Core/Edge.swift:25:28: error: 'ID' is only available in macOS 10.15 or newer
  3 | /// An edge between two nodes.
  4 | @dynamicMemberLookup
  5 | public struct Edge: Hashable {
    |               `- note: add @available attribute to enclosing struct
  6 |     public var from: Node.ID
  7 |     public var to: Node.ID
    :
 23 |     }
 24 |
 25 |     public init(from: Node.ID, to: Node.ID, direction: Direction? = nil) {
    |            |               `- error: 'ID' is only available in macOS 10.15 or newer
    |            `- note: add @available attribute to enclosing initializer
 26 |         self.from = from
 27 |         self.to = to
/Users/admin/builder/spi-builder-workspace/.build/checkouts/GraphViz/Sources/GraphViz/Core/Edge.swift:25:41: error: 'ID' is only available in macOS 10.15 or newer
  3 | /// An edge between two nodes.
  4 | @dynamicMemberLookup
  5 | public struct Edge: Hashable {
    |               `- note: add @available attribute to enclosing struct
  6 |     public var from: Node.ID
  7 |     public var to: Node.ID
    :
 23 |     }
 24 |
 25 |     public init(from: Node.ID, to: Node.ID, direction: Direction? = nil) {
    |            |                            `- error: 'ID' is only available in macOS 10.15 or newer
    |            `- note: add @available attribute to enclosing initializer
 26 |         self.from = from
 27 |         self.to = to
/Users/admin/builder/spi-builder-workspace/.build/checkouts/GraphViz/Sources/GraphViz/Core/Graph.swift:174:34: error: 'ID' is only available in macOS 10.15 or newer
170 |         public var scale: Double
171 |
172 |         public enum Center: Hashable {
    |                     `- note: add @available attribute to enclosing enum
173 |             case point(x: Double, y: Double)
174 |             case node(name: Node.ID)
    |                                  `- error: 'ID' is only available in macOS 10.15 or newer
175 |         }
176 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/GraphViz/Sources/GraphViz/Core/Edge.swift:6:27: error: 'ID' is only available in macOS 10.15 or newer
  3 | /// An edge between two nodes.
  4 | @dynamicMemberLookup
  5 | public struct Edge: Hashable {
    |               `- note: add @available attribute to enclosing struct
  6 |     public var from: Node.ID
    |                           `- error: 'ID' is only available in macOS 10.15 or newer
  7 |     public var to: Node.ID
  8 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/GraphViz/Sources/GraphViz/Core/Edge.swift:7:25: error: 'ID' is only available in macOS 10.15 or newer
  3 | /// An edge between two nodes.
  4 | @dynamicMemberLookup
  5 | public struct Edge: Hashable {
    |               `- note: add @available attribute to enclosing struct
  6 |     public var from: Node.ID
  7 |     public var to: Node.ID
    |                         `- error: 'ID' is only available in macOS 10.15 or newer
  8 |
  9 |     public enum Direction: String, Hashable {
/Users/admin/builder/spi-builder-workspace/.build/checkouts/GraphViz/Sources/GraphViz/Core/Edge.swift:25:28: error: 'ID' is only available in macOS 10.15 or newer
  3 | /// An edge between two nodes.
  4 | @dynamicMemberLookup
  5 | public struct Edge: Hashable {
    |               `- note: add @available attribute to enclosing struct
  6 |     public var from: Node.ID
  7 |     public var to: Node.ID
    :
 23 |     }
 24 |
 25 |     public init(from: Node.ID, to: Node.ID, direction: Direction? = nil) {
    |            |               `- error: 'ID' is only available in macOS 10.15 or newer
    |            `- note: add @available attribute to enclosing initializer
 26 |         self.from = from
 27 |         self.to = to
/Users/admin/builder/spi-builder-workspace/.build/checkouts/GraphViz/Sources/GraphViz/Core/Edge.swift:25:41: error: 'ID' is only available in macOS 10.15 or newer
  3 | /// An edge between two nodes.
  4 | @dynamicMemberLookup
  5 | public struct Edge: Hashable {
    |               `- note: add @available attribute to enclosing struct
  6 |     public var from: Node.ID
  7 |     public var to: Node.ID
    :
 23 |     }
 24 |
 25 |     public init(from: Node.ID, to: Node.ID, direction: Direction? = nil) {
    |            |                            `- error: 'ID' is only available in macOS 10.15 or newer
    |            `- note: add @available attribute to enclosing initializer
 26 |         self.from = from
 27 |         self.to = to
/Users/admin/builder/spi-builder-workspace/.build/checkouts/GraphViz/Sources/GraphViz/Core/Graph.swift:174:34: error: 'ID' is only available in macOS 10.15 or newer
170 |         public var scale: Double
171 |
172 |         public enum Center: Hashable {
    |                     `- note: add @available attribute to enclosing enum
173 |             case point(x: Double, y: Double)
174 |             case node(name: Node.ID)
    |                                  `- error: 'ID' is only available in macOS 10.15 or newer
175 |         }
176 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/GraphViz/Sources/GraphViz/Core/Edge.swift:6:27: error: 'ID' is only available in macOS 10.15 or newer
  3 | /// An edge between two nodes.
  4 | @dynamicMemberLookup
  5 | public struct Edge: Hashable {
    |               `- note: add @available attribute to enclosing struct
  6 |     public var from: Node.ID
    |                           `- error: 'ID' is only available in macOS 10.15 or newer
  7 |     public var to: Node.ID
  8 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/GraphViz/Sources/GraphViz/Core/Edge.swift:7:25: error: 'ID' is only available in macOS 10.15 or newer
  3 | /// An edge between two nodes.
  4 | @dynamicMemberLookup
  5 | public struct Edge: Hashable {
    |               `- note: add @available attribute to enclosing struct
  6 |     public var from: Node.ID
  7 |     public var to: Node.ID
    |                         `- error: 'ID' is only available in macOS 10.15 or newer
  8 |
  9 |     public enum Direction: String, Hashable {
/Users/admin/builder/spi-builder-workspace/.build/checkouts/GraphViz/Sources/GraphViz/Core/Edge.swift:25:28: error: 'ID' is only available in macOS 10.15 or newer
  3 | /// An edge between two nodes.
  4 | @dynamicMemberLookup
  5 | public struct Edge: Hashable {
    |               `- note: add @available attribute to enclosing struct
  6 |     public var from: Node.ID
  7 |     public var to: Node.ID
    :
 23 |     }
 24 |
 25 |     public init(from: Node.ID, to: Node.ID, direction: Direction? = nil) {
    |            |               `- error: 'ID' is only available in macOS 10.15 or newer
    |            `- note: add @available attribute to enclosing initializer
 26 |         self.from = from
 27 |         self.to = to
/Users/admin/builder/spi-builder-workspace/.build/checkouts/GraphViz/Sources/GraphViz/Core/Edge.swift:25:41: error: 'ID' is only available in macOS 10.15 or newer
  3 | /// An edge between two nodes.
  4 | @dynamicMemberLookup
  5 | public struct Edge: Hashable {
    |               `- note: add @available attribute to enclosing struct
  6 |     public var from: Node.ID
  7 |     public var to: Node.ID
    :
 23 |     }
 24 |
 25 |     public init(from: Node.ID, to: Node.ID, direction: Direction? = nil) {
    |            |                            `- error: 'ID' is only available in macOS 10.15 or newer
    |            `- note: add @available attribute to enclosing initializer
 26 |         self.from = from
 27 |         self.to = to
/Users/admin/builder/spi-builder-workspace/.build/checkouts/GraphViz/Sources/GraphViz/Core/Graph.swift:174:34: error: 'ID' is only available in macOS 10.15 or newer
170 |         public var scale: Double
171 |
172 |         public enum Center: Hashable {
    |                     `- note: add @available attribute to enclosing enum
173 |             case point(x: Double, y: Double)
174 |             case node(name: Node.ID)
    |                                  `- error: 'ID' is only available in macOS 10.15 or newer
175 |         }
176 |
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warning: failed to retrieve search paths with pkg-config; maybe pkg-config is not installed
warning: couldn't find pc file for libxml-2.0
warning: you may be able to install libcgraph using your system-packager:
    brew install graphviz
BUILD FAILURE 6.0 macosSpm
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