The Swift Package Index logo.Swift Package Index

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 Selfish, reference 0.0.12 (8267a4), with Swift 6.1 for Linux on 25 Apr 2025 13:04:03 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/jpsim/selfish.git
Reference: 0.0.12
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/jpsim/selfish
 * tag               0.0.12     -> FETCH_HEAD
HEAD is now at 8267a4e Release 0.0.12
Cloned https://github.com/jpsim/selfish.git
Revision (git rev-parse @):
8267a4e26c8a0c04c2ec1cc80ae5c3a43597003a
SUCCESS checkout https://github.com/jpsim/selfish.git at 0.0.12
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/jpsim/selfish.git
https://github.com/jpsim/selfish.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
    {
      "identity" : "sourcekitten",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.23.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/jpsim/SourceKitten.git"
    },
    {
      "identity" : "yams",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.0.0",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/jpsim/Yams.git"
    }
  ],
  "manifest_display_name" : "Selfish",
  "name" : "Selfish",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "selfish",
      "targets" : [
        "selfish"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "selfish",
      "module_type" : "SwiftTarget",
      "name" : "selfish",
      "path" : "Sources/selfish",
      "product_dependencies" : [
        "SourceKittenFramework",
        "Yams"
      ],
      "product_memberships" : [
        "selfish"
      ],
      "sources" : [
        "main.swift"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "4.0"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu -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
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
Fetching https://github.com/jpsim/Yams.git
Fetching https://github.com/jpsim/SourceKitten.git
[1/16112] Fetching sourcekitten
[2418/26401] Fetching sourcekitten, yams
Fetched https://github.com/jpsim/SourceKitten.git from cache (1.29s)
Fetched https://github.com/jpsim/Yams.git from cache (1.31s)
Computing version for https://github.com/jpsim/Yams.git
Computed https://github.com/jpsim/Yams.git at 2.0.0 (4.74s)
Computing version for https://github.com/jpsim/SourceKitten.git
Computed https://github.com/jpsim/SourceKitten.git at 0.29.0 (0.79s)
Fetching https://github.com/Carthage/Commandant.git
Fetching https://github.com/drmohundro/SWXMLHash.git
[1/2820] Fetching swxmlhash
[819/5149] Fetching swxmlhash, commandant
Fetched https://github.com/Carthage/Commandant.git from cache (1.34s)
Fetched https://github.com/drmohundro/SWXMLHash.git from cache (1.40s)
Computing version for https://github.com/Carthage/Commandant.git
Computed https://github.com/Carthage/Commandant.git at 0.17.0 (1.92s)
Fetching https://github.com/Quick/Nimble.git
Fetching https://github.com/Quick/Quick.git
[1/14755] Fetching quick
[6641/34322] Fetching quick, nimble
Fetched https://github.com/Quick/Quick.git from cache (1.08s)
Fetched https://github.com/Quick/Nimble.git from cache (1.13s)
Computing version for https://github.com/drmohundro/SWXMLHash.git
Computed https://github.com/drmohundro/SWXMLHash.git at 5.0.2 (1.86s)
Computing version for https://github.com/Quick/Quick.git
Computed https://github.com/Quick/Quick.git at 2.2.1 (0.83s)
Computing version for https://github.com/Quick/Nimble.git
Computed https://github.com/Quick/Nimble.git at 8.1.2 (0.74s)
Creating working copy for https://github.com/drmohundro/SWXMLHash.git
Working copy of https://github.com/drmohundro/SWXMLHash.git resolved at 5.0.2
Creating working copy for https://github.com/jpsim/Yams.git
Working copy of https://github.com/jpsim/Yams.git resolved at 2.0.0
Creating working copy for https://github.com/Quick/Nimble.git
Working copy of https://github.com/Quick/Nimble.git resolved at 8.1.2
Creating working copy for https://github.com/jpsim/SourceKitten.git
Working copy of https://github.com/jpsim/SourceKitten.git resolved at 0.29.0
Creating working copy for https://github.com/Quick/Quick.git
Working copy of https://github.com/Quick/Quick.git resolved at 2.2.1
Creating working copy for https://github.com/Carthage/Commandant.git
Working copy of https://github.com/Carthage/Commandant.git resolved at 0.17.0
Building for debugging...
[0/19] Write sources
[4/19] Compiling SourceKit SourceKit.m
[5/19] Compiling Clang_C Clang_C.m
[6/19] Compiling reader.c
[7/19] Compiling writer.c
[8/19] Compiling parser.c
[9/19] Compiling emitter.c
[10/19] Write swift-version-24593BA9C3E375BF.txt
[11/19] Compiling api.c
[11/19] Compiling scanner.c
[14/38] Emitting module Yams
[15/40] Compiling Yams Mark.swift
[16/40] Compiling Yams Node.Mapping.swift
[17/40] Compiling Yams YamlError.swift
[18/40] Compiling Yams shim.swift
[19/40] Compiling SWXMLHash shim.swift
[20/40] Compiling Yams Emitter.swift
[21/40] Compiling Yams Encoder.swift
[22/40] Compiling SWXMLHash XMLIndexer+XMLIndexerDeserializable.swift
[23/40] Compiling Yams Representer.swift
[24/40] Compiling Yams Resolver.swift
[25/40] Compiling Yams String+Yams.swift
[26/40] Compiling Yams Tag.swift
[27/40] Compiling Yams Node.Scalar.swift
[28/40] Compiling Yams Node.Sequence.swift
[29/40] Compiling Yams Node.swift
[30/40] Compiling Yams Parser.swift
[31/40] Emitting module SWXMLHash
[32/40] Compiling SWXMLHash SWXMLHash.swift
[33/41] Compiling Yams Constructor.swift
[34/41] Compiling Yams Decoder.swift
[36/42] Wrapping AST for SWXMLHash for debugging
[37/42] Wrapping AST for Yams for debugging
[39/85] Compiling SourceKittenFramework ByteCount.swift
[40/85] Compiling SourceKittenFramework ByteRange.swift
[41/85] Compiling SourceKittenFramework Clang+SourceKitten.swift
[42/85] Compiling SourceKittenFramework ClangTranslationUnit.swift
[43/85] Compiling SourceKittenFramework CodeCompletionItem.swift
[44/85] Compiling SourceKittenFramework CursorInfo+Parsing.swift
[45/90] Emitting module SourceKittenFramework
[46/90] Compiling SourceKittenFramework library_wrapper.swift
[47/90] Compiling SourceKittenFramework library_wrapper_CXString.swift
[48/90] Compiling SourceKittenFramework library_wrapper_Documentation.swift
[49/90] Compiling SourceKittenFramework library_wrapper_Index.swift
[50/90] Compiling SourceKittenFramework library_wrapper_sourcekitd.swift
[51/90] Compiling SourceKittenFramework Text.swift
[52/90] Compiling SourceKittenFramework UID.swift
[53/90] Compiling SourceKittenFramework UIDRepresentable.swift
[54/90] Compiling SourceKittenFramework Version.swift
[55/90] Compiling SourceKittenFramework Xcode.swift
[56/90] Compiling SourceKittenFramework XcodeBuildSetting.swift
[57/90] Compiling SourceKittenFramework SwiftDocKey.swift
/host/spi-builder-workspace/.build/checkouts/SourceKitten/Source/SourceKittenFramework/SwiftDocs.swift:35:13: error: cannot find 'fputs' in scope
33 |             )
34 |         } catch let error as Request.Error {
35 |             fputs(error.description, stderr)
   |             `- error: cannot find 'fputs' in scope
36 |             return nil
37 |         } catch {
/host/spi-builder-workspace/.build/checkouts/SourceKitten/Source/SourceKittenFramework/SwiftDocs.swift:35:38: error: cannot find 'stderr' in scope
33 |             )
34 |         } catch let error as Request.Error {
35 |             fputs(error.description, stderr)
   |                                      `- error: cannot find 'stderr' in scope
36 |             return nil
37 |         } catch {
[58/90] Compiling SourceKittenFramework SwiftDocs.swift
/host/spi-builder-workspace/.build/checkouts/SourceKitten/Source/SourceKittenFramework/SwiftDocs.swift:35:13: error: cannot find 'fputs' in scope
33 |             )
34 |         } catch let error as Request.Error {
35 |             fputs(error.description, stderr)
   |             `- error: cannot find 'fputs' in scope
36 |             return nil
37 |         } catch {
/host/spi-builder-workspace/.build/checkouts/SourceKitten/Source/SourceKittenFramework/SwiftDocs.swift:35:38: error: cannot find 'stderr' in scope
33 |             )
34 |         } catch let error as Request.Error {
35 |             fputs(error.description, stderr)
   |                                      `- error: cannot find 'stderr' in scope
36 |             return nil
37 |         } catch {
[59/90] Compiling SourceKittenFramework SwiftVersion.swift
/host/spi-builder-workspace/.build/checkouts/SourceKitten/Source/SourceKittenFramework/SwiftDocs.swift:35:13: error: cannot find 'fputs' in scope
33 |             )
34 |         } catch let error as Request.Error {
35 |             fputs(error.description, stderr)
   |             `- error: cannot find 'fputs' in scope
36 |             return nil
37 |         } catch {
/host/spi-builder-workspace/.build/checkouts/SourceKitten/Source/SourceKittenFramework/SwiftDocs.swift:35:38: error: cannot find 'stderr' in scope
33 |             )
34 |         } catch let error as Request.Error {
35 |             fputs(error.description, stderr)
   |                                      `- error: cannot find 'stderr' in scope
36 |             return nil
37 |         } catch {
[60/90] Compiling SourceKittenFramework SyntaxKind.swift
/host/spi-builder-workspace/.build/checkouts/SourceKitten/Source/SourceKittenFramework/SwiftDocs.swift:35:13: error: cannot find 'fputs' in scope
33 |             )
34 |         } catch let error as Request.Error {
35 |             fputs(error.description, stderr)
   |             `- error: cannot find 'fputs' in scope
36 |             return nil
37 |         } catch {
/host/spi-builder-workspace/.build/checkouts/SourceKitten/Source/SourceKittenFramework/SwiftDocs.swift:35:38: error: cannot find 'stderr' in scope
33 |             )
34 |         } catch let error as Request.Error {
35 |             fputs(error.description, stderr)
   |                                      `- error: cannot find 'stderr' in scope
36 |             return nil
37 |         } catch {
[61/90] Compiling SourceKittenFramework SyntaxMap.swift
/host/spi-builder-workspace/.build/checkouts/SourceKitten/Source/SourceKittenFramework/SwiftDocs.swift:35:13: error: cannot find 'fputs' in scope
33 |             )
34 |         } catch let error as Request.Error {
35 |             fputs(error.description, stderr)
   |             `- error: cannot find 'fputs' in scope
36 |             return nil
37 |         } catch {
/host/spi-builder-workspace/.build/checkouts/SourceKitten/Source/SourceKittenFramework/SwiftDocs.swift:35:38: error: cannot find 'stderr' in scope
33 |             )
34 |         } catch let error as Request.Error {
35 |             fputs(error.description, stderr)
   |                                      `- error: cannot find 'stderr' in scope
36 |             return nil
37 |         } catch {
[62/90] Compiling SourceKittenFramework SyntaxToken.swift
/host/spi-builder-workspace/.build/checkouts/SourceKitten/Source/SourceKittenFramework/SwiftDocs.swift:35:13: error: cannot find 'fputs' in scope
33 |             )
34 |         } catch let error as Request.Error {
35 |             fputs(error.description, stderr)
   |             `- error: cannot find 'fputs' in scope
36 |             return nil
37 |         } catch {
/host/spi-builder-workspace/.build/checkouts/SourceKitten/Source/SourceKittenFramework/SwiftDocs.swift:35:38: error: cannot find 'stderr' in scope
33 |             )
34 |         } catch let error as Request.Error {
35 |             fputs(error.description, stderr)
   |                                      `- error: cannot find 'stderr' in scope
36 |             return nil
37 |         } catch {
[63/90] Compiling SourceKittenFramework Parameter.swift
[64/90] Compiling SourceKittenFramework Request.swift
[65/90] Compiling SourceKittenFramework SourceDeclaration.swift
[66/90] Compiling SourceKittenFramework SourceKitObject.swift
[67/90] Compiling SourceKittenFramework SourceLocation.swift
[68/90] Compiling SourceKittenFramework StatementKind.swift
[69/90] Compiling SourceKittenFramework Language.swift
[70/90] Compiling SourceKittenFramework Line.swift
[71/90] Compiling SourceKittenFramework LinuxCompatibility.swift
[72/90] Compiling SourceKittenFramework Module.swift
[73/90] Compiling SourceKittenFramework ObjCDeclarationKind.swift
[74/90] Compiling SourceKittenFramework OffsetMap.swift
[75/90] Compiling SourceKittenFramework String+SourceKitten.swift
[76/90] Compiling SourceKittenFramework StringView+SourceKitten.swift
[77/90] Compiling SourceKittenFramework StringView.swift
[78/90] Compiling SourceKittenFramework Structure.swift
[79/90] Compiling SourceKittenFramework SwiftDeclarationAttributeKind.swift
[80/90] Compiling SourceKittenFramework SwiftDeclarationKind.swift
[81/90] Compiling SourceKittenFramework Dictionary+Merge.swift
[82/90] Compiling SourceKittenFramework Documentation.swift
[83/90] Compiling SourceKittenFramework Exec.swift
[84/90] Compiling SourceKittenFramework File+Hashable.swift
[85/90] Compiling SourceKittenFramework File.swift
[86/90] Compiling SourceKittenFramework JSONOutput.swift
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
[0/1] Planning build
Building for debugging...
[0/7] Write swift-version-24593BA9C3E375BF.txt
[2/26] Compiling SWXMLHash shim.swift
[3/26] Compiling Yams String+Yams.swift
[4/26] Compiling Yams Tag.swift
[5/28] Compiling Yams Mark.swift
[6/28] Compiling Yams Node.Mapping.swift
[7/28] Compiling Yams Representer.swift
[8/28] Compiling Yams Resolver.swift
[9/28] Emitting module SWXMLHash
[10/28] Compiling SWXMLHash SWXMLHash.swift
[11/28] Compiling SWXMLHash XMLIndexer+XMLIndexerDeserializable.swift
[12/28] Compiling Yams Node.Scalar.swift
[13/28] Compiling Yams Node.Sequence.swift
[14/28] Compiling Yams Node.swift
[15/28] Compiling Yams Parser.swift
[16/29] Compiling Yams YamlError.swift
[17/29] Compiling Yams shim.swift
[18/29] Emitting module Yams
[19/29] Compiling Yams Emitter.swift
[20/29] Compiling Yams Encoder.swift
[21/29] Wrapping AST for SWXMLHash for debugging
[23/29] Compiling Yams Constructor.swift
[24/29] Compiling Yams Decoder.swift
[25/30] Wrapping AST for Yams for debugging
[27/73] Compiling SourceKittenFramework ByteCount.swift
[28/73] Compiling SourceKittenFramework ByteRange.swift
[29/73] Compiling SourceKittenFramework Clang+SourceKitten.swift
[30/73] Compiling SourceKittenFramework ClangTranslationUnit.swift
[31/73] Compiling SourceKittenFramework CodeCompletionItem.swift
[32/73] Compiling SourceKittenFramework CursorInfo+Parsing.swift
[33/78] Emitting module SourceKittenFramework
[34/78] Compiling SourceKittenFramework library_wrapper.swift
[35/78] Compiling SourceKittenFramework library_wrapper_CXString.swift
[36/78] Compiling SourceKittenFramework library_wrapper_Documentation.swift
[37/78] Compiling SourceKittenFramework library_wrapper_Index.swift
[38/78] Compiling SourceKittenFramework library_wrapper_sourcekitd.swift
[39/78] Compiling SourceKittenFramework Text.swift
[40/78] Compiling SourceKittenFramework UID.swift
[41/78] Compiling SourceKittenFramework UIDRepresentable.swift
[42/78] Compiling SourceKittenFramework Version.swift
[43/78] Compiling SourceKittenFramework Xcode.swift
[44/78] Compiling SourceKittenFramework XcodeBuildSetting.swift
[45/78] Compiling SourceKittenFramework Language.swift
[46/78] Compiling SourceKittenFramework Line.swift
[47/78] Compiling SourceKittenFramework LinuxCompatibility.swift
[48/78] Compiling SourceKittenFramework Module.swift
[49/78] Compiling SourceKittenFramework ObjCDeclarationKind.swift
[50/78] Compiling SourceKittenFramework OffsetMap.swift
[51/78] Compiling SourceKittenFramework Dictionary+Merge.swift
[52/78] Compiling SourceKittenFramework Documentation.swift
[53/78] Compiling SourceKittenFramework Exec.swift
[54/78] Compiling SourceKittenFramework File+Hashable.swift
[55/78] Compiling SourceKittenFramework File.swift
[56/78] Compiling SourceKittenFramework JSONOutput.swift
[57/78] Compiling SourceKittenFramework Parameter.swift
[58/78] Compiling SourceKittenFramework Request.swift
[59/78] Compiling SourceKittenFramework SourceDeclaration.swift
[60/78] Compiling SourceKittenFramework SourceKitObject.swift
[61/78] Compiling SourceKittenFramework SourceLocation.swift
[62/78] Compiling SourceKittenFramework StatementKind.swift
[63/78] Compiling SourceKittenFramework SwiftDocKey.swift
/host/spi-builder-workspace/.build/checkouts/SourceKitten/Source/SourceKittenFramework/SwiftDocs.swift:35:13: error: cannot find 'fputs' in scope
33 |             )
34 |         } catch let error as Request.Error {
35 |             fputs(error.description, stderr)
   |             `- error: cannot find 'fputs' in scope
36 |             return nil
37 |         } catch {
/host/spi-builder-workspace/.build/checkouts/SourceKitten/Source/SourceKittenFramework/SwiftDocs.swift:35:38: error: cannot find 'stderr' in scope
33 |             )
34 |         } catch let error as Request.Error {
35 |             fputs(error.description, stderr)
   |                                      `- error: cannot find 'stderr' in scope
36 |             return nil
37 |         } catch {
[64/78] Compiling SourceKittenFramework SwiftDocs.swift
/host/spi-builder-workspace/.build/checkouts/SourceKitten/Source/SourceKittenFramework/SwiftDocs.swift:35:13: error: cannot find 'fputs' in scope
33 |             )
34 |         } catch let error as Request.Error {
35 |             fputs(error.description, stderr)
   |             `- error: cannot find 'fputs' in scope
36 |             return nil
37 |         } catch {
/host/spi-builder-workspace/.build/checkouts/SourceKitten/Source/SourceKittenFramework/SwiftDocs.swift:35:38: error: cannot find 'stderr' in scope
33 |             )
34 |         } catch let error as Request.Error {
35 |             fputs(error.description, stderr)
   |                                      `- error: cannot find 'stderr' in scope
36 |             return nil
37 |         } catch {
[65/78] Compiling SourceKittenFramework SwiftVersion.swift
/host/spi-builder-workspace/.build/checkouts/SourceKitten/Source/SourceKittenFramework/SwiftDocs.swift:35:13: error: cannot find 'fputs' in scope
33 |             )
34 |         } catch let error as Request.Error {
35 |             fputs(error.description, stderr)
   |             `- error: cannot find 'fputs' in scope
36 |             return nil
37 |         } catch {
/host/spi-builder-workspace/.build/checkouts/SourceKitten/Source/SourceKittenFramework/SwiftDocs.swift:35:38: error: cannot find 'stderr' in scope
33 |             )
34 |         } catch let error as Request.Error {
35 |             fputs(error.description, stderr)
   |                                      `- error: cannot find 'stderr' in scope
36 |             return nil
37 |         } catch {
[66/78] Compiling SourceKittenFramework SyntaxKind.swift
/host/spi-builder-workspace/.build/checkouts/SourceKitten/Source/SourceKittenFramework/SwiftDocs.swift:35:13: error: cannot find 'fputs' in scope
33 |             )
34 |         } catch let error as Request.Error {
35 |             fputs(error.description, stderr)
   |             `- error: cannot find 'fputs' in scope
36 |             return nil
37 |         } catch {
/host/spi-builder-workspace/.build/checkouts/SourceKitten/Source/SourceKittenFramework/SwiftDocs.swift:35:38: error: cannot find 'stderr' in scope
33 |             )
34 |         } catch let error as Request.Error {
35 |             fputs(error.description, stderr)
   |                                      `- error: cannot find 'stderr' in scope
36 |             return nil
37 |         } catch {
[67/78] Compiling SourceKittenFramework SyntaxMap.swift
/host/spi-builder-workspace/.build/checkouts/SourceKitten/Source/SourceKittenFramework/SwiftDocs.swift:35:13: error: cannot find 'fputs' in scope
33 |             )
34 |         } catch let error as Request.Error {
35 |             fputs(error.description, stderr)
   |             `- error: cannot find 'fputs' in scope
36 |             return nil
37 |         } catch {
/host/spi-builder-workspace/.build/checkouts/SourceKitten/Source/SourceKittenFramework/SwiftDocs.swift:35:38: error: cannot find 'stderr' in scope
33 |             )
34 |         } catch let error as Request.Error {
35 |             fputs(error.description, stderr)
   |                                      `- error: cannot find 'stderr' in scope
36 |             return nil
37 |         } catch {
[68/78] Compiling SourceKittenFramework SyntaxToken.swift
/host/spi-builder-workspace/.build/checkouts/SourceKitten/Source/SourceKittenFramework/SwiftDocs.swift:35:13: error: cannot find 'fputs' in scope
33 |             )
34 |         } catch let error as Request.Error {
35 |             fputs(error.description, stderr)
   |             `- error: cannot find 'fputs' in scope
36 |             return nil
37 |         } catch {
/host/spi-builder-workspace/.build/checkouts/SourceKitten/Source/SourceKittenFramework/SwiftDocs.swift:35:38: error: cannot find 'stderr' in scope
33 |             )
34 |         } catch let error as Request.Error {
35 |             fputs(error.description, stderr)
   |                                      `- error: cannot find 'stderr' in scope
36 |             return nil
37 |         } catch {
[69/78] Compiling SourceKittenFramework String+SourceKitten.swift
[70/78] Compiling SourceKittenFramework StringView+SourceKitten.swift
[71/78] Compiling SourceKittenFramework StringView.swift
[72/78] Compiling SourceKittenFramework Structure.swift
[73/78] Compiling SourceKittenFramework SwiftDeclarationAttributeKind.swift
[74/78] Compiling SourceKittenFramework SwiftDeclarationKind.swift
BUILD FAILURE 6.1 linux