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Build Information

Failed to build Flock, reference master (d61e7f), with Swift 6.2 (beta) for Linux on 17 Jun 2025 13:13:38 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.2-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.64.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/jakeheis/flock.git
Reference: master
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/jakeheis/flock
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at d61e7fd Update README
Cloned https://github.com/jakeheis/flock.git
Revision (git rev-parse @):
d61e7fd3ef4f731382fca192976682953784be13
SUCCESS checkout https://github.com/jakeheis/flock.git at master
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.2
Building package at path:  $PWD
https://github.com/jakeheis/flock.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.2-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.2-latest: Pulling from finestructure/spi-images
Digest: sha256:f81a7bd7aa87a0f81848d48c5bcc03f5f78deebd37fa5f9be9913077205d3687
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.2-latest
Fetching https://github.com/onevcat/Rainbow
Fetching https://github.com/jakeheis/SwiftCLI
Fetching https://github.com/yonaskolb/Beak
Fetching https://github.com/jakeheis/Shout
[1/1196] Fetching rainbow
[851/6270] Fetching rainbow, swiftcli
[1806/11396] Fetching rainbow, swiftcli, beak
[4250/12130] Fetching rainbow, swiftcli, beak, shout
Fetched https://github.com/onevcat/Rainbow from cache (0.38s)
[6980/10934] Fetching swiftcli, beak, shout
Fetched https://github.com/jakeheis/Shout from cache (0.43s)
[6459/10200] Fetching swiftcli, beak
Fetched https://github.com/jakeheis/SwiftCLI from cache (5.69s)
Fetched https://github.com/yonaskolb/Beak from cache (5.96s)
Computing version for https://github.com/yonaskolb/Beak
Computed https://github.com/yonaskolb/Beak at 0.5.1 (9.55s)
Fetching https://github.com/jpsim/SourceKitten
Fetching https://github.com/kylef/PathKit.git
Fetching https://github.com/kylef/Spectre.git
[1/1411] Fetching pathkit
[1412/2432] Fetching pathkit, spectre
[2433/18576] Fetching pathkit, spectre, sourcekitten
Fetched https://github.com/kylef/PathKit.git from cache (0.42s)
[12484/17165] Fetching spectre, sourcekitten
Fetched https://github.com/kylef/Spectre.git from cache (0.44s)
[11947/16144] Fetching sourcekitten
Fetched https://github.com/jpsim/SourceKitten from cache (1.92s)
Computing version for https://github.com/kylef/PathKit.git
Computed https://github.com/kylef/PathKit.git at 0.9.2 (4.41s)
Computing version for https://github.com/kylef/Spectre.git
Computed https://github.com/kylef/Spectre.git at 0.9.2 (0.40s)
Computing version for https://github.com/jakeheis/SwiftCLI
Computed https://github.com/jakeheis/SwiftCLI at 5.3.3 (0.36s)
Computing version for https://github.com/onevcat/Rainbow
Computed https://github.com/onevcat/Rainbow at 3.2.0 (0.47s)
Computing version for https://github.com/jakeheis/Shout
Computed https://github.com/jakeheis/Shout at 0.5.7 (0.38s)
Fetching https://github.com/IBM-Swift/BlueSocket
[1/2942] Fetching bluesocket
Fetched https://github.com/IBM-Swift/BlueSocket from cache (0.46s)
Computing version for https://github.com/IBM-Swift/BlueSocket
Computed https://github.com/IBM-Swift/BlueSocket at 1.0.200 (1.15s)
Computing version for https://github.com/jpsim/SourceKitten
Computed https://github.com/jpsim/SourceKitten at 0.37.2 (0.79s)
Fetching https://github.com/apple/swift-argument-parser.git
Fetching https://github.com/jpsim/Yams.git
Fetching https://github.com/drmohundro/SWXMLHash.git
[1/2820] Fetching swxmlhash
[2821/13679] Fetching swxmlhash, yams
[3582/29059] Fetching swxmlhash, yams, swift-argument-parser
Fetched https://github.com/drmohundro/SWXMLHash.git from cache (0.60s)
[1286/26239] Fetching yams, swift-argument-parser
Fetched https://github.com/apple/swift-argument-parser.git from cache (2.24s)
Fetched https://github.com/jpsim/Yams.git from cache (2.33s)
Computing version for https://github.com/jpsim/Yams.git
Computed https://github.com/jpsim/Yams.git at 6.0.1 (3.05s)
Computing version for https://github.com/drmohundro/SWXMLHash.git
Computed https://github.com/drmohundro/SWXMLHash.git at 7.0.2 (3.55s)
Computing version for https://github.com/apple/swift-argument-parser.git
Computed https://github.com/apple/swift-argument-parser.git at 1.5.1 (0.43s)
Creating working copy for https://github.com/jpsim/SourceKitten
Working copy of https://github.com/jpsim/SourceKitten resolved at 0.37.2
Creating working copy for https://github.com/onevcat/Rainbow
Working copy of https://github.com/onevcat/Rainbow resolved at 3.2.0
Creating working copy for https://github.com/drmohundro/SWXMLHash.git
Working copy of https://github.com/drmohundro/SWXMLHash.git resolved at 7.0.2
Creating working copy for https://github.com/kylef/PathKit.git
Working copy of https://github.com/kylef/PathKit.git resolved at 0.9.2
Creating working copy for https://github.com/jakeheis/Shout
Working copy of https://github.com/jakeheis/Shout resolved at 0.5.7
Creating working copy for https://github.com/yonaskolb/Beak
Working copy of https://github.com/yonaskolb/Beak resolved at 0.5.1
Creating working copy for https://github.com/kylef/Spectre.git
Working copy of https://github.com/kylef/Spectre.git resolved at 0.9.2
Creating working copy for https://github.com/jakeheis/SwiftCLI
Working copy of https://github.com/jakeheis/SwiftCLI resolved at 5.3.3
Creating working copy for https://github.com/jpsim/Yams.git
Working copy of https://github.com/jpsim/Yams.git resolved at 6.0.1
Creating working copy for https://github.com/apple/swift-argument-parser.git
Working copy of https://github.com/apple/swift-argument-parser.git resolved at 1.5.1
Creating working copy for https://github.com/IBM-Swift/BlueSocket
Working copy of https://github.com/IBM-Swift/BlueSocket resolved at 1.0.200
warning: couldn't find pc file for libssh2
warning: couldn't find pc file for libssh2
[1/1] Compiling plugin GenerateManual
Building for debugging...
[1/31] Write sources
[12/31] Compiling SourceKit SourceKit.c
[13/31] Compiling Clang_C Clang_C.c
[14/31] Compiling writer.c
[15/31] Compiling reader.c
[16/31] Write swift-version-24593BA9C3E375BF.txt
[17/31] Compiling parser.c
[18/32] Compiling api.c
[19/93] Compiling emitter.c
[20/93] Compiling scanner.c
[22/113] Emitting module PathKit
[23/113] Compiling Rainbow String+Rainbow.swift
[24/114] Emitting module Rainbow
[25/114] Compiling Yams Decoder.swift
[26/114] Compiling Yams Emitter.swift
[27/114] Compiling Rainbow StringGenerator.swift
[28/114] Compiling Yams Tag.swift
[29/114] Compiling Yams YamlAnchorProviding.swift
[30/116] Compiling Yams AliasDereferencingStrategy.swift
[31/116] Compiling Yams Anchor.swift
[32/116] Compiling Yams Constructor.swift
[33/118] Compiling Rainbow Style.swift
[34/118] Compiling Rainbow XcodeColorsSupport.swift
[35/118] Compiling SwiftCLI ValueBox.swift
[36/118] Compiling SwiftCLI VersionCommand.swift
[37/118] Compiling Yams Encoder.swift
[39/118] Compiling Yams YamlError.swift
[45/118] Compiling Rainbow Rainbow.swift
[46/119] Compiling Yams Resolver.swift
[47/119] Compiling Yams String+Yams.swift
[48/119] Compiling Yams Parser.swift
[49/119] Compiling Yams Mark.swift
[50/119] Compiling Yams Node.Alias.swift
[51/119] Compiling Yams Node.Mapping.swift
[52/119] Compiling Socket SocketProtocols.swift
[53/119] Compiling Socket SocketUtils.swift
[59/122] Emitting module SWXMLHash
[67/122] Compiling Yams Node.Scalar.swift
[68/122] Compiling Yams Node.Sequence.swift
[69/122] Compiling Yams Node.swift
[70/122] Compiling Yams RedundancyAliasingStrategy.swift
[71/122] Compiling Yams Representer.swift
[73/122] Emitting module SwiftCLI
[97/123] Compiling SWXMLHash XMLHash.swift
[104/123] Emitting module Yams
[107/123] Wrapping AST for Rainbow for debugging
[108/124] Wrapping AST for SwiftCLI for debugging
[111/124] Compiling PathKit PathKit.swift
[111/125] Wrapping AST for Yams for debugging
[113/125] Wrapping AST for PathKit for debugging
[115/125] Compiling Socket Socket.swift
[116/125] Emitting module Socket
[117/126] Compiling SWXMLHash XMLHashOptions.swift
[118/126] Compiling SWXMLHash XMLIndexer.swift
[119/126] Compiling SWXMLHash shim.swift
[121/138] Wrapping AST for SWXMLHash for debugging
[123/181] Compiling SourceKittenFramework CodeCompletionItem.swift
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "shim.h"
  |          `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/.build/checkouts/Shout/Sources/CSSH/shim.h:4:10: error: 'libssh2.h' file not found
2 | #define __CLIBSSH_SHIM_H__
3 |
4 | #include <libssh2.h>
  |          `- error: 'libssh2.h' file not found
5 | #include <libssh2_sftp.h>
6 | #include <libssh2_publickey.h>
/host/spi-builder-workspace/.build/checkouts/Shout/Sources/Shout/Agent.swift:8:8: error: could not build C module 'CSSH'
 6 | //
 7 |
 8 | import CSSH
   |        `- error: could not build C module 'CSSH'
 9 |
10 | /// Direct bindings to libssh2_agent
[124/181] Compiling SourceKittenFramework CursorInfo+Parsing.swift
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "shim.h"
  |          `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/.build/checkouts/Shout/Sources/CSSH/shim.h:4:10: error: 'libssh2.h' file not found
2 | #define __CLIBSSH_SHIM_H__
3 |
4 | #include <libssh2.h>
  |          `- error: 'libssh2.h' file not found
5 | #include <libssh2_sftp.h>
6 | #include <libssh2_publickey.h>
/host/spi-builder-workspace/.build/checkouts/Shout/Sources/Shout/Agent.swift:8:8: error: could not build C module 'CSSH'
 6 | //
 7 |
 8 | import CSSH
   |        `- error: could not build C module 'CSSH'
 9 |
10 | /// Direct bindings to libssh2_agent
error: emit-module command failed with exit code 1 (use -v to see invocation)
[125/181] Compiling SourceKittenFramework Clang+SourceKitten.swift
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "shim.h"
  |          `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/.build/checkouts/Shout/Sources/CSSH/shim.h:4:10: error: 'libssh2.h' file not found
2 | #define __CLIBSSH_SHIM_H__
3 |
4 | #include <libssh2.h>
  |          `- error: 'libssh2.h' file not found
5 | #include <libssh2_sftp.h>
6 | #include <libssh2_publickey.h>
/host/spi-builder-workspace/.build/checkouts/Shout/Sources/Shout/Agent.swift:8:8: error: could not build C module 'CSSH'
 6 | //
 7 |
 8 | import CSSH
   |        `- error: could not build C module 'CSSH'
 9 |
10 | /// Direct bindings to libssh2_agent
[126/181] Compiling SourceKittenFramework ClangTranslationUnit.swift
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "shim.h"
  |          `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/.build/checkouts/Shout/Sources/CSSH/shim.h:4:10: error: 'libssh2.h' file not found
2 | #define __CLIBSSH_SHIM_H__
3 |
4 | #include <libssh2.h>
  |          `- error: 'libssh2.h' file not found
5 | #include <libssh2_sftp.h>
6 | #include <libssh2_publickey.h>
/host/spi-builder-workspace/.build/checkouts/Shout/Sources/Shout/Agent.swift:8:8: error: could not build C module 'CSSH'
 6 | //
 7 |
 8 | import CSSH
   |        `- error: could not build C module 'CSSH'
 9 |
10 | /// Direct bindings to libssh2_agent
[127/181] Emitting module Shout
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "shim.h"
  |          `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/.build/checkouts/Shout/Sources/CSSH/shim.h:4:10: error: 'libssh2.h' file not found
2 | #define __CLIBSSH_SHIM_H__
3 |
4 | #include <libssh2.h>
  |          `- error: 'libssh2.h' file not found
5 | #include <libssh2_sftp.h>
6 | #include <libssh2_publickey.h>
/host/spi-builder-workspace/.build/checkouts/Shout/Sources/Shout/Agent.swift:8:8: error: could not build C module 'CSSH'
 6 | //
 7 |
 8 | import CSSH
   |        `- error: could not build C module 'CSSH'
 9 |
10 | /// Direct bindings to libssh2_agent
[128/181] Compiling SourceKittenFramework ByteCount.swift
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "shim.h"
  |          `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/.build/checkouts/Shout/Sources/CSSH/shim.h:4:10: error: 'libssh2.h' file not found
2 | #define __CLIBSSH_SHIM_H__
3 |
4 | #include <libssh2.h>
  |          `- error: 'libssh2.h' file not found
5 | #include <libssh2_sftp.h>
6 | #include <libssh2_publickey.h>
/host/spi-builder-workspace/.build/checkouts/Shout/Sources/Shout/Agent.swift:8:8: error: could not build C module 'CSSH'
 6 | //
 7 |
 8 | import CSSH
   |        `- error: could not build C module 'CSSH'
 9 |
10 | /// Direct bindings to libssh2_agent
[129/181] Compiling SourceKittenFramework ByteRange.swift
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "shim.h"
  |          `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/.build/checkouts/Shout/Sources/CSSH/shim.h:4:10: error: 'libssh2.h' file not found
2 | #define __CLIBSSH_SHIM_H__
3 |
4 | #include <libssh2.h>
  |          `- error: 'libssh2.h' file not found
5 | #include <libssh2_sftp.h>
6 | #include <libssh2_publickey.h>
/host/spi-builder-workspace/.build/checkouts/Shout/Sources/Shout/Agent.swift:8:8: error: could not build C module 'CSSH'
 6 | //
 7 |
 8 | import CSSH
   |        `- error: could not build C module 'CSSH'
 9 |
10 | /// Direct bindings to libssh2_agent
[130/182] Compiling Shout Session.swift
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "shim.h"
  |          `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/.build/checkouts/Shout/Sources/CSSH/shim.h:4:10: error: 'libssh2.h' file not found
2 | #define __CLIBSSH_SHIM_H__
3 |
4 | #include <libssh2.h>
  |          `- error: 'libssh2.h' file not found
5 | #include <libssh2_sftp.h>
6 | #include <libssh2_publickey.h>
/host/spi-builder-workspace/.build/checkouts/Shout/Sources/Shout/Agent.swift:8:8: error: could not build C module 'CSSH'
 6 | //
 7 |
 8 | import CSSH
   |        `- error: could not build C module 'CSSH'
 9 |
10 | /// Direct bindings to libssh2_agent
[131/182] Compiling SourceKittenFramework SyntaxToken.swift
[132/182] Compiling SourceKittenFramework Text.swift
[133/182] Compiling SourceKittenFramework UID.swift
[134/182] Compiling SourceKittenFramework UIDRepresentable.swift
[135/182] Compiling SourceKittenFramework UncheckedSendable.swift
[136/182] Compiling SourceKittenFramework Version.swift
[143/188] Emitting module SourceKittenFramework
[144/188] Compiling SourceKittenFramework SwiftDeclarationKind.swift
[145/188] Compiling SourceKittenFramework SwiftDocKey.swift
[146/188] Compiling SourceKittenFramework SwiftDocs.swift
[147/188] Compiling SourceKittenFramework SwiftVersion.swift
[148/188] Compiling SourceKittenFramework SyntaxKind.swift
[149/188] Compiling SourceKittenFramework SyntaxMap.swift
[150/188] Compiling SourceKittenFramework Dictionary+Merge.swift
[151/188] Compiling SourceKittenFramework Documentation.swift
[152/188] Compiling SourceKittenFramework Exec.swift
[153/188] Compiling SourceKittenFramework File+Hashable.swift
[154/188] Compiling SourceKittenFramework File.swift
[155/188] Compiling SourceKittenFramework JSONOutput.swift
[156/188] Compiling SourceKittenFramework StatementKind.swift
[157/188] Compiling SourceKittenFramework String+SourceKitten.swift
[158/188] Compiling SourceKittenFramework StringView+SourceKitten.swift
[159/188] Compiling SourceKittenFramework StringView.swift
[160/188] Compiling SourceKittenFramework Structure.swift
[161/188] Compiling SourceKittenFramework SwiftDeclarationAttributeKind.swift
[162/188] Compiling SourceKittenFramework OffsetMap.swift
[163/188] Compiling SourceKittenFramework Parameter.swift
[164/188] Compiling SourceKittenFramework Request.swift
[165/188] Compiling SourceKittenFramework SourceDeclaration.swift
[166/188] Compiling SourceKittenFramework SourceKitObject.swift
[167/188] Compiling SourceKittenFramework SourceLocation.swift
[168/188] Compiling SourceKittenFramework Language.swift
[169/188] Compiling SourceKittenFramework LibraryWrapperGenerator.swift
[170/188] Compiling SourceKittenFramework Line.swift
[171/188] Compiling SourceKittenFramework LinuxCompatibility.swift
[172/188] Compiling SourceKittenFramework Module.swift
[173/188] Compiling SourceKittenFramework ObjCDeclarationKind.swift
[174/188] Compiling SourceKittenFramework WindowsError.swift
[175/188] Compiling SourceKittenFramework Xcode.swift
[176/188] Compiling SourceKittenFramework XcodeBuildSetting.swift
[177/188] Compiling SourceKittenFramework library_wrapper.swift
[178/188] Compiling SourceKittenFramework library_wrapper_Clang_C.swift
[179/188] Compiling SourceKittenFramework library_wrapper_SourceKit.swift
[180/189] Wrapping AST for SourceKittenFramework for debugging
[182/198] Compiling Shout SSH.swift
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "shim.h"
  |          `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/.build/checkouts/Shout/Sources/CSSH/shim.h:4:10: error: 'libssh2.h' file not found
2 | #define __CLIBSSH_SHIM_H__
3 |
4 | #include <libssh2.h>
  |          `- error: 'libssh2.h' file not found
5 | #include <libssh2_sftp.h>
6 | #include <libssh2_publickey.h>
/host/spi-builder-workspace/.build/checkouts/Shout/Sources/Shout/Agent.swift:8:8: error: could not build C module 'CSSH'
 6 | //
 7 |
 8 | import CSSH
   |        `- error: could not build C module 'CSSH'
 9 |
10 | /// Direct bindings to libssh2_agent
[183/198] Compiling Shout SSHError.swift
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "shim.h"
  |          `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/.build/checkouts/Shout/Sources/CSSH/shim.h:4:10: error: 'libssh2.h' file not found
2 | #define __CLIBSSH_SHIM_H__
3 |
4 | #include <libssh2.h>
  |          `- error: 'libssh2.h' file not found
5 | #include <libssh2_sftp.h>
6 | #include <libssh2_publickey.h>
/host/spi-builder-workspace/.build/checkouts/Shout/Sources/Shout/Agent.swift:8:8: error: could not build C module 'CSSH'
 6 | //
 7 |
 8 | import CSSH
   |        `- error: could not build C module 'CSSH'
 9 |
10 | /// Direct bindings to libssh2_agent
[184/198] Compiling Shout SSHAuthMethod.swift
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "shim.h"
  |          `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/.build/checkouts/Shout/Sources/CSSH/shim.h:4:10: error: 'libssh2.h' file not found
2 | #define __CLIBSSH_SHIM_H__
3 |
4 | #include <libssh2.h>
  |          `- error: 'libssh2.h' file not found
5 | #include <libssh2_sftp.h>
6 | #include <libssh2_publickey.h>
/host/spi-builder-workspace/.build/checkouts/Shout/Sources/Shout/Agent.swift:8:8: error: could not build C module 'CSSH'
 6 | //
 7 |
 8 | import CSSH
   |        `- error: could not build C module 'CSSH'
 9 |
10 | /// Direct bindings to libssh2_agent
[185/198] Compiling Shout SFTP.swift
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "shim.h"
  |          `- note: in file included from <module-includes>:1:
2 |
/host/spi-builder-workspace/.build/checkouts/Shout/Sources/CSSH/shim.h:4:10: error: 'libssh2.h' file not found
2 | #define __CLIBSSH_SHIM_H__
3 |
4 | #include <libssh2.h>
  |          `- error: 'libssh2.h' file not found
5 | #include <libssh2_sftp.h>
6 | #include <libssh2_publickey.h>
/host/spi-builder-workspace/.build/checkouts/Shout/Sources/Shout/Agent.swift:8:8: error: could not build C module 'CSSH'
 6 | //
 7 |
 8 | import CSSH
   |        `- error: could not build C module 'CSSH'
 9 |
10 | /// Direct bindings to libssh2_agent
[186/198] Compiling BeakCore SourceKit.swift
/host/spi-builder-workspace/.build/checkouts/Beak/Sources/BeakCore/SourceKit.swift:86:72: error: reference to member 'substringWithByteRange' cannot be resolved without a contextual type
84 |
85 |     func extract(from source: [String: SourceKitRepresentable], contents: String) -> String? {
86 |         let substring = range(for: source).flatMap { contents.bridge().substringWithByteRange(start: Int($0.offset), length: Int($0.length)) }
   |                                                                        `- error: reference to member 'substringWithByteRange' cannot be resolved without a contextual type
87 |         return substring?.isEmpty == true ? nil : substring?.trimmingCharacters(in: .whitespacesAndNewlines)
88 |     }
/host/spi-builder-workspace/.build/checkouts/Beak/Sources/BeakCore/SourceKit.swift:87:86: error: cannot infer contextual base in reference to member 'whitespacesAndNewlines'
85 |     func extract(from source: [String: SourceKitRepresentable], contents: String) -> String? {
86 |         let substring = range(for: source).flatMap { contents.bridge().substringWithByteRange(start: Int($0.offset), length: Int($0.length)) }
87 |         return substring?.isEmpty == true ? nil : substring?.trimmingCharacters(in: .whitespacesAndNewlines)
   |                                                                                      `- error: cannot infer contextual base in reference to member 'whitespacesAndNewlines'
88 |     }
89 | }
[187/198] Compiling BeakCore String.swift
[188/199] Compiling BeakCore PackageManager.swift
[189/199] Compiling BeakCore FunctionParser.swift
[190/199] Compiling BeakCore Function.swift
BUILD FAILURE 6.2 linux