The Swift Package Index logo.Swift Package Index

Has it really been five years since Swift Package Index launched? Read our anniversary blog post!

Build Information

Failed to build Slack, reference master (2d8204), with Swift 6.2 (beta) for macOS (SPM) on 18 Jun 2025 00:15:28 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.64.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/twof/slackforvapor.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/twof/slackforvapor
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 2d8204e Adding bot client
Cloned https://github.com/twof/slackforvapor.git
Revision (git rev-parse @):
2d8204ef1519d6762a6b0c333e30b56e0ff93279
SUCCESS checkout https://github.com/twof/slackforvapor.git at master
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.2
Building package at path:  $PWD
https://github.com/twof/slackforvapor.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun swift build --arch arm64
Building for debugging...
[0/43] Write sources
[28/43] Write swift-version-1EA4D86E10B52AF.txt
[29/43] Compiling CNIOZlib empty.c
[29/43] Compiling CNIOLinux ifaddrs-android.c
[31/43] Compiling CNIOLinux shim.c
In file included from /Users/admin/builder/spi-builder-workspace/.build/checkouts/crypto/Sources/CCryptoOpenSSL/shim.c:1:
/Users/admin/builder/spi-builder-workspace/.build/checkouts/crypto/Sources/CCryptoOpenSSL/include/c_crypto_openssl.h:4:10: fatal error: 'openssl/conf.h' file not found
    4 | #include <openssl/conf.h>
      |          ^~~~~~~~~~~~~~~~
1 error generated.
[32/43] Compiling CCryptoOpenSSL shim.c
In file included from /Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio-ssl/Sources/CNIOOpenSSL/helpers.c:14:
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio-ssl/Sources/CNIOOpenSSL/include/c_nio_openssl.h:17:10: fatal error: 'openssl/conf.h' file not found
   17 | #include <openssl/conf.h>
      |          ^~~~~~~~~~~~~~~~
[32/43] Compiling CNIOOpenSSL helpers.c
In file included from /Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio-ssl/Sources/CNIOOpenSSL/shims.c:16:
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio-ssl/Sources/CNIOOpenSSL/include/c_nio_openssl.h:17:10: fatal error: 'openssl/conf.h' file not found
   17 | #include <openssl/conf.h>
      |          ^~~~~~~~~~~~~~~~
[32/43] Compiling CNIODarwin shim.c
[32/43] Compiling CNIOOpenSSL shims.c
[32/43] Compiling c-atomics.c
[32/43] Compiling CNIOHTTPParser c_nio_http_parser.c
[32/43] Compiling CNIOSHA1 c_nio_sha1.c
Fetching https://github.com/vapor/vapor.git
[1/74546] Fetching vapor
Fetched https://github.com/vapor/vapor.git from cache (2.37s)
Computing version for https://github.com/vapor/vapor.git
Computed https://github.com/vapor/vapor.git at 3.3.3 (2.88s)
Fetching https://github.com/vapor/url-encoded-form.git
Fetching https://github.com/vapor/template-kit.git
Fetching https://github.com/vapor/validation.git
Fetching https://github.com/vapor/multipart.git
Fetching https://github.com/vapor/routing.git
Fetching https://github.com/vapor/service.git
Fetching https://github.com/vapor/websocket.git
[1/579] Fetching validation
[19/1498] Fetching validation, service
[65/1879] Fetching validation, service, url-encoded-form
[346/5332] Fetching validation, service, url-encoded-form, multipart
[854/26184] Fetching validation, service, url-encoded-form, multipart, routing
[855/27466] Fetching validation, service, url-encoded-form, multipart, routing, template-kit
Fetched https://github.com/vapor/url-encoded-form.git from cache (0.75s)
[2055/27085] Fetching validation, service, multipart, routing, template-kit
Fetching https://github.com/vapor/http.git
[2534/29694] Fetching validation, service, multipart, routing, template-kit, websocket
Fetched https://github.com/vapor/template-kit.git from cache (0.86s)
Fetching https://github.com/vapor/database-kit.git
[4846/28412] Fetching validation, service, multipart, routing, websocket
[26065/53879] Fetching validation, service, multipart, routing, websocket, http
[26320/55060] Fetching validation, service, multipart, routing, websocket, http, database-kit
Fetched https://github.com/vapor/database-kit.git from cache (0.86s)
[33947/53879] Fetching validation, service, multipart, routing, websocket, http
Fetching https://github.com/vapor/crypto.git
Fetched https://github.com/vapor/service.git from cache (1.81s)
[39972/52960] Fetching validation, multipart, routing, websocket, http
Fetched https://github.com/vapor/websocket.git from cache (1.81s)
Fetched https://github.com/vapor/routing.git from cache (1.81s)
Fetched https://github.com/vapor/multipart.git from cache (1.81s)
Fetched https://github.com/vapor/validation.git from cache (1.81s)
[12989/25467] Fetching http
Fetching https://github.com/vapor/core.git
Fetching https://github.com/vapor/console.git
Fetched https://github.com/vapor/http.git from cache (1.52s)
[1/2786] Fetching crypto
[475/22929] Fetching crypto, core
[504/28947] Fetching crypto, core, console
Fetched https://github.com/vapor/crypto.git from cache (0.98s)
[4177/26161] Fetching core, console
Fetched https://github.com/vapor/console.git from cache (1.02s)
[3022/20143] Fetching core
Fetched https://github.com/vapor/core.git from cache (5.04s)
Computing version for https://github.com/vapor/http.git
Computed https://github.com/vapor/http.git at 3.4.0 (7.38s)
Fetching https://github.com/apple/swift-nio.git
Fetching https://github.com/apple/swift-nio-ssl.git
[1/14890] Fetching swift-nio-ssl
[1788/91217] Fetching swift-nio-ssl, swift-nio
Fetched https://github.com/apple/swift-nio.git from cache (15.49s)
Fetched https://github.com/apple/swift-nio-ssl.git from cache (15.49s)
Computing version for https://github.com/vapor/validation.git
Computed https://github.com/vapor/validation.git at 2.1.1 (16.02s)
Computing version for https://github.com/vapor/service.git
Computed https://github.com/vapor/service.git at 1.0.2 (0.49s)
Computing version for https://github.com/apple/swift-nio.git
Computed https://github.com/apple/swift-nio.git at 1.14.4 (0.54s)
Fetching https://github.com/apple/swift-nio-zlib-support.git
[1/15] Fetching swift-nio-zlib-support
Fetched https://github.com/apple/swift-nio-zlib-support.git from cache (0.53s)
Computing version for https://github.com/apple/swift-nio-zlib-support.git
Computed https://github.com/apple/swift-nio-zlib-support.git at 1.0.0 (1.01s)
Computing version for https://github.com/vapor/routing.git
Computed https://github.com/vapor/routing.git at 3.1.0 (0.48s)
Computing version for https://github.com/vapor/websocket.git
Computed https://github.com/vapor/websocket.git at 1.1.2 (0.48s)
Computing version for https://github.com/apple/swift-nio-ssl.git
Computed https://github.com/apple/swift-nio-ssl.git at 1.4.0 (0.48s)
Fetching https://github.com/apple/swift-nio-ssl-support.git
[1/16] Fetching swift-nio-ssl-support
Fetched https://github.com/apple/swift-nio-ssl-support.git from cache (0.50s)
Computing version for https://github.com/apple/swift-nio-ssl-support.git
Computed https://github.com/apple/swift-nio-ssl-support.git at 1.0.0 (0.99s)
Computing version for https://github.com/vapor/crypto.git
Computed https://github.com/vapor/crypto.git at 3.4.1 (0.47s)
Computing version for https://github.com/vapor/console.git
Computed https://github.com/vapor/console.git at 3.1.1 (0.47s)
Computing version for https://github.com/vapor/database-kit.git
Computed https://github.com/vapor/database-kit.git at 1.3.3 (0.48s)
Computing version for https://github.com/vapor/url-encoded-form.git
Computed https://github.com/vapor/url-encoded-form.git at 1.1.0 (0.47s)
Computing version for https://github.com/vapor/template-kit.git
Computed https://github.com/vapor/template-kit.git at 1.5.0 (0.48s)
Computing version for https://github.com/vapor/multipart.git
Computed https://github.com/vapor/multipart.git at 3.1.3 (0.48s)
Computing version for https://github.com/vapor/core.git
Computed https://github.com/vapor/core.git at 3.10.1 (0.48s)
Creating working copy for https://github.com/vapor/template-kit.git
Working copy of https://github.com/vapor/template-kit.git resolved at 1.5.0
Creating working copy for https://github.com/apple/swift-nio.git
Working copy of https://github.com/apple/swift-nio.git resolved at 1.14.4
Creating working copy for https://github.com/vapor/http.git
Working copy of https://github.com/vapor/http.git resolved at 3.4.0
Creating working copy for https://github.com/vapor/validation.git
Working copy of https://github.com/vapor/validation.git resolved at 2.1.1
Creating working copy for https://github.com/vapor/core.git
Working copy of https://github.com/vapor/core.git resolved at 3.10.1
Creating working copy for https://github.com/vapor/multipart.git
Working copy of https://github.com/vapor/multipart.git resolved at 3.1.3
Creating working copy for https://github.com/vapor/url-encoded-form.git
Working copy of https://github.com/vapor/url-encoded-form.git resolved at 1.1.0
Creating working copy for https://github.com/vapor/database-kit.git
Working copy of https://github.com/vapor/database-kit.git resolved at 1.3.3
Creating working copy for https://github.com/apple/swift-nio-ssl.git
Working copy of https://github.com/apple/swift-nio-ssl.git resolved at 1.4.0
Creating working copy for https://github.com/apple/swift-nio-zlib-support.git
Working copy of https://github.com/apple/swift-nio-zlib-support.git resolved at 1.0.0
Creating working copy for https://github.com/vapor/websocket.git
Working copy of https://github.com/vapor/websocket.git resolved at 1.1.2
Creating working copy for https://github.com/vapor/crypto.git
Working copy of https://github.com/vapor/crypto.git resolved at 3.4.1
Creating working copy for https://github.com/vapor/routing.git
Working copy of https://github.com/vapor/routing.git resolved at 3.1.0
Creating working copy for https://github.com/vapor/service.git
Working copy of https://github.com/vapor/service.git resolved at 1.0.2
Creating working copy for https://github.com/vapor/vapor.git
Working copy of https://github.com/vapor/vapor.git resolved at 3.3.3
Creating working copy for https://github.com/vapor/console.git
Working copy of https://github.com/vapor/console.git resolved at 3.1.1
Creating working copy for https://github.com/apple/swift-nio-ssl-support.git
Working copy of https://github.com/apple/swift-nio-ssl-support.git resolved at 1.0.0
warning: 'swift-nio-ssl-support': ignoring declared target(s) 'swift-nio-ssl-support' in the system package
warning: 'swift-nio-zlib-support': ignoring declared target(s) 'swift-nio-zlib-support' in the system package
warning: failed to retrieve search paths with pkg-config; maybe pkg-config is not installed
warning: couldn't find pc file for zlib
warning: you may be able to install openssl using your system-packager:
    brew install libressl
warning: couldn't find pc file for zlib
warning: you may be able to install openssl using your system-packager:
    brew install libressl
BUILD FAILURE 6.2 macosSpm