SwiftZlib – Build Information – Swift Package Index

Build Information

Successful build of SwiftZlib, reference main (4b5538), with Swift 6.4 for macOS (SPM) on 23 Sep 2026 01:18:48 UTC.

Swift 6 data race errors: 0

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Kosikowski/swift-zlib.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Kosikowski/swift-zlib
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 4b5538d Bump actions/checkout from 5 to 6 (#24)
Cloned https://github.com/Kosikowski/swift-zlib.git
Revision (git rev-parse @):
4b5538df3f457c1180895f81ae180d4016ae1dcc
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/Kosikowski/swift-zlib.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/Kosikowski/swift-zlib.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Pre-planning 1 / 125]
[Planning deferred tasks]
[28 / 77]
[39 / 78] SwiftZlib
[46 / 89] CZLib
[53 / 89] CZLib
[58 / 92]
[70 / 92]
[76 / 130]
[86 / 139]
[91 / 139]
[95 / 139]
[97 / 139]
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[106 / 139]
[109 / 139]
[111 / 139]
[112 / 139]
[123 / 139] SwiftZlib
[124 / 139] SwiftZlib
[135 / 140] SwiftZlibCLI-product
[137 / 142] SwiftZlibCLI-product
[138 / 142] SwiftZlibCLI-product
[140 / 142] SwiftZlibCLI-product
Build complete! (9.78 sec)
[1m/Users/admin/builder/spi-builder-workspace/Sources/CZLib/crc32.c:622:39: [0m[0;1;35mwarning: [0m[1mimplicit conversion loses integer precision: 'unsigned long' to 'z_crc_t' (aka 'unsigned int') [-Wshorten-64-to-32][0m
  622 |         crc = multmodp(Z_BATCH_ZEROS, crc) ^ crc1;[0m
      | [0;1;32m              ~~~~~~~~                ^~~
[0m[1m/Users/admin/builder/spi-builder-workspace/Sources/CZLib/crc32.c:623:39: [0m[0;1;35mwarning: [0m[1mimplicit conversion loses integer precision: 'unsigned long' to 'z_crc_t' (aka 'unsigned int') [-Wshorten-64-to-32][0m
  623 |         crc = multmodp(Z_BATCH_ZEROS, crc) ^ crc2;[0m
      | [0;1;32m              ~~~~~~~~                ^~~
[0m[1m/Users/admin/builder/spi-builder-workspace/Sources/CZLib/crc32.c:644:29: [0m[0;1;35mwarning: [0m[1mimplicit conversion loses integer precision: 'unsigned long' to 'z_crc_t' (aka 'unsigned int') [-Wshorten-64-to-32][0m
  644 |         crc = multmodp(val, crc) ^ crc1;[0m
      | [0;1;32m              ~~~~~~~~      ^~~
[0m[1m/Users/admin/builder/spi-builder-workspace/Sources/CZLib/crc32.c:645:29: [0m[0;1;35mwarning: [0m[1mimplicit conversion loses integer precision: 'unsigned long' to 'z_crc_t' (aka 'unsigned int') [-Wshorten-64-to-32][0m
  645 |         crc = multmodp(val, crc) ^ crc2;[0m
      | [0;1;32m              ~~~~~~~~      ^~~
[0m[1m/Users/admin/builder/spi-builder-workspace/Sources/CZLib/crc32.c:1025:39: [0m[0;1;35mwarning: [0m[1mimplicit conversion loses integer precision: 'uLong' (aka 'unsigned long') to 'z_crc_t' (aka 'unsigned int') [-Wshorten-64-to-32][0m
 1025 |     return multmodp(x2nmodp(len2, 3), crc1) ^ (crc2 & 0xffffffff);[0m
      | [0;1;32m           ~~~~~~~~                   ^~~~
[0m[1m/Users/admin/builder/spi-builder-workspace/Sources/CZLib/crc32.c:1048:25: [0m[0;1;35mwarning: [0m[1mimplicit conversion loses integer precision: 'uLong' (aka 'unsigned long') to 'z_crc_t' (aka 'unsigned int') [-Wshorten-64-to-32][0m
 1048 |     return multmodp(op, crc1) ^ (crc2 & 0xffffffff);[0m
      | [0;1;32m           ~~~~~~~~     ^~~~
[0m[1m/Users/admin/builder/spi-builder-workspace/Sources/CZLib/crc32.c:1048:21: [0m[0;1;35mwarning: [0m[1mimplicit conversion loses integer precision: 'uLong' (aka 'unsigned long') to 'z_crc_t' (aka 'unsigned int') [-Wshorten-64-to-32][0m
 1048 |     return multmodp(op, crc1) ^ (crc2 & 0xffffffff);[0m
      | [0;1;32m           ~~~~~~~~ ^~
[0m7 warnings generated.
[1m/Users/admin/builder/spi-builder-workspace/Sources/CZLib/deflate.c:716:33: [0m[0;1;35mwarning: [0m[1mimplicit conversion loses integer precision: 'ulg' (aka 'unsigned long') to 'unsigned int' [-Wshorten-64-to-32][0m
  716 |         *pending = strm->state->pending;[0m
      | [0;1;32m                 ~ ~~~~~~~~~~~~~^~~~~~~
[0m[1m/Users/admin/builder/spi-builder-workspace/Sources/CZLib/deflate.c:920:14: [0m[0;1;35mwarning: [0m[1mimplicit conversion loses integer precision: 'ulg' (aka 'unsigned long') to 'unsigned int' [-Wshorten-64-to-32][0m
  920 |     len = s->pending;[0m
      | [0;1;32m        ~ ~~~^~~~~~~
[0m[1m/Users/admin/builder/spi-builder-workspace/Sources/CZLib/deflate.c:1077:40: [0m[0;1;35mwarning: [0m[1mimplicit conversion loses integer precision: 'ulg' (aka 'unsigned long') to 'uInt' (aka 'unsigned int') [-Wshorten-64-to-32][0m
 1076 |                 strm->adler = crc32(strm->adler, s->pending_buf,[0m
      | [0;1;32m                              ~~~~~
[0m 1077 |                                     s->pending);[0m
      | [0;1;32m                                    ~~~^~~~~~~
[0m[1m/Users/admin/builder/spi-builder-workspace/Sources/CZLib/deflate.c:1085:57: [0m[0;1;35mwarning: [0m[1mimplicit conversion loses integer precision: 'ulg' (aka 'unsigned long') to 'uInt' (aka 'unsigned int') [-Wshorten-64-to-32][0m
 1085 |             uInt left = (s->gzhead->extra_len & 0xffff) - s->gzindex;[0m
      | [0;1;32m                 ~~~~   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
[0m[1m/Users/admin/builder/spi-builder-workspace/Sources/CZLib/deflate.c:1087:49: [0m[0;1;35mwarning: [0m[1mimplicit conversion loses integer precision: 'ulg' (aka 'unsigned long') to 'uInt' (aka 'unsigned int') [-Wshorten-64-to-32][0m
 1087 |                 uInt copy = s->pending_buf_size - s->pending;[0m
      | [0;1;32m                     ~~~~   ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
[0m[1m/Users/admin/builder/spi-builder-workspace/Sources/CZLib/deflate.c:1091:17: [0m[0;1;35mwarning: [0m[1mimplicit conversion loses integer precision: 'ulg' (aka 'unsigned long') to 'uInt' (aka 'unsigned int') [-Wshorten-64-to-32][0m
 1091 |                 HCRC_UPDATE(beg);[0m
      | [0;1;32m                ^~~~~~~~~~~~~~~~
[0m[1m/Users/admin/builder/spi-builder-workspace/Sources/CZLib/deflate.c:942:44: [0m[0;1;36mnote: [0mexpanded from macro 'HCRC_UPDATE'[0m
  941 |             strm->adler = crc32(strm->adler, s->pending_buf + (beg), \[0m
      | [0;1;32m                          ~~~~~
[0m  942 |                                 s->pending - (beg)); \[0m
      | [0;1;32m                                ~~~~~~~~~~~^~~~~~~
[0m[1m/Users/admin/builder/spi-builder-workspace/Sources/CZLib/deflate.c:1104:13: [0m[0;1;35mwarning: [0m[1mimplicit conversion loses integer precision: 'ulg' (aka 'unsigned long') to 'uInt' (aka 'unsigned int') [-Wshorten-64-to-32][0m
 1104 |             HCRC_UPDATE(beg);[0m
      | [0;1;32m            ^~~~~~~~~~~~~~~~
[0m[1m/Users/admin/builder/spi-builder-workspace/Sources/CZLib/deflate.c:942:44: [0m[0;1;36mnote: [0mexpanded from macro 'HCRC_UPDATE'[0m
  941 |             strm->adler = crc32(strm->adler, s->pending_buf + (beg), \[0m
      | [0;1;32m                          ~~~~~
[0m  942 |                                 s->pending - (beg)); \[0m
      | [0;1;32m                                ~~~~~~~~~~~^~~~~~~
[0m[1m/Users/admin/builder/spi-builder-workspace/Sources/CZLib/deflate.c:1115:21: [0m[0;1;35mwarning: [0m[1mimplicit conversion loses integer precision: 'ulg' (aka 'unsigned long') to 'uInt' (aka 'unsigned int') [-Wshorten-64-to-32][0m
 1115 |                     HCRC_UPDATE(beg);[0m
      | [0;1;32m                    ^~~~~~~~~~~~~~~~
[0m[1m/Users/admin/builder/spi-builder-workspace/Sources/CZLib/deflate.c:942:44: [0m[0;1;36mnote: [0mexpanded from macro 'HCRC_UPDATE'[0m
  941 |             strm->adler = crc32(strm->adler, s->pending_buf + (beg), \[0m
      | [0;1;32m                          ~~~~~
[0m  942 |                                 s->pending - (beg)); \[0m
      | [0;1;32m                                ~~~~~~~~~~~^~~~~~~
[0m[1m/Users/admin/builder/spi-builder-workspace/Sources/CZLib/deflate.c:1126:13: [0m[0;1;35mwarning: [0m[1mimplicit conversion loses integer precision: 'ulg' (aka 'unsigned long') to 'uInt' (aka 'unsigned int') [-Wshorten-64-to-32][0m
 1126 |             HCRC_UPDATE(beg);[0m
      | [0;1;32m            ^~~~~~~~~~~~~~~~
[0m[1m/Users/admin/builder/spi-builder-workspace/Sources/CZLib/deflate.c:942:44: [0m[0;1;36mnote: [0mexpanded from macro 'HCRC_UPDATE'[0m
  941 |             strm->adler = crc32(strm->adler, s->pending_buf + (beg), \[0m
      | [0;1;32m                          ~~~~~
[0m  942 |                                 s->pending - (beg)); \[0m
      | [0;1;32m                                ~~~~~~~~~~~^~~~~~~
[0m[1m/Users/admin/builder/spi-builder-workspace/Sources/CZLib/deflate.c:1137:21: [0m[0;1;35mwarning: [0m[1mimplicit conversion loses integer precision: 'ulg' (aka 'unsigned long') to 'uInt' (aka 'unsigned int') [-Wshorten-64-to-32][0m
 1137 |                     HCRC_UPDATE(beg);[0m
      | [0;1;32m                    ^~~~~~~~~~~~~~~~
[0m[1m/Users/admin/builder/spi-builder-workspace/Sources/CZLib/deflate.c:942:44: [0m[0;1;36mnote: [0mexpanded from macro 'HCRC_UPDATE'[0m
  941 |             strm->adler = crc32(strm->adler, s->pending_buf + (beg), \[0m
      | [0;1;32m                          ~~~~~
[0m  942 |                                 s->pending - (beg)); \[0m
      | [0;1;32m                                ~~~~~~~~~~~^~~~~~~
[0m[1m/Users/admin/builder/spi-builder-workspace/Sources/CZLib/deflate.c:1148:13: [0m[0;1;35mwarning: [0m[1mimplicit conversion loses integer precision: 'ulg' (aka 'unsigned long') to 'uInt' (aka 'unsigned int') [-Wshorten-64-to-32][0m
 1148 |             HCRC_UPDATE(beg);[0m
      | [0;1;32m            ^~~~~~~~~~~~~~~~
[0m[1m/Users/admin/builder/spi-builder-workspace/Sources/CZLib/deflate.c:942:44: [0m[0;1;36mnote: [0mexpanded from macro 'HCRC_UPDATE'[0m
  941 |             strm->adler = crc32(strm->adler, s->pending_buf + (beg), \[0m
      | [0;1;32m                          ~~~~~
[0m  942 |                                 s->pending - (beg)); \[0m
      | [0;1;32m                                ~~~~~~~~~~~^~~~~~~
[0m[1m/Users/admin/builder/spi-builder-workspace/Sources/CZLib/deflate.c:1632:50: [0m[0;1;35mwarning: [0m[1mimplicit conversion loses integer precision: 'ulg' (aka 'unsigned long') to 'unsigned int' [-Wshorten-64-to-32][0m
 1632 |     unsigned min_block = MIN(s->pending_buf_size - 5, s->w_size);[0m
      | [0;1;32m             ~~~~~~~~~       ~~~~~~~~~~~~~~~~~~~~^~~
[0m[1m/Users/admin/builder/spi-builder-workspace/Sources/CZLib/deflate.c:1610:39: [0m[0;1;36mnote: [0mexpanded from macro 'MIN'[0m
 1610 | #define MIN(a, b) ((a) > (b) ? (b) : (a))[0m
      | [0;1;32m                                      ^
[0m[1m/Users/admin/builder/spi-builder-workspace/Sources/CZLib/deflate.c:1651:28: [0m[0;1;35mwarning: [0m[1mimplicit conversion loses integer precision: 'long' to 'unsigned int' [-Wshorten-64-to-32][0m
 1651 |         left = s->strstart - s->block_start;    /* bytes left in window */[0m
      | [0;1;32m             ~ ~~~~~~~~~~~~^~~~~~~~~~~~~~~~
[0m[1m/Users/admin/builder/spi-builder-workspace/Sources/CZLib/deflate.c:1757:27: [0m[0;1;35mwarning: [0m[1mimplicit conversion loses integer precision: 'ulg' (aka 'unsigned long') to 'unsigned int' [-Wshorten-64-to-32][0m
 1757 |     have = s->window_size - s->strstart;[0m
      | [0;1;32m         ~ ~~~~~~~~~~~~~~~^~~~~~~~~~~~~
[0m[1m/Users/admin/builder/spi-builder-workspace/Sources/CZLib/deflate.c:1786:36: [0m[0;1;35mwarning: [0m[1mimplicit conversion loses integer precision: 'ulg' (aka 'unsigned long') to 'unsigned int' [-Wshorten-64-to-32][0m
 1786 |     have = MIN(s->pending_buf_size - have, MAX_STORED);[0m
      | [0;1;32m         ~     ~~~~~~~~~~~~~~~~~~~~^~~~~~
[0m[1m/Users/admin/builder/spi-builder-workspace/Sources/CZLib/deflate.c:1610:39: [0m[0;1;36mnote: [0mexpanded from macro 'MIN'[0m
 1610 | #define MIN(a, b) ((a) > (b) ? (b) : (a))[0m
      | [0;1;32m                                      ^
[0m[1m/Users/admin/builder/spi-builder-workspace/Sources/CZLib/deflate.c:1788:24: [0m[0;1;35mwarning: [0m[1mimplicit conversion loses integer precision: 'long' to 'unsigned int' [-Wshorten-64-to-32][0m
 1788 |     left = s->strstart - s->block_start;[0m
      | [0;1;32m         ~ ~~~~~~~~~~~~^~~~~~~~~~~~~~~~
[0m16 warnings generated.
[1m/Users/admin/builder/spi-builder-workspace/Sources/CZLib/gzwrite.c:86:20: [0m[0;1;35mwarning: [0m[1mimplicit conversion loses integer precision: 'ssize_t' (aka 'long') to 'int' [-Wshorten-64-to-32][0m
   86 |             writ = write(state->fd, strm->next_in, put);[0m
      | [0;1;32m                 ~ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[0m[1m/Users/admin/builder/spi-builder-workspace/Sources/CZLib/gzwrite.c:116:24: [0m[0;1;35mwarning: [0m[1mimplicit conversion loses integer precision: 'ssize_t' (aka 'long') to 'int' [-Wshorten-64-to-32][0m
  116 |                 writ = write(state->fd, state->x.next, put);[0m
      | [0;1;32m                     ~ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[0m2 warnings generated.
[1m/Users/admin/builder/spi-builder-workspace/Sources/CZLib/gzread.c:30:15: [0m[0;1;35mwarning: [0m[1mimplicit conversion loses integer precision: 'ssize_t' (aka 'long') to 'int' [-Wshorten-64-to-32][0m
   30 |         ret = read(state->fd, buf + *have, get);[0m
      | [0;1;32m            ~ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[0m1 warning generated.
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "SwiftZlib",
  "name" : "SwiftZlib",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
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          "automatic"
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      }
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    {
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        "SwiftZlibCLI"
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      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwiftZlibTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftZlibTests",
      "path" : "Tests/SwiftZlibTests",
      "sources" : [
        "Advanced/AdvancedFeaturesTests.swift",
        "Advanced/AdvancedUtilityTests.swift",
        "Advanced/AsyncStreamTests.swift",
        "Advanced/DictionaryTests.swift",
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        "Advanced/InflateBackTests.swift",
        "Advanced/PrimeTests.swift",
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        "Core/CompressorTests.swift",
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        "Core/DecompressorTests.swift",
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        "Core/StreamTests.swift",
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        "ErrorHandling/ErrorHandlingTests.swift",
        "Extensions/AdvancedExtensionsTests.swift",
        "Extensions/DataExtensionsTests.swift",
        "Extensions/StringExtensionsTests.swift",
        "FileOperations/FileChunkedCompressorTests.swift",
        "FileOperations/FileOperationsTests.swift",
        "FileOperations/SimpleFileOperationsTests.swift",
        "Performance/PerformanceTests.swift",
        "Streaming/StreamingTests.swift"
      ],
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        "SwiftZlib"
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      "type" : "test"
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    {
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        "API/String+Extensions.swift",
        "API/ZLib+Async.swift",
        "API/ZLib+AsyncStream.swift",
        "API/ZLib+Combine.swift",
        "API/ZLib+File.swift",
        "API/ZLib+FileChunked.swift",
        "API/ZLib+Stream.swift",
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        "Async/AsyncCompressor.swift",
        "Async/AsyncDecompressor.swift",
        "Async/AsyncZLibStream.swift",
        "Async/AsyncZLibStreamBuilder.swift",
        "Core/Compression/Compression.swift",
        "Core/Compression/CompressionLevel.swift",
        "Core/Compression/CompressionMethod.swift",
        "Core/Compression/CompressionPhase.swift",
        "Core/Compression/CompressionStrategy.swift",
        "Core/Compression/Compressor.swift",
        "Core/Compression/Decompressor.swift",
        "Core/Compression/InflateBackDecompressors/BaseInflateBackDecompressor.swift",
        "Core/Compression/InflateBackDecompressors/DecompressorType.swift",
        "Core/Compression/InflateBackDecompressors/EnhancedInflateBackDecompressor.swift",
        "Core/Compression/InflateBackDecompressors/InflateBackDecompressorCBridged.swift",
        "Core/FlushMode.swift",
        "Core/GzipHeader.swift",
        "Core/Logging.swift",
        "Core/MemoryLevel.swift",
        "Core/Stream/StreamingConfig.swift",
        "Core/Stream/StreamingDecompressor.swift",
        "Core/Stream/ZLibStreamBuilder.swift",
        "Core/Timer.swift",
        "Core/WindowBits.swift",
        "Core/ZLibError.swift",
        "Core/ZLibStatus.swift",
        "Core/ZLibStream.swift",
        "FileOperations/ChunkedProcessor.swift",
        "FileOperations/FileChunkedCompressor.swift",
        "FileOperations/FileChunkedDecompressor.swift",
        "FileOperations/FileCompressor.swift",
        "FileOperations/FileDecompressor.swift",
        "FileOperations/FileProcessor.swift",
        "FileOperations/GzipFile.swift",
        "FileOperations/GzipFileError.swift",
        "FileOperations/SimpleFileCompressor.swift",
        "FileOperations/SimpleFileDecompressor.swift"
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      "target_dependencies" : [
        "CZLib"
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    },
    {
      "c99name" : "CZLib",
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        "crc32.c",
        "deflate.c",
        "gzclose.c",
        "gzlib.c",
        "gzread.c",
        "gzwrite.c",
        "infback.c",
        "inffast.c",
        "inflate.c",
        "inftrees.c",
        "trees.c",
        "uncompr.c",
        "zlib_shim.c",
        "zutil.c"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
Done.