Build Information
Failed to build swift-json, reference 3.5.2 (7395b3), with Swift 6.2 for macOS (SPM) on 25 Oct 2026 11:07:37 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.3.0.app xcrun swift build --arch arm64Build Log
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RunAll
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Builder version: 5.1.3
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/rarestype/swift-json.git
Reference: 3.5.2
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/rarestype/swift-json
* tag 3.5.2 -> FETCH_HEAD
HEAD is now at 7395b3e [release]: 3.5.2
Cloned https://github.com/rarestype/swift-json.git
Revision (git rev-parse @):
7395b3ea644a513cd3d7a05105238531f806fd84
SUCCESS checkout https://github.com/rarestype/swift-json.git at 3.5.2
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Build
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Selected platform: macosSpm
Swift version: 6.2
Building package at path: $PWD
https://github.com/rarestype/swift-json.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.3.0.app xcrun swift build --arch arm64
[1/1] Compiling plugin DollupPlugin
Building for debugging...
[1/38] Write sources
[21/38] Write swift-version--3CB7CFEC50E0D141.txt
[23/54] Compiling JSONAST JSON.Object.swift
/Users/admin/builder/spi-builder-workspace/Sources/JSONAST/JSON.swift:15:6: error: unknown option 'always' for attribute 'inline'
13 | }
14 | extension JSON {
15 | @inline(always) @inlinable static func hex(_ remainder: UInt8) -> UInt8 {
| `- error: unknown option 'always' for attribute 'inline'
16 | remainder < 10 ? remainder + 0x30 : remainder + 0x37
17 | }
[24/54] Compiling JSONAST JSON.TypecastError.swift
/Users/admin/builder/spi-builder-workspace/Sources/JSONAST/JSON.swift:15:6: error: unknown option 'always' for attribute 'inline'
13 | }
14 | extension JSON {
15 | @inline(always) @inlinable static func hex(_ remainder: UInt8) -> UInt8 {
| `- error: unknown option 'always' for attribute 'inline'
16 | remainder < 10 ? remainder + 0x30 : remainder + 0x37
17 | }
[25/54] Compiling JSONAST JSON.swift
/Users/admin/builder/spi-builder-workspace/Sources/JSONAST/JSON.swift:15:6: error: unknown option 'always' for attribute 'inline'
13 | }
14 | extension JSON {
15 | @inline(always) @inlinable static func hex(_ remainder: UInt8) -> UInt8 {
| `- error: unknown option 'always' for attribute 'inline'
16 | remainder < 10 ? remainder + 0x30 : remainder + 0x37
17 | }
[26/54] Compiling JSONAST JSON.NumericOverflowError.swift
/Users/admin/builder/spi-builder-workspace/Sources/JSONAST/JSON.swift:15:6: error: unknown option 'always' for attribute 'inline'
13 | }
14 | extension JSON {
15 | @inline(always) @inlinable static func hex(_ remainder: UInt8) -> UInt8 {
| `- error: unknown option 'always' for attribute 'inline'
16 | remainder < 10 ? remainder + 0x30 : remainder + 0x37
17 | }
[27/54] Compiling JSONAST JSON.Number.swift
/Users/admin/builder/spi-builder-workspace/Sources/JSONAST/JSON.swift:15:6: error: unknown option 'always' for attribute 'inline'
13 | }
14 | extension JSON {
15 | @inline(always) @inlinable static func hex(_ remainder: UInt8) -> UInt8 {
| `- error: unknown option 'always' for attribute 'inline'
16 | remainder < 10 ? remainder + 0x30 : remainder + 0x37
17 | }
[28/55] Compiling JSONAST JSON.Number.Base10.swift
/Users/admin/builder/spi-builder-workspace/Sources/JSONAST/JSON.swift:15:6: error: unknown option 'always' for attribute 'inline'
13 | }
14 | extension JSON {
15 | @inline(always) @inlinable static func hex(_ remainder: UInt8) -> UInt8 {
| `- error: unknown option 'always' for attribute 'inline'
16 | remainder < 10 ? remainder + 0x30 : remainder + 0x37
17 | }
[29/55] Compiling JSONAST JSON.Number.Inline.swift
/Users/admin/builder/spi-builder-workspace/Sources/JSONAST/JSON.swift:15:6: error: unknown option 'always' for attribute 'inline'
13 | }
14 | extension JSON {
15 | @inline(always) @inlinable static func hex(_ remainder: UInt8) -> UInt8 {
| `- error: unknown option 'always' for attribute 'inline'
16 | remainder < 10 ? remainder + 0x30 : remainder + 0x37
17 | }
[30/55] Compiling JSONAST JSON.Literal.swift
/Users/admin/builder/spi-builder-workspace/Sources/JSONAST/JSON.swift:15:6: error: unknown option 'always' for attribute 'inline'
13 | }
14 | extension JSON {
15 | @inline(always) @inlinable static func hex(_ remainder: UInt8) -> UInt8 {
| `- error: unknown option 'always' for attribute 'inline'
16 | remainder < 10 ? remainder + 0x30 : remainder + 0x37
17 | }
[31/55] Compiling JSONAST JSON.Node.swift
/Users/admin/builder/spi-builder-workspace/Sources/JSONAST/JSON.swift:15:6: error: unknown option 'always' for attribute 'inline'
13 | }
14 | extension JSON {
15 | @inline(always) @inlinable static func hex(_ remainder: UInt8) -> UInt8 {
| `- error: unknown option 'always' for attribute 'inline'
16 | remainder < 10 ? remainder + 0x30 : remainder + 0x37
17 | }
[32/55] Emitting module TestableErrors
[33/55] Compiling TestableErrors Error (ext).swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[34/55] Emitting module JSONAST
/Users/admin/builder/spi-builder-workspace/Sources/JSONAST/JSON.swift:15:6: error: unknown option 'always' for attribute 'inline'
13 | }
14 | extension JSON {
15 | @inline(always) @inlinable static func hex(_ remainder: UInt8) -> UInt8 {
| `- error: unknown option 'always' for attribute 'inline'
16 | remainder < 10 ? remainder + 0x30 : remainder + 0x37
17 | }
[35/55] Compiling JSONAST JSON.Array.swift
/Users/admin/builder/spi-builder-workspace/Sources/JSONAST/JSON.swift:15:6: error: unknown option 'always' for attribute 'inline'
13 | }
14 | extension JSON {
15 | @inline(always) @inlinable static func hex(_ remainder: UInt8) -> UInt8 {
| `- error: unknown option 'always' for attribute 'inline'
16 | remainder < 10 ? remainder + 0x30 : remainder + 0x37
17 | }
[36/55] Compiling JSONAST JSON.EscapeCode.swift
/Users/admin/builder/spi-builder-workspace/Sources/JSONAST/JSON.swift:15:6: error: unknown option 'always' for attribute 'inline'
13 | }
14 | extension JSON {
15 | @inline(always) @inlinable static func hex(_ remainder: UInt8) -> UInt8 {
| `- error: unknown option 'always' for attribute 'inline'
16 | remainder < 10 ? remainder + 0x30 : remainder + 0x37
17 | }
[37/55] Compiling JSONAST JSON.IntegerOverflowError.swift
/Users/admin/builder/spi-builder-workspace/Sources/JSONAST/JSON.swift:15:6: error: unknown option 'always' for attribute 'inline'
13 | }
14 | extension JSON {
15 | @inline(always) @inlinable static func hex(_ remainder: UInt8) -> UInt8 {
| `- error: unknown option 'always' for attribute 'inline'
16 | remainder < 10 ? remainder + 0x30 : remainder + 0x37
17 | }
[38/55] Compiling JSONAST JSON.Key.swift
/Users/admin/builder/spi-builder-workspace/Sources/JSONAST/JSON.swift:15:6: error: unknown option 'always' for attribute 'inline'
13 | }
14 | extension JSON {
15 | @inline(always) @inlinable static func hex(_ remainder: UInt8) -> UInt8 {
| `- error: unknown option 'always' for attribute 'inline'
16 | remainder < 10 ? remainder + 0x30 : remainder + 0x37
17 | }
[39/55] Compiling JSONAST String (ext).swift
/Users/admin/builder/spi-builder-workspace/Sources/JSONAST/JSON.swift:15:6: error: unknown option 'always' for attribute 'inline'
13 | }
14 | extension JSON {
15 | @inline(always) @inlinable static func hex(_ remainder: UInt8) -> UInt8 {
| `- error: unknown option 'always' for attribute 'inline'
16 | remainder < 10 ? remainder + 0x30 : remainder + 0x37
17 | }
Fetching https://github.com/rarestype/gram
Fetching https://github.com/ordo-one/dollup
[1/1361] Fetching gram
[369/1417] Fetching gram, dollup
Fetched https://github.com/ordo-one/dollup from cache (1.17s)
Fetched https://github.com/rarestype/gram from cache (1.17s)
Computing version for https://github.com/rarestype/gram
Computed https://github.com/rarestype/gram at 2.1.0 (1.73s)
Computing version for https://github.com/ordo-one/dollup
Computed https://github.com/ordo-one/dollup at 1.3.0 (0.53s)
Creating working copy for https://github.com/ordo-one/dollup
Working copy of https://github.com/ordo-one/dollup resolved at 1.3.0
Creating working copy for https://github.com/rarestype/gram
Working copy of https://github.com/rarestype/gram resolved at 2.1.0
Downloading binary artifact https://get.rarestype.com/dollup/1.3.0/macOS-arm64/dollup.artifactbundle.zip
[5467/4481453] Downloading https://get.rarestype.com/dollup/1.3.0/macOS-arm64/dollup.artifactbundle.zip
Downloaded https://get.rarestype.com/dollup/1.3.0/macOS-arm64/dollup.artifactbundle.zip (0.41s)
BUILD FAILURE 6.2 macosSpm