created lib/index.mjs, lib in 345ms swift build --package-path TestSuites \ --product ConcurrencyTests \ --triple wasm32-unknown-wasi \ --configuration debug \ -Xswiftc -Xclang-linker -Xswiftc -mexec-model=reactor \ -Xlinker --export=main \ warning: 'testsuites': 'PrimaryTests' was identified as an executable target given the presence of a 'main.swift' file. Starting with tools version 5.4.0 executable targets should be declared as 'executableTarget()' warning: 'testsuites': 'ConcurrencyTests' was identified as an executable target given the presence of a 'main.swift' file. Starting with tools version 5.4.0 executable targets should be declared as 'executableTarget()' warning: 'testsuites': 'BenchmarkTests' was identified as an executable target given the presence of a 'main.swift' file. Starting with tools version 5.4.0 executable targets should be declared as 'executableTarget()' Building for debugging... In file included from /Users/omochi/github/swiftwasm/JavaScriptKit/Sources/_CJavaScriptKit/_CJavaScriptKit.c:1: /Users/omochi/github/swiftwasm/JavaScriptKit/Sources/_CJavaScriptKit/include/_CJavaScriptKit.h:4:10: fatal error: 'stdlib.h' file not found 4 | #include <stdlib.h> | ^~~~~~~~~~ 1 error generated. [4/12] Write swift-version-37CF2ABA3CB73B3C.txt make[1]: *** [TestSuites/.build/debug/ConcurrencyTests.wasm] Error 1 make: *** [test] Error 2