Source compat project 'vapor_websocket-kit' fails on a compilation error

[xymus]

Description

Failure first reported here: https://ci.swift.org/job/swift-main-source-compat-suite-debug/854/console

Reproduction

Error:

/Users/ec2-user/jenkins/workspace/swift-main-source-compat-suite-debug/swift-source-compat-suite/project_cache/vapor_websocket-kit/Tests/WebSocketKitTests/SSLTestHelpers.swift:79:70: error: cannot convert value of type 'OpaquePointer' to expected argument type 'UnsafeMutableRawPointer?'
 77 | 
 78 |     let pkey = CNIOBoringSSL_EVP_PKEY_new()!
 79 |     let assignRC = CNIOBoringSSL_EVP_PKEY_assign(pkey, EVP_PKEY_RSA, rsa)
    |                                                                      `- error: cannot convert value of type 'OpaquePointer' to expected argument type 'UnsafeMutableRawPointer?'
 80 |     
 81 |     precondition(assignRC == 1)

/Users/ec2-user/jenkins/workspace/swift-main-source-compat-suite-debug/swift-source-compat-suite/project_cache/vapor_websocket-kit/Tests/WebSocketKitTests/SSLTestHelpers.swift:128:54: error: cannot convert value of type 'CInt' (aka 'Int32') to expected argument type 'ossl_ssize_t' (aka 'Int')
126 |                                                      MBSTRING_UTF8,
127 |                                                      UnsafeMutablePointer(mutating: pointer),
128 |                                                      CInt(commonName.lengthOfBytes(using: .utf8)),
    |                                                      `- error: cannot convert value of type 'CInt' (aka 'Int32') to expected argument type 'ossl_ssize_t' (aka 'Int')
129 |                                                      -1,
130 |                                                      0)

Expected behavior

The project builds without errors.

Environment

Reported on the main, 6.0 and 5.10 bots.

Additional information

No response

[MJA645]

need help with this

[xymus]

This is failing on 5.10, 6.0 and main so it's likely not from a recent compiler change.

https://ci.swift.org/job/swift-5.10-source-compat-suite-debug/176/console
https://ci.swift.org/job/swift-5.10-source-compat-suite-debug-ubuntu-2004/332/console
https://ci.swift.org/job/swift-6.0-source-compat-suite-debug/122/console
https://ci.swift.org/job/swift-6.0-source-compat-suite-debug-ubuntu-2004/132/console
https://ci.swift.org/job/swift-main-source-compat-suite-debug/857/console
https://ci.swift.org/job/swift-source-compat-suite-debug-ubuntu-2004/510/console

@justice-adams-apple Do you know how this could have succeeded in PR testing but fails on these bots?