AppVeyor: w: The '-d' option with a directory destination is ignored because '-Xbuild-file' is specified

[3flex]

Expected Behavior

AppVeyor build runs reliably.

Current Behavior

It doesn't.

Error is:

w: The '-d' option with a directory destination is ignored because '-Xbuild-file' is specified
e: warnings found and -Werror specified

Both times occurred on detekt-api:compileKotlin task.

Steps to Reproduce (for bugs)

See:

• JDK8: https://ci.appveyor.com/project/arturbosch/detekt/builds/19412116/job/9nsmqceljbr8q5tl#L81
• JDK10: https://ci.appveyor.com/project/arturbosch/detekt/builds/19415692/job/d8s5r9xggkje84y8#L83

Context

Cause unknown. No part of the build specifically sets either of those flags for the KotlinCompile tasks.

Disabling incremental compilation may help, but there's very little information available on the cause of this error or what to do about it.

Your Environment

AppVeyor CI

[Mauin]

It looks like in both cases it fails to connect to the Kotlin compile daemon. This causes it to not perform incremental compilation.

[lock]

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