xcode - SourceKitService Crashed -

xcode - SourceKitService Crashed -

sometimes have issue xcode 6.0.1 error "sourcekitservice crashed crashlog generated in ~/library/logs/diagnosticreports" popping , syntax highlighting gone in swift. how can prepare this?

have problem xcode 6.1 (release, not gm).

there few "magic" solutions works temporarily, require restart. there quick prepare seems hold (and not require finish restart).

delete content of: deriveddata/modulecache

(full path: ~/library/developer/xcode/deriveddata/modulecache)

xcode swift