[ FAIL ] StringDeconstructTests.deconstruct cocoa StringDeconstructTests: Some tests failed, aborting UXPASS: [] FAIL: ["deconstruct cocoa"] SKIP: [] To debug, run: $ /Users/niw/Documents/Projects/apple/build/Ninja-RelWithDebInfoAssert/swift-macosx-x86_64/test-macosx-x86_64/stdlib/Output/StringDeconstruction.swift.tmp/a.out --stdlib-unittest-in-process --stdlib-unittest-filter "deconstruct cocoa" -- Command Output (stderr): -- /Users/niw/Documents/Projects/apple/swift/test/stdlib/StringDeconstruction.swift:22:7: warning: variable 'stackTrace' was never mutated; consider changing to 'let' constant var stackTrace = stackTrace.pushIf(showFrame, file: file, line: line) ~~~ ^ let /Users/niw/Documents/Projects/apple/build/Ninja-RelWithDebInfoAssert/swift-macosx-x86_64/test-macosx-x86_64/stdlib/Output/StringDeconstruction.swift.script: line 1: 71979 Abort trap: 6 /usr/bin/env DYLD_LIBRARY_PATH='/Users/niw/Documents/Projects/apple/build/Ninja-RelWithDebInfoAssert/swift-macosx-x86_64/lib/swift/macosx' LD_LIBRARY_PATH='/Users/niw/Documents/Projects/apple/build/Ninja-RelWithDebInfoAssert/swift-macosx-x86_64/lib/swift/macosx:' SIMCTL_CHILD_DYLD_LIBRARY_PATH='/Users/niw/Documents/Projects/apple/build/Ninja-RelWithDebInfoAssert/swift-macosx-x86_64/lib/swift/macosx' /Users/niw/Documents/Projects/apple/build/Ninja-RelWithDebInfoAssert/swift-macosx-x86_64/test-macosx-x86_64/stdlib/Output/StringDeconstruction.swift.tmp/a.out -- ******************** Testing Time: 4.66s ******************** Failing Tests (1): Swift(macosx-x86_64) :: stdlib/StringDeconstruction.swift Unexpected Failures: 1 ERROR: command terminated with a non-zero exit status 1, aborting