exit status: 134 with stderr:
not existential UNREACHABLE executed at /home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-16_04/swift/lib/SILGen/SILGenConvert.cpp:1008! Stack dump: 0. Program arguments: /usr/bin/swift -frontend -interpret - -disable-objc-interop -I /Libraries/.build/x86_64-unknown-linux/debug -I /Libraries/.build/checkouts/swift-nio-b68c973e/Sources/CNIOZlib/include -I /Libraries/.build/checkouts/swift-nio-b68c973e/Sources/CNIOHTTPParser/include -I /Libraries/.build/checkouts/swift-nio-ssl-93eb7dfa/Sources/CNIOOpenSSL/include -I /Libraries/.build/checkouts/crypto-36ec1aea/Sources/CCryptoOpenSSL/include -I /Libraries/.build/checkouts/crypto-36ec1aea/Sources/CBcrypt/include -I /Libraries/.build/checkouts/crypto-36ec1aea/Sources/CBase32/include -I /Libraries/.build/checkouts/swift-nio-b68c973e/Sources/CNIOSHA1/include -I /Libraries/.build/checkouts/swift-nio-b68c973e/Sources/CNIOAtomics/include -I /Libraries/.build/checkouts/swift-nio-b68c973e/Sources/CNIODarwin/include -I /Libraries/.build/checkouts/swift-nio-b68c973e/Sources/CNIOLinux/include -I /Libraries/.build/checkouts/SwiftBacktrace-fcbf89ea/Sources/CSwiftBacktrace/include -I /Libraries/.build/checkouts/SwiftBacktrace-fcbf89ea/Sources/Clibunwind/include -module-cache-path /Libraries/.build/x86_64-unknown-linux/debug/ModuleCache -D DEBUG -Xcc -fmodule-map-file=/Libraries/.build/x86_64-unknown-linux/debug/CNIOZlib.build/module.modulemap -Xcc -fmodule-map-file=/Libraries/.build/x86_64-unknown-linux/debug/CNIOHTTPParser.build/module.modulemap -Xcc -fmodule-map-file=/Libraries/.build/x86_64-unknown-linux/debug/CNIOOpenSSL.build/module.modulemap -Xcc -fmodule-map-file=/Libraries/.build/x86_64-unknown-linux/debug/CCryptoOpenSSL.build/module.modulemap -Xcc -fmodule-map-file=/Libraries/.build/checkouts/crypto-36ec1aea/Sources/CBcrypt/include/module.modulemap -Xcc -fmodule-map-file=/Libraries/.build/checkouts/crypto-36ec1aea/Sources/CBase32/include/module.modulemap -Xcc -fmodule-map-fil
stderr.txt
https://ptpb.pw/FMWO.txt/text