exit status: 4 with stderr:
Fatal error: file main/<stdin>, line 10 Current stack trace: 0 libswiftCore.so 0x00007fc7d0e80df0 swift_reportError + 50 1 libswiftCore.so 0x00007fc7d0ef4160 _swift_stdlib_reportFatalErrorInFile + 115 2 libswiftCore.so 0x00007fc7d0bd9eb5 <unavailable> + 1400501 3 libswiftCore.so 0x00007fc7d0bd9af7 <unavailable> + 1399543 4 libswiftCore.so 0x00007fc7d0bda0e2 <unavailable> + 1401058 5 libswiftCore.so 0x00007fc7d0bd8530 _assertionFailure(_:_:file:line:flags:) + 517 8 swift 0x00000000005b4501 <unavailable> + 1787137 9 swift 0x00000000005a1d04 <unavailable> + 1711364 10 swift 0x0000000000587e88 <unavailable> + 1605256 11 swift 0x000000000057b322 <unavailable> + 1553186 12 swift 0x00000000005780ef <unavailable> + 1540335 13 swift 0x0000000000501c2c <unavailable> + 1055788 14 libc.so.6 0x00007fc7d2f4f740 __libc_start_main + 240 15 swift 0x00000000005017a9 <unavailable> + 1054633 Stack dump: 0. Program arguments: /usr/bin/swift -frontend -interpret - -disable-objc-interop -I /Libraries/.build/x86_64-unknown-linux-gnu/debug -I /Libraries/.build/checkouts/SwiftBacktrace/Sources/CSwiftBacktrace/include -I /Libraries/.build/checkouts/SwiftBacktrace/Sources/Clibunwind/include -I /Libraries/.build/checkouts/swift-nio/Sources/CNIOSHA1/include -I /Libraries/.build/checkouts/swift-nio/Sources/CNIOHTTPParser/include -I /Libraries/.build/checkouts/swift-nio/Sources/CNIOAtomics/include -I /Libraries/.build/checkouts/swift-nio/Sources/CNIOWindows/include -I /Libraries/.build/checkouts/swift-nio/Sources/CNIODarwin/include -I /Libraries/.build/checkouts/swift-nio/Sources/CNIOLinux/inc