Fatal error: file /usercode/main.swift, line 1 Current stack trace: 0 libswiftCore.so 0x00007f64e85c55c0 _swift_stdlib_reportFatalErrorInFile + 221 1 libswiftCore.so 0x00007f64e83343dc <unavailable> + 1369052 2 libswiftCore.so 0x00007f64e856e222 <unavailable> + 3703330 3 libswiftCore.so 0x00007f64e856f689 <unavailable> + 3708553 4 libswiftCore.so 0x00007f64e8333ad6 <unavailable> + 1366742 5 libswiftCore.so 0x00007f64e856dfeb <unavailable> + 3702763 6 libswiftCore.so 0x00007f64e8333ad6 <unavailable> + 1366742 7 libswiftCore.so 0x00007f64e84a0f79 <unavailable> + 2862969 8 libswiftCore.so 0x00007f64e8333440 _assertionFailure(_:_:file:line:flags:) + 44 10 swift 0x0000000000fed1ce <unavailable> + 12505550 ...
