compiler thing

stdout.txt

while requiring "prelude": can't find file 'prelude' (Crystal::TypeException)
[4316382962] *CallStack::unwind:Array(Pointer(Void)) +82
[4316382865] *CallStack#initialize:Array(Pointer(Void)) +17
[4316382824] *CallStack::new:CallStack +40
[4316335705] *raise<Crystal::TypeException>:NoReturn +25
[4327025633] *Crystal::Require@Crystal::ASTNode#raise<String, Nil, Crystal::TypeException:Class>:NoReturn +17
[4327025607] *Crystal::Require@Crystal::ASTNode#raise<String>:NoReturn +39
[4329247214] *Crystal::Normalizer#transform<Crystal::Require>:Crystal::ASTNode+ +990
[4327026097] *Crystal::Require@Crystal::ASTNode#transform<Crystal::Normalizer>:Crystal::ASTNode+ +49
[4329256568] *Crystal::Normalizer#normalize<Crystal::Require>:Crystal::ASTNode+ +24
[4317062441] *Crystal::Program#normalize<Crystal::Require, Bool>:Crystal::ASTNode+ +89
[4317062343] *Crystal::Program#normalize<Crystal::Require>:Crystal::ASTNode+ +39
[4316780437] *Crystal::Compiler#parse<Crystal::Program, Array(Crystal::Compiler::Source)>:Tuple(Crystal::Expressions, Crystal::ASTNode+) +1397
[4316777573] *Crystal::CompilUnhandled exception:
end of file reached (IO::EOFError)
[4316382962] *CallStack::unwind:Array(Pointer(Void)) +82
[4316382865] *CallStack#initialize:Array(Pointer(Void)) +17
[4316382824] *CallStack::new:CallStack +40
[4316321721] *raise<IO::EOFError>:NoReturn +25
[4316607583] *IO::FileDescriptor+@IO#read_fully<Slice(UInt8)>:Int32 +111
[4316614260] *IO::ByteFormat::LittleEndian::decode<Int32:Class, IO::FileDescriptor+>:Int32 +68
[4316504850] *Int32@Int::from_io<IO::FileDescriptor+, IO::ByteFormat::LittleEndian:Module>:Int32 +34
[4316607458] *IO::FileDescriptor+@IO#read_bytes<Int32:Class>:Int32 +34
[4316592837] *Event::SignalHandler#run:NoReturn +53
[4316321564] ~procProc(Nil)@/usr/local/Cellar/crystal-lang/0.18.7_1/src/event/signal_handler.cr:93 +12
[4316380244] *Fiber#run:(Int64 | Nil) +164
[4316321525] ~proc2Proc(Fiber, (Int64 | Nil))@/usr/local/Cellar/crystal-lang/0.18.7_1/src/fiber.cr:28 +21
er#compile<Array(Crystal::Compiler::Source), String>:Crystal::Compiler::Result +53
[4316777485] *Crystal::Compiler#compile<Crystal::Compiler::Source, String>:Crystal::Compiler::Result +141
[4316256441] __crystal_main +2361
[4316323371] main +43