errors

   Compiling simple-logging v0.0.1 (file:///home/daboross/Projects/Rust/simple-logging)
/home/daboross/Projects/Rust/simple-logging/src/lib.rs:35:5: 35:39 error: unable to infer enough type information to locate the impl of the trait `core::kinds::Send` for the type `_`; type annotations required
/home/daboross/Projects/Rust/simple-logging/src/lib.rs:35     loggers::WriterLogger::with_stdout();
                                                              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/daboross/Projects/Rust/simple-logging/src/lib.rs:35:5: 35:39 note: required by `loggers::WriterLogger<T>::with_stdout`
/home/daboross/Projects/Rust/simple-logging/src/lib.rs:35     loggers::WriterLogger::with_stdout();
                                                              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
error: aborting due to previous error
Could not compile `simple-logging`.

The function giving this error literally just calls loggers::WriterLogger::with_stdout() and nothing else.

writer-logger-snippet.rs

struct WriterLogger<T: io::Writer + Send> {
    writer: Arc<Mutex<T>>,
}


impl <T: io::Writer + Send> WriterLogger<T> {
    fn new(writer: T) -> WriterLogger<T> {
        return WriterLogger {
            writer: Arc::new(Mutex::new(writer)),
        };
    }

    fn with_stdout() -> WriterLogger<io::stdio::StdWriter> {
        return WriterLogger::new(stdio::stdout_raw());
    }

    fn with_stderr() -> WriterLogger<io::stdio::StdWriter> {
        return WriterLogger::new(stdio::stderr_raw());
    }

    fn with_file(path: &Path) -> io::IoResult<WriterLogger<io::File>> {
        return Ok(WriterLogger::new(try!(io::File::create(path))));
    }
}