fix arg handling error messages; make nonces and keys optional (if no-crypto)

1 files changed, 1 insertions, 1 deletions

diff --git a/src/main.rs b/src/main.rs
index 6eb7de5..1077034 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -46,7 +46,7 @@ fn main() {
 
     let matches = match opts.parse(&args[1..]) {
         Ok(m) => { m }
-        Err(f) => { println!("Error parsing args: {}", f); usage(opts); exit(-1); }
+        Err(f) => { println!("{}", f.to_string()); usage(opts); exit(-1); }
     };
 
     //let verbose: bool = matches.opt_present("v");