Print error's root cause

Give more context about the error produced. Trying to figure out how to
only display this if there is a root cause, but I'll work that out
later.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/main.rs b/src/main.rs
index 98dfa33..ac730fb 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -43,7 +43,7 @@ async fn main() {
     match run().await {
         Ok(_) => (),
         Err(e) => {
-            eprintln!("error: {}", e);
+            eprintln!("error: {}: {}", e, e.root_cause());
 
             process::exit(exitcode::SOFTWARE);
         },