Fully replace usage of base64 crate

.github/workflows/rust.yml

@@ -11,6 +11,7 @@ jobs:
 
     runs-on: ${{ matrix.os }}
     strategy:
+      fail-fast: false
       matrix:
         os: [macos-latest, ubuntu-latest]
 

examples/read_packet.rs

@@ -1,17 +1,19 @@
-extern crate base64;
-extern crate sniffglue;
-extern crate env_logger;
-
+use data_encoding::BASE64;
+use sniffglue::errors::*;
 use std::env;
 
-fn main() {
+fn main() -> Result<()> {
     env_logger::init();
 
     for arg in env::args().skip(1) {
-        let bytes = base64::decode(&arg).unwrap();
+        let bytes = BASE64
+            .decode(arg.as_bytes())
+            .context("Failed to base64 decode")?;
         println!("{:?}", bytes);
 
         let packet = sniffglue::centrifuge::parse_eth(&bytes);
         println!("{:?}", packet);
     }
+
+    Ok(())
 }