Output json logs except when running through cargo

src/main.rs

@@ -24,11 +24,19 @@ async fn main() -> color_eyre::Result<()> {
 
     let env_filter = EnvFilter::try_from_default_env().or_else(|_| EnvFilter::try_new("info"))?;
 
+    if std::env::var("CARGO").is_ok() {
         let logger = tracing_subscriber::fmt::layer().compact();
         tracing_subscriber::Registry::default()
             .with(logger)
             .with(env_filter)
             .init();
+    } else {
+        let logger = tracing_subscriber::fmt::layer().json();
+        tracing_subscriber::Registry::default()
+            .with(logger)
+            .with(env_filter)
+            .init();
+    }
 
     info!(
         "Starting {} ({})",