fix: only display pipe error in CODSPEED_ENV

Author: not-matthias

crates/criterion_compat/criterion_fork/src/analysis/mod.rs

@@ -301,7 +301,9 @@ mod codspeed {
             pid: std::process::id(),
             uri: uri.clone(),
         }) {
-            eprintln!("Failed to send benchmark URI to runner: {}", error);
+            if std::env::var("CODSPEED_ENV").is_ok() {
+                eprintln!("Failed to send benchmark URI to runner: {error:?}");
+            }
         }
 
         let avg_iter_per_round = iters.iter().sum::<f64>() / iters.len() as f64;

crates/divan_compat/divan_fork/src/divan.rs

@@ -432,7 +432,9 @@ mod codspeed {
             pid: std::process::id(),
             uri: uri.clone(),
         }) {
-            eprintln!("Failed to send benchmark URI to runner: {}", error);
+            if std::env::var("CODSPEED_ENV").is_ok() {
+                eprintln!("Failed to send benchmark URI to runner: {error:?}");
+            }
         }
 
         ::codspeed::walltime::collect_raw_walltime_results(