diff --git a/rust-crates/symblib/src/symbconv/dwarf/mod.rs b/rust-crates/symblib/src/symbconv/dwarf/mod.rs
index 260980f12..3e3af89e7 100644
--- a/rust-crates/symblib/src/symbconv/dwarf/mod.rs
+++ b/rust-crates/symblib/src/symbconv/dwarf/mod.rs
@@ -341,7 +341,7 @@ fn extract_ranges(
             }
         };
 
-        eprintln!("Processing {:?}", &unit);
+        debug!("Processing {:?}", &unit);
         match process_unit(unit, &mut visitor) {
             Ok(()) => stats.units_ok += 1,
             Err(e) => {
diff --git a/rust-crates/symblib/src/symbconv/go.rs b/rust-crates/symblib/src/symbconv/go.rs
index 25c379e0f..a5ac90d3f 100644
--- a/rust-crates/symblib/src/symbconv/go.rs
+++ b/rust-crates/symblib/src/symbconv/go.rs
@@ -6,7 +6,7 @@
 //! This is currently still very basic and doesn't support inline functions
 //! or constructing line tables.
 
-use crate::{gosym, objfile, symbfile, AnyError};
+use crate::{debug, gosym, objfile, symbfile, AnyError};
 use fallible_iterator::FallibleIterator as _;
 
 /// Result type shorthand.
@@ -70,7 +70,7 @@ fn extract_ranges(obj: &objfile::Reader<'_>, visitor: super::RangeVisitor<'_>) -
     while let Some(func) = func_iter.next()? {
         // Infer end of function from line tables.
         let Some(end) = func.line_mapping()?.map(|(rng, _)| Ok(rng.end)).max()? else {
-            eprintln!(
+            debug!(
                 "WARN: unable to determine end of function ({})",
                 func.name()?
             );
@@ -80,7 +80,7 @@ fn extract_ranges(obj: &objfile::Reader<'_>, visitor: super::RangeVisitor<'_>) -
 
         let length = end.saturating_sub(func.start_addr());
         if length == 0 {
-            eprintln!("WARN: zero function length ({})", func.name()?);
+            debug!("WARN: zero function length ({})", func.name()?);
             stats.funcs_skipped += 1;
             continue;
         }