CI debug hack: print traces to stderr

Author: fw-immunant

c2rust-transpile/src/c_ast/conversion.rs

@@ -1950,11 +1950,11 @@ impl ConversionContext {
                                 // __CHARn_TYPE__ for n ∈ {8, 16, 32} also lack obvious translation
                                 "__UINTPTR_TYPE__" => CTypeKind::UIntPtr,
                                 _ => {
-                                    log::debug!("Unknown target-dependent macro {macro_name}!");
+                                    eprintln!("Unknown target-dependent macro {macro_name}!");
                                     return None;
                                 }
                             };
-                            log::trace!("Selected kind {kind} for typedef {name}");
+                            eprintln!("Selected kind {kind} for typedef {name}");
                             Some(CQualTypeId::new(
                                 self.typed_context.type_for_kind(&kind).unwrap(),
                             ))
@@ -1981,11 +1981,11 @@ impl ConversionContext {
                             "__int64_t" => CTypeKind::Int64,
                             "__int128_t" => CTypeKind::Int128,
                             _ => {
-                                log::debug!("Unknown fixed-size type typedef {name}!");
+                                eprintln!("Unknown fixed-size type typedef {name}!");
                                 return None;
                             }
                         };
-                        log::trace!("Selected kind {kind} for typedef {name}");
+                        eprintln!("Selected kind {kind} for typedef {name}");
                         Some(CQualTypeId::new(
                             self.typed_context.type_for_kind(&kind).unwrap(),
                         ))