additional logging

src/publish.rs

@@ -734,6 +734,7 @@ fn parse_manifests(
         // .into_iter()
         .map(|(crate_name, versions)| -> Result<(String, Vec<VersionMeta>), Error> {
             let begin = Instant::now();
+            debug!(%crate_name, "parsing manifests");
             let mut version_metas = Vec::new();
             for index_meta in versions {
                 let version = index_meta.vers.clone();
@@ -765,14 +766,22 @@ fn parse_manifests(
                 let mut readme: Option<String> = None;
                 if let Some(readme_path) = manifest.package.readme.as_ref() {
                     let decoder = flate2::read::GzDecoder::new(&dot_crate_bytes[..]);
-                    if let Some(readme_content) = extract_readme_from_tar(decoder, readme_path)? {
+                    if let Some(readme_content) = extract_readme_from_tar(decoder, readme_path).map_err(|err| {
+                        error!(%crate_name, vers = %index_meta.vers, ?err, "failed to extract readme");
+                        err
+                    })? {
                         trace!(length = readme_content.len(), "extracted readme file content from .crate targz archive");
                         readme = Some(readme_content);
                     }
                 }
                 let tmp = TempDir::new()?;
                 let decoder = flate2::read::GzDecoder::new(&dot_crate_bytes[..]);
-                tar::Archive::new(decoder).unpack(tmp.path())?;
+                tar::Archive::new(decoder).unpack(tmp.path())
+                    .map_err(|err| {
+                        error!(%crate_name, vers = %index_meta.vers, ?err, "failed to unpack to temp dir");
+                        err
+                    })?;
+
                 trace!(tmpdir = ?tmp.path(), "unpacked .crate archive to temp dir");
                 let target_dir = tmp.path().join("target");
                 std::fs::create_dir(&target_dir)?;