Add small ergonomic change from jm review

src/main.rs

@@ -252,7 +252,7 @@ fn upload_to_erp5<R: Read + Send + 'static>(
         .to_str()?
         .parse()?;
 
-    let resp = client
+    let _resp = client
         .post(doc_url.to_owned())
         .multipart(
             multipart::Form::new()
@@ -281,7 +281,7 @@ fn upload_to_erp5<R: Read + Send + 'static>(
     params.insert("field_your_workflow_action", "share_action");
     params.insert("Base_callDialogMethod:method", "");
 
-    let resp = client.post(doc_url.to_owned()).form(&params).send()?;
+    let _resp = client.post(doc_url.to_owned()).form(&params).send()?;
 
     // workaround for ERP5 disappearing documents race condition bug
     thread::sleep(Duration::from_secs(3));
@@ -322,7 +322,7 @@ fn main() -> Result<()> {
     let ignored_dirs = m
         .values_of("ignored-dirs")
         .unwrap_or(clap::Values::default())
-        .map(|v| PathBuf::from(v))
+        .map(PathBuf::from)
         .collect();
 
     let disk_partitions = psutil::disk::partitions_physical()?;