clippy: apply clippy suggestions

Signed-off-by: Soc Virnyl Estela <[email protected]>

cargo/src/cli.rs

@@ -324,8 +324,8 @@ impl Vendor for Src {
             }
         };
         drop(newworkdir);
-        Ok(tmpdir
+        tmpdir
             .close()
-            .map_err(|err| OBSCargoError::new(OBSCargoErrorKind::VendorError, err.to_string()))?)
+            .map_err(|err| OBSCargoError::new(OBSCargoErrorKind::VendorError, err.to_string()))
     }
 }

cargo/src/utils/compress.rs

@@ -61,7 +61,7 @@ pub fn tar_builder<T: Write>(
         }
     }
 
-    Ok(builder.finish()?)
+    builder.finish()
 }
 
 pub fn targz(

cargo/src/vendor.rs

@@ -92,15 +92,15 @@ pub fn vendor(
         )
     })?;
     // Write the stdout which is used by the package later.
-    Ok(file_cargo_config
+    file_cargo_config
         .write_all(cargo_vendor_output.as_bytes())
         .map_err(|err| {
             error!(?err, "Failed to write to file for cargo config");
             OBSCargoError::new(
                 OBSCargoErrorKind::VendorError,
                 "failed to write to file for cargo config".to_string(),
             )
-        })?)
+        })
 }
 
 pub fn compress(