fixes

Author: Heliozoa

tmc-langs-core/src/response.rs

@@ -36,13 +36,15 @@ impl<T> Response<T> {
 /// Represents an error response from tmc-server
 #[derive(Debug, Error, Deserialize)]
 #[error("Response contained errors: {errors:#?}")]
+#[serde(deny_unknown_fields)] // prevents responses with an errors field from being parsed as an error
 pub struct ResponseErrors {
     pub errors: Vec<String>,
 }
 
 /// Represents an error response from tmc-server
 #[derive(Debug, Error, Deserialize)]
 #[error("Response contained an error: {error:#?}")]
+#[serde(deny_unknown_fields)] // prevents responses with an error field from being parsed as an error
 pub struct ResponseError {
     pub error: String,
 }
@@ -304,7 +306,7 @@ pub struct SubmissionFinished {
     pub submission_url: String,
     pub solution_url: Option<String>,
     pub submitted_at: String,
-    pub processing_time: usize,
+    pub processing_time: Option<usize>,
     pub reviewed: bool,
     pub requests_review: bool,
     pub paste_url: Option<String>,

tmc-langs-core/src/tmc_core/api.rs

@@ -103,7 +103,7 @@ impl TmcCore {
         Ok(())
     }
 
-    pub fn download_from(&self, url: Url, target: &Path) -> Result<()> {
+    pub(crate) fn download_from(&self, url: Url, target: &Path) -> Result<()> {
         // download zip
         let mut target_file =
             File::create(target).map_err(|e| CoreError::FileCreate(target.to_path_buf(), e))?;