errors: Drop some spurious uses of {:?} in messages

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/src/error.rs b/src/error.rs
index 4c097429a8aeee681ab6f6ccbfd6508e96492af8..73e353d48d3f86e17912db5882fb44728dd9d779 100644 (file)
--- a/src/error.rs
+++ b/src/error.rs
@@ -14,9 +14,9 @@ pub enum OnlineError {
   NoPlayer(#[from] PlayerNotFound),
   #[error("invalid Z coordinate")]
   InvalidZCoord,
-  #[error("Server operational problems - consult administrator: {0:?}")]
+  #[error("Server operational problems - consult administrator: {0}")]
   ServerFailure(#[from] InternalError),
-  #[error("JSON deserialisation error: {0:?}")]
+  #[error("JSON deserialisation error: {0}")]
   BadJSON(serde_json::Error),
   #[error("referenced piece is gone (maybe race)")]
   PieceHeld,