1error: #[serde(from = "...")] and #[serde(try_from = "...")] conflict with each other 2 --> tests/ui/conflict/from-try-from.rs:4:1 3 | 44 | / #[serde(from = "u64", try_from = "u64")] 55 | | struct S { 66 | | a: u8, 77 | | } 8 | |_^ 9