1error: only one #[error(...)] attribute is allowed 2 --> tests/ui/duplicate-fmt.rs:5:1 3 | 45 | #[error("...")] 5 | ^^^^^^^^^^^^^^^ 6 7error: duplicate #[error(fmt = ...)] attribute 8 --> tests/ui/duplicate-fmt.rs:10:1 9 | 1010 | #[error(fmt = core::fmt::LowerHex::fmt)] 11 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 12 13error: cannot have both #[error(transparent)] and #[error(fmt = ...)] 14 --> tests/ui/duplicate-fmt.rs:14:1 15 | 1614 | #[error(fmt = core::fmt::Octal::fmt)] 17 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 18 19error: cannot have both #[error(fmt = ...)] and a format arguments attribute 20 --> tests/ui/duplicate-fmt.rs:20:1 21 | 2220 | #[error("...")] 23 | ^^^^^^^^^^^^^^^ 24