tests/ui/fmt/issue-91556.stderr - rust-lang/rust - Git at Google

 error: invalid format string: expected `}` but string was terminated
   --> $DIR/issue-91556.rs:2:19
    |
 LL |   let _ = format!(concat!("{0}𝖳𝖾𝗌𝗍{"), i);
    |                   ^^^^^^^^^^^^^^^^^^^ expected `}` in format string
    |
    = note: if you intended to print `{`, you can escape it using `{{`

 error: aborting due to 1 previous error
	error: invalid format string: expected `}` but string was terminated
	--> $DIR/issue-91556.rs:2:19
	\|
	LL \| let _ = format!(concat!("{0}𝖳𝖾𝗌𝗍{"), i);
	\| ^^^^^^^^^^^^^^^^^^^ expected `}` in format string
	\|
	= note: if you intended to print `{`, you can escape it using `{{`

	error: aborting due to 1 previous error