error: invalid format string: expected `'}'` but string was terminated
  --> $DIR/format-string-error.rs:4:16
   |
LL |     println!("{");
   |               -^ expected `'}'` in format string
   |               |
   |               because of this opening brace
   |
   = note: if you intended to print `{`, you can escape it using `{{`

error: invalid format string: unmatched `}` found
  --> $DIR/format-string-error.rs:7:15
   |
LL |     println!("}");
   |               ^ unmatched `}` in format string
   |
   = note: if you intended to print `}`, you can escape it using `}}`

error: invalid format string: invalid argument name `_foo`
  --> $DIR/format-string-error.rs:9:23
   |
LL |     let _ = format!("{_foo}", _foo = 6usize);
   |                       ^^^^ invalid argument name in format string
   |
   = note: argument names cannot start with an underscore

error: invalid format string: invalid argument name `_`
  --> $DIR/format-string-error.rs:11:23
   |
LL |     let _ = format!("{_}", _ = 6usize);
   |                       ^ invalid argument name in format string
   |
   = note: argument names cannot start with an underscore

error: invalid format string: expected `'}'` but string was terminated
  --> $DIR/format-string-error.rs:13:23
   |
LL |     let _ = format!("{");
   |                      -^ expected `'}'` in format string
   |                      |
   |                      because of this opening brace
   |
   = note: if you intended to print `{`, you can escape it using `{{`

error: invalid format string: unmatched `}` found
  --> $DIR/format-string-error.rs:15:22
   |
LL |     let _ = format!("}");
   |                      ^ unmatched `}` in format string
   |
   = note: if you intended to print `}`, you can escape it using `}}`

error: invalid format string: expected `'}'`, found `'/'`
  --> $DIR/format-string-error.rs:17:23
   |
LL |     let _ = format!("{/}");
   |                      -^ expected `}` in format string
   |                      |
   |                      because of this opening brace
   |
   = note: if you intended to print `{`, you can escape it using `{{`

error: invalid format string: expected `'}'` but string was terminated
  --> $DIR/format-string-error.rs:19:35
   |
LL |     let _ = format!("/n/n/n{/n/n/n");
   |                            -      ^ expected `'}'` in format string
   |                            |
   |                            because of this opening brace
   |
   = note: if you intended to print `{`, you can escape it using `{{`

error: invalid format string: expected `'}'` but string was terminated
  --> $DIR/format-string-error.rs:25:3
   |
LL |     {"###);
   |     -^ expected `'}'` in format string
   |     |
   |     because of this opening brace
   |
   = note: if you intended to print `{`, you can escape it using `{{`

error: invalid format string: expected `'}'` but string was terminated
  --> $DIR/format-string-error.rs:33:1
   |
LL |     {
   |     - because of this opening brace
LL | 
LL | "###);
   | ^ expected `'}'` in format string
   |
   = note: if you intended to print `{`, you can escape it using `{{`

error: invalid format string: unmatched `}` found
  --> $DIR/format-string-error.rs:39:2
   |
LL |     }
   |     ^ unmatched `}` in format string
   |
   = note: if you intended to print `}`, you can escape it using `}}`

error: invalid format string: unmatched `}` found
  --> $DIR/format-string-error.rs:47:9
   |
LL |         }
   |         ^ unmatched `}` in format string
   |
   = note: if you intended to print `}`, you can escape it using `}}`

error: aborting due to 12 previous errors