error: writing a literal with an empty format string
  --> $DIR/write_literal.rs:17:32
   |
17 |     write!(&mut v, "Hello {}", "world");
   |                                ^^^^^^^
   |
   = note: `-D write-literal` implied by `-D warnings`

error: writing a literal with an empty format string
  --> $DIR/write_literal.rs:18:44
   |
18 |     writeln!(&mut v, "Hello {} {}", world, "world");
   |                                            ^^^^^^^

error: writing a literal with an empty format string
  --> $DIR/write_literal.rs:19:34
   |
19 |     writeln!(&mut v, "Hello {}", "world");
   |                                  ^^^^^^^

error: writing a literal with an empty format string
  --> $DIR/write_literal.rs:20:38
   |
20 |     writeln!(&mut v, "10 / 4 is {}", 2.5);
   |                                      ^^^

error: writing a literal with an empty format string
  --> $DIR/write_literal.rs:21:36
   |
21 |     writeln!(&mut v, "2 + 1 = {}", 3);
   |                                    ^

error: writing a literal with an empty format string
  --> $DIR/write_literal.rs:22:39
   |
22 |     writeln!(&mut v, "2 + 1 = {:.4}", 3);
   |                                       ^

error: writing a literal with an empty format string
  --> $DIR/write_literal.rs:23:40
   |
23 |     writeln!(&mut v, "2 + 1 = {:5.4}", 3);
   |                                        ^

error: writing a literal with an empty format string
  --> $DIR/write_literal.rs:24:41
   |
24 |     writeln!(&mut v, "Debug test {:?}", "hello, world");
   |                                         ^^^^^^^^^^^^^^

error: writing a literal with an empty format string
  --> $DIR/write_literal.rs:29:33
   |
29 |     writeln!(&mut v, "{0} {1}", "hello", "world");
   |                                 ^^^^^^^

error: writing a literal with an empty format string
  --> $DIR/write_literal.rs:29:42
   |
29 |     writeln!(&mut v, "{0} {1}", "hello", "world");
   |                                          ^^^^^^^

error: writing a literal with an empty format string
  --> $DIR/write_literal.rs:30:33
   |
30 |     writeln!(&mut v, "{1} {0}", "hello", "world");
   |                                 ^^^^^^^

error: writing a literal with an empty format string
  --> $DIR/write_literal.rs:30:42
   |
30 |     writeln!(&mut v, "{1} {0}", "hello", "world");
   |                                          ^^^^^^^

error: writing a literal with an empty format string
  --> $DIR/write_literal.rs:33:43
   |
33 |     writeln!(&mut v, "{foo} {bar}", foo = "hello", bar = "world");
   |                                           ^^^^^^^

error: writing a literal with an empty format string
  --> $DIR/write_literal.rs:33:58
   |
33 |     writeln!(&mut v, "{foo} {bar}", foo = "hello", bar = "world");
   |                                                          ^^^^^^^

error: writing a literal with an empty format string
  --> $DIR/write_literal.rs:34:43
   |
34 |     writeln!(&mut v, "{bar} {foo}", foo = "hello", bar = "world");
   |                                           ^^^^^^^

error: writing a literal with an empty format string
  --> $DIR/write_literal.rs:34:58
   |
34 |     writeln!(&mut v, "{bar} {foo}", foo = "hello", bar = "world");
   |                                                          ^^^^^^^

error: aborting due to 16 previous errors