src/test/ui/fmt/ifmt-bad-arg.stderr

   1 error: 1 positional argument in format string, but no arguments were given
   2   --> $DIR/ifmt-bad-arg.rs:6:14
   3    |
   4 LL |     format!("{}");
   5    |              ^^
   6
   7 error: invalid reference to positional argument 1 (there is 1 argument)
   8   --> $DIR/ifmt-bad-arg.rs:9:14
   9    |
  10 LL |     format!("{1}", 1);
  11    |              ^^^
  12    |
  13    = note: positional arguments are zero-based
  14
  15 error: argument never used
  16   --> $DIR/ifmt-bad-arg.rs:9:20
  17    |
  18 LL |     format!("{1}", 1);
  19    |             -----  ^ argument never used
  20    |             |
  21    |             formatting specifier missing
  22
  23 error: 2 positional arguments in format string, but no arguments were given
  24   --> $DIR/ifmt-bad-arg.rs:13:14
  25    |
  26 LL |     format!("{} {}");
  27    |              ^^ ^^
  28
  29 error: invalid reference to positional argument 1 (there is 1 argument)
  30   --> $DIR/ifmt-bad-arg.rs:16:18
  31    |
  32 LL |     format!("{0} {1}", 1);
  33    |                  ^^^
  34    |
  35    = note: positional arguments are zero-based
  36
  37 error: invalid reference to positional argument 2 (there are 2 arguments)
  38   --> $DIR/ifmt-bad-arg.rs:19:22
  39    |
  40 LL |     format!("{0} {1} {2}", 1, 2);
  41    |                      ^^^
  42    |
  43    = note: positional arguments are zero-based
  44
  45 error: invalid reference to positional argument 2 (there are 2 arguments)
  46   --> $DIR/ifmt-bad-arg.rs:22:28
  47    |
  48 LL |     format!("{} {value} {} {}", 1, value=2);
  49    |                            ^^
  50    |
  51    = note: positional arguments are zero-based
  52
  53 error: invalid reference to positional arguments 3, 4 and 5 (there are 3 arguments)
  54   --> $DIR/ifmt-bad-arg.rs:24:38
  55    |
  56 LL |     format!("{name} {value} {} {} {} {} {} {}", 0, name=1, value=2);
  57    |                                      ^^ ^^ ^^
  58    |
  59    = note: positional arguments are zero-based
  60
  61 error: there is no argument named `foo`
  62   --> $DIR/ifmt-bad-arg.rs:27:17
  63    |
  64 LL |     format!("{} {foo} {} {bar} {}", 1, 2, 3);
  65    |                 ^^^^^
  66    |
  67    = help: if you intended to capture `foo` from the surrounding scope, add `#![feature(format_args_capture)]` to the crate attributes
  68
  69 error: there is no argument named `bar`
  70   --> $DIR/ifmt-bad-arg.rs:27:26
  71    |
  72 LL |     format!("{} {foo} {} {bar} {}", 1, 2, 3);
  73    |                          ^^^^^
  74    |
  75    = help: if you intended to capture `bar` from the surrounding scope, add `#![feature(format_args_capture)]` to the crate attributes
  76
  77 error: there is no argument named `foo`
  78   --> $DIR/ifmt-bad-arg.rs:31:14
  79    |
  80 LL |     format!("{foo}");
  81    |              ^^^^^
  82    |
  83    = help: if you intended to capture `foo` from the surrounding scope, add `#![feature(format_args_capture)]` to the crate attributes
  84
  85 error: multiple unused formatting arguments
  86   --> $DIR/ifmt-bad-arg.rs:32:17
  87    |
  88 LL |     format!("", 1, 2);
  89    |             --  ^  ^ argument never used
  90    |             |   |
  91    |             |   argument never used
  92    |             multiple missing formatting specifiers
  93
  94 error: argument never used
  95   --> $DIR/ifmt-bad-arg.rs:33:22
  96    |
  97 LL |     format!("{}", 1, 2);
  98    |             ----     ^ argument never used
  99    |             |
 100    |             formatting specifier missing
 101
 102 error: argument never used
 103   --> $DIR/ifmt-bad-arg.rs:34:20
 104    |
 105 LL |     format!("{1}", 1, 2);
 106    |             -----  ^ argument never used
 107    |             |
 108    |             formatting specifier missing
 109
 110 error: named argument never used
 111   --> $DIR/ifmt-bad-arg.rs:35:26
 112    |
 113 LL |     format!("{}", 1, foo=2);
 114    |             ----         ^ named argument never used
 115    |             |
 116    |             formatting specifier missing
 117
 118 error: argument never used
 119   --> $DIR/ifmt-bad-arg.rs:36:22
 120    |
 121 LL |     format!("{foo}", 1, foo=2);
 122    |             -------  ^ argument never used
 123    |             |
 124    |             formatting specifier missing
 125
 126 error: named argument never used
 127   --> $DIR/ifmt-bad-arg.rs:37:21
 128    |
 129 LL |     format!("", foo=2);
 130    |             --      ^ named argument never used
 131    |             |
 132    |             formatting specifier missing
 133
 134 error: multiple unused formatting arguments
 135   --> $DIR/ifmt-bad-arg.rs:38:32
 136    |
 137 LL |     format!("{} {}", 1, 2, foo=1, bar=2);
 138    |             -------            ^      ^ named argument never used
 139    |             |                  |
 140    |             |                  named argument never used
 141    |             multiple missing formatting specifiers
 142
 143 error: duplicate argument named `foo`
 144   --> $DIR/ifmt-bad-arg.rs:40:33
 145    |
 146 LL |     format!("{foo}", foo=1, foo=2);
 147    |                          -      ^ duplicate argument
 148    |                          |
 149    |                          previously here
 150
 151 error: positional arguments cannot follow named arguments
 152   --> $DIR/ifmt-bad-arg.rs:41:35
 153    |
 154 LL |     format!("{foo} {} {}", foo=1, 2);
 155    |                                -  ^ positional arguments must be before named arguments
 156    |                                |
 157    |                                named argument
 158
 159 error: there is no argument named `valueb`
 160   --> $DIR/ifmt-bad-arg.rs:45:23
 161    |
 162 LL |     format!("{valuea} {valueb}", valuea=5, valuec=7);
 163    |                       ^^^^^^^^
 164    |
 165    = help: if you intended to capture `valueb` from the surrounding scope, add `#![feature(format_args_capture)]` to the crate attributes
 166
 167 error: named argument never used
 168   --> $DIR/ifmt-bad-arg.rs:45:51
 169    |
 170 LL |     format!("{valuea} {valueb}", valuea=5, valuec=7);
 171    |             -------------------                   ^ named argument never used
 172    |             |
 173    |             formatting specifier missing
 174
 175 error: invalid format string: expected `'}'` but string was terminated
 176   --> $DIR/ifmt-bad-arg.rs:51:15
 177    |
 178 LL |     format!("{");
 179    |              -^ expected `'}'` in format string
 180    |              |
 181    |              because of this opening brace
 182    |
 183    = note: if you intended to print `{`, you can escape it using `{{`
 184
 185 error: invalid format string: unmatched `}` found
 186   --> $DIR/ifmt-bad-arg.rs:53:18
 187    |
 188 LL |     format!("foo } bar");
 189    |                  ^ unmatched `}` in format string
 190    |
 191    = note: if you intended to print `}`, you can escape it using `}}`
 192
 193 error: invalid format string: unmatched `}` found
 194   --> $DIR/ifmt-bad-arg.rs:54:18
 195    |
 196 LL |     format!("foo }");
 197    |                  ^ unmatched `}` in format string
 198    |
 199    = note: if you intended to print `}`, you can escape it using `}}`
 200
 201 error: argument never used
 202   --> $DIR/ifmt-bad-arg.rs:56:27
 203    |
 204 LL |     format!("foo %s baz", "bar");
 205    |                  --       ^^^^^ argument never used
 206    |                  |
 207    |                  help: format specifiers use curly braces: `{}`
 208    |
 209    = note: printf formatting not supported; see the documentation for `std::fmt`
 210
 211 error: there is no argument named `foo`
 212   --> $DIR/ifmt-bad-arg.rs:60:9
 213    |
 214 LL |         {foo}
 215    |         ^^^^^
 216    |
 217    = help: if you intended to capture `foo` from the surrounding scope, add `#![feature(format_args_capture)]` to the crate attributes
 218
 219 error: invalid format string: expected `'}'`, found `'t'`
 220   --> $DIR/ifmt-bad-arg.rs:75:1
 221    |
 222 LL | ninth number: {
 223    |               - because of this opening brace
 224 LL | tenth number: {}",
 225    | ^ expected `}` in format string
 226    |
 227    = note: if you intended to print `{`, you can escape it using `{{`
 228
 229 error: 4 positional arguments in format string, but there are 3 arguments
 230   --> $DIR/ifmt-bad-arg.rs:78:15
 231    |
 232 LL |     println!("{} {:.*} {}", 1, 3.2, 4);
 233    |               ^^ ^^--^ ^^   -  ---  -
 234    |                    |           |
 235    |                    |           this parameter corresponds to the precision flag
 236    |                    this precision flag adds an extra required argument at position 1, which is why there are 4 arguments expected
 237    |
 238    = note: positional arguments are zero-based
 239    = note: for information about formatting flags, visit https://doc.rust-lang.org/std/fmt/index.html
 240
 241 error: 4 positional arguments in format string, but there are 3 arguments
 242   --> $DIR/ifmt-bad-arg.rs:81:15
 243    |
 244 LL |     println!("{} {:07$.*} {}", 1, 3.2, 4);
 245    |               ^^ ^^^----^ ^^   -  ---  -
 246    |                     | |           |
 247    |                     | |           this parameter corresponds to the precision flag
 248    |                     | this precision flag adds an extra required argument at position 1, which is why there are 4 arguments expected
 249    |                     this width flag expects an `usize` argument at position 7, but there are 3 arguments
 250    |
 251    = note: positional arguments are zero-based
 252    = note: for information about formatting flags, visit https://doc.rust-lang.org/std/fmt/index.html
 253
 254 error: invalid reference to positional argument 7 (there are 3 arguments)
 255   --> $DIR/ifmt-bad-arg.rs:84:18
 256    |
 257 LL |     println!("{} {:07$} {}", 1, 3.2, 4);
 258    |                  ^^^--^
 259    |                     |
 260    |                     this width flag expects an `usize` argument at position 7, but there are 3 arguments
 261    |
 262    = note: positional arguments are zero-based
 263    = note: for information about formatting flags, visit https://doc.rust-lang.org/std/fmt/index.html
 264
 265 error: unknown format trait `foo`
 266   --> $DIR/ifmt-bad-arg.rs:86:17
 267    |
 268 LL |     println!("{:foo}", 1);
 269    |                 ^^^
 270    |
 271    = note: the only appropriate formatting traits are:
 272            - ``, which uses the `Display` trait
 273            - `?`, which uses the `Debug` trait
 274            - `e`, which uses the `LowerExp` trait
 275            - `E`, which uses the `UpperExp` trait
 276            - `o`, which uses the `Octal` trait
 277            - `p`, which uses the `Pointer` trait
 278            - `b`, which uses the `Binary` trait
 279            - `x`, which uses the `LowerHex` trait
 280            - `X`, which uses the `UpperHex` trait
 281
 282 error: invalid reference to positional arguments 4, 5, 6 and 7 (there is 1 argument)
 283   --> $DIR/ifmt-bad-arg.rs:87:15
 284    |
 285 LL |     println!("{5} {:4$} {6:7$}", 1);
 286    |               ^^^ ^^--^ ^^^--^
 287    |                     |      |
 288    |                     |      this width flag expects an `usize` argument at position 7, but there is 1 argument
 289    |                     this width flag expects an `usize` argument at position 4, but there is 1 argument
 290    |
 291    = note: positional arguments are zero-based
 292    = note: for information about formatting flags, visit https://doc.rust-lang.org/std/fmt/index.html
 293
 294 error: 2 positional arguments in format string, but no arguments were given
 295   --> $DIR/ifmt-bad-arg.rs:92:15
 296    |
 297 LL |     println!("{:.*}");
 298    |               ^^--^
 299    |                 |
 300    |                 this precision flag adds an extra required argument at position 0, which is why there are 2 arguments expected
 301    |
 302    = note: positional arguments are zero-based
 303    = note: for information about formatting flags, visit https://doc.rust-lang.org/std/fmt/index.html
 304
 305 error[E0308]: mismatched types
 306   --> $DIR/ifmt-bad-arg.rs:78:32
 307    |
 308 LL |     println!("{} {:.*} {}", 1, 3.2, 4);
 309    |                                ^^^ expected `usize`, found floating-point number
 310    |
 311    = note: expected reference `&usize`
 312               found reference `&{float}`
 313    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
 314
 315 error[E0308]: mismatched types
 316   --> $DIR/ifmt-bad-arg.rs:81:35
 317    |
 318 LL |     println!("{} {:07$.*} {}", 1, 3.2, 4);
 319    |                                   ^^^ expected `usize`, found floating-point number
 320    |
 321    = note: expected reference `&usize`
 322               found reference `&{float}`
 323    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
 324
 325 error: aborting due to 36 previous errors
 326
 327 For more information about this error, try `rustc --explain E0308`.