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: multiple unused formatting arguments
  62   --> $DIR/ifmt-bad-arg.rs:32:17
  63    |
  64 LL |     format!("", 1, 2);
  65    |             --  ^  ^ argument never used
  66    |             |   |
  67    |             |   argument never used
  68    |             multiple missing formatting specifiers
  69
  70 error: argument never used
  71   --> $DIR/ifmt-bad-arg.rs:33:22
  72    |
  73 LL |     format!("{}", 1, 2);
  74    |             ----     ^ argument never used
  75    |             |
  76    |             formatting specifier missing
  77
  78 error: argument never used
  79   --> $DIR/ifmt-bad-arg.rs:34:20
  80    |
  81 LL |     format!("{1}", 1, 2);
  82    |             -----  ^ argument never used
  83    |             |
  84    |             formatting specifier missing
  85
  86 error: named argument never used
  87   --> $DIR/ifmt-bad-arg.rs:35:26
  88    |
  89 LL |     format!("{}", 1, foo=2);
  90    |             ----         ^ named argument never used
  91    |             |
  92    |             formatting specifier missing
  93
  94 error: argument never used
  95   --> $DIR/ifmt-bad-arg.rs:36:22
  96    |
  97 LL |     format!("{foo}", 1, foo=2);
  98    |             -------  ^ argument never used
  99    |             |
 100    |             formatting specifier missing
 101
 102 error: named argument never used
 103   --> $DIR/ifmt-bad-arg.rs:37:21
 104    |
 105 LL |     format!("", foo=2);
 106    |             --      ^ named argument never used
 107    |             |
 108    |             formatting specifier missing
 109
 110 error: multiple unused formatting arguments
 111   --> $DIR/ifmt-bad-arg.rs:38:32
 112    |
 113 LL |     format!("{} {}", 1, 2, foo=1, bar=2);
 114    |             -------            ^      ^ named argument never used
 115    |             |                  |
 116    |             |                  named argument never used
 117    |             multiple missing formatting specifiers
 118
 119 error: duplicate argument named `foo`
 120   --> $DIR/ifmt-bad-arg.rs:40:33
 121    |
 122 LL |     format!("{foo}", foo=1, foo=2);
 123    |                          -      ^ duplicate argument
 124    |                          |
 125    |                          previously here
 126
 127 error: positional arguments cannot follow named arguments
 128   --> $DIR/ifmt-bad-arg.rs:41:35
 129    |
 130 LL |     format!("{foo} {} {}", foo=1, 2);
 131    |                                -  ^ positional arguments must be before named arguments
 132    |                                |
 133    |                                named argument
 134
 135 error: named argument never used
 136   --> $DIR/ifmt-bad-arg.rs:45:51
 137    |
 138 LL |     format!("{valuea} {valueb}", valuea=5, valuec=7);
 139    |             -------------------                   ^ named argument never used
 140    |             |
 141    |             formatting specifier missing
 142
 143 error: invalid format string: expected `'}'` but string was terminated
 144   --> $DIR/ifmt-bad-arg.rs:51:15
 145    |
 146 LL |     format!("{");
 147    |              -^ expected `'}'` in format string
 148    |              |
 149    |              because of this opening brace
 150    |
 151    = note: if you intended to print `{`, you can escape it using `{{`
 152
 153 error: invalid format string: unmatched `}` found
 154   --> $DIR/ifmt-bad-arg.rs:53:18
 155    |
 156 LL |     format!("foo } bar");
 157    |                  ^ unmatched `}` in format string
 158    |
 159    = note: if you intended to print `}`, you can escape it using `}}`
 160
 161 error: invalid format string: unmatched `}` found
 162   --> $DIR/ifmt-bad-arg.rs:54:18
 163    |
 164 LL |     format!("foo }");
 165    |                  ^ unmatched `}` in format string
 166    |
 167    = note: if you intended to print `}`, you can escape it using `}}`
 168
 169 error: argument never used
 170   --> $DIR/ifmt-bad-arg.rs:56:27
 171    |
 172 LL |     format!("foo %s baz", "bar");
 173    |                  --       ^^^^^ argument never used
 174    |                  |
 175    |                  help: format specifiers use curly braces: `{}`
 176    |
 177    = note: printf formatting not supported; see the documentation for `std::fmt`
 178
 179 error: invalid format string: expected `'}'`, found `'t'`
 180   --> $DIR/ifmt-bad-arg.rs:75:1
 181    |
 182 LL | ninth number: {
 183    |               - because of this opening brace
 184 LL | tenth number: {}",
 185    | ^ expected `}` in format string
 186    |
 187    = note: if you intended to print `{`, you can escape it using `{{`
 188
 189 error: 4 positional arguments in format string, but there are 3 arguments
 190   --> $DIR/ifmt-bad-arg.rs:78:15
 191    |
 192 LL |     println!("{} {:.*} {}", 1, 3.2, 4);
 193    |               ^^ ^^--^ ^^   -  ---  -
 194    |                    |           |
 195    |                    |           this parameter corresponds to the precision flag
 196    |                    this precision flag adds an extra required argument at position 1, which is why there are 4 arguments expected
 197    |
 198    = note: positional arguments are zero-based
 199    = note: for information about formatting flags, visit https://doc.rust-lang.org/std/fmt/index.html
 200
 201 error: 4 positional arguments in format string, but there are 3 arguments
 202   --> $DIR/ifmt-bad-arg.rs:81:15
 203    |
 204 LL |     println!("{} {:07$.*} {}", 1, 3.2, 4);
 205    |               ^^ ^^^----^ ^^   -  ---  -
 206    |                     | |           |
 207    |                     | |           this parameter corresponds to the precision flag
 208    |                     | this precision flag adds an extra required argument at position 1, which is why there are 4 arguments expected
 209    |                     this width flag expects an `usize` argument at position 7, but there are 3 arguments
 210    |
 211    = note: positional arguments are zero-based
 212    = note: for information about formatting flags, visit https://doc.rust-lang.org/std/fmt/index.html
 213
 214 error: invalid reference to positional argument 7 (there are 3 arguments)
 215   --> $DIR/ifmt-bad-arg.rs:84:18
 216    |
 217 LL |     println!("{} {:07$} {}", 1, 3.2, 4);
 218    |                  ^^^--^
 219    |                     |
 220    |                     this width flag expects an `usize` argument at position 7, but there are 3 arguments
 221    |
 222    = note: positional arguments are zero-based
 223    = note: for information about formatting flags, visit https://doc.rust-lang.org/std/fmt/index.html
 224
 225 error: unknown format trait `foo`
 226   --> $DIR/ifmt-bad-arg.rs:86:17
 227    |
 228 LL |     println!("{:foo}", 1);
 229    |                 ^^^
 230    |
 231    = note: the only appropriate formatting traits are:
 232            - ``, which uses the `Display` trait
 233            - `?`, which uses the `Debug` trait
 234            - `e`, which uses the `LowerExp` trait
 235            - `E`, which uses the `UpperExp` trait
 236            - `o`, which uses the `Octal` trait
 237            - `p`, which uses the `Pointer` trait
 238            - `b`, which uses the `Binary` trait
 239            - `x`, which uses the `LowerHex` trait
 240            - `X`, which uses the `UpperHex` trait
 241
 242 error: invalid reference to positional arguments 4, 5, 6 and 7 (there is 1 argument)
 243   --> $DIR/ifmt-bad-arg.rs:87:15
 244    |
 245 LL |     println!("{5} {:4$} {6:7$}", 1);
 246    |               ^^^ ^^--^ ^^^--^
 247    |                     |      |
 248    |                     |      this width flag expects an `usize` argument at position 7, but there is 1 argument
 249    |                     this width flag expects an `usize` argument at position 4, but there is 1 argument
 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 0 (no arguments were given)
 255   --> $DIR/ifmt-bad-arg.rs:90:15
 256    |
 257 LL |     println!("{foo:0$}");
 258    |               ^^^^^--^
 259    |                    |
 260    |                    this width flag expects an `usize` argument at position 0, but no arguments were given
 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: 2 positional arguments in format string, but no arguments were given
 266   --> $DIR/ifmt-bad-arg.rs:95:15
 267    |
 268 LL |     println!("{:.*}");
 269    |               ^^--^
 270    |                 |
 271    |                 this precision flag adds an extra required argument at position 0, which is why there are 2 arguments expected
 272    |
 273    = note: positional arguments are zero-based
 274    = note: for information about formatting flags, visit https://doc.rust-lang.org/std/fmt/index.html
 275
 276 error[E0425]: cannot find value `foo` in this scope
 277   --> $DIR/ifmt-bad-arg.rs:27:18
 278    |
 279 LL |     format!("{} {foo} {} {bar} {}", 1, 2, 3);
 280    |                  ^^^ not found in this scope
 281
 282 error[E0425]: cannot find value `bar` in this scope
 283   --> $DIR/ifmt-bad-arg.rs:27:27
 284    |
 285 LL |     format!("{} {foo} {} {bar} {}", 1, 2, 3);
 286    |                           ^^^ not found in this scope
 287
 288 error[E0425]: cannot find value `foo` in this scope
 289   --> $DIR/ifmt-bad-arg.rs:31:15
 290    |
 291 LL |     format!("{foo}");
 292    |               ^^^ not found in this scope
 293
 294 error[E0425]: cannot find value `valueb` in this scope
 295   --> $DIR/ifmt-bad-arg.rs:45:24
 296    |
 297 LL |     format!("{valuea} {valueb}", valuea=5, valuec=7);
 298    |                        ^^^^^^ not found in this scope
 299
 300 error[E0425]: cannot find value `foo` in this scope
 301   --> $DIR/ifmt-bad-arg.rs:60:10
 302    |
 303 LL |         {foo}
 304    |          ^^^ not found in this scope
 305
 306 error[E0308]: mismatched types
 307   --> $DIR/ifmt-bad-arg.rs:78:32
 308    |
 309 LL |     println!("{} {:.*} {}", 1, 3.2, 4);
 310    |     ---------------------------^^^----
 311    |     |                          |
 312    |     |                          expected `usize`, found floating-point number
 313    |     arguments to this function are incorrect
 314    |
 315    = note: expected reference `&usize`
 316               found reference `&{float}`
 317 note: associated function defined here
 318   --> $SRC_DIR/core/src/fmt/mod.rs:LL:COL
 319    |
 320 LL |     pub fn from_usize(x: &usize) -> ArgumentV1<'_> {
 321    |            ^^^^^^^^^^
 322    = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
 323
 324 error[E0308]: mismatched types
 325   --> $DIR/ifmt-bad-arg.rs:81:35
 326    |
 327 LL |     println!("{} {:07$.*} {}", 1, 3.2, 4);
 328    |     ------------------------------^^^----
 329    |     |                             |
 330    |     |                             expected `usize`, found floating-point number
 331    |     arguments to this function are incorrect
 332    |
 333    = note: expected reference `&usize`
 334               found reference `&{float}`
 335 note: associated function defined here
 336   --> $SRC_DIR/core/src/fmt/mod.rs:LL:COL
 337    |
 338 LL |     pub fn from_usize(x: &usize) -> ArgumentV1<'_> {
 339    |            ^^^^^^^^^^
 340    = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
 341
 342 error: aborting due to 37 previous errors
 343
 344 Some errors have detailed explanations: E0308, E0425.
 345 For more information about an error, try `rustc --explain E0308`.