error: 1 positional argument in format string, but no arguments were given --> $DIR/ifmt-bad-arg.rs:6:14 | LL | format!("{}"); | ^^ error: invalid reference to positional argument 1 (there is 1 argument) --> $DIR/ifmt-bad-arg.rs:9:15 | LL | format!("{1}", 1); | ^ | = note: positional arguments are zero-based error: argument never used --> $DIR/ifmt-bad-arg.rs:9:20 | LL | format!("{1}", 1); | ----- ^ argument never used | | | formatting specifier missing error: 2 positional arguments in format string, but no arguments were given --> $DIR/ifmt-bad-arg.rs:13:14 | LL | format!("{} {}"); | ^^ ^^ error: invalid reference to positional argument 1 (there is 1 argument) --> $DIR/ifmt-bad-arg.rs:16:19 | LL | format!("{0} {1}", 1); | ^ | = note: positional arguments are zero-based error: invalid reference to positional argument 2 (there are 2 arguments) --> $DIR/ifmt-bad-arg.rs:19:23 | LL | format!("{0} {1} {2}", 1, 2); | ^ | = note: positional arguments are zero-based error: 3 positional arguments in format string, but there are 2 arguments --> $DIR/ifmt-bad-arg.rs:22:14 | LL | format!("{} {value} {} {}", 1, value=2); | ^^ ^^ ^^ - - error: 6 positional arguments in format string, but there are 3 arguments --> $DIR/ifmt-bad-arg.rs:24:29 | LL | format!("{name} {value} {} {} {} {} {} {}", 0, name=1, value=2); | ^^ ^^ ^^ ^^ ^^ ^^ - - - error: multiple unused formatting arguments --> $DIR/ifmt-bad-arg.rs:32:17 | LL | format!("", 1, 2); | -- ^ ^ argument never used | | | | | argument never used | multiple missing formatting specifiers error: argument never used --> $DIR/ifmt-bad-arg.rs:33:22 | LL | format!("{}", 1, 2); | ---- ^ argument never used | | | formatting specifier missing error: argument never used --> $DIR/ifmt-bad-arg.rs:34:20 | LL | format!("{1}", 1, 2); | ----- ^ argument never used | | | formatting specifier missing error: named argument never used --> $DIR/ifmt-bad-arg.rs:35:26 | LL | format!("{}", 1, foo=2); | ---- ^ named argument never used | | | formatting specifier missing error: argument never used --> $DIR/ifmt-bad-arg.rs:36:22 | LL | format!("{foo}", 1, foo=2); | ------- ^ argument never used | | | formatting specifier missing error: named argument never used --> $DIR/ifmt-bad-arg.rs:37:21 | LL | format!("", foo=2); | -- ^ named argument never used | | | formatting specifier missing error: multiple unused formatting arguments --> $DIR/ifmt-bad-arg.rs:38:32 | LL | format!("{} {}", 1, 2, foo=1, bar=2); | ------- ^ ^ named argument never used | | | | | named argument never used | multiple missing formatting specifiers error: duplicate argument named `foo` --> $DIR/ifmt-bad-arg.rs:40:29 | LL | format!("{foo}", foo=1, foo=2); | --- ^^^ duplicate argument | | | previously here error: positional arguments cannot follow named arguments --> $DIR/ifmt-bad-arg.rs:41:35 | LL | format!("{foo} {} {}", foo=1, 2); | ----- ^ positional arguments must be before named arguments | | | named argument error: named argument never used --> $DIR/ifmt-bad-arg.rs:45:51 | LL | format!("{valuea} {valueb}", valuea=5, valuec=7); | ------------------- ^ named argument never used | | | formatting specifier missing error: invalid format string: expected `'}'` but string was terminated --> $DIR/ifmt-bad-arg.rs:51:15 | LL | 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/ifmt-bad-arg.rs:53:18 | LL | format!("foo } bar"); | ^ unmatched `}` in format string | = note: if you intended to print `}`, you can escape it using `}}` error: invalid format string: unmatched `}` found --> $DIR/ifmt-bad-arg.rs:54:18 | LL | format!("foo }"); | ^ unmatched `}` in format string | = note: if you intended to print `}`, you can escape it using `}}` error: argument never used --> $DIR/ifmt-bad-arg.rs:56:27 | LL | format!("foo %s baz", "bar"); | -- ^^^^^ argument never used | | | help: format specifiers use curly braces: `{}` | = note: printf formatting is not supported; see the documentation for `std::fmt` error: invalid format string: expected `'}'`, found `'t'` --> $DIR/ifmt-bad-arg.rs:75:1 | LL | ninth number: { | - because of this opening brace LL | tenth number: {}", | ^ expected `'}'` in format string | = note: if you intended to print `{`, you can escape it using `{{` error: 4 positional arguments in format string, but there are 3 arguments --> $DIR/ifmt-bad-arg.rs:78:15 | LL | println!("{} {:.*} {}", 1, 3.2, 4); | ^^ ^^--^ ^^ - --- - | | | this precision flag adds an extra required argument at position 1, which is why there are 4 arguments expected | = note: positional arguments are zero-based = note: for information about formatting flags, visit https://doc.rust-lang.org/std/fmt/index.html error: invalid reference to positional arguments 3 and 7 (there are 3 arguments) --> $DIR/ifmt-bad-arg.rs:81:21 | LL | println!("{} {:07$.*} {}", 1, 3.2, 4); | ^^ ^ | = note: positional arguments are zero-based = note: for information about formatting flags, visit https://doc.rust-lang.org/std/fmt/index.html error: invalid reference to positional argument 7 (there are 3 arguments) --> $DIR/ifmt-bad-arg.rs:84:21 | LL | println!("{} {:07$} {}", 1, 3.2, 4); | ^^ | = note: positional arguments are zero-based = note: for information about formatting flags, visit https://doc.rust-lang.org/std/fmt/index.html error: unknown format trait `foo` --> $DIR/ifmt-bad-arg.rs:86:17 | LL | println!("{:foo}", 1); | ^^^ | = note: the only appropriate formatting traits are: - ``, which uses the `Display` trait - `?`, which uses the `Debug` trait - `e`, which uses the `LowerExp` trait - `E`, which uses the `UpperExp` trait - `o`, which uses the `Octal` trait - `p`, which uses the `Pointer` trait - `b`, which uses the `Binary` trait - `x`, which uses the `LowerHex` trait - `X`, which uses the `UpperHex` trait error: invalid reference to positional arguments 4, 5, 6 and 7 (there is 1 argument) --> $DIR/ifmt-bad-arg.rs:87:16 | LL | println!("{5} {:4$} {6:7$}", 1); | ^ ^^ ^ ^^ | = note: positional arguments are zero-based = note: for information about formatting flags, visit https://doc.rust-lang.org/std/fmt/index.html error: invalid reference to positional argument 0 (no arguments were given) --> $DIR/ifmt-bad-arg.rs:90:20 | LL | println!("{foo:0$}"); | ^^ | = note: positional arguments are zero-based = note: for information about formatting flags, visit https://doc.rust-lang.org/std/fmt/index.html error: 2 positional arguments in format string, but no arguments were given --> $DIR/ifmt-bad-arg.rs:95:15 | LL | println!("{:.*}"); | ^^--^ | | | this precision flag adds an extra required argument at position 0, which is why there are 2 arguments expected | = note: positional arguments are zero-based = note: for information about formatting flags, visit https://doc.rust-lang.org/std/fmt/index.html error: invalid reference to positional argument 0 (no arguments were given) --> $DIR/ifmt-bad-arg.rs:97:16 | LL | println!("{:.0$}"); | ^^^^ | = note: positional arguments are zero-based = note: for information about formatting flags, visit https://doc.rust-lang.org/std/fmt/index.html error[E0425]: cannot find value `foo` in this scope --> $DIR/ifmt-bad-arg.rs:27:18 | LL | format!("{} {foo} {} {bar} {}", 1, 2, 3); | ^^^ not found in this scope error[E0425]: cannot find value `bar` in this scope --> $DIR/ifmt-bad-arg.rs:27:27 | LL | format!("{} {foo} {} {bar} {}", 1, 2, 3); | ^^^ not found in this scope error[E0425]: cannot find value `foo` in this scope --> $DIR/ifmt-bad-arg.rs:31:15 | LL | format!("{foo}"); | ^^^ not found in this scope error[E0425]: cannot find value `valueb` in this scope --> $DIR/ifmt-bad-arg.rs:45:24 | LL | format!("{valuea} {valueb}", valuea=5, valuec=7); | ^^^^^^ not found in this scope error[E0425]: cannot find value `foo` in this scope --> $DIR/ifmt-bad-arg.rs:60:10 | LL | {foo} | ^^^ not found in this scope error[E0308]: mismatched types --> $DIR/ifmt-bad-arg.rs:78:32 | LL | println!("{} {:.*} {}", 1, 3.2, 4); | -- ^^^ expected `&usize`, found `&{float}` | | | arguments to this function are incorrect | = note: expected reference `&usize` found reference `&{float}` note: associated function defined here --> $SRC_DIR/core/src/fmt/rt.rs:LL:COL = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0308]: mismatched types --> $DIR/ifmt-bad-arg.rs:81:35 | LL | println!("{} {:07$.*} {}", 1, 3.2, 4); | -- ^^^ expected `&usize`, found `&{float}` | | | arguments to this function are incorrect | = note: expected reference `&usize` found reference `&{float}` note: associated function defined here --> $SRC_DIR/core/src/fmt/rt.rs:LL:COL = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) error: aborting due to 38 previous errors Some errors have detailed explanations: E0308, E0425. For more information about an error, try `rustc --explain E0308`.