error: 1 positional argument in format string, but no arguments were given --> $DIR/ifmt-bad-arg.rs:16:14 | LL | format!("{}"); | ^^ error: invalid reference to positional argument 1 (there is 1 argument) --> $DIR/ifmt-bad-arg.rs:19:14 | LL | format!("{1}", 1); | ^^^ | = note: positional arguments are zero-based error: argument never used --> $DIR/ifmt-bad-arg.rs:19:20 | LL | format!("{1}", 1); | ----- ^ | | | formatting specifier missing error: 2 positional arguments in format string, but no arguments were given --> $DIR/ifmt-bad-arg.rs:23:14 | LL | format!("{} {}"); | ^^ ^^ error: invalid reference to positional argument 1 (there is 1 argument) --> $DIR/ifmt-bad-arg.rs:26:18 | 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:29:22 | LL | format!("{0} {1} {2}", 1, 2); | ^^^ | = note: positional arguments are zero-based error: invalid reference to positional argument 2 (there are 2 arguments) --> $DIR/ifmt-bad-arg.rs:32:28 | LL | format!("{} {value} {} {}", 1, value=2); | ^^ | = note: positional arguments are zero-based error: invalid reference to positional arguments 3, 4 and 5 (there are 3 arguments) --> $DIR/ifmt-bad-arg.rs:34:38 | LL | format!("{name} {value} {} {} {} {} {} {}", 0, name=1, value=2); | ^^ ^^ ^^ | = note: positional arguments are zero-based error: there is no argument named `foo` --> $DIR/ifmt-bad-arg.rs:37:17 | LL | format!("{} {foo} {} {bar} {}", 1, 2, 3); | ^^^^^ error: there is no argument named `bar` --> $DIR/ifmt-bad-arg.rs:37:26 | LL | format!("{} {foo} {} {bar} {}", 1, 2, 3); | ^^^^^ error: there is no argument named `foo` --> $DIR/ifmt-bad-arg.rs:41:14 | LL | format!("{foo}"); //~ ERROR: no argument named `foo` | ^^^^^ error: multiple unused formatting arguments --> $DIR/ifmt-bad-arg.rs:42:17 | LL | format!("", 1, 2); //~ ERROR: multiple unused formatting arguments | -- ^ ^ | | | multiple missing formatting specifiers error: argument never used --> $DIR/ifmt-bad-arg.rs:43:22 | LL | format!("{}", 1, 2); //~ ERROR: argument never used | ---- ^ | | | formatting specifier missing error: argument never used --> $DIR/ifmt-bad-arg.rs:44:20 | LL | format!("{1}", 1, 2); //~ ERROR: argument never used | ----- ^ | | | formatting specifier missing error: named argument never used --> $DIR/ifmt-bad-arg.rs:45:26 | LL | format!("{}", 1, foo=2); //~ ERROR: named argument never used | ---- ^ | | | formatting specifier missing error: argument never used --> $DIR/ifmt-bad-arg.rs:46:22 | LL | format!("{foo}", 1, foo=2); //~ ERROR: argument never used | ------- ^ | | | formatting specifier missing error: named argument never used --> $DIR/ifmt-bad-arg.rs:47:21 | LL | format!("", foo=2); //~ ERROR: named argument never used | -- ^ | | | formatting specifier missing error: multiple unused formatting arguments --> $DIR/ifmt-bad-arg.rs:48:32 | LL | format!("{} {}", 1, 2, foo=1, bar=2); //~ ERROR: multiple unused formatting arguments | ------- ^ ^ | | | multiple missing formatting specifiers error: duplicate argument named `foo` --> $DIR/ifmt-bad-arg.rs:50:33 | LL | format!("{foo}", foo=1, foo=2); //~ ERROR: duplicate argument | ^ | note: previously here --> $DIR/ifmt-bad-arg.rs:50:26 | LL | format!("{foo}", foo=1, foo=2); //~ ERROR: duplicate argument | ^ error: expected ident, positional arguments cannot follow named arguments --> $DIR/ifmt-bad-arg.rs:51:24 | LL | format!("", foo=1, 2); //~ ERROR: positional arguments cannot follow | ^ error: there is no argument named `valueb` --> $DIR/ifmt-bad-arg.rs:55:23 | LL | format!("{valuea} {valueb}", valuea=5, valuec=7); | ^^^^^^^^ error: named argument never used --> $DIR/ifmt-bad-arg.rs:55:51 | LL | format!("{valuea} {valueb}", valuea=5, valuec=7); | ------------------- ^ | | | formatting specifier missing error: invalid format string: expected `'}'` but string was terminated --> $DIR/ifmt-bad-arg.rs:61:15 | LL | format!("{"); //~ ERROR: expected `'}'` but string was terminated | ^ expected `'}'` 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:63:18 | LL | format!("foo } bar"); //~ ERROR: unmatched `}` found | ^ 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:64:18 | LL | format!("foo }"); //~ ERROR: unmatched `}` found | ^ unmatched `}` in format string | = note: if you intended to print `}`, you can escape it using `}}` error: argument never used --> $DIR/ifmt-bad-arg.rs:66:27 | LL | format!("foo %s baz", "bar"); //~ ERROR: argument never used | -- ^^^^^ | | | help: format specifiers use curly braces: `{}` | = note: printf formatting not supported; see the documentation for `std::fmt` error: there is no argument named `foo` --> $DIR/ifmt-bad-arg.rs:70:9 | LL | {foo} | ^^^^^ error: aborting due to 27 previous errors