error: multiple unused formatting arguments --> $DIR/format-foreign.rs:2:30 | LL | println!("%.*3$s %s!\n", "Hello,", "World", 4); | -------------- ^^^^^^^^ ^^^^^^^ ^ argument never used | | | | | | | argument never used | | argument never used | multiple missing formatting specifiers | = note: printf formatting is not supported; see the documentation for `std::fmt` help: format specifiers use curly braces | LL | println!("{:.2$} {}!\n", "Hello,", "World", 4); | ~~~~~~ ~~ error: argument never used --> $DIR/format-foreign.rs:3:29 | LL | println!("%1$*2$.*3$f", 123.456); | ----------- ^^^^^^^ argument never used | | | help: format specifiers use curly braces: `{0:1$.2$}` | = note: printf formatting is not supported; see the documentation for `std::fmt` error: multiple unused formatting arguments --> $DIR/format-foreign.rs:6:7 | LL | println!(r###"%.*3$s | ______________- LL | | %s!\n LL | | "###, "Hello,", "World", 4); | | - ^^^^^^^^ ^^^^^^^ ^ argument never used | | | | | | | | | argument never used | |____| argument never used | multiple missing formatting specifiers | = note: printf formatting is not supported; see the documentation for `std::fmt` help: format specifiers use curly braces | LL ~ println!(r###"{:.2$} LL ~ {}!\n | error: argument never used --> $DIR/format-foreign.rs:12:30 | LL | println!("{} %f", "one", 2.0); | ------- ^^^ argument never used | | | formatting specifier missing error: named argument never used --> $DIR/format-foreign.rs:14:39 | LL | println!("Hi there, $NAME.", NAME="Tim"); | ----- ^^^^^ named argument never used | | | help: format specifiers use curly braces: `{NAME}` | = note: shell formatting is not supported; see the documentation for `std::fmt` error: multiple unused formatting arguments --> $DIR/format-foreign.rs:15:32 | LL | println!("$1 $0 $$ $NAME", 1, 2, NAME=3); | ---------------- ^ ^ ^ named argument never used | | | | | | | argument never used | | argument never used | multiple missing formatting specifiers | = note: shell formatting is not supported; see the documentation for `std::fmt` help: format specifiers use curly braces | LL | println!("{1} {0} $$ {NAME}", 1, 2, NAME=3); | ~~~ ~~~ ~~~~~~ error: aborting due to 6 previous errors