error: multiple unused formatting arguments --> $DIR/format-foreign.rs:12:30 | 12 | println!("%.*3$s %s!/n", "Hello,", "World", 4); //~ ERROR multiple unused formatting arguments | -------------------------^^^^^^^^--^^^^^^^--^-- multiple unused arguments in this statement | = help: `%.*3$s` should be written as `{:.2$}` = help: `%s` should be written as `{}` = note: printf formatting not supported; see the documentation for `std::fmt` = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) error: argument never used --> $DIR/format-foreign.rs:13:29 | 13 | println!("%1$*2$.*3$f", 123.456); //~ ERROR never used | ^^^^^^^ | = help: `%1$*2$.*3$f` should be written as `{0:1$.2$}` = note: printf formatting not supported; see the documentation for `std::fmt` error: argument never used --> $DIR/format-foreign.rs:17:30 | 17 | println!("{} %f", "one", 2.0); //~ ERROR never used | ^^^ error: named argument never used --> $DIR/format-foreign.rs:19:39 | 19 | println!("Hi there, $NAME.", NAME="Tim"); //~ ERROR never used | ^^^^^ | = help: `$NAME` should be written as `{NAME}` = note: shell formatting not supported; see the documentation for `std::fmt` error: aborting due to 4 previous errors