error: requires at least a format string argument --> $DIR/bad-format-args.rs:12:5 | 12 | format!(); | ^^^^^^^^^^ | = 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: expected token: `,` --> $DIR/bad-format-args.rs:13:5 | 13 | format!("" 1); | ^^^^^^^^^^^^^^ | = 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: expected token: `,` --> $DIR/bad-format-args.rs:14:5 | 14 | format!("", 1 1); | ^^^^^^^^^^^^^^^^^ | = 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: aborting due to 3 previous errors