error[E0015]: cannot call non-const formatting macro in constant functions --> $DIR/format.rs:2:13 | LL | panic!("{:?}", 0); | ^^^^ | = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants = note: this error originates in the macro `$crate::const_format_args` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0015]: cannot call non-const fn `Arguments::<'_>::new_v1` in constant functions --> $DIR/format.rs:2:5 | LL | panic!("{:?}", 0); | ^^^^^^^^^^^^^^^^^ | = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants = note: this error originates in the macro `$crate::const_format_args` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0015]: cannot call non-const formatting macro in constant functions --> $DIR/format.rs:8:15 | LL | println!("{:?}", 0); | ^^^^ | = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants = note: this error originates in the macro `$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[E0015]: cannot call non-const fn `Arguments::<'_>::new_v1` in constant functions --> $DIR/format.rs:8:5 | LL | println!("{:?}", 0); | ^^^^^^^^^^^^^^^^^^^ | = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants = note: this error originates in the macro `$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[E0015]: cannot call non-const fn `_print` in constant functions --> $DIR/format.rs:8:5 | LL | println!("{:?}", 0); | ^^^^^^^^^^^^^^^^^^^ | = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants = note: this error originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) error: aborting due to 5 previous errors For more information about this error, try `rustc --explain E0015`.