error: trace_macros! accepts only `true` or `false` --> $DIR/trace_macros-format.rs:4:5 | LL | trace_macros!(); | ^^^^^^^^^^^^^^^ error: trace_macros! accepts only `true` or `false` --> $DIR/trace_macros-format.rs:5:5 | LL | trace_macros!(1); | ^^^^^^^^^^^^^^^^ error: trace_macros! accepts only `true` or `false` --> $DIR/trace_macros-format.rs:6:5 | LL | trace_macros!(ident); | ^^^^^^^^^^^^^^^^^^^^ error: trace_macros! accepts only `true` or `false` --> $DIR/trace_macros-format.rs:7:5 | LL | trace_macros!(for); | ^^^^^^^^^^^^^^^^^^ error: trace_macros! accepts only `true` or `false` --> $DIR/trace_macros-format.rs:8:5 | LL | trace_macros!(true,); | ^^^^^^^^^^^^^^^^^^^^ error: trace_macros! accepts only `true` or `false` --> $DIR/trace_macros-format.rs:9:5 | LL | trace_macros!(false 1); | ^^^^^^^^^^^^^^^^^^^^^^ error: aborting due to 6 previous errors