error[E0658]: `trace_macros` is not stable enough for use and is subject to change (see issue #29598)
  --> $DIR/trace_macros-gate.rs:14:5
   |
LL |     trace_macros!(); //~ ERROR `trace_macros` is not stable
   |     ^^^^^^^^^^^^^^^^
   |
   = help: add #![feature(trace_macros)] to the crate attributes to enable

error[E0658]: `trace_macros` is not stable enough for use and is subject to change (see issue #29598)
  --> $DIR/trace_macros-gate.rs:15:5
   |
LL |     trace_macros!(1); //~ ERROR `trace_macros` is not stable
   |     ^^^^^^^^^^^^^^^^^
   |
   = help: add #![feature(trace_macros)] to the crate attributes to enable

error[E0658]: `trace_macros` is not stable enough for use and is subject to change (see issue #29598)
  --> $DIR/trace_macros-gate.rs:16:5
   |
LL |     trace_macros!(ident); //~ ERROR `trace_macros` is not stable
   |     ^^^^^^^^^^^^^^^^^^^^^
   |
   = help: add #![feature(trace_macros)] to the crate attributes to enable

error[E0658]: `trace_macros` is not stable enough for use and is subject to change (see issue #29598)
  --> $DIR/trace_macros-gate.rs:17:5
   |
LL |     trace_macros!(for); //~ ERROR `trace_macros` is not stable
   |     ^^^^^^^^^^^^^^^^^^^
   |
   = help: add #![feature(trace_macros)] to the crate attributes to enable

error[E0658]: `trace_macros` is not stable enough for use and is subject to change (see issue #29598)
  --> $DIR/trace_macros-gate.rs:18:5
   |
LL |     trace_macros!(true,); //~ ERROR `trace_macros` is not stable
   |     ^^^^^^^^^^^^^^^^^^^^^
   |
   = help: add #![feature(trace_macros)] to the crate attributes to enable

error[E0658]: `trace_macros` is not stable enough for use and is subject to change (see issue #29598)
  --> $DIR/trace_macros-gate.rs:19:5
   |
LL |     trace_macros!(false 1); //~ ERROR `trace_macros` is not stable
   |     ^^^^^^^^^^^^^^^^^^^^^^^
   |
   = help: add #![feature(trace_macros)] to the crate attributes to enable

error[E0658]: `trace_macros` is not stable enough for use and is subject to change (see issue #29598)
  --> $DIR/trace_macros-gate.rs:26:26
   |
LL |         ($x: ident) => { trace_macros!($x) } //~ ERROR `trace_macros` is not stable
   |                          ^^^^^^^^^^^^^^^^^
...
LL |     expando!(true);
   |     --------------- in this macro invocation
   |
   = help: add #![feature(trace_macros)] to the crate attributes to enable

error: aborting due to 7 previous errors

For more information about this error, try `rustc --explain E0658`.