error: no rules expected the token `bcd`
  --> $DIR/trace_faulty_macros.rs:7:26
   |
LL | macro_rules! my_faulty_macro {
   | ---------------------------- when calling this macro
LL |     () => {
LL |         my_faulty_macro!(bcd);
   |                          ^^^ no rules expected this token in macro call
...
LL |     my_faulty_macro!();
   |     ------------------- in this macro invocation
   |
   = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)

note: trace_macro
  --> $DIR/trace_faulty_macros.rs:33:5
   |
LL |     my_faulty_macro!();
   |     ^^^^^^^^^^^^^^^^^^^
   |
   = note: expanding `my_faulty_macro! {  }`
   = note: to `my_faulty_macro ! (bcd) ;`
   = note: expanding `my_faulty_macro! { bcd }`

error: recursion limit reached while expanding `my_recursive_macro!`
  --> $DIR/trace_faulty_macros.rs:22:9
   |
LL |         my_recursive_macro!();
   |         ^^^^^^^^^^^^^^^^^^^^^^
...
LL |     my_recursive_macro!();
   |     ---------------------- in this macro invocation
   |
   = help: consider adding a `#![recursion_limit="8"]` attribute to your crate (`trace_faulty_macros`)
   = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)

note: trace_macro
  --> $DIR/trace_faulty_macros.rs:34:5
   |
LL |     my_recursive_macro!();
   |     ^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: expanding `my_recursive_macro! {  }`
   = note: to `my_recursive_macro ! () ;`
   = note: expanding `my_recursive_macro! {  }`
   = note: to `my_recursive_macro ! () ;`
   = note: expanding `my_recursive_macro! {  }`
   = note: to `my_recursive_macro ! () ;`
   = note: expanding `my_recursive_macro! {  }`
   = note: to `my_recursive_macro ! () ;`

error: expected expression, found `A { a: a, b: 0, c: _, .. }`
  --> $DIR/trace_faulty_macros.rs:16:9
   |
LL |         $a
   |         ^^ expected expression
...
LL |     let a = pat_macro!();
   |             ------------ in this macro invocation
   |
   = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)

error: aborting due to 3 previous errors