error: attribute value must be a literal
  --> $DIR/key-value-expansion.rs:21:6
   |
LL | bug!((column!()));
   |      ^^^^^^^^^^^

error: attribute value must be a literal
  --> $DIR/key-value-expansion.rs:27:14
   |
LL |         bug!("bug" + stringify!(found));
   |              ^^^^^^^^^^^^^^^^^^^^^^^^^
...
LL | bug!();
   | ------ in this macro invocation
   |
   = note: this error originates in the macro `bug` (in Nightly builds, run with -Z macro-backtrace for more info)

error: attribute value must be a literal
  --> $DIR/key-value-expansion.rs:48:23
   |
LL |         doc_comment! {format!("{coor}", coor = stringify!($t1)).as_str()}
   |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
...
LL | some_macro!(u8);
   | --------------- in this macro invocation
   |
   = note: this error originates in the macro `some_macro` (in Nightly builds, run with -Z macro-backtrace for more info)

error: aborting due to 3 previous errors