error: unexpected end of macro invocation
  --> $DIR/offset-of-arg-count.rs:6:34
   |
LL |     offset_of!(NotEnoughArguments);
   |                                  ^ missing tokens in macro arguments
   |
note: while trying to match `,`
  --> $SRC_DIR/core/src/mem/mod.rs:LL:COL

error: unexpected end of macro invocation
  --> $DIR/offset-of-arg-count.rs:7:45
   |
LL |     offset_of!(NotEnoughArgumentsWithAComma, );
   |                                             ^ missing tokens in macro arguments
   |
note: while trying to match meta-variable `$fields:tt`
  --> $SRC_DIR/core/src/mem/mod.rs:LL:COL

error: no rules expected the token `too`
  --> $DIR/offset-of-arg-count.rs:8:34
   |
LL |     offset_of!(Container, field, too many arguments);
   |                                  ^^^ no rules expected this token in macro call
   |
   = note: while trying to match sequence end

error: unexpected end of macro invocation
  --> $DIR/offset-of-arg-count.rs:11:21
   |
LL |     offset_of!(S, f.);
   |                     ^ missing tokens in macro arguments
   |
note: while trying to match meta-variable `$fields:tt`
  --> $SRC_DIR/core/src/mem/mod.rs:LL:COL

error: expected identifier, found `,`
  --> $DIR/offset-of-arg-count.rs:12:21
   |
LL |     offset_of!(S, f.,);
   |                     ^ expected identifier

error: no rules expected the token `..`
  --> $DIR/offset-of-arg-count.rs:13:20
   |
LL |     offset_of!(S, f..);
   |                    ^^ no rules expected this token in macro call
   |
   = note: while trying to match sequence start

error: no rules expected the token `..`
  --> $DIR/offset-of-arg-count.rs:14:20
   |
LL |     offset_of!(S, f..,);
   |                    ^^ no rules expected this token in macro call
   |
   = note: while trying to match sequence start

error: aborting due to 7 previous errors