error[E0704]: incorrect visibility restriction
  --> $DIR/pub-restricted.rs:3:6
   |
LL | pub (a) fn afn() {}
   |      ^
   |
   = help: some possible visibility restrictions are:
           `pub(crate)`: visible only on the current crate
           `pub(super)`: visible only in the current module's parent
           `pub(in path::to::module)`: visible only on the specified path
help: make this visible only to module `a` with `in`
   |
LL | pub (in a) fn afn() {}
   |      ~~~~

error[E0704]: incorrect visibility restriction
  --> $DIR/pub-restricted.rs:4:6
   |
LL | pub (b) fn bfn() {}
   |      ^
   |
   = help: some possible visibility restrictions are:
           `pub(crate)`: visible only on the current crate
           `pub(super)`: visible only in the current module's parent
           `pub(in path::to::module)`: visible only on the specified path
help: make this visible only to module `b` with `in`
   |
LL | pub (in b) fn bfn() {}
   |      ~~~~

error[E0704]: incorrect visibility restriction
  --> $DIR/pub-restricted.rs:5:6
   |
LL | pub (crate::a) fn cfn() {}
   |      ^^^^^^^^
   |
   = help: some possible visibility restrictions are:
           `pub(crate)`: visible only on the current crate
           `pub(super)`: visible only in the current module's parent
           `pub(in path::to::module)`: visible only on the specified path
help: make this visible only to module `crate::a` with `in`
   |
LL | pub (in crate::a) fn cfn() {}
   |      ~~~~~~~~~~~

error[E0704]: incorrect visibility restriction
  --> $DIR/pub-restricted.rs:22:14
   |
LL |         pub (a) invalid: usize,
   |              ^
   |
   = help: some possible visibility restrictions are:
           `pub(crate)`: visible only on the current crate
           `pub(super)`: visible only in the current module's parent
           `pub(in path::to::module)`: visible only on the specified path
help: make this visible only to module `a` with `in`
   |
LL |         pub (in a) invalid: usize,
   |              ~~~~

error[E0704]: incorrect visibility restriction
  --> $DIR/pub-restricted.rs:31:6
   |
LL | pub (xyz) fn xyz() {}
   |      ^^^
   |
   = help: some possible visibility restrictions are:
           `pub(crate)`: visible only on the current crate
           `pub(super)`: visible only in the current module's parent
           `pub(in path::to::module)`: visible only on the specified path
help: make this visible only to module `xyz` with `in`
   |
LL | pub (in xyz) fn xyz() {}
   |      ~~~~~~

error[E0742]: visibilities can only be restricted to ancestor modules
  --> $DIR/pub-restricted.rs:23:17
   |
LL |         pub (in x) non_parent_invalid: usize,
   |                 ^

error: aborting due to 6 previous errors

Some errors have detailed explanations: E0704, E0742.
For more information about an error, try `rustc --explain E0704`.