Compile error in main code when doc-testing a crate that has the same name as a module #68488
Description
In a crate that has the same name as a top-level module, exporting a name from this module causes rustdoc (and only rustdoc) to error when it is ran.
// Crate name: `this_crate`.
mod this_crate { pub struct Item; }
pub use this_crate::Item;error[E0659]: `this_crate` is ambiguous
> cargo test --doc
Finished test [unoptimized + debuginfo] target(s) in 0.00s
Doc-tests this_crate
error[E0659]: `this_crate` is ambiguous (name vs any other name during import resolution)
--> /tmp/test_dir/no-alloc/src/lib.rs:7:9
|
7 | pub use this_crate::Item;
| ^^^^^^^^^^ ambiguous name
|
= note: `this_crate` could refer to a crate passed with `--extern`
= help: use `::this_crate` to refer to this crate unambiguously
note: `this_crate` could also refer to the module defined here
--> /tmp/test_dir/no-alloc/src/lib.rs:1:1
|
1 | mod this_crate { pub struct Item; }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
= help: use `crate::this_crate` to refer to this module unambiguously
error: aborting due to previous error
For more information about this error, try rustc --explain E0659.
running 0 tests
test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
> echo $?
0