$ cargo +nightly check --examples
Checking example_crate v0.1.0 (.../example_crate)
error[E0432]: unresolved import `b`
--> examples/c.rs:1:5
|
1 | use b::b;
| ^ Could not find `b` in `{{root}}`
error: aborting due to previous error
For more information about this error, try `rustc --explain E0432`.
error: Could not compile `example_crate`.
To learn more, run the command again with --verbose.$ cargo +nightly build --examples
Compiling example_crate v0.1.0 (.../example_crate)
error[E0432]: unresolved import `b`
--> examples/c.rs:1:5
|
1 | use b::b;
| ^ Could not find `b` in `{{root}}`
error: aborting due to previous error
For more information about this error, try `rustc --explain E0432`.
error: Could not compile `example_crate`.
To learn more, run the command again with --verbose.It looks like cargo is creating libb:
$ tree target/debug/examples/
target/debug/examples/
├ b-1dcc503f23e0b76b.d
├ b-7b617d848b897e49.d
├ b-e7c00f0c42ff9607.d
├ c-4cad30ab9241529b.d
├ c-ecabb81ac2bff21c.d
├ libb-1dcc503f23e0b76b.rmeta
├ libb-7b617d848b897e49.rlib
├ libb.d
├ libb-e7c00f0c42ff9607.rmeta
├ libb.rlib
└ libb.rmeta
0 directories, 11 files