Existing Modules(output_0.rs/mod_1/output_1.rs) are not recognized as part of library(mods_dir/lib.rs).

error[E0583]: file not found for module `output_0`
  --> mod_dirssrclib.rs:18:5
   |
18 |     pub mod output_0;
   |     ^^^^^^^^^^^^^^^^^
   |
   = help: to create the module `output_0`, create file "mod_dirssrcmods_diroutput_0.rs" or "mod_dirssrcmods_diroutput_0mod.rs"