error[E0583]: file not found for module `missing`
  --> $DIR/foo_inline.rs:4:9
   |
LL |     mod missing;
   |         ^^^^^^^
   |
   = help: name the file either missing.rs or missing/mod.rs inside the directory "$DIR/foo_inline/inline"

error: aborting due to previous error

For more information about this error, try `rustc --explain E0583`.
