error[E0433]: failed to resolve: use of unresolved module or unlinked crate `somedep`
  --> $DIR/noprelude.rs:6:5
   |
LL |     somedep::somefun();
   |     ^^^^^^^ use of unresolved module or unlinked crate `somedep`
   |
   = help: you might be missing a crate named `somedep`

error: aborting due to 1 previous error

For more information about this error, try `rustc --explain E0433`.