error: cannot test inner items
  --> $DIR/test-inner-fn.rs:5:5
   |
LL |     #[test]
   |     ^^^^^^^
   |
   = note: requested on the command line with `-D unnameable-test-items`
   = note: this error originates in the attribute macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)

error: cannot test inner items
  --> $DIR/test-inner-fn.rs:13:9
   |
LL |         #[test]
   |         ^^^^^^^
   |
   = note: this error originates in the attribute macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)

error: aborting due to 2 previous errors