1 error: cannot test inner items
2 --> $DIR/test-inner-fn.rs:5:5
7 = note: requested on the command line with `-D unnameable-test-items`
8 = note: this error originates in the attribute macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
10 error: cannot test inner items
11 --> $DIR/test-inner-fn.rs:13:9
16 = note: this error originates in the attribute macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
18 error: aborting due to 2 previous errors