normal cargo test

     Running target/debug/parallel_letter_frequency-633a2f434576b678

running 0 tests

test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured

     Running target/debug/parallel_letter_frequency-92f6d5c26c276ad3

running 9 tests
test test_all_three_anthems_1_worker ... ignored
test test_all_three_anthems_3_workers ... ignored
test test_case_insensitivity ... ignored
test test_many_empty_lines ... ignored
test test_many_times_same_text ... ignored
test test_numbers_dont_count ... ignored
test test_one_letter ... ignored
test test_punctuation_doesnt_count ... ignored
test test_no_texts ... FAILED

failures:

---- test_no_texts stdout ----
	thread 'test_no_texts' panicked at 'not yet implemented', src/lib.rs:5
note: Run with `RUST_BACKTRACE=1` for a backtrace.


failures:
    test_no_texts

test result: FAILED. 0 passed; 1 failed; 8 ignored; 0 measured