$ cargo test Compiling guessing_game v0.1.0 (file:///projects/guessing_game) Finished test [unoptimized + debuginfo] target(s) in 0.62s Running unittests src/lib.rs (target/debug/deps/guessing_game-57d70c3acb738f4d) running 1 test test tests::greater_than_100 - should panic ... FAILED failures: ---- tests::greater_than_100 stdout ---- note: test did not panic as expected failures: tests::greater_than_100 test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s error: test failed, to rerun pass '--lib'