Add unittest

[   71s] + ./atomic_cell
[   71s]
[   71s] running 21 tests
[   71s] test arithmetic_i128 ... ok
[   71s] test arithmetic_i16 ... ok
[   71s] test arithmetic_i32 ... ok
[   71s] test arithmetic_i64 ... ok
[   71s] test arithmetic_i8 ... ok
[   71s] test arithmetic_u128 ... ok
[   71s] test arithmetic_u16 ... ok
[   71s] test arithmetic_u32 ... ok
[   71s] test arithmetic_u8 ... ok
[   71s] test const_is_lock_free ... ok
[   71s] test drops_usize ... ok
[   71s] test drops_unit ... ok
[   71s] test arithmetic_u64 ... ok
[   71s] test drops_u8 ... ok
[   71s] test const_atomic_cell_new ... ok
[   71s] test garbage_padding ... ok
[   71s] test issue_748 ... ok
[   71s] test is_lock_free ... ok
[   71s] test modular_u8 ... ok
[   71s] test issue_833 ... ok
[   71s] test modular_usize ... ok
[   71s]
[   71s] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[   71s]
[   71s] + for unit_test in '${unit_test_list}'
[   71s] + ./cache_padded
[   71s]
[   71s] running 10 tests
[   71s] test clone ... ok
[   71s] test default ... ok
[   71s] test different_sizes ... ok
[   71s] test debug ... ok
[   71s] test distance ... ok
[   71s] test drops ... ok
[   71s] test large ... ok
[   71s] test runs_custom_clone ... ok
[   71s] test store_pair ... ok
[   71s] test store_u64 ... ok
[   71s]
[   71s] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[   71s]
[   71s] + for unit_test in '${unit_test_list}'
[   71s] + ./parker
[   71s]
[   71s] running 3 tests
[   71s] test park_timeout_unpark_before ... ok
[   71s] test park_timeout_unpark_not_called ... ok
[   72s] test park_timeout_unpark_called_other_thread ... ok
[   72s]
[   72s] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.53s
[   72s]
[   72s] + for unit_test in '${unit_test_list}'
[   72s] + ./sharded_lock
[   72s]
[   72s] running 15 tests
[   72s] test arc_access_in_unwind ... ok
[   72s] test arc_no_poison_sl ... ok
[   72s] test arc_no_poison_rr ... ok
[   72s] test arc_poison_wr ... ok
[   72s] test test_get_mut ... ok
[   72s] test smoke ... ok
[   72s] test arc_poison_ww ... ok
[   72s] test arc ... ok
[   72s] test test_into_inner_drop ... ok
[   72s] test test_into_inner ... ok
[   72s] test try_write ... ok
[   72s] test unsized_type ... ok
[   72s] test test_into_inner_poison ... ok
[   72s] test frob ... ok
[   72s] test test_get_mut_poison ... ok
[   72s]
[   72s] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[   72s]
[   72s] + for unit_test in '${unit_test_list}'
[   72s] + ./thread
[   72s]
[   72s] running 10 tests
[   72s] test join ... ok
[   72s] test counter ... ok
[   72s] test counter_builder ... ok
[   72s] test scope_returns_ok ... ok
[   72s] test panic_many ... ok
[   72s] test nesting ... ok
[   72s] test as_pthread_t ... ok
[   72s] test counter_panic ... ok
[   72s] test join_nested ... ok
[   72s] test panic_twice ... ok
[   72s]
[   72s] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.56s
[   72s]
[   72s] + for unit_test in '${unit_test_list}'
[   72s] + ./wait_group
[   72s]
[   72s] running 2 tests
[   72s] test wait ... ok
[   72s] test wait_and_drop ... ok
[   72s]
[   72s] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s

Add requires

Bump to rust-crossbeam-utils 0.8.15

Import crossbeam-utils 0.8.15