* Update dependencies

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* Update

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* Revert some deps; Fix some warnings

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* Improve utils of derive

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* Bump bitvec to 0.15

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* Improve utils of derive

Signed-off-by: koushiro <koushiro.cqx@gmail.com>