* Derive `Eq` for `PkgFmt`, `PkgFmtDecomposed` & `TarBasedFmt`
* Derive `Eq` for `PkgMeta`, `PkgOverride` & `BinMeta`
* Rm unnecessary reborrow in `install_from_source`
* Rm unnecessary `into()` in `args::parse`
* Fix `clippy` warning in `CratesToml::append_to_path`
* Fix clippy warning in `cratesio_url`
* Fix clippy warning in `detect_targets_linux`
* Add `clippy` and `rustfmt` to workflow `unit-test`
Because `clippy` would not check inactive code disabled by `cfg`, so we
have to also run `clippy` on multiple targets.
Signed-off-by: Jiahao XU <Jiahao_XU@outlook.com>
