these 4 derivations will be built:
  /nix/store/5lrl6a8kxwxhip40rksbx0rg7a3wqic9-crate-http-cache-1.0.0-alpha.8.tar.gz.drv
  /nix/store/lh1872hd2qxhsgync5bbis5lqi345d0k-http-cache-1.0.0-alpha.8.drv
  /nix/store/wgraihjfx42isp2qzirlhwqi104ry343-cargo-vendor-dir.drv
  /nix/store/b7piq60x41s2zhvw3lhz3917hdc0wnxm-citiesapp-frontend.drv
error: Cannot build '/nix/store/b7piq60x41s2zhvw3lhz3917hdc0wnxm-citiesapp-frontend.drv'.
       Reason: builder failed with exit code 101.
       Output paths:
         /nix/store/hr7d9mvazf08b1rj2sw66chyprzd72zm-citiesapp-frontend
       Last 25 log lines:
       >     | |_____^ not a member of trait `Middleware`
       >
       > error[E0407]: method `policy_with_options` is not a member of trait `Middleware`
       >    --> /build/cargo-vendor-dir/http-cache-reqwest-1.0.0-alpha.8/src/lib.rs:467:5
       >     |
       > 467 | /     fn policy_with_options(
       > 468 | |         &self,
       > 469 | |         response: &HttpResponse,
       > 470 | |         options: CacheOptions,
       > ...   |
       > 477 | |         ))
       > 478 | |     }
       >     | |_____^ not a member of trait `Middleware`
       >
       > error[E0407]: method `method` is not a member of trait `Middleware`
       >    --> /build/cargo-vendor-dir/http-cache-reqwest-1.0.0-alpha.8/src/lib.rs:516:5
       >     |
       > 516 | /     fn method(&self) -> Result<String> {
       > 517 | |         Ok(self.req.method().as_ref().to_string())
       > 518 | |     }
       >     | |_____^ not a member of trait `Middleware`
       >
       > For more information about this error, try `rustc --explain E0407`.
       > error: could not compile `http-cache-reqwest` (lib) due to 3 previous errors
       > warning: build failed, waiting for other jobs to finish...
       For full logs, run:
         nix log /nix/store/b7piq60x41s2zhvw3lhz3917hdc0wnxm-citiesapp-frontend.drv