these 4 derivations will be built:
  /nix/store/igp0nspx032jv65l15v2ll7iwi0hvw0m-Cargo.toml.drv
  /nix/store/9h8wki3whadn5hn59sjr7ial42rjis8r-source.drv
  /nix/store/fln8j898n893wadm2c46yskg5fj368bd-harmonia-deps-3.1.0.drv
  /nix/store/ajwdw90k0wj088ybg1q8hms950bh7cdj-harmonia-3.1.0.drv
error: Cannot build '/nix/store/ajwdw90k0wj088ybg1q8hms950bh7cdj-harmonia-3.1.0.drv'.
       Reason: builder failed with exit code 101.
       Output paths:
         /nix/store/xwsdk11nx3pjsj4zhwhly4i2d9nza84x-harmonia-3.1.0
       Last 25 log lines:
       >    Compiling harmonia-store-derivation v0.0.0-alpha.0 (/build/source/harmonia-store-derivation)
       >    Compiling harmonia-store-path-info v3.1.0 (/build/source/harmonia-store-path-info)
       >    Compiling harmonia-store-nar-info v3.1.0 (/build/source/harmonia-store-nar-info)
       >    Compiling harmonia-store-build-result v3.1.0 (/build/source/harmonia-store-build-result)
       >    Compiling harmonia-store-aterm v0.0.0-alpha.0 (/build/source/harmonia-store-aterm)
       >    Compiling harmonia-store-db v3.1.0 (/build/source/harmonia-store-db)
       >    Compiling harmonia-protocol v3.1.0 (/build/source/harmonia-protocol)
       >    Compiling harmonia-cache v3.1.0 (/build/source/harmonia-cache)
       >    Compiling harmonia-daemon v3.1.0 (/build/source/harmonia-daemon)
       >    Compiling harmonia-store-remote v3.1.0 (/build/source/harmonia-store-remote)
       > error[E0433]: cannot find `HashingReader` in `harmonia_utils_hash`
       >    --> harmonia-daemon/src/handler.rs:343:69
       >     |
       > 343 |             let (hashing_reader, hash_state) = harmonia_utils_hash::HashingReader::new(source);
       >     |                                                                     ^^^^^^^^^^^^^ could not find `HashingReader` in `harmonia_utils_hash`
       >     |
       > help: a struct with a similar name exists
       >     |
       > 343 -             let (hashing_reader, hash_state) = harmonia_utils_hash::HashingReader::new(source);
       > 343 +             let (hashing_reader, hash_state) = harmonia_utils_hash::HashReader::new(source);
       >     |
       >
       > For more information about this error, try `rustc --explain E0433`.
       > error: could not compile `harmonia-daemon` (lib) due to 1 previous error
       > warning: build failed, waiting for other jobs to finish...
       For full logs, run:
         nix log /nix/store/ajwdw90k0wj088ybg1q8hms950bh7cdj-harmonia-3.1.0.drv