this derivation will be built:
  /nix/store/cicq9lcf4brs635w92lgx09x82d782c7-harmonia-clippy-3.2.0.drv
Failed to find a machine for remote build!
derivation: cicq9lcf4brs635w92lgx09x82d782c7-harmonia-clippy-3.2.0.drv
required (system, features): (aarch64-linux, [])
1 available machines:
(systems, maxjobs, supportedFeatures, mandatoryFeatures)
([aarch64-darwin, x86_64-darwin], 8, [big-parallel, recursive-nix], [])
error: Cannot build '/nix/store/cicq9lcf4brs635w92lgx09x82d782c7-harmonia-clippy-3.2.0.drv'.
       Reason: builder failed with exit code 101.
       Output paths:
         /nix/store/5d4wpf6yl1zxxd605nnjhd991kc2j22h-harmonia-clippy-3.2.0
       Last 25 log lines:
       >     Checking harmonia-store-nar-info v3.2.0 (/build/source/harmonia-store-nar-info)
       >     Checking harmonia-store-db v3.2.0 (/build/source/harmonia-store-db)
       >     Checking harmonia-store-aterm v0.0.0-alpha.0 (/build/source/harmonia-store-aterm)
       >     Checking harmonia-store-build-result v3.2.0 (/build/source/harmonia-store-build-result)
       >     Checking harmonia-protocol v3.2.0 (/build/source/harmonia-protocol)
       >     Checking harmonia-cache v3.2.0 (/build/source/harmonia-cache)
       >     Checking harmonia-store-gc v3.2.0 (/build/source/harmonia-store-gc)
       > error: unused import: `IntoParallelRefIterator`
       >   --> harmonia-store-gc/src/roots.rs:17:19
       >    |
       > 17 | use rayon::iter::{IntoParallelRefIterator, ParallelIterator};
       >    |                   ^^^^^^^^^^^^^^^^^^^^^^^
       >    |
       >    = note: `-D unused-imports` implied by `-D warnings`
       >    = help: to override `-D warnings` add `#[allow(unused_imports)]`
       >
       > error: unused import: `ParallelIterator`
       >   --> harmonia-store-gc/src/roots.rs:17:44
       >    |
       > 17 | use rayon::iter::{IntoParallelRefIterator, ParallelIterator};
       >    |                                            ^^^^^^^^^^^^^^^^
       >
       > error: could not compile `harmonia-store-gc` (lib test) due to 2 previous errors
       > warning: build failed, waiting for other jobs to finish...
       > error: could not compile `harmonia-store-gc` (lib) due to 2 previous errors
       For full logs, run:
         nix log /nix/store/cicq9lcf4brs635w92lgx09x82d782c7-harmonia-clippy-3.2.0.drv