this derivation will be built:
  /nix/store/7v6sjqdvbi9q0335c4vrz6qd3s966nbb-harmonia-llvm-cov-3.2.0.drv
Failed to find a machine for remote build!
derivation: 7v6sjqdvbi9q0335c4vrz6qd3s966nbb-harmonia-llvm-cov-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/7v6sjqdvbi9q0335c4vrz6qd3s966nbb-harmonia-llvm-cov-3.2.0.drv'.
       Reason: builder failed with exit code 100.
       Output paths:
         /nix/store/ydmwfrid8cqrgyy80f701jywyq40rmfn-harmonia-llvm-cov-3.2.0
       Last 25 log lines:
       >         PASS [  49.090s] (2375/2375) harmonia-protocol wire_roundtrip::roundtrip_query_missing_result
       > ────────────
       >      Summary [  49.678s] 2375 tests run: 2354 passed (84 leaky), 21 failed, 0 skipped
       >         FAIL [   1.047s] (2313/2375) harmonia-store-gc gc::tests::clean_links_removes_only_unreferenced
       >         FAIL [   1.226s] (2320/2375) harmonia-store-gc::integration gc_keeps_deriver_of_alive_path
       >         FAIL [   1.243s] (2323/2375) harmonia-store-gc::integration gc_drops_partial_temp_root
       >         FAIL [   1.244s] (2324/2375) harmonia-store-gc::integration gc_socket_root_mid_gc_keeps_path_and_deletes_rest
       >         FAIL [   1.261s] (2325/2375) harmonia-store-gc::integration gc_store_dir_trailing_slash_is_normalized
       >         FAIL [   1.272s] (2326/2375) harmonia-store-gc::integration gc_deletes_readonly_paths
       >         FAIL [   1.280s] (2327/2375) harmonia-store-gc::integration gc_ignores_invalid_store_basenames
       >         FAIL [   1.354s] (2329/2375) harmonia-store-gc::integration gc_deletes_unreferenced_paths
       >         FAIL [   1.354s] (2330/2375) harmonia-store-gc::integration gc_keeps_ca_deriver_via_deriver_field_not_build_trace
       >         FAIL [   1.484s] (2332/2375) harmonia-store-gc::integration gc_max_freed_stops_early
       >         FAIL [   1.644s] (2333/2375) harmonia-store-gc::integration gc_removes_stale_temp_roots_file
       >         FAIL [   1.723s] (2334/2375) harmonia-store-gc::integration gc_runtime_roots_validated_against_db
       >         FAIL [   1.777s] (2335/2375) harmonia-store-gc::integration gc_keeps_runtime_roots_from_open_fd
       >         FAIL [   1.789s] (2336/2375) harmonia-store-gc::integration gc_deletes_non_utf8_store_entry
       >         FAIL [   1.887s] (2339/2375) harmonia-store-gc::integration gc_keeps_lock_file_of_active_build
       >         FAIL [   2.034s] (2344/2375) harmonia-store-gc::integration gc_skips_locked_tmp_dir
       >         FAIL [   2.221s] (2346/2375) harmonia-store-gc::integration gc_keeps_runtime_roots_from_environ
       >         FAIL [   2.248s] (2347/2375) harmonia-store-gc::integration gc_keeps_unknown_path_registered_after_snapshot
       >         FAIL [   2.457s] (2348/2375) harmonia-store-gc::integration gc_keeps_ca_outputs_of_alive_drv
       >         FAIL [   2.585s] (2352/2375) harmonia-store-gc::integration gc_deletes_drv_when_output_deriver_is_unset
       >         FAIL [   2.808s] (2355/2375) harmonia-store-gc::integration gc_keeps_temp_root_not_yet_in_db
       > error: test run failed
       For full logs, run:
         nix log /nix/store/7v6sjqdvbi9q0335c4vrz6qd3s966nbb-harmonia-llvm-cov-3.2.0.drv