this derivation will be built:
  /nix/store/awfw251zklhwyb0zf23p90c6qg5qd1dg-harmonia-llvm-cov-3.2.0.drv
Failed to find a machine for remote build!
derivation: awfw251zklhwyb0zf23p90c6qg5qd1dg-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/awfw251zklhwyb0zf23p90c6qg5qd1dg-harmonia-llvm-cov-3.2.0.drv'.
       Reason: builder failed with exit code 100.
       Output paths:
         /nix/store/3f1fxck8nh21af2w7w8c89q5gb9smhhn-harmonia-llvm-cov-3.2.0
       Last 25 log lines:
       >        XFAIL [   0.029s] (2249/2376) harmonia-utils-hash fmt::unittests::base16::hash_from_str_error::case_1_unknown_algorithm
       >        XFAIL [   0.029s] (2250/2376) harmonia-utils-hash fmt::unittests::hex_fmt::lower_hex_alt
       >        XFAIL [   0.029s] (2251/2376) harmonia-utils-signature unittests::test_generate
       >        XFAIL [   0.029s] (2252/2376) harmonia-utils-signature unittests::proptest_signature_json
       >         FAIL [   0.979s] (2305/2376) harmonia-store-gc::integration gc_does_not_hang_on_tmp_fifo
       >         FAIL [   0.983s] (2309/2376) harmonia-store-gc::integration gc_empty_store_is_noop
       >         FAIL [   0.986s] (2310/2376) harmonia-store-gc::integration gc_keeps_lock_file_of_active_build
       >         FAIL [   0.993s] (2311/2376) harmonia-store-gc::integration gc_keeps_ca_outputs_of_alive_drv
       >         FAIL [   1.096s] (2320/2376) harmonia-store-gc::integration gc_max_freed_batches_by_estimated_size
       >         FAIL [   1.172s] (2324/2376) harmonia-store-gc gc::tests::clean_links_removes_only_unreferenced
       >         FAIL [   1.178s] (2327/2376) harmonia-store-gc::integration gc_drops_partial_temp_root
       >         FAIL [   1.216s] (2329/2376) harmonia-store-gc::integration gc_removes_unknown_disk_entries
       >         FAIL [   1.325s] (2330/2376) harmonia-store-gc::integration gc_socket_root_mid_gc_keeps_path_and_deletes_rest
       >         FAIL [   1.368s] (2331/2376) harmonia-store-gc::integration gc_keeps_ca_deriver_via_deriver_field_not_build_trace
       >         FAIL [   1.387s] (2333/2376) harmonia-store-gc::integration gc_removes_stale_temp_roots_file
       >         FAIL [   1.409s] (2334/2376) harmonia-store-gc::integration gc_keeps_temp_root_not_yet_in_db
       >         FAIL [   1.420s] (2335/2376) harmonia-store-gc::integration gc_handles_self_references
       >         FAIL [   1.512s] (2337/2376) harmonia-store-gc::integration gc_keeps_runtime_roots_from_environ
       >         FAIL [   1.612s] (2338/2376) harmonia-store-gc::integration gc_store_dir_trailing_slash_is_normalized
       >         FAIL [   1.626s] (2339/2376) harmonia-store-gc::integration gc_scans_roots_despite_unfollowable_indirect_target
       >         FAIL [   1.908s] (2343/2376) harmonia-store-gc::integration gc_runtime_roots_validated_against_db
       >         FAIL [   1.992s] (2345/2376) harmonia-store-gc::integration gc_keeps_transitive_closure
       >         FAIL [   2.044s] (2346/2376) harmonia-store-gc::integration gc_deletes_readonly_paths
       >         FAIL [   2.343s] (2349/2376) harmonia-store-gc::integration gc_rebases_canonical_runtime_roots_to_logical_store
       > error: test run failed
       For full logs, run:
         nix log /nix/store/awfw251zklhwyb0zf23p90c6qg5qd1dg-harmonia-llvm-cov-3.2.0.drv