this derivation will be built:
  /nix/store/6zd7x84c5whslg20knwab0sjna736vi2-harmonia-llvm-cov-3.2.0.drv
Failed to find a machine for remote build!
derivation: 6zd7x84c5whslg20knwab0sjna736vi2-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/6zd7x84c5whslg20knwab0sjna736vi2-harmonia-llvm-cov-3.2.0.drv'.
       Reason: builder failed with exit code 100.
       Output paths:
         /nix/store/785nypzmp47nxikrhmjlhziv10khlpgc-harmonia-llvm-cov-3.2.0
       Last 25 log lines:
       >         PASS [   8.439s] (2199/2377) harmonia-file-nar archive::restorer::proptests::proptest_restore_dump
       >         PASS [   8.952s] (2200/2377) harmonia-protocol ser::mock::proptests::proptest_mock
       >         PASS [  13.222s] (2201/2377) harmonia-store-gc::integration gc_vacuums_db_after_mass_deletion
       >         PASS [  25.057s] (2202/2377) harmonia-cache::retry test_download_retry_over_flaky_connection
       >         PASS [  46.239s] (2203/2377) harmonia-protocol wire_roundtrip::roundtrip_query_missing_result
       > ────────────
       >      Summary [  46.787s] 2203/2377 tests run: 2187 passed (9 leaky), 15 failed, 1 exec failed, 0 skipped
       >        XFAIL [   0.000s] (2012/2377) harmonia-utils-base-encoding base32::unittests::test_decode_bytes_fail::case_6_invalid_char_3
       >         FAIL [   1.270s] (2147/2377) harmonia-store-gc::integration gc_keeps_deriver_of_alive_path
       >         FAIL [   1.303s] (2148/2377) harmonia-store-gc::integration gc_deletes_unreferenced_paths
       >         FAIL [   1.655s] (2151/2377) harmonia-store-gc::integration gc_keeps_ca_outputs_of_alive_drv
       >         FAIL [   1.960s] (2154/2377) harmonia-store-gc::integration gc_keeps_lock_file_of_active_build
       >         FAIL [   2.166s] (2156/2377) harmonia-store-gc::integration gc_drops_partial_temp_root
       >         FAIL [   2.442s] (2163/2377) harmonia-store-gc::integration gc_keeps_unknown_path_registered_after_snapshot
       >         FAIL [   2.468s] (2165/2377) harmonia-store-gc::integration gc_keeps_ca_deriver_via_deriver_field_not_build_trace
       >         FAIL [   2.474s] (2166/2377) harmonia-store-gc::integration gc_keeps_ca_output_via_build_trace
       >         FAIL [   2.482s] (2167/2377) harmonia-store-gc::integration gc_skips_locked_tmp_dir
       >         FAIL [   2.512s] (2168/2377) harmonia-store-gc::integration gc_ignores_invalid_store_basenames
       >         FAIL [   2.756s] (2170/2377) harmonia-store-gc::integration gc_keeps_temp_root_not_yet_in_db
       >         FAIL [   2.843s] (2171/2377) harmonia-store-gc::integration gc_does_not_hang_on_tmp_fifo
       >         FAIL [   2.895s] (2176/2377) harmonia-store-gc::integration gc_handles_self_references
       >         FAIL [   3.645s] (2188/2377) harmonia-store-gc::integration gc_socket_serves_before_graph_load_and_keeps_early_roots
       >         FAIL [   4.186s] (2194/2377) harmonia-store-gc::integration gc_keeps_runtime_roots_from_open_fd
       > warning: 174/2377 tests were not run due to test failure (run with --no-fail-fast to run all tests, or run with --max-fail)
       > error: test run failed
       For full logs, run:
         nix log /nix/store/6zd7x84c5whslg20knwab0sjna736vi2-harmonia-llvm-cov-3.2.0.drv