this derivation will be built:
  /nix/store/qdsjwp7mz3h0i5v6q3ggjlpf1ivm99i2-harmonia-llvm-cov-3.2.0.drv
Failed to find a machine for remote build!
derivation: qdsjwp7mz3h0i5v6q3ggjlpf1ivm99i2-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/qdsjwp7mz3h0i5v6q3ggjlpf1ivm99i2-harmonia-llvm-cov-3.2.0.drv'.
       Reason: builder failed with exit code 100.
       Output paths:
         /nix/store/2f3xs53hg2gaid98l0g9a2qbv7l16ajh-harmonia-llvm-cov-3.2.0
       Last 25 log lines:
       >         PASS [   0.499s] ( 344/2313) harmonia-file-nar archive::read_nar::unittests::read_nar::case_5_empty_dir::postfix_2_Ok__b__more_______::chunk_size_04_4
       >         PASS [   0.557s] ( 345/2313) harmonia-file-nar archive::read_nar::unittests::read_nar::case_4_empty_file_in_dir::postfix_1_Ok__b_________::chunk_size_08_8
       >         PASS [   0.684s] ( 346/2313) harmonia-cache::endpoints test_root_endpoint
       >         PASS [   0.513s] ( 347/2313) harmonia-file-nar archive::read_nar::unittests::read_nar::case_4_empty_file_in_dir::postfix_2_Ok__b__more_______::chunk_size_12_51
       >         PASS [   0.538s] ( 348/2313) harmonia-file-nar archive::read_nar::unittests::read_nar::case_4_empty_file_in_dir::postfix_1_Ok__b_________::chunk_size_06_6
       >         PASS [   0.722s] ( 349/2313) harmonia-cache::endpoints test_health_endpoint
       >         PASS [   0.717s] ( 350/2313) harmonia-cache::unix test_unix_socket
       >         PASS [   0.818s] ( 351/2313) harmonia-cache::socket_activation test_socket_activation_tcp
       >         PASS [   0.916s] ( 352/2313) harmonia-cache::prometheus test_prometheus_metrics
       >         PASS [   0.927s] ( 353/2313) harmonia-cache::realisations test_build_trace_endpoint
       >         PASS [   0.958s] ( 354/2313) harmonia-cache::tls test_tls
       >         PASS [   0.988s] ( 355/2313) harmonia-cache::error_responses serve_missing_file_does_not_leak_fs_path
       >         PASS [   1.018s] ( 356/2313) harmonia-cache::log test_build_log_endpoint
       >         PASS [   0.991s] ( 357/2313) harmonia-cache::security_paths malformed_hash_is_4xx_not_5xx
       >         PASS [   1.193s] ( 358/2313) harmonia-cache::security_xss landing_page_escapes_host_and_proto_headers
       >         PASS [   1.247s] ( 359/2313) harmonia-cache::signing test_signing
       >         PASS [   1.346s] ( 360/2313) harmonia-cache::security_xss serve_directory_listing_escapes_filenames_in_href
       >         PASS [   1.528s] ( 361/2313) harmonia-file-nar archive::read_nar::proptests::proptest_read_nar
       >         PASS [   1.597s] ( 362/2313) harmonia-cache::chroot test_chroot
       >         PASS [  24.304s] ( 363/2313) harmonia-cache::retry test_download_retry_over_flaky_connection
       > ────────────
       >      Summary [  24.332s] 363/2313 tests run: 362 passed (24 leaky), 1 failed, 0 skipped
       >         FAIL [   0.318s] ( 182/2313) harmonia-cache::endpoints test_root_endpoint_with_signing_keys
       > warning: 1950/2313 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/qdsjwp7mz3h0i5v6q3ggjlpf1ivm99i2-harmonia-llvm-cov-3.2.0.drv