these 4 derivations will be built:
  /nix/store/8d41xyw18rvmsczqp5wfaic0ijgajcai-Cargo.toml.drv
  /nix/store/76a51siff7lmhr8zxlmrx9wd36hp1fvs-source.drv
  /nix/store/50x511mqxsa13jnq85q3dhddz6zi0k91-harmonia-deps-3.2.0.drv
  /nix/store/z5787k040plrxmz4jsqp59c0awqj1ksl-harmonia-llvm-cov-3.2.0.drv
Failed to find a machine for remote build!
derivation: 50x511mqxsa13jnq85q3dhddz6zi0k91-harmonia-deps-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], [])
Failed to find a machine for remote build!
derivation: z5787k040plrxmz4jsqp59c0awqj1ksl-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/z5787k040plrxmz4jsqp59c0awqj1ksl-harmonia-llvm-cov-3.2.0.drv'.
       Reason: builder failed with exit code 100.
       Output paths:
         /nix/store/1ark6i6hfc9gzh4krqj4m8d6bmsmcaxn-harmonia-llvm-cov-3.2.0
       Last 25 log lines:
       >         PASS [  24.590s] (2187/2376) harmonia-cache::retry test_download_retry_over_flaky_connection
       >         PASS [  51.247s] (2188/2376) harmonia-protocol wire_roundtrip::roundtrip_query_missing_result
       > ────────────
       >      Summary [  51.927s] 2188/2376 tests run: 2169 passed (15 leaky), 19 failed, 0 skipped
       >         FAIL [   1.247s] (2011/2376) harmonia-store-gc gc::tests::clean_links_removes_only_unreferenced
       >         FAIL [   1.455s] (2128/2376) harmonia-store-gc::integration gc_keeps_temp_root_not_yet_in_db
       >         FAIL [   1.483s] (2131/2376) harmonia-store-gc::integration gc_keeps_runtime_roots_from_open_fd
       >         FAIL [   1.772s] (2136/2376) harmonia-store-gc::integration gc_keeps_ca_deriver_via_deriver_field_not_build_trace
       >         FAIL [   1.798s] (2137/2376) harmonia-store-gc::integration gc_keeps_deriver_of_alive_path
       >         FAIL [   1.807s] (2139/2376) harmonia-store-gc::integration gc_deletes_unreferenced_paths
       >         FAIL [   1.829s] (2141/2376) harmonia-store-gc::integration gc_socket_root_mid_gc_keeps_path_and_deletes_rest
       >         FAIL [   1.832s] (2142/2376) harmonia-store-gc::integration gc_scans_roots_despite_unfollowable_indirect_target
       >         FAIL [   1.858s] (2143/2376) harmonia-store-gc::integration gc_does_not_hang_on_tmp_fifo
       >         FAIL [   1.853s] (2144/2376) harmonia-store-gc::integration gc_keeps_transitive_closure
       >         FAIL [   1.886s] (2146/2376) harmonia-store-gc::integration gc_socket_serves_before_graph_load_and_keeps_early_roots
       >         FAIL [   2.017s] (2147/2376) harmonia-store-gc::integration gc_keeps_ca_output_via_build_trace
       >         FAIL [   2.116s] (2151/2376) harmonia-store-gc::integration gc_handles_self_references
       >         FAIL [   2.598s] (2155/2376) harmonia-store-gc::integration gc_cleans_unused_links_only_when_not_dry_run
       >         FAIL [   2.643s] (2156/2376) harmonia-store-gc::integration gc_ignores_invalid_store_basenames
       >         FAIL [   3.096s] (2163/2376) harmonia-store-gc::integration gc_keeps_unknown_path_registered_after_snapshot
       >         FAIL [   3.124s] (2166/2376) harmonia-store-gc::integration gc_deletes_drv_when_output_deriver_is_unset
       >         FAIL [   3.298s] (2169/2376) harmonia-store-gc::integration gc_keeps_runtime_roots_from_environ
       >         FAIL [   3.314s] (2170/2376) harmonia-store-gc::integration gc_keeps_lock_file_of_active_build
       > warning: 188/2376 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/z5787k040plrxmz4jsqp59c0awqj1ksl-harmonia-llvm-cov-3.2.0.drv