this derivation will be built:
  /nix/store/6phrssqzrz93xaz6h7cnx3dfybyq7b55-harmonia-llvm-cov-3.2.0.drv
error: Cannot build '/nix/store/6phrssqzrz93xaz6h7cnx3dfybyq7b55-harmonia-llvm-cov-3.2.0.drv'.
       Reason: builder failed with exit code 100.
       Output paths:
         /nix/store/xglymxq8fka14m3d397wp22hj3l4w1ar-harmonia-llvm-cov-3.2.0
       Last 25 log lines:
       >         FAIL [   1.721s] (2260/2375) harmonia-store-gc::integration gc_ignores_invalid_store_basenames
       >         FAIL [   1.712s] (2261/2375) harmonia-store-gc::integration gc_removes_unlocked_tmp_dir
       >         FAIL [   1.824s] (2263/2375) harmonia-store-gc::integration gc_runtime_roots_validated_against_db
       >         FAIL [   1.840s] (2264/2375) harmonia-store-gc::integration gc_keeps_ca_output_via_build_trace
       >         FAIL [   1.947s] (2265/2375) harmonia-store-gc::integration gc_drops_partial_temp_root
       >         FAIL [   1.967s] (2266/2375) harmonia-store-gc::integration gc_scans_roots_despite_unfollowable_indirect_target
       >         FAIL [   2.040s] (2267/2375) harmonia-store-gc::integration gc_deletes_unreferenced_paths
       >         FAIL [   2.099s] (2270/2375) harmonia-store-gc::integration gc_rebases_canonical_runtime_roots_to_logical_store
       >         FAIL [   2.123s] (2271/2375) harmonia-store-gc::integration gc_keeps_lock_file_of_active_build
       >         FAIL [   2.139s] (2272/2375) harmonia-store-gc::integration gc_deletes_non_utf8_store_entry
       >         FAIL [   2.149s] (2273/2375) harmonia-store-gc::integration gc_deletes_drv_when_output_deriver_is_unset
       >         FAIL [   2.128s] (2274/2375) harmonia-store-gc::integration gc_socket_serves_before_graph_load_and_keeps_early_roots
       >         FAIL [   2.166s] (2275/2375) harmonia-store-gc::integration gc_handles_self_references
       >         FAIL [   2.639s] (2277/2375) harmonia-store-gc::integration gc_cleans_unused_links_only_when_not_dry_run
       >         FAIL [   3.214s] (2281/2375) harmonia-store-gc::integration gc_removes_unknown_disk_entries
       >         FAIL [   3.228s] (2282/2375) harmonia-store-gc::integration gc_keeps_indirect_auto_root
       >         FAIL [   3.278s] (2283/2375) harmonia-store-gc::integration gc_keeps_runtime_roots_from_environ
       >         FAIL [   3.437s] (2284/2375) harmonia-store-gc::integration gc_keeps_ca_outputs_of_alive_drv
       >         FAIL [   3.517s] (2287/2375) harmonia-store-gc::integration gc_removes_reserved_space_file_and_creates_private_lock
       >         FAIL [   3.636s] (2288/2375) harmonia-store-gc::integration gc_does_not_hang_on_tmp_fifo
       >         FAIL [   3.877s] (2292/2375) harmonia-store-gc::integration gc_keeps_transitive_closure
       >         FAIL [   3.890s] (2293/2375) harmonia-store-gc::integration gc_keeps_ca_deriver_via_deriver_field_not_build_trace
       >         FAIL [   4.150s] (2298/2375) harmonia-store-gc::integration gc_keeps_unknown_path_registered_after_snapshot
       > warning: 71/2375 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/6phrssqzrz93xaz6h7cnx3dfybyq7b55-harmonia-llvm-cov-3.2.0.drv