this derivation will be built:
  /nix/store/n804r0gnv177s1lbzvzrhlx4qiz66ily-harmonia-llvm-cov-3.3.0.drv
error: Cannot build '/nix/store/n804r0gnv177s1lbzvzrhlx4qiz66ily-harmonia-llvm-cov-3.3.0.drv'.
       Reason: builder failed with exit code 100.
       Output paths:
         /nix/store/yzpwla4ji4kcdbaalc2g6flrf470912f-harmonia-llvm-cov-3.3.0
       Last 25 log lines:
       >         PASS [   0.768s] (2497/2517) harmonia-store-gc::integration gc_rebases_canonical_runtime_roots_to_logical_store
       >         PASS [   0.769s] (2498/2517) harmonia-store-gc::integration gc_keeps_ca_outputs_of_alive_drv
       >         PASS [   0.774s] (2499/2517) harmonia-store-gc::integration gc_ignores_invalid_store_basenames
       >         PASS [   0.780s] (2500/2517) harmonia-store-gc::integration gc_socket_serves_before_graph_load_and_keeps_early_roots
       >         PASS [   0.800s] (2501/2517) harmonia-store-gc::integration gc_drops_partial_temp_root
       >         PASS [   0.550s] (2502/2517) harmonia-utils-io bytes_reader::reader::unittests::proptest_buffer_matches_stream
       >         PASS [   0.811s] (2503/2517) harmonia-store-gc::integration gc_deletes_drv_when_output_deriver_is_unset
       >         PASS [   0.796s] (2504/2517) harmonia-store-gc::integration gc_removes_stale_temp_roots_file
       >         PASS [   0.882s] (2505/2517) harmonia-store-gc::integration gc_dry_run_counts_unknown_on_disk
       >         PASS [   0.915s] (2506/2517) harmonia-store-gc::integration gc_cleans_unused_links_only_when_not_dry_run
       >         PASS [   1.084s] (2507/2517) harmonia-store-aterm input_address::tests::hash_derivation_deterministic
       >         PASS [   1.102s] (2508/2517) harmonia-store-aterm input_address::tests::fill_outputs_updates_env
       >         PASS [   1.249s] (2509/2517) harmonia-store-aterm input_address::tests::fill_outputs_consistent_with_make_output_path
       >         PASS [   1.418s] (2510/2517) harmonia-store-gc gc_socket::stress_tests::concurrent_clients_never_resurrect_deleted_paths
       >         PASS [   2.309s] (2511/2517) harmonia-file-nar archive::parser::unittests::proptest_parse_stream
       >         PASS [   2.413s] (2512/2517) harmonia-store-aterm input_address::tests::hash_derivation_varies
       >         PASS [   3.222s] (2513/2517) harmonia-file-nar archive::restorer::proptests::proptest_restore_dump
       >         PASS [   3.622s] (2514/2517) harmonia-protocol ser::mock::proptests::proptest_mock
       >         PASS [   7.014s] (2515/2517) harmonia-store-gc::integration gc_vacuums_db_after_mass_deletion
       >         PASS [  20.370s] (2516/2517) harmonia-protocol wire_roundtrip::roundtrip_query_missing_result
       >         PASS [  24.552s] (2517/2517) harmonia-cache::retry test_download_retry_over_flaky_connection
       > ────────────
       >      Summary [  24.553s] 2517 tests run: 2516 passed, 1 failed, 0 skipped
       >         FAIL [   0.046s] (2443/2517) harmonia-store-aterm::upstream_drv drv_parse_error::case_1_bad_version
       > error: test run failed
       For full logs, run:
         nix log /nix/store/n804r0gnv177s1lbzvzrhlx4qiz66ily-harmonia-llvm-cov-3.3.0.drv