this derivation will be built:
  /nix/store/dgvpshxwwknyb4nbz5igb15zn69mznkj-harmonia-llvm-cov-3.3.0.drv
error: Cannot build '/nix/store/dgvpshxwwknyb4nbz5igb15zn69mznkj-harmonia-llvm-cov-3.3.0.drv'.
       Reason: builder failed with exit code 100.
       Output paths:
         /nix/store/ifzr5sy64y13wgxjah55qz7wk38qg45z-harmonia-llvm-cov-3.3.0
       Last 25 log lines:
       >         PASS [   1.201s] (2497/2517) harmonia-store-gc::integration gc_scans_roots_despite_unfollowable_indirect_target
       >         PASS [   1.211s] (2498/2517) harmonia-store-gc::integration gc_keeps_transitive_closure
       >         PASS [   1.220s] (2499/2517) harmonia-store-gc::integration gc_keeps_auto_root_with_unreadable_target
       >         PASS [   1.213s] (2500/2517) harmonia-store-gc::integration gc_max_freed_referrer_never_outlives_reference
       >         PASS [   1.294s] (2501/2517) harmonia-store-aterm input_address::tests::fill_outputs_consistent_with_make_output_path
       >         PASS [   1.233s] (2502/2517) harmonia-store-gc::integration gc_deletes_non_utf8_store_entry
       >         PASS [   1.244s] (2503/2517) harmonia-store-gc::integration gc_keeps_ca_deriver_via_deriver_field_not_build_trace
       >         PASS [   1.238s] (2504/2517) harmonia-store-gc::integration gc_keeps_temp_root_not_yet_in_db
       >         PASS [   1.247s] (2505/2517) harmonia-store-gc::integration gc_keep_recent_pins_recently_registered
       >         PASS [   1.277s] (2506/2517) harmonia-store-gc::integration gc_socket_root_mid_gc_keeps_path_and_deletes_rest
       >         PASS [   1.285s] (2507/2517) harmonia-store-gc::integration gc_runtime_roots_validated_against_db
       >         PASS [   1.326s] (2508/2517) harmonia-store-gc::integration gc_deletes_unreferenced_paths
       >         PASS [   1.401s] (2509/2517) harmonia-store-gc::integration gc_cleans_unused_links_only_when_not_dry_run
       >         PASS [   1.560s] (2510/2517) harmonia-store-gc gc_socket::stress_tests::concurrent_clients_never_resurrect_deleted_paths
       >         PASS [   2.395s] (2511/2517) harmonia-file-nar archive::parser::unittests::proptest_parse_stream
       >         PASS [   2.399s] (2512/2517) harmonia-store-aterm input_address::tests::hash_derivation_varies
       >         PASS [   3.465s] (2513/2517) harmonia-file-nar archive::restorer::proptests::proptest_restore_dump
       >         PASS [   3.741s] (2514/2517) harmonia-protocol ser::mock::proptests::proptest_mock
       >         PASS [   9.611s] (2515/2517) harmonia-store-gc::integration gc_vacuums_db_after_mass_deletion
       >         PASS [  19.953s] (2516/2517) harmonia-protocol wire_roundtrip::roundtrip_query_missing_result
       >         PASS [  24.569s] (2517/2517) harmonia-cache::retry test_download_retry_over_flaky_connection
       > ────────────
       >      Summary [  24.571s] 2517 tests run: 2516 passed (48 leaky), 1 failed, 0 skipped
       >         FAIL [   0.040s] (2387/2517) harmonia-store-aterm::upstream_drv drv_parse_error::case_1_bad_version
       > error: test run failed
       For full logs, run:
         nix log /nix/store/dgvpshxwwknyb4nbz5igb15zn69mznkj-harmonia-llvm-cov-3.3.0.drv