this derivation will be built:
  /nix/store/anxcscmvh6wfnggs3lw2sz11lxhafr8l-ssync-0.19.4.drv
error: Cannot build '/nix/store/anxcscmvh6wfnggs3lw2sz11lxhafr8l-ssync-0.19.4.drv'.
       Reason: builder failed with exit code 101.
       Output paths:
         /nix/store/nrda661756yid8nxvm3r133qvbz3gxc4-ssync-0.19.4
       Last 25 log lines:
       > test tests::gc_sweeps_superseded_blob_and_keeps_live_one ... ok
       > test tests::index_maps_key_to_blob_hash ... ok
       > test tests::lan_only_nodes_sync_over_direct_addresses ... ok
       > test tests::load_or_create_secret_key_persists_0600 ... ok
       > test tests::parse_peer_addrs_trims_and_skips_junk ... ok
       > test tests::peer_paths_observe_active_direct_path_once_connected ... ok
       > test tests::peer_paths_report_unconnected_peer_once_as_unknown ... ok
       > test tests::signals_ping_on_remote_insert_and_learn_peer ... ok
       > test tests::spawn_with_relay_binds_and_functions ... ok
       >
       > failures:
       >
       > ---- tests::blob_fetches_missed_download_from_peers stdout ----
       >
       > thread 'tests::blob_fetches_missed_download_from_peers' (21257) panicked at crates/ssync-net/src/lib.rs:955:9:
       > index entry never synced to b
       > note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
       >
       >
       > failures:
       >     tests::blob_fetches_missed_download_from_peers
       >
       > test result: FAILED. 11 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 33.36s
       >
       > error: test failed, to rerun pass `-p ssync-net --lib`
       For full logs, run:
         nix log /nix/store/anxcscmvh6wfnggs3lw2sz11lxhafr8l-ssync-0.19.4.drv