toolkit: panic at register_dust_address.rs:176:40 — fails 'No Rust Panics from all processes except midnight-node-toolkit'

Failing property

No Rust Panics from all processes except midnight-node-toolkit ([Language] Rust) — failing example:

thread 'main' (<NUMBER>) panicked at util/toolkit/src/tx_generator/builder/builders/common/register_dust_address.rs:176:40:

In the Antithesis run of 2026-08-06 the property failed with 0 passing examples and 8 failing examples (failed 3/3); this panic is one of the three distinct failing examples in that group. The same panic also appears in the run of 2026-07-31.

Logs / report

Antithesis report, run of 2026-08-06

Steps to reproduce

Manually dispatch the Antithesis run: https://github.com/antithesishq/poc-shielded/actions/workflows/run_on_antithesis.yml

Context

Found by Antithesis fault-injection testing. Sub-task of shieldedtech/shielded-qa#4.